1. A mounting bracket for an image sensing unit of a scanner, the mounting bracket comprising:
a first portion having a plurality of elongated holes therein each for receiving a fastener to mount the mounting bracket to a scan head frame;
a second portion extending from the first portion having a cutout section therein for allowing an image sensor of the image sensing unit to receive an image from an optical unit of the scanner;
a pivot hole in the first portion centered about a width of the cutout section;
wherein when the mounting bracket is mounted on the scan head frame, the elongated holes in the first portion permit linear adjustment of the mounting bracket relative to the scan head frame and the pivot hole in the first portion permits angular adjustment of the mounting bracket relative to the scan head frame for optically adjusting the image sensing unit.
2. The mounting bracket of claim 1, wherein the second portion includes a plurality of holes therein each for receiving a fastener to mount the image sensing unit to the second portion of the mounting bracket.
3. The mounting bracket of claim 2, wherein the second portion includes a plurality of rib portions each having one of the plurality of holes in the second portion therein.
4. The mounting bracket of claim 2, wherein the plurality of holes in the second portion includes a first hole adjacent to a first end of the cutout section and a second hole adjacent to a second end of the cutout section opposite the first end.
5. The mounting bracket of claim 4, wherein the plurality of holes in the second portion further includes a third hole disposed at a distal end of the mounting bracket.
6. The mounting bracket of claim 1, wherein the plurality of elongated holes in the first portion includes a first elongated hole adjacent to a first end of the cutout section and a second elongated hole adjacent to a second end of the cutout section opposite the first end.
7. The mounting bracket of claim 6, wherein the plurality of elongated holes in the first portion further includes a third elongated hole disposed at a distal end of the mounting bracket.
8. The mounting bracket of claim 6, wherein the first portion includes a first fixture hole therein adjacent to the first elongated hole and a second fixture hole therein adjacent to the second elongated hole.
9. The mounting bracket of claim 1, wherein the first portion and the second portion form a generally L-shaped cross-section.
10. A scan head for a scanner, comprising:
a scan head frame having a top surface and a side surface, the top surface having a plurality of holes therein;
an optical unit mounted to the scan head frame having a lens assembly;
an image sensing unit having an image sensor and being mounted to the scan head frame by a mounting bracket, the mounting bracket having a first portion and a second portion extending from the first portion, the image sensing unit being mounted to the second portion of the mounting bracket and facing the side surface of the scan head frame, the first portion of the mounting bracket having a plurality of holes therein, and the second portion of the mounting bracket having a cutout section therein that allows the image sensor to receive an image from the optical unit;
a first plurality of fasteners each extending through one of the plurality of holes in the first portion of the mounting bracket and a corresponding one of the plurality of holes in the top surface of the scan head frame to mount the mounting bracket to the scan head frame; and
a pivot hole in the first portion of the mounting bracket centered about the image sensor and aligned with a corresponding pivot hole in the top surface of the scan head frame;
wherein the plurality of holes in the first portion of the mounting bracket permit adjustment of the focal length between the image sensor and the lens assembly and the pivot hole in the first portion of the mounting bracket permits angular adjustment of the image sensor relative to the optical unit.
11. The scan head of claim 10, wherein the pivot hole in the first portion of the mounting bracket has a larger diameter than the corresponding pivot hole in the top surface of the scan head frame to provide a range of adjustment of the mounting bracket relative to the scan head frame.
12. The scan head of claim 10, wherein the plurality of holes in the first portion of the mounting bracket are one of circular and elongated, the corresponding holes in the top surface of the scan head frame are circular, and the plurality of holes in the first portion have a length that is greater than a diameter of the corresponding holes in the top surface of the scan head frame to provide a range of adjustment of the mounting bracket relative to the scan head frame.
