Multilamp photoflash unit construction

Details Multilamp photoflash unit construction Multilamp photoflash unit construction

1979-10-12

1981-07-28

Lechert, Jr., Stephen J.

Illumination

Photographic lighting

Safety or interlocks

362 13, 362240, 362241, G03B 1502

Patent

active

042813646

ABSTRACT:
A photoflash unit comprising a linear array of flashlamps mounted on a printed circuit board disposed within the longitudinal channel of an elongated housing member having an enclosing cover panel of light-transmitting material. The lamp firing circuitry includes a pair of spaced-apart common circuit conductor runs respectively located on opposite halves of the printed circuit board. The circuit board is secured to the rear wall of the housing channel by means of a staple having two legs extending through both the housing wall and circuit board, with the center region of the staple being disposed on the exterior of the channel wall. The staple legs are bent over in contact with respective ones of the common circuit runs to provide an interconnecting jumper therebetween and extend electrical ground to the exterior of the unit. The bent staple legs are also outwardly directed to contact a conductive-reflective coating on the channel sidewalls, thereby grounding the coating to provide an electrostatic shield.

REFERENCES:
patent: 4104705 (1978-08-01), Levand et al.

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