All The Claims

1. A method of wireless communication, comprising:
generating a data unit comprising one or more first training field sequences;
encoding with an encoder each of the first training field sequences with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of the data unit;

and transmitting, at a transmitter, the data unit over a wireless channel to a receiver that refrains from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
2. The method of claim 1, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
3. The method of claim 1, wherein the pseudo-random spreading code is associated with a single receiver.
4. The method of claim 1, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
5. The method of claim 1, wherein the pseudo-random spreading code is based on an association identifier (AID).
6. A method of wireless communication, comprising:
receiving, at a receiver, at least a portion of a data unit comprising one or more first training field sequences, the one or more first training field sequences encoded with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of a data unit;
determining whether the pseudo-random spreading code is associated with the receiver; and
refraining from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
7. The method of claim 6, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
8. The method of claim 6, wherein the pseudo-random spreading code is associated with a single receiver.
9. The method of claim 6, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
10. The method of claim 6, wherein the pseudo-random spreading code is based on an association identifier (AID).
11. The method of claim 6, wherein said determining comprises cross-correlating each first training field with a reference first training field.
12. The method of claim 6, wherein said refraining comprises transitioning one or more components of the receiver to a low-power state.
13. The method of claim 6, wherein said refraining comprises refraining from decoding one or more of a second training field, a signal (SIG) field, and a data payload.
14. A wireless device comprising:
a receiver configured to receive at least a portion of a data unit comprising one or more first training field sequences, the one or more first training field sequences encoded with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of a data unit; and
a processor configured to:
determine whether the pseudo-random spreading code is associated with the receiver; and
refrain from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
15. The wireless device of claim 14, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
16. The wireless device of claim 14, wherein the pseudo-random spreading code is associated with a single receiver.
17. The wireless device of claim 14, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
18. The wireless device of claim 14, wherein the pseudo-random spreading code is based on an association identifier (AID).
19. The wireless device of claim 14, wherein said determining comprises cross-correlating each first training field with a reference first training field.
20. The wireless device of claim 14, wherein said refraining comprises transitioning one or more components of the receiver to a low-power state.
21. The wireless device of claim 14, wherein said refraining comprises refraining from decoding one or more of a second training field, a signal (SIG) field, and a data payload.
22. An apparatus for wireless communication comprising:
processing means for:
generating a data unit comprising one or more first training field sequences; and
encoding with an encoder each of the first training field sequences with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of the data unit; and
transmitting means for transmitting with a transmitter the data unit over a wireless channel to a receiver means that refrains from decoding with a decoder means a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
23. The apparatus of claim 22, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
24. The apparatus of claim 22, wherein the pseudo-random spreading code is associated with a single receiver.
25. The apparatus of claim 22, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
26. The apparatus of claim 22, wherein the pseudo-random spreading code is based on an association identifier (AID).
27. An apparatus for wireless communication comprising:
receiving means for receiving with a receiver at least a portion of a data unit comprising one or more first training field sequences, the one or more first training field sequences encoded with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of a data unit; and
processing means for:
determining whether the pseudo-random spreading code is associated with the receiver; and
refraining from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
28. The apparatus of claim 27, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
29. The apparatus of claim 27, wherein the pseudo-random spreading code is associated with a single receiver.
30. The apparatus of claim 27, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
31. The apparatus of claim 27, wherein the pseudo-random spreading code is based on an association identifier (AID).
32. The apparatus of claim 27, the processing means further for cross-correlating each first training field with a reference first training field.
33. The apparatus of claim 27, the processing means further for transitioning one or more components of the receiver to a low-power state.
34. The apparatus of claim 27, the processing means further for refraining from decoding one or more of a second training field, a signal (SIG) field, and a data payload.
35. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:
generate a data unit comprising one or more first training field sequences;
encode with an encoder each of the first training field sequences with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of the data unit; and

transmit with a transmitter the data unit over a wireless channel to a receiver that refrains from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the receiver.
36. The medium of claim 35, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
37. The medium of claim 35, wherein the pseudo-random spreading code is associated with a single receiver.
38. The medium of claim 35, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
39. The medium of claim 35, wherein the pseudo-random spreading code is based on an association identifier (AID).
40. A non-transitory computer-readable medium comprising code that, when executed, causes an apparatus to:
receive with a receiver at least a portion of a data unit comprising one or more first training field sequences, the one or more first training field sequences encoded with a pseudo-random spreading code, the pseudo-random spreading code being a function of an addressee of a data unit;
determine whether the pseudo-random spreading code is associated with the apparatus; and
refrain from decoding with a decoder a portion of the data unit when the pseudo-random spreading code is not associated with the apparatus.
