Compact electric light

Illumination – Self powered lamp – With movable focusing element

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Details

362304, 362200, 362308, F21L 700

Patent

active

046351710

ABSTRACT:
An electric light has a casing with a depth that is less than half as great as its width. This is rendered possible by the use of a compact, precision reflector which permits a focused, parallel-directed beam despite the configuration of the casing.

REFERENCES:
patent: 2072849 (1937-03-01), Dietrich
patent: 2338078 (1943-12-01), Wood
patent: 3395272 (1968-07-01), Nicholl
patent: 4423473 (1983-12-01), Kirkley
patent: 4432041 (1984-02-01), Pfisterer et al.
patent: 4504889 (1985-03-01), Goldfarb
patent: 4506314 (1985-03-01), Moore
patent: 4530040 (1985-07-01), Petterson

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