Movie light, low voltage incandescent lamp unit for use therewit

Details Movie light, low voltage incandescent lamp unit for use therewit Movie light, low voltage incandescent lamp unit for use therewit

1978-09-06

1979-09-25

Demeo, Palmer C.

Electric lamp and discharge devices

Plural unit

313113, 313116, H01K 114, H01K 132

Patent

active

041692381

ABSTRACT:
A movie light including a plastic holder, a pair of spaced-apart incandescent lamp units positioned within the holder, and means for electrically connecting the lamp units to an external power source. Each lamp unit comprises a formed glass reflector which has an internal reflective surface containing three separate diffusing regions, the most diffusing of which is oriented nearest and about the reflector's optical axis. Each unit also includes a low voltage tungsten-halogen lamp located within the reflector and having a planar single filament therein. An incandescent lamp unit suitable for use in the movie light and a reflector for use therewith are also disclosed.

REFERENCES:
patent: 2387038 (1945-10-01), Owens
patent: 2411568 (1946-11-01), Foote
patent: 2810660 (1957-10-01), Carpenter
patent: 4021659 (1977-05-01), Wiley

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