Shielded RFID transceiver with illuminated sensing surface

Details Shielded RFID transceiver with illuminated sensing surface Shielded RFID transceiver with illuminated sensing surface

2007-09-11

2007-09-11

Hofsass, Jeffery (Department: 2612)

Communications: electrical

Condition responsive indicating system

Specific condition

C340S572700, C340S691100, C235S439000

Reexamination Certificate

active

11214922

ABSTRACT:
A transceiver for reading RFID tags has a ferrite core antenna substantially circular in cross-section having a transmitting and receiving face producing substantially no RF energy below a plane of the transmitting and receiving face outside a peripheral surface of the ferrite core. A portion of the transceiver enclosure which passes through a mounting panel opening functions as light pipe for conducting LED indicator light in a substantially radially symmetrical manner to illuminate a sensing surface of the transceiver.

REFERENCES:
patent: 4805232 (1989-02-01), Ma
patent: 4847552 (1989-07-01), Howard
patent: 5378880 (1995-01-01), Eberhardt
patent: 6069564 (2000-05-01), Hatano et al.
patent: 6116505 (2000-09-01), Withrow
patent: 6229420 (2001-05-01), Baumi et al.
patent: 6377176 (2002-04-01), Lee
patent: 2005/0162331 (2005-07-01), Endo et al.

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