13. The scan head of claim 10, further comprising:
a plurality of holes in the second portion of the mounting bracket;
a corresponding plurality of holes in the image sensing unit; and
a second plurality of fasteners each extending through one of the holes in the second portion of the mounting bracket and a corresponding one of the holes in the image sensing unit to mount the image sensing unit to the second portion of the mounting bracket.
14. The scan head of claim 13, wherein the second plurality of fasteners includes:
a first fastener extending through a first hole in the second portion of the mounting bracket adjacent to a first end of the cutout section and a corresponding first hole in the image sensing unit adjacent to a first end of the image sensor; and
a second fastener extending through a second hole in the second portion of the mounting bracket adjacent to a second end of the cutout section and a corresponding second hole in the image sensing unit adjacent to a second end of the image sensor.
15. The scan head of claim 14, wherein the second plurality of fasteners further includes a third fastener extending through a third hole in the second portion of the mounting bracket at a distal end of the mounting bracket and a corresponding third hole in the image sensing unit at a distal end of the image sensing unit.
16. The scan head of claim 13, wherein the second portion of the mounting bracket includes a plurality of rib portions each having one of the plurality of holes in the second portion therein.
17. The scan head of claim 10, wherein the first plurality of fasteners includes:
a first fastener extending through a first hole in the first portion of the mounting bracket adjacent to a first end of the cutout section and a corresponding first hole in the top surface of the scan head frame; and
a second fastener extending through a second hole in the first portion of the mounting bracket adjacent to a second end of the cutout section and a corresponding second hole in the top surface of the scan head frame.
18. The scan head of claim 17, wherein the first plurality of fasteners further includes a third fastener extending through a third hole in the first portion of the mounting bracket at a distal end of the mounting bracket and a corresponding third hole in the top surface of the scan head frame at a distal end of the scan head frame.
19. A method for assembling a scan head for a scanner, comprising:
mating a mounting bracket having an image sensing unit mounted thereto to a scan head frame;
partially securing the mounting bracket to the scan head frame;
inserting a pin through a pivot hole in the mounting bracket and through a corresponding pivot hole in a top surface of the scan head frame;
adjusting at least one of the linear position and the angular position of the image sensing unit relative to an optical unit mounted to the scan head frame;
after adjusting the at least one of the linear position and the angular position of the image sensing unit, securing the mounting bracket to the scan head frame; and
removing the pin from the pivot hole in the top surface of the scan head frame and the pivot hole in the mounting bracket.
20. The method of claim 19, further comprising:
analyzing at least one of:
a focal length between an image sensor of the image sensing unit and a lens assembly of the optical unit to determine whether a desired magnification of a scanned image on the image sensor is achieved; and
an angular position of the image sensor relative to the optical unit to determine whether the scanned image is uniformly received on the image sensor;
wherein the adjusting of the at least one of the linear position and the angular position of the image sensing unit relative to the optical unit is performed in response to the analysis of the at least one of the focal length and the angular position of the image sensor.
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 apparatus comprising:
a power source;
a receiver to receive wireless signals; and
a power controller coupled to the receiver and the power source to prevent power from being supplied to the receiver in a first mode and enable power to be supplied to the receiver in a second mode, wherein the power controller automatically switches from the first mode to the second mode in response to reception of at least one range of frequency of signal.
2. The apparatus of claim 1, wherein the power controller includes electromagnetic energy detection (EED) circuit which is responsive to electromagnetic energy transmitted by a remote transmitter unit.
3. The apparatus of claim 2, wherein the EED circuit is a passive circuit that does not require power supplied from the power source.
4. The apparatus of claim 1, further comprising:
a processor coupled to the receiver, the signal processor to recognize at least one defined signal code transmitted by a remote transmitter unit; and
an indicator coupled to the processor to provide an indication of receiving of the defined signal code.
5. The apparatus of claim 4, wherein the processor is capable of learning to recognize at least one coded signal transmitted by a remote transmitter.
6. The apparatus of claim 5, wherein the receiver, the power controller, the processor and the indicator are contained within an identification tag.
