Electrical transmission or interconnection systems – Personnel safety or limit control features – Interlock
Patent
1983-09-09
1986-07-08
Miller, Stanley D.
Electrical transmission or interconnection systems
Personnel safety or limit control features
Interlock
307297, 323907, 250214AG, G05F 316
Patent
active
045995273
ABSTRACT:
Gain of a photosensitive avalanche member, such as an avalanche photodiode, is stabilized so that a variation in gain of the photosensitive member in terms of temperature is compensated for by applying to the photosensitive member a bias voltage varying with temperature according to a predetermined relationship. The relationship depends on the variation with temperature in the voltage applied to terminals of at least one diode. The gain stabilizing device comprises a temperature-stabilized voltage source, a dc-dc voltage converter having an adjustable gain for applying a bias voltage to the photosensitive member, and at least one diode series-connected between the supply source and an input of the converter.
REFERENCES:
patent: 3363105 (1968-01-01), Dixon
patent: 3992622 (1976-11-01), Numata et al.
patent: 4092069 (1978-05-01), Fukuda et al.
patent: 4153835 (1979-05-01), Lau et al.
patent: 4236069 (1980-11-01), Laughlin
patent: 4292514 (1981-09-01), Ohtomo
patent: 4438348 (1984-03-01), Casper et al.
patent: 4479708 (1984-10-01), Tokuda
Beaudet Didier M.
Nicole Pierre
Hudspeth D. R.
Miller Stanley D.
Societe Anonyme de Telecommunications
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