41. The medium of claim 40, wherein the pseudo-random spreading code comprises a Hadamard or Walsh code.
42. The medium of claim 40, wherein the pseudo-random spreading code is associated with a single receiver.
43. The medium of claim 40, wherein the pseudo-random spreading code is associated with a group of receivers comprising the addressee.
44. The medium of claim 40, wherein the pseudo-random spreading code is based on an association identifier (AID).
45. The medium of claim 40, further comprising code that, when executed, causes the apparatus to cross-correlate each first training field with a reference first training field.
46. The medium of claim 40, further comprising code that, when executed, causes the apparatus to transition one or more components of the apparatus to a low-power state.
47. The medium of claim 40, wherein said refraining comprises refraining from decoding one or more of a second training field, a signal (SIG) field, and a data payload.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. An organic light emitting diode display comprising:
a substrate member;
an organic light emitting element formed on the substrate member;
a phase retardation plate formed on the organic light emitting element; and
a selective reflective layer formed on the phase retardation plate, wherein the selective reflective layer selectively passes some of light therethrough and reflects the rest.
2. The organic light emitting diode display of claim 1, wherein
the selective reflective layer passes light that is parallel to a polarization axis and reflects light that is not parallel to the polarization axis, wherein light from outside that passes through the selective reflective layer is linearly polarized.
3. The organic light emitting diode display of claim 2, wherein
the phase retardation plate comprises an optical axis, wherein an intersection angle between optical axis and the polarization axis of the selective reflective layer is from about 40 to about 50 degrees.
4. The organic light emitting diode display of claim 3, wherein the phase retardation plate circularly polarizes light that is linearly polarized or linearly polarizes light that is circularly polarized, wherein the circularly polarized light is either one of left circular polarized light or right circular polarized light.
5. The organic light emitting diode display of claim 4, wherein the organic light emitting element reflects light incident thereon and reverses direction of circular polarization of light reflecting thereof.
6. The organic light emitting diode display of claim 2, further comprising
a polarizing plate disposed between the selective reflective layer and the phase retardation plate,
wherein the polarizing plate has a polarization axis in the same direction as the polarization axis of the selective reflective layer.
7. The organic light emitting diode display of claim 6, further comprising
a second selective reflective layer disposed between the polarizing plate and the phase retardation plate,
wherein the second selective reflective layer has a polarization axis in the same direction as the polarization axis of the selective reflective layer and the polarizing plate.
8. The organic light emitting diode display of claim 6, further comprising
a cholesteric liquid crystal (CLC) layer disposed between the phase retardation plate and the organic light emitting element.
9. The organic light emitting diode display of claim 8, wherein
the cholesteric liquid crystal layer passes either one of left circular polarized light or right circular polarized light and reflects the other.
10. The organic light emitting diode display of claim 9, wherein
the cholesteric liquid crystal layer is arranged such that light that is circular polarized through the polarizing plate and the phase retardation plate in sequence can pass the cholesteric liquid crystal layer.
11. The organic light emitting diode display of claim 1, wherein
the selective reflective layer has an effect of a mirror by reflecting light from outside when the organic light emitting element does not emit light.
12. The organic light emitting diode display of claim 1, wherein light emitted from the organic light emitting element includes various phases of light.
13. The organic light emitting diode display of claim 1, wherein the selective reflective layer comprises a dual brightness enhancement film (DBEF).
14. The organic light emitting diode display of claim 1, wherein the phase retardation plate comprises a 14 wavelength plate.
15. The organic light emitting diode display of claim 1, further comprising a cover substrate configured to bond with the substrate member via a sealant and enclose a space therein.
16. The organic light emitting diode display of claim 15, wherein the organic light emitting element and the phase retardation plate are enclosed within the space.
17. The organic light emitting diode display of claim 15, wherein the selective reflective layer is enclosed within the space.

1. A printer for printing time-based media, the printer comprising:
a communication interface for receiving time-based media data from a media source;
a processor for performing a multimedia function on the time-based media data to obtain an electronic image and associated print data;
a user interface, communicatively coupled to the processor, including:
a display, for providing data to a user;
an input device, for receiving data from the user;

a first output device for receiving the associated print data from the processor and producing output on a printer; and
a second output device coupled to the processor for receiving the electronic image and producing an electronic output from the image.
