Registers – Coded record sensors – Particular sensor structure
Reexamination Certificate
2008-07-15
2008-07-15
Walsh, Daniel I (Department: 2887)
Registers
Coded record sensors
Particular sensor structure
C235S382500, C235S492000, C235S493000, C340S572700, C340S010510
Reexamination Certificate
active
07398926
ABSTRACT:
An RFID transponder programming device uses a strip transmission line to generate a constrained electromagnetic field for programming RFID transponders is featured. The programmer minimizes electromagnetic fields outside of the programming device, and keeps other blank transponders from being wrongly programmed or erased. The transmission line may either be terminated or unterminated. The characteristic impedance of the strip transmission line may be 50 ohms or any other impedance. Since the strip transmission line is terminated in its own characteristic impedance, the programmer is inherently wideband and able to work with frequencies from 433 MHz to 869 MHz, 902 to 928 MHz, and 2400 to 2485 MHz, all in the same unit.
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Kikin Vadim
Lee Donny V.
Applied Wireless Identifications Group, Inc.
Hinman, Howard & Kattell
Levy Mark
Walsh Daniel I
LandOfFree
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