Signal coupler

Details Signal coupler Signal coupler

1994-04-25

1995-07-18

Pitts, Harold

Registers

Coded record sensors

Particular sensor structure

235472, 235380, G06K 710, G06K 714

Patent

active

054344018

ABSTRACT:
A signal coupler for incorporating in a smartcard or a base device comprises an optocoupling arrangement for exchanging power or data signals between the demountable device and the base device, thereby eliminating problems associated with wear of metal contacts and allowing convenient manufacture.

REFERENCES:
patent: 4575621 (1986-03-01), Dreifus
patent: 4783598 (1988-11-01), McAdams
patent: 4916296 (1990-04-01), Streck
patent: 5349210 (1994-09-01), Ackley et al.

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