Optically isolated signal coupler with linear response

Patent · Sat Jan 01 00:00:00 EST 1994

OSTI ID:869204

Kronberg, James W ^[1]

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1. Aiken, SC

An optocoupler for isolating electrical signals that translates an electrical input signal linearly to an electrical output signal. The optocoupler comprises a light emitter, a light receiver, and a light transmitting medium. The light emitter, preferably a blue, silicon carbide LED, is of the type that provides linear, electro-optical conversion of electrical signals within a narrow wavelength range. Correspondingly, the light receiver, which converts light signals to electrical signals and is preferably a cadmium sulfide photoconductor, is linearly responsive to light signals within substantially the same wavelength range as the blue LED.

• Research Organization: Savannah River Site (SRS), Aiken, SC (United States)
• DOE Contract Number: AC09-89SR18035
• Assignee: United States of America as represented by Department of Energy (Washington, DC)
• Patent Number(s): US 5296715
• OSTI ID: 869204
• Country of Publication: United States
• Language: English

Related Subjects

optically
isolated
signal
coupler
linear
response
optocoupler
isolating
electrical
signals
translates
input
linearly
output
comprises
light
emitter
receiver
transmitting
medium
preferably
blue
silicon
carbide
led
type
provides
electro-optical
conversion
narrow
wavelength
range
correspondingly
converts
cadmium
sulfide
photoconductor
responsive
substantially
electrical input
provides linear
wavelength range
electrical signals
electrical signal
output signal
silicon carbide
input signal
cadmium sulfide
electrical output
light signal
light signals
light transmitting
narrow wavelength
transmitting medium
optical conversion
optically isolated
signal line
light emitter
linear response
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