Flash array having shielded switching circuit

Details Flash array having shielded switching circuit Flash array having shielded switching circuit

G - Physics

03

B

240/77

G03B 15/04 (2006.01) F21K 5/08 (2006.01)

Patent

CA 1073877

ABSTRACT OF THE DISCLOSURE A multiple flash lamp array contains a sequentially switching lamp flashing circuit in the form of a printed circuit on a surface of a circuit board. A metal shield is provided over the other surface of the circuit board to reduce the possibility of accidential flashing of lamps by electrostatic voltage, which flashing tends to occur part- icularly when high voltage types of lamps are used in the array. Preferably, the shield is connected electrically to a lead-in wire of each lamp in the array, and also is connected electrically to a conductive reflector member positioned near the other side of the circuit board from the shield.

236428

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