Optically coupled interface for portable semi-conductor data med

Details Optically coupled interface for portable semi-conductor data med Optically coupled interface for portable semi-conductor data med

1986-09-10

1988-11-08

Westin, Edward P.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

283 85, 350331R, 235454, B42D 1500

Patent

active

047835982

ABSTRACT:
An optically coupled data interface formed of a host device having apparatus to receive data in optical format, the host device having apparatus to impart optical data initiating signals, a portable module adaptable to interface with the host device and having an optically responsive window adapted to receive optical data initiating signals from the host device and means self-contained in the portable module controlling the optically responsive window to impart data onto optical signals receivable by the host device.

REFERENCES:
patent: 4204116 (1980-05-01), Cresswell et al.
patent: 4205225 (1980-05-01), LeGoff
patent: 4472627 (1984-09-01), Weinberger
patent: 4536014 (1985-08-01), Boutaleb et al.
patent: 4587413 (1986-05-01), Hoppe et al.

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