1. A waveguide busbar configured to convert a plurality of high-frequency input signals into a high-frequency output signal, the waveguide busbar comprising:
a waveguide;
a plurality of input ports, which are arranged along the waveguide, such that each input port is configured to receive a high-frequency input signal;
an output port on the waveguide configured to deliver the high-frequency output signal;
a parallel resonator connected to the waveguide busbar between two input ports;
wherein the parallel resonator is configured with a mechanically adjustable volume with which a phase relation of the waveguide between the two input ports is adjustable.
2. The waveguide busbar according to claim 1, wherein the parallel resonator comprises an actuator configured to alter the volume of the parallel resonator.
3. The waveguide busbar according to claim 2, wherein the actuator comprises a thermomechanical actuator.
4. The waveguide busbar according to claim 3, wherein the thermomechanical actuator is configured to change the volume of the parallel resonator so that a change in the phase relation of the waveguide because of expansion of the waveguide due to a change in temperature is reduced by the parallel resonator.
5. The waveguide busbar according to claim 2, wherein the actuator comprises an electromechanical actuator.
6. The waveguide busbar according to claim 5, further comprising:
an electronic controller, which is configured to control to the electromechanical actuator, such that a change in the phase relation of the waveguide because of an expansion of the waveguide due to a change in temperature is reduced by the parallel resonator.
7. The waveguide busbar according to claim 1, wherein the parallel resonator has a resonant volume of a variable length.
8. The waveguide busbar according to claim 1, wherein the parallel resonator comprises a movable slide element in a hollow space.
9. The waveguide busbar according to claim 1, further comprising:
a plurality of parallel resonators.
10. The waveguide busbar according to claim 9, wherein at least one of the plurality of parallel resonators is connected to the waveguide between two neighboring input ports.
11. The waveguide busbar according to claim 9, wherein at least two parallel resonators are connected to the waveguide between two neighboring input ports.
12. The waveguide busbar according to claim 1, further comprising:
a plurality of connecting pieces, which are connected to the input ports; wherein phase lengths of waveguide sections between the two input ports and phase lengths of the connecting pieces are set for predefined frequencies of the high-frequency output signals.
13. The waveguide busbar according to claim 1, wherein a resonant range of the parallel resonator is set for a pass band of the waveguide busbar.
14. An output multiplexer, comprising:
a waveguide busbar configured to convert a plurality of high-frequency input signals into a high-frequency output signal, the waveguide busbar comprising a waveguide;
a plurality of input ports, which are arranged along the waveguide, such that each input port is configured to receive a high-frequency input signal;
an output port on the waveguide configured to deliver the high-frequency output signal;
a parallel resonator connected to the waveguide busbar between two input ports;
wherein the parallel resonator is configured with a mechanically adjustable volume with which a phase relation of the waveguide between the two input ports is adjustable;
a plurality of channel filters which are connected to the input ports of the waveguide busbar.
15. A communication satellite, comprising:
an output multiplexer, comprising
a waveguide busbar configured to convert a plurality of high-frequency input signals into a high-frequency output signal, the waveguide busbar comprising a waveguide;
a plurality of input ports, which are arranged along the waveguide, such that each input port is configured to receive a high-frequency input signal;
an output port on the waveguide configured to deliver the high-frequency output signal;
a parallel resonator connected to the waveguide busbar between two input ports;
wherein the parallel resonator is configured with a mechanically adjustable volume with which a phase relation of the waveguide between the two input ports is adjustable;
a plurality of channel filters which are connected to the input ports of the waveguide busbar.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A method for displaying a targeted advertisement to a viewer of a display in conjunction with displaying a broadcast stream on the display, the method comprising:
a. selecting a broadcast stream;
b. displaying the selected broadcast stream on the display;
c. receiving a first signal from a viewer control interface indicating a viewer reaction to the selected broadcast stream;
d. defining a viewer profile of the viewer of the display based on the viewer reaction to the selected broadcast stream;
e. selecting a first advertisement from a plurality of stored advertisements based on the viewer profile of the viewer of the display; and
f. displaying the first advertisement on the display.