7. The apparatus of claim 6, wherein the identification tag is a luggage tag.
8. The apparatus of claim 1, wherein the power controller includes circuitry capable of absorbing electromagnetic radiation energy and converting the energy into an electrical current.
9. The apparatus of claim 1, wherein the power controller includes circuitry tuned to respond to at least one range of frequency of signals.
10. The apparatus of claim 1, further comprising:
a housing having an attachment mechanism to facilitate connection to an object.
11. A system comprising:
a remote transmitter unit to transmit wireless signal code; and
a receiver unit to receive the signals transmitted by the transmitter unit and to indicate reception of the signal code from the remote transmitter unit, wherein the receiver unit capable of automatically switching from a first mode in which the receiver unit remains powered off to a second mode in which the receiver unit is powered on in response to reception of an electromagnetic signal.
12. The system of claim 11, wherein the receive unit includes electromagnetic energy detection (EED) circuit which is responsive to electromagnetic energy transmitted by the remote transmitter unit.
13. The system of claim 12, wherein the EED circuit is a passive circuit that does not require power supplied from the power source.
14. The system of claim 11, wherein the receiver unit comprises:
a power source;
a receiver to receive wireless signals;
a power controller coupled to the receiver and the power source to automatically switch from the first mode to the second mode in response to reception of at least one range of frequency of signal;
a processor coupled to the receiver to recognize at least one defined signal code transmitted by the remote transmitter unit; and
an indicator coupled to the processor to provide an indication of receiving of the defined signal code.
15. The system of claim 11, wherein the receiver unit is contained an identification tag.
16. The system of claim 15, wherein the identification tag is a luggage tag.
17. The system of claim 14, wherein the power controller includes circuitry capable of absorbing electromagnetic radiation energy and converting the energy into an electrical current.
18. The system of claim 14, wherein the power controller includes circuitry tuned to respond to at least one range of frequency of signals.
19. The system of claim 11, wherein the remote transmitter unit is capable of operating at least one remote control functions of a vehicle.
20. The system of claim 19, wherein the receiver unit is capable of learning to recognize at least one coded signal transmitted by the remote transmitter unit.
21. A method comprising:
preventing power from being supplied to a wireless receiver component in a first mode;
enabling power to be supplied to the receiver component in a second mode; and
automatically switching from the first mode to the second mode in response to reception of at least one range of signal frequency.
22. The method of claim 21, further comprising:
converting at least one range of frequency of signal into an electrical current; and
using the electrical current to turn on a switch to enable power to be supplied to the receiver component.
23. The method of claim 21, further comprising:
determining if a received signal is a valid activation signal; and
providing an indication upon detection of the valid activation signal.
24. The method of claim 21, further comprising:
learning to recognize at least one defined signal code transmitted by a remote transmitter capable of operating at least one remote control function of a vehicle.
25. The method of claim 21, further comprising:
turning off power supplied to at least the wireless receiver component if the at least one range of signal frequency has not been detected within a predetermined time period.
26. A luggage tag comprising:
a power source;
a receiver to receive wireless signals;
a processor coupled to the receiver, the signal processor to recognize at least one defined signal code transmitted by a remote transmitter unit;
a user alerting element coupled to the processor to provide an indication of receiving of the defined signal code; and
a housing having an attachment mechanism to removably connect to a luggage.
27. The luggage tag of claim 26, wherein the user alerting element comprises at least one of a visual device and an audio producing device.
28. The luggage tag of claim 26, wherein the processor is capable of learning to recognize at least one coded signal transmitted by a remote transmitter unit.
29. The luggage tag of claim 28, wherein the remote transmitter unit is capable of operating at least one remote control function of a vehicle.
30. The luggage tag of claim 26, further comprising:
electromagnetic energy detection (EED) circuit which is used to automatically enable power to be supplied to the receiver in response to reception of at least one range of frequency of signal, wherein the EED circuit is a passive circuit that does not require power supplied from the power source.