Contactless identification and communication system and method o

Details Contactless identification and communication system and method o Contactless identification and communication system and method o

1998-09-17

2000-08-15

Lee, Benjamin C.

Communications: electrical

Condition responsive indicating system

Specific condition

3405724, 34082554, 455343, 342 42, 342 44, G08B 1314

Patent

active

061042900

ABSTRACT:
A contactless identification and communication system and method of operating a contactless identification communication system comprising a reader and one or more transponders, wherein the or each transponder is operable to be in RF communication with the reader, which method comprises the steps of: operating the transponder at a first clock rate when the transponder is not transmitting to the reader; and operating the transponder at a second clock rate during transmission of data from the transponder to the reader, the second clock rate being higher than the first clock rate.

REFERENCES:
patent: 4068232 (1978-01-01), Meyers et al.
patent: 5142699 (1992-08-01), Sato et al.
patent: 5488376 (1996-01-01), Hurta et al.
patent: 5847662 (1998-12-01), Yokota et al.
patent: 5912632 (1999-06-01), Dieska et al.

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