2. The method of claim 1, further comprising:
g. updating the viewer profile based on a second signal received from the viewer control interface;
h. selecting a second advertisement from plurality of stored advertisements based on the updated viewer profile; and
i. displaying the second advertisement on the display.
3. The method of claim 2, further comprising transmitting the updated viewer profile to a head end.
4. The method of claim 2, wherein step (g) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer reaction to the first advertisement; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer reaction to the first advertisement.
5. The method of claim 2, wherein step (g) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer purchase of a goodservice; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer purchase of the goodservice.
6. The method of claim 2, wherein step (g) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer reaction to the selected broadcast stream; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer reaction to the selected broadcast stream.
7. The method of claim 2, wherein step (g) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer program search; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer program search.
8. The method of claim 2, wherein steps (h)-(i) are repeated until a third signal received from the viewer control interface indicates a positive viewer reaction or until a predetermined period of time has elapsed.
9. The method of claim 1, further comprising transmitting the viewer profile to a head end.
10. The method of claim 1, wherein step (e) comprises:
i. displaying an identification of at least one of the stored advertisements including the first advertisement on the display; and
ii. receiving a second signal from the viewer control interface selecting the first advertisement to be displayed on the display.
11. The method of claim 10, wherein step (e)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via a menu on the display.
12. The method of claim 10, wherein step (e)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via a banner on the display.
13. The method of claim 10, wherein step (e)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via an icon on the display.
14. The method of claim 1, wherein step (f) comprises displaying the first advertisement on the display immediately prior to displaying a second broadcast stream on the display.
15. The method of claim 1, wherein step (f) comprises displaying the first advertisement on the display in a time slot adjacent to a time slot for displaying regularly scheduled advertisements within the broadcast stream.
16. The method of claim 1, wherein step (f) comprises displaying the first advertisement instead of displaying a regularly scheduled advertisement within the broadcast stream.
17. The method of claim 1, wherein the broadcast stream is a television broadcast stream.
18. The method of claim 1, wherein the broadcast stream is a cable broadcast stream.
19. The method of claim 1, wherein the broadcast stream is a satellite broadcast stream.
20. The method of claim 1, wherein the broadcast stream is an Internet broadcast stream.
21. The method of claim 1, wherein step (d) comprises defining a viewer profile of a plurality of viewers of the display based on a plurality of signals received by a controller indicating usage of a viewer control interface by the plurality of viewers, and step (e) comprises:
i. determining an individual viewer profile for a viewer viewing the display at a current time; and
ii. selecting the first advertisement from the stored advertisements based on the individual viewer profile of the viewer of the display at the current time.
22. The method of claim 21, wherein in step (e)(ii) comprises selecting the first advertisement from the stored advertisements based on the individual viewer profile of the viewer of the display at the current time and based on content of the selected broadcast stream.
23. The method of claim 1, wherein in step (e) comprises selecting the first advertisement from the stored advertisements based on the viewer profile and based on content of the selected broadcast stream.
24. The method of claim 1, further comprising storing the plurality of advertisements on a hard disk drive.
25. A method for displaying a targeted advertisement to a viewer of a display in conjunction with displaying a broadcast stream on the display, the method comprising:
a. selecting a broadcast stream;
b. displaying the selected broadcast stream on the display;
c. displaying at least one advertisement on the display;
d. receiving a first signal from a viewer control interface indicating a viewer reaction to the at least one advertisement;
e. defining a viewer profile of the viewer of the display based on the viewer reaction to the at least one advertisement;
f. selecting a first targeted advertisement from a plurality of stored advertisements based on the viewer profile; and
g. displaying the first targeted advertisement on the display.
26. The method of claim 25, further comprising:
h. updating the viewer profile based on a second signal received from the viewer control interface;
i. selecting a second advertisement from plurality of stored advertisements based on the updated viewer profile; and
j. displaying the second advertisement on the display.
27. The method of claim 26, further comprising transmitting the updated viewer profile to a head end.
28. The method of claim 26, wherein step (h) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer reaction to the first advertisement; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer reaction to the first advertisement.