2. The printer of claim 1 wherein the multimedia function includes selecting a range of audio data in response to received input from the user.
3. The printer of claim 1 wherein the multimedia function includes applying audio event detection to the time-based media data.
4. The printer of claim 3 wherein the multimedia function further includes determining a confidence level associated with the audio event detection.
5. The printer of claim 1 wherein the multimedia function includes applying a speaker segmentation function to the time-based media data.
6. The printer of claim 1 or 5 wherein the multimedia function includes applying a speaker recognition function to the time-based media data.
7. The printer of claim 1 wherein the multimedia function includes applying a sound source localization function to the time-based media data.
8. The printer of claim 7 wherein the multimedia function further includes applying audio event detection to the time-based media data.
9. The printer of claim 1 wherein the multimedia function includes applying a speech recognition function to the time-based media data.
10. The printer of claim 9 wherein the multimedia function includes applying a profile analysis function to the time-based media data.
11. The printer of claim 9 wherein the multimedia function includes applying an audio event detection function to the time-based media data.
12. The printer of claim 11 wherein the multimedia function further includes applying a speaker recognition function to the time-based media data.
13. The printer of claim 11 wherein the multimedia function further includes applying a speaker segmentation function to the time-based media data.
14. The printer of claim 11 wherein the multimedia function further includes applying a sound localization function to the time-based media data.
15. The printer of claim 1 wherein the multimedia function includes selecting a range of video data in response to received input from the user.
16. The printer of claim 1 wherein the multimedia function includes applying a video event detection function to the time-based media data.
17. The printer of claim 1 wherein the multimedia function includes applying a color histogram analysis function to the time-based media data.
18. The printer of claim 1 wherein the multimedia function includes applying a face detection function to the time-based media data.
19. The printer of claim 18 wherein the multimedia function includes applying a clustering function to the time-based media data to merge multiple instances of a face into a representative face image.
20. The printer of claim 1 wherein the multimedia function includes applying a face recognition function to the time-based media data.
21. The printer of claim 1 wherein the multimedia function includes applying an optical character recognition function to the time-based media data.
22. The printer of claim 21 wherein the multimedia function further includes applying a clustering function to the time-based media data to merge similar results of the optical character recognition.
23. The printer of claim 1 wherein the multimedia function includes applying a motion analysis function to the time-based media data.
24. The printer of claim 1 or claim 23 wherein the multimedia function includes applying a distance estimation function to the time-based media data.
25. The printer of claim 1 wherein the multimedia function includes applying foregroundbackground segmentation function to the time-based media data.
26. The printer of claim 1 wherein the multimedia function includes applying a scene segmentation function to the time-based media data.
27. The printer of claim 26 wherein the multimedia function further includes applying a face recognition recognition function to the time-based media data.
28. The printer of claim 26 wherein the multimedia function further includes applying a face detection function to the time-based media data.
29. The printer of claim 26 wherein the multimedia function includes applying an optical character recognition function to the time-based media data.
30. The printer of claim 29 wherein the multimedia function further includes applying a face recognition function to the time-based media data.
31. The printer of claim 29 wherein the multimedia function includes applying a face detection function to the time-based media data.
32. The printer of claim 1 wherein the multimedia function includes applying an automobile recognition function to the time-based media data.
33. The printer of claim 32 wherein the multimedia function further includes applying a motion analysis function to the time-based media data.
34. The printer of claim 1 wherein the multimedia function includes applying a license plate recognition function to the time-based media data.
35. The system of claim 1 wherein the multimedia function includes applying a visual inspection function to the time-based media data.
36. The printer of claim 1 wherein the user interface is configured to allow a user to control a compact disc (CD) device.
37. The printer of claim 1 wherein the user interface is configured to allow a user to control a digital video disc (DVD) device.
38. The printer of claim 1 wherein the user interface is configured to allow a user to control an audio tape device.
39. The printer of claim 1 wherein the user interface is configured to allow a user to control a video tape device.
40. The printer of claim 1 wherein the user interface is configured to allow a user to control a multimedia server.
41. The printer of claim 1 wherein the user interface is configured to allow a user to control encryption hardware.
42. The printer of claim 1 wherein the user interface is configured to allow a user to control audio sound localization hardware.
