Photoelectric coupler

Details Photoelectric coupler Photoelectric coupler

1975-05-23

1977-10-18

La Roche, Eugene R.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

250239, G02B 2700

Patent

active

040548015

ABSTRACT:
A photo-electric coupler, or isolator, wherein a semiconductor light emitter and a semiconductor photodetector are enclosed in a light transmissive body having a surface covering of light reflective material for reflecting toward the photodetector, incident light from the emitter. The emitter and detector can be disposed face-to-face or side-by-side. The reflective cover can provide an external protective covering for the device or a conventional housing can be used.

REFERENCES:
patent: 3192387 (1965-06-01), Goodman
patent: 3370174 (1968-02-01), Toussaint
patent: 3628039 (1971-12-01), Ochs et al.
patent: 3639770 (1972-02-01), Zizelmann
patent: 3660669 (1972-05-01), Grenon
patent: 3818451 (1974-06-01), Coleman

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