Miniature Radio Frequency Transceiver
2 Assignments
0 Petitions
Accused Products
Abstract
The present application describes an electronically powered postage stamp or mailing label and including a radio frequency identification (RFID) device and system mounted between the opposing and facing major surfaces thereof. The RFID device and system includes an integrated circuit transceiver chip which is connected to and powered by a thin flat battery cell and is operated with a thin film RF antenna, all of which are mounted in side-by-side relationship on a thin base or support layer. These thin flat components are mounted in an essentially two dimensional planar configuration well suited for incorporation into the planar structure of a postage stamp or a mailing label. In addition, the RFID transceiver chip may be replaced with an electro-optically operated IC chip using, for example, LEDs or laser diodes for the propagation of light signals to an interrogator.
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Citations
56 Claims
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1-22. -22. (canceled)
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23. A method of forming a radio frequency identification label, comprising:
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providing a first, thin, flexible sheet comprising a first surface, wherein an antenna and an integrated circuit (IC) are substantially disposed on the first sheet, and the IC comprises memory configured to store data and a transceiver configured to receive a signal and to provide the data in response to the signal;
affixing at least a portion of a second surface of a second, thin, flexible sheet to at least a portion of the first surface of the first sheet; and
providing an adhesive material to affix the label to an article. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. A method of forming a radio frequency identification device, comprising:
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providing a first, thin, flexible sheet having a substantially uniform thickness of less than approximately 5 mils, the first sheet comprising a perimeter region on a first surface of the first sheet, wherein at least a portion of the perimeter region is configured to be affixed to a second surface of a second, thin, flexible sheet;
providing an antenna substantially disposed on the first sheet, wherein the dipole antenna has a substantially uniform thickness of less than approximately 2 mils; and
coupling no more than one integrated circuit (IC) to the antenna, the IC comprising memory configured to store data, a receiver configured to demodulate a spread spectrum signal, and a transmitter configured to provide the data in response to the signal. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56)
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Specification