43. The printer of claim 1 wherein the user interface is configured to allow a user to control motion detection hardware.
44. The printer of claim 1 wherein the user interface is configured to allow a user to control a MIDI player.
45. The printer of claim 1 wherein the user interface is configured to allow a user to control a cellular telephone.
46. The printer of claim 1 wherein the user interface is configured to allow a user to control a two-way radio.
47. The printer of claim 1 wherein the user interface is configured to allow a user to control a world wide web display.
48. The printer of claim 1 wherein the user interface is configured to allow a user to control a climate sensor.
49. The printer of claim 1 wherein the user interface is configured to allow a user to control a radio receiver.
50. The printer of claim 1 wherein the processor is further configured to display results of the multimedia function on the display of the user interface.
51. The printer of claim 1 wherein the second output device is a DVD drive.
52. The printer of claim 1 wherein the second output device is a CD drive.
53. The printer of claim 1 wherein the second output device is an audio tape drive.
54. The printer of claim 1 wherein the second output device is a video cassette device.
55. The printer of claim 1 wherein the second output device is a removable media device.
56. The printer of claim 1 wherein the second output device is an embedded audio recorder.
57. The printer of claim 1 wherein the second output device is an embedded video recorder.
58. The printer of claim 1 wherein the second output device is a non-volatile storage device.
59. The printer of claim 1 wherein the second output device is an embedded multimedia server.
60. The printer of claim 1 wherein the second output device is audio encryption hardware.
61. The printer of claim 1 wherein the second output device is video encryption hardware.
62. The printer of claim 1 wherein the second output device is audio sound localization hardware.
63. The printer of claim 1 wherein the second output device is a cellular telephone.
64. The printer of claim 1 wherein the second output device is a two-way radio.
65. The printer of claim 1 wherein the second output device is a world-wide web display.
66. The printer of claim 1 wherein the second output device is a radio receiver for receiving AM signals.
67. The printer of claim 1 wherein the second output device is a radio receiver for receiving FM signals.
68. The printer of claim 1 wherein the second output device is a radio receiver for receiving short wave signals.
69. The printer of claim 1 wherein the second output device is a satellite radio receiver.
70. The printer of claim 1 wherein the second output device is a weather alert receiver.
71. The printer of claim 1 wherein the second output device is an emergency alert monitor for receiving emergency broadcast system alerts.
72. The printer of claim 1 wherein the second output device is hardware for performing VGA screen captures.
73. The printer of claim 1 wherein the second output device is hardware for performing audio capture.
74. The printer of claim 1 wherein the second output device is hardware for capturing data from an electronic pen.
75. The printer of claim 1 wherein the second output device is a disposable media writer.
76. The printer of claim 1 wherein the second output device is a flash memory device.
77. The printer of claim 1 wherein the second output device is a wireless device.
78. A method for printing time-based media, the method comprising:
receiving time-based media data from a media source;
receiving user input, the user input specifying a multimedia function to perform on the time-based media;
performing the specified multimedia function on the time-based media data to obtain an electronic image and associated print data;
producing output on a printer from the associated print data from the processor and; and
producing an electronic output from the electronic image.
79. The method of claim 78 wherein the multimedia function includes selecting a range of audio data in response to received input from the user.
80. The method of claim 1 wherein the multimedia function includes applying audio event detection to the time-based media data.
81. The method of claim 80 wherein the multimedia function further includes determining a confidence level associated with the audio event detection.
82. The method of claim 78 wherein the multimedia function includes applying a speaker segmentation function to the time-based media data.
83. The method of claim 78 or 82 wherein the multimedia function includes applying a speaker recognition function to the time-based media data.
84. The method of claim 78 wherein the multimedia function includes applying a sound source localization function to the time-based media data.
85. The method of claim 84 wherein the multimedia function further includes applying audio event detection to the time-based media data.
86. The method of claim 78 wherein the multimedia function includes applying a speech recognition function to the time-based media data.
87. The method of claim 86 wherein the multimedia function includes applying a profile analysis function to the time-based media data.
88. The method of claim 86 wherein the multimedia function includes applying an audio event detection function to the time-based media data.
89. The method of claim 88 wherein the multimedia function further includes applying a speaker recognition function to the time-based media data.
90. The method of claim 88 wherein the multimedia function further includes applying a speaker segmentation function to the time-based media data.
91. The method of claim 88 wherein the multimedia function further includes applying a sound localization function to the time-based media data.