29. The method of claim 26, wherein step (h) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer purchase of a goodservice; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer purchase of the goodservice.
30. The method of claim 26, wherein step (h) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer reaction to the selected broadcast stream; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer reaction to the selected broadcast stream.
31. The method of claim 26, wherein step (h) comprises:
i. receiving a second signal from the viewer control interface indicating a viewer program search; and
ii. updating the viewer profile based on the second signal received from the viewer control interface indicating the viewer program search.
32. The method of claim 26, wherein steps (i)-(j) are repeated until a third signal received from the viewer control interface indicates a positive viewer reaction or until a predetermined period of time has elapsed.
33. The method of claim 25, further comprising transmitting the viewer profile to a head end.
34. The method of claim 25, wherein step (f) comprises:
i. displaying an identification of at least one of the stored advertisements including the first advertisement on the display; and
ii. receiving a second signal from the viewer control interface selecting the first advertisement to be displayed on the display.
35. The method of claim 34, wherein step (f)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via a menu on the display.
36. The method of claim 34, wherein step (f)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via a banner on the display.
37. The method of claim 34, wherein step (f)(i) comprises displaying an identification of at least one of the stored advertisements including the first advertisement via an icon on the display.
38. The method of claim 25, wherein step (g) comprises displaying the first advertisement on the display immediately prior to displaying a second broadcast stream on the display.
39. The method of claim 25, wherein step (g) comprises displaying the first advertisement on the display in a time slot adjacent to a time slot for displaying regularly scheduled advertisements within the broadcast stream.
40. The method of claim 25, wherein step (g) comprises displaying the first advertisement instead of displaying a regularly scheduled advertisement within the broadcast stream.
41. The method of claim 25, wherein the broadcast stream is a television broadcast stream.
42. The method of claim 25, wherein the broadcast stream is a cable broadcast stream.
43. The method of claim 25, wherein the broadcast stream is a satellite broadcast stream.
44. The method of claim 25, wherein the broadcast stream is an Internet broadcast stream.
45. The method of claim 25, wherein step (e) comprises defining a viewer profile of a plurality of viewers of the display based on a plurality of signals received by a controller indicating usage of a viewer control interface by the plurality of viewers, and step (f) comprises:
i. determining an individual viewer profile for a viewer viewing the display at a current time; and
ii. selecting the first advertisement from the stored advertisements based on the individual viewer profile of the viewer of the display at the current time.
46. The method of claim 45, wherein in step (f)(ii) comprises selecting the first advertisement from the stored advertisements based on the individual viewer profile of the viewer of the display at the current time and based on content of the selected broadcast stream.
47. The method of claim 25, wherein in step (f) comprises selecting the first advertisement from the stored advertisements based on the viewer profile and based on content of the selected broadcast stream.
48. The method of claim 25, further comprising storing the plurality of advertisements on a hard disk drive.
49. A personal video recorder for sending a targeted advertisement to a display for viewing by a viewer in conjunction with viewing a broadcast stream on the display, the personal video recorder comprising:
a viewer control interface configured to allow the viewer to interact with the broadcast stream being displayed on the display;
a storage device for storing a plurality of advertisements; and
a controller responsive to the viewer control interface and connectable to the display, the controller configured to receive signals indicating a reaction to the broadcast stream from the viewer control interface, to define a viewer profile of the viewer of the display based on the signals received from the viewer control interface, to select a first advertisement from the plurality of stored advertisements based on the viewer profile, and to send the first advertisement to the display.
50. The personal video recorder of claim 49, wherein the storage device is a hard disk drive.
51. The personal video recorder of claim 49, further comprising a remote interface in communication with the controller, the remote interface configured to transmit the viewer profile to a head end.
52. The personal video recorder of claim 49, wherein the controller is further configured to update the viewer profile based on the signals received from the viewer control interface, to select a second advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second advertisement to the display.
53. The personal video recorder of claim 49, wherein the controller is further configured to receive signals indicating a viewer reaction to the first advertisement from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer reaction to the first advertisement, to select a second advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second advertisement to the display.
