Passive proximity transceiver having an improved casing

Details Passive proximity transceiver having an improved casing Passive proximity transceiver having an improved casing

1998-05-22

2000-09-19

Horabik, Michael

Communications: electrical

Continuously variable indicating

With meter reading

307 102, 307 103, G06F 704

Patent

active

06121891&

ABSTRACT:
The casing of a passive proximity transceiver includes a protrusion which extends from the main body of the casing to prevent metal objects from touching the main body, where they would otherwise be close enough to interfere with reception of signals transmitted between the passive proximity transceiver and another electronic device. The casing may be arranged to be mounted on a key ring, with the protrusion being in the form of a collar extending around the main body.

REFERENCES:
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patent: D333636 (1993-03-01), Issa
patent: D333795 (1993-03-01), Issa
patent: D347190 (1994-05-01), Issa
patent: D350494 (1994-09-01), Hwang
patent: 5519376 (1996-05-01), Iijima
patent: 5635900 (1997-06-01), Hasegawa et al.
patent: 5675490 (1997-10-01), Bachhuber
patent: 5684454 (1997-11-01), Nishioka et al.
patent: 5708307 (1998-01-01), Iijima et al.
patent: 5973412 (1999-10-01), Nantz et al.

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