High intensity compact flashlight

Details High intensity compact flashlight High intensity compact flashlight

1992-12-29

1994-10-04

Bertsch, Richard A.

Illumination

Self powered lamp

Cylindrical flashlight casing

362208, F21L 700

Patent

active

053532082

ABSTRACT:
A very compact flashlight having an external diameter and length comparable to a typical single AA cell flashlight, but with much higher emitted light intensity, is described. The flashlight fits into pre-existing mounts designed to attach AA cell flashlights to weapons (e.g., pistols) for target illumination. It is shorter than multi-cell AA flashlights and brighter than single cell AA flashlights, thereby providing better weapon target illumination without the bulk associated with prior art multi-cell units. The flashlight barrel is shaped to accommodate a bundle of, for example, three AAAA batteries arranged in a side-by-side relationship. Circuit boards located at opposite ends of the battery bundle interconnect the batteries in series so that higher voltage, higher intensity lamps can be used. Alignment means inside the barrel hold the batteries and circuit boards in a predetermined relationship to accomplish the series interconnection. A high-intensity bi-pin lamp is conveniently coupled to one of the circuit boards and a switch for integral or remote operation is coupled to the other circuit board.

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patent: 4644451 (1987-02-01), Chabria
patent: 4709309 (1987-11-01), Yamaki
patent: 4754378 (1988-06-01), Chen

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