54. The personal video recorder of claim 49, wherein the controller is further configured to receive signals indicating a viewer purchase of a goodservice from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer purchase of the goodservice, to select a second advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second advertisement to the display.
55. The personal video recorder of claim 49, wherein the controller is further configured to receive signals indicating a viewer search request from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer search request, to select a second advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second advertisement to the display.
56. The personal video recorder of claim 49, wherein the controller displays the first advertisement on the display immediately prior to displaying a second broadcast stream on the display.
57. The personal video recorder of claim 49, wherein the controller displays the first advertisement on the display in a time slot adjacent to a time slot for displaying regularly scheduled advertisements within the broadcast stream.
58. The personal video recorder of claim 49, wherein the controller displays the first advertisement instead of displaying a regularly scheduled advertisement within the broadcast stream.
59. The personal video recorder of claim 49, wherein the controller displays the first advertisement upon request by the viewer.
60. The personal video recorder of claim 49, wherein the broadcast stream is a television broadcast stream.
61. The personal video recorder of claim 49, wherein the broadcast stream is a cable broadcast stream.
62. The personal video recorder of claim 49, wherein the broadcast stream is a satellite broadcast stream.
63. The personal video recorder of claim 49, wherein the broadcast stream is an Internet broadcast stream.
64. A personal video recorder for sending a targeted advertisement to a display for viewing by a viewer in conjunction with viewing a broadcast stream on the display, the personal video recorder comprising:
a viewer control interface configured to allow the viewer to interact with the broadcast stream being displayed on the display;
a storage device for storing a plurality of advertisements; and
a controller responsive to the viewer control interface and connectable to the display, the controller configured to receive signals indicating a reaction to at least one advertisement displayed on the display from the viewer control interface, to define a viewer profile of the viewer of the display based on the signals received from the viewer control interface, to select the first targeted advertisement based on the viewer profile, and to send the first targeted advertisement to the display.
65. The personal video recorder of claim 64, wherein the storage device is a hard disk drive.
66. The personal video recorder of claim 64, further comprising a remote interface in communication with the controller, the remote interface configured to transmit the viewer profile to a head end.
67. The personal video recorder of claim 64, wherein the controller is further configured to update the viewer profile based on the signals received from the viewer control interface, to select a second targeted advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second targeted advertisement to the display.
68. The personal video recorder of claim 64, wherein the controller is further configured to receive signals indicating a viewer reaction to the first targeted advertisement from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer reaction to the first targeted advertisement, to select a second targeted advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second targeted advertisement to the display.
69. The personal video recorder of claim 64, wherein the controller is further configured to receive signals indicating a viewer purchase of a goodservice from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer purchase of the goodservice, to select a second targeted advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second targeted advertisement to the display.
70. The personal video recorder of claim 64, wherein the controller is further configured to receive signals indicating a viewer search request from the viewer control interface, to update the viewer profile based on the signals received from the viewer control interface indicating the viewer search request, to select a second targeted advertisement from the plurality of stored advertisements based on the updated viewer profile, and to send the second targeted advertisement to the display.
71. The personal video recorder of claim 64, wherein the controller displays the first targeted advertisement on the display immediately prior to displaying a second broadcast stream on the display.
72. The personal video recorder of claim 64, wherein the controller displays the first targeted advertisement on the display in a time slot adjacent to a time slot for displaying regularly scheduled advertisements within the broadcast stream.
73. The personal video recorder of claim 64, wherein the controller displays the first targeted advertisement instead of displaying a regularly scheduled advertisement within the broadcast stream.
74. The personal video recorder of claim 64, wherein the controller displays the first targeted advertisement upon request by the viewer.
75. The personal video recorder of claim 64, wherein the broadcast stream is a television broadcast stream.
76. The personal video recorder of claim 64, wherein the broadcast stream is a cable broadcast stream.
77. The personal video recorder of claim 64, wherein the broadcast stream is a satellite broadcast stream.
78. The personal video recorder of claim 64, wherein the broadcast stream is an Internet broadcast stream.