Controlled light source

Details Controlled light source Controlled light source

1982-06-04

1984-02-14

Laroche, Eugene R.

Electric lamp and discharge devices: systems

With radiant energy sensitive control means

Load device irradiating the radiant energy responsive device

250205, 315116, 315117, 315158, 315248, H05B 4136

Patent

active

044319479

ABSTRACT:
A feedback control system for maintaining the intensity and spectral distribution of light at a predetermined level at a wavelength characteristic of the excited source. Control of that intensity, which exhibits a systematic but not necessarily a monotonic relation with excitation, is achieved by measuring and controlling the intensity of flux at another characteristic wavelength which is both systematic and monotonic.

REFERENCES:
patent: 2975330 (1961-03-01), Bloom et al.
patent: 3989983 (1976-11-01), Uchino et al.
patent: 4256404 (1981-03-01), Walker

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