Flash lamp array having electrical shield

Details Flash lamp array having electrical shield Flash lamp array having electrical shield

1980-01-28

1982-05-11

Padgett, Benjamin R.

Illumination

Photographic lighting

Plural light sources or light source supports

362 15, 362241, 362247, 362346, 431358, 431359, 431365, F21K 502, G03B 1502, H05B 4134

Patent

active

043297340

ABSTRACT:
A photoflash lamp array comprising a housing elongated vertically and containing elongated flash lamps lying horizontally and stacked vertically, the flash lamps having lead-in wires extending from ends thereof near the sides of the housing and connected to a circuit board located behind the lamps. A conductive sheet-like shield is positioned between the circuit board in the rear of the housing and is contoured to have side portions extending forwardly in between lamp ends and the sides of the housing. The front surface of the shield is both electrically conductive and reflects light with electrically insulated flash indicator material being positioned on said front surface but not extending to the side portions thereof. By increasing the light reflective surface of said shield member in this manner there is increased light output obtained from said lamp array.

REFERENCES:
patent: 4019043 (1977-04-01), Blount
patent: 4133023 (1979-01-01), Hanson
patent: 4167773 (1979-09-01), Hanson
patent: 4227240 (1980-10-01), Shaffer et al.
patent: 4238814 (1980-12-01), Bricker et al.

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