Photoflash unit with inverted flashlamps

Details Photoflash unit with inverted flashlamps Photoflash unit with inverted flashlamps

1979-09-04

1981-01-13

Padgett, Benjamin R.

Illumination

Photographic lighting

Plural light sources or light source supports

362237, 362238, 362240, 362241, 362247, 431358, 431359, 431365, F21K 502, G03B 1502

Patent

active

042452791

ABSTRACT:
A multilamp photoflash unit including an elongated plastic housing having a longitudinal channel therein. Within the channel is positioned a thin, flat circuit board to which are connected several (e.g. six) flashlamps arranged in a linear array. The lamps are divided into two opposing pluralities such that those in the plurality being fired are inverted during firing.

REFERENCES:
patent: 3267272 (1966-08-01), Fischer
patent: 3327105 (1967-06-01), Kottler et al.
patent: 3598984 (1971-08-01), Slomski
patent: 3608451 (1971-09-01), Kelen
patent: 3937946 (1976-02-01), Weber
patent: 3959860 (1976-06-01), Schindler
patent: 4059389 (1977-11-01), Armstrong et al.
patent: 4096549 (1978-06-01), Anderson et al.
patent: 4101259 (1978-07-01), Shaffer et al.
patent: 4101260 (1978-07-01), Wanninkhof et al.
patent: 4136377 (1979-01-01), Fohl

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