Fluorescent lamp dimming adaptor kit

Details Fluorescent lamp dimming adaptor kit Fluorescent lamp dimming adaptor kit

1986-07-11

1987-07-21

Boudreau, Leo H.

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315291, 315297, 315287, 315DIG4, H05B 3702

Patent

active

046820833

ABSTRACT:
A conventional non-dimming ballast for fluorescent lamps is modified to achieve a 100:1 dimming ratio by connecting a switching module to the ballast. The switching module switches current to and from the fluorescent lamps under control of a level control, resulting in the desired light output. The switching module may be connected either in series or in parallel with the lamps.

REFERENCES:
patent: 3265907 (1966-08-01), Kurata et al.
patent: 4395660 (1983-07-01), Waszkiewicz
patent: 4482844 (1984-11-01), Schweer et al.
patent: 4523129 (1985-06-01), Pitel
patent: 4523131 (1985-06-01), Zansky
patent: 4529913 (1985-07-01), Brosillon

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