92. The method of claim 78 wherein the multimedia function includes selecting a range of video data in response to received input from the user.
93. The method of claim 78 wherein the multimedia function includes applying a video event detection function to the time-based media data.
94. The method of claim 78 wherein the multimedia function includes applying a color histogram analysis function to the time-based media data.
95. The method of claim 78 wherein the multimedia function includes applying a face detection function to the time-based media data.
96. The method of claim 95 wherein the multimedia function includes applying a clustering function to the time-based media data to merge multiple instances of a face into a representative face image.
97. The method of claim 78 wherein the multimedia function includes
applying a face recognition function to the time-based media data.
98. The method of claim 78 wherein the multimedia function includes applying an optical character recognition function to the time-based media data.
99. The method of claim 98 wherein the multimedia function further includes applying a clustering function to the time-based media data to merge similar results of the optical character recognition.
100. The method of claim 78 wherein the multimedia function includes applying a motion analysis function to the time-based media data.
101. The method of claim 78 or claim 100 wherein the multimedia function includes applying a distance estimation function to the time-based media data.
102. The method of claim 78 wherein the multimedia function includes applying foregroundbackground segmentation function to the time-based media data.
103. The method of claim 78 wherein the multimedia function includes applying a scene segmentation function to the time-based media data.
104. The method of claim 103 wherein the multimedia function further includes applying a face recognition recognition function to the time-based media data.
105. The method of claim 103 wherein the multimedia function further includes applying a face detection function to the time-based media data.
106. The method of claim 103 wherein the multimedia function includes applying an optical character recognition function to the time-based media data.
107. The method of claim 106 wherein the multimedia function further includes applying a face recognition function to the time-based media data.
108. The method of claim 106 wherein the multimedia function includes applying a face detection function to the time-based media data.
109. The method of claim 78 wherein the multimedia function includes applying an automobile recognition function to the time-based media data.
110. The method of claim 109 wherein the multimedia function further includes applying a motion analysis function to the time-based media data.
111. The method of claim 78 wherein the multimedia function includes applying a license plate recognition function to the time-based media data.
112. The method of claim 78 wherein the multimedia function includes applying a visual inspection function to the time-based media data.

The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.

1. A communication apparatus which is connected to an electronic device operating with a commercial power supply and which bidirectionally wirelessly communicates with another communication apparatus, the communication apparatus, comprising:
receiving means for receiving data;
period detecting means for detecting a period of the commercial power supply; and
transmitting means for transmitting both a timing signal which represents the period of the commercial power supply detected by the period detecting means and acknowledge.
2. The communication apparatus as set forth in claim 1,
wherein the receiving means receives remote control data with which the electronic device is controlled.
3. A communication apparatus which bidirectionally wirelessly communicates with another communication apparatus connected to an electronic device which operates with a commercial power supply, the communication apparatus comprising:
detecting means for detecting an influence of interference waves;
receiving means for receiving acknowledge from the other communication apparatus; and
transmitting means for transmitting data and a request such that the receiving means receives acknowledge for the transmitted data at timing of which the influence of interference waves is low based on a timing signal which represents a period of the commercial power supply and a detection signal of the detecting means.
4. The communication apparatus as set forth in claim 3,
wherein the receiving means receives the timing signal which represents the period of the commercial power supply from the other communication apparatus.
5. The communication apparatus as set forth in claim 3, further comprising:
a detecting device which detects the timing signal which represents the period of the commercial power supply.
6. The communication apparatus as set forth in claim 3, further comprising:
an input section,
wherein the transmitting means transmits remote control data with which the electronic device is remotely controlled, the remote control data corresponding to a command which is input from the input section.
7. A communication system composed of a first communication apparatus connected to an electronic device which operates with a commercial power supply and a second communication apparatus which bidirectionally wirelessly communicates with the first communication apparatus,
wherein the first communication apparatus comprises:
receiving means for receiving data from the second communication apparatus;
period detecting means for detecting a period of the commercial power supply; and
transmitting means for transmitting a timing signal which represents a period of the commercial power supply detected by the period detecting means and acknowledge for the data which have been received, and wherein the second communication apparatus comprises:
detecting means for detecting an influence of interference waves;
receiving means for receiving the timing signal which represents the period of the commercial power supply and the acknowledge from the first communication apparatus; and
transmitting means for transmitting data and a request such that the receiving means receives the acknowledge for the transmitted data at timing of which the influence of interference waves is low based on the timing signal and a detection signal of the detecting means.
