Electronic apparatus for producing variable spectral output

Details Electronic apparatus for producing variable spectral output Electronic apparatus for producing variable spectral output

1994-08-16

1996-10-29

Pascal, Robert

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Plural load device regulation

315307, 315294, 315314, G05F 100

Patent

active

055699839

ABSTRACT:
An electronic apparatus for producing a wide variety of spectral outputs comprising at two dissimilar light sources, a source of alternating current, a means for specifying the desired spectral output, electronic means for varying the alternating current delivered to the first light source to produce a first spectral output, and electronic means for varying the alternating current delivered to the second light source to produce a second spectral output, which when combined with the first spectral output produces an overall light output meeting desired characteristics of illuminance and/or color temperature.

REFERENCES:
patent: 4968927 (1990-11-01), Pelonis
patent: 5144190 (1992-09-01), Thomas et al.
patent: 5175477 (1992-12-01), Grisson
patent: 5384519 (1995-01-01), Gotoh
patent: 5430356 (1995-07-01), Ference et al.

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