Electrically isolated optical connector identification system

Details Electrically isolated optical connector identification system Electrically isolated optical connector identification system

1992-08-27

1993-06-22

Healy, Brian

Optical waveguides

Integrated optical circuit

385147, 439488, 439489, 439490, 439577, 250215, 250216, 2502082, G02B 612, H01R 300, H01J 4014

Patent

active

052221644

ABSTRACT:
A connector/cable identification system comprises a plug having an extension and a female housing having at least two pairs of optical emitter/sensors. Each emitter/sensor pair detects whether the extension is therebetween. Because different extensions have different lengths or aperture configurations, the type of connector (and thus associated cable) can be determined. Voltage isolation between the cable (i.e., a common carrier transmission line) and the apparatus receiving the cable (i.e., a personal computer) is maintained by physically separating the transmission circuitry from the identification circuitry.

REFERENCES:
patent: 3649839 (1972-03-01), Appleton
patent: 3942859 (1976-03-01), Korodi
patent: 4811002 (1989-05-01), Otsubo
patent: 4812635 (1989-03-01), Kaufmann et al.
patent: 4902244 (1990-02-01), Endo et al.
patent: 4919508 (1990-04-01), Grace et al.
patent: 4925402 (1990-05-01), Inaba et al.

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