8. The communication system as set forth in claim 7,
wherein the first communication apparatus receives remote control data with which the electronic device is remotely controlled.
9. The communication system as set forth in claim 7,
wherein the second communication apparatus further comprises an input section which inputs a command with which the electronic device is remotely controlled, and
wherein the transmitting means transmits remote control data corresponding to the command which has been input from the input section.
10. A communication system composed of a first communication apparatus connected to an electronic device which operates with a commercial power supply and a second communication apparatus which bidirectionally wirelessly communicates with the first communication apparatus,
wherein the first communication apparatus comprises:
receiving means for receiving data from the second communication apparatus;
period detecting means for detecting a period of the commercial power supply; and
transmitting means for transmitting a beacon signal at timing corresponding to a period of the commercial power supply detected by the period detecting means and acknowledge for the data which have been received, and
wherein the second communication apparatus comprises:
detecting means for detecting an influence of interference waves;
receiving means for receiving the beacon signal and the acknowledge from the first communication apparatus;
time information storing means for storing time information corresponding to the received beacon signal; and
transmitting means for transmitting data and a request such that the receiving means receives the acknowledge for the transmitted data at timing of which the influence of interference waves is low based on the time information which has been stored and a detection signal of the detecting means.
11. The communication system as set forth in claim 10,
wherein the first communication apparatus receives remote control data with which the electronic device is remotely controlled.
12. The communication system as set forth in claim 10,
wherein the second communication apparatus further comprises an input section which inputs a command with which the electronic device is remotely controlled, and
wherein the transmitting means transmits remote control data corresponding to the command which has been input from the input section.
13. A communication system composed of a first communication apparatus connected to an electronic device which operates with a commercial power supply and a second communication apparatus which bidirectionally wirelessly communicates with the first communication apparatus, the first communication apparatus and the second communication apparatus communicating with each other through one of a plurality of channels whose frequencies are different,
wherein the first communication apparatus comprises:
receiving means for receiving data from the second communication apparatus;
detecting means for detecting an influence of interference waves; and
transmitting means for transmitting acknowledge for the data which have been received, and
wherein the second communication apparatus comprises:
transmitting means for transmitting a channel acknowledge request to the first communication apparatus through a channel which has been assigned; and
channel assigning means for assigning a channel which interference waves do not largely influence detected by the detecting means such that the second transmitting means transmits data through the channel which has been assigned by determining whether or not acknowledge has been received through the channel which has been assigned.
14. The communication system as set forth in claim 13,
wherein the first communication apparatus receives remote control data with which the electronic device is remotely controlled.
15. The communication system as set forth in claim 13,
wherein the second communication apparatus further comprises an input section which inputs a command with which the electronic device is remotely controlled, and
wherein the transmitting means transmits remote control data corresponding to the command which has been input from the input section.
16. A communication system composed of a first communication apparatus connected to an electronic device which operates with a commercial power supply and a second communication apparatus which bidirectionally wirelessly communicates with the first communication apparatus, the first communication apparatus and the second communication apparatus communicating with each other through one of a plurality of channels whose frequencies are different,
wherein the first communication apparatus comprises:
receiving means for receiving data from the second communication apparatus;
first detecting means for detecting an influence of interference waves; and
transmitting means for transmitting acknowledge for the data which have been received, and
wherein the second communication apparatus comprises:
second detecting means for detecting an influence of interference waves;
transmitting means for transmitting data to the first communication apparatus through a channel which interference waves do not largely influence detected by the first detecting means; and
receiving means for receiving the acknowledge from the second communication apparatus through the channel which interference waves do not largely influence detected by the second detecting means.
17. The communication system as set forth in claim 16,
wherein the first communication apparatus receives remote control data with which the electronic device is remotely controlled.
18. The communication system as set forth in claim 16,
wherein the second communication apparatus further comprises an input section which inputs a command with which the electronic device is remotely controlled, and
wherein the transmitting means transmits remote control data corresponding to the command which has been input from the input section.
19. The communication system as set forth in claim 16,
wherein when the second detecting means has detected which interference wave largely influence a channel through which the data are transmitted, the first communication apparatus requests the second communication apparatus to communicate through another channel which interference waves do not largely influence detected by the second detecting means and receives the acknowledge from the second communication apparatus through the other channel.