The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 1990
Filed:
Feb. 09, 1989
Applicant:
Inventors:
David W Cunningham, Los Angeles, CA (US);
Gregory F Esakoff, Hungtington Beach, CA (US);
Assignee:
Lee Colortran, Inc., Burbank, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315291 ; 315D / ;
Abstract
A dimmer module including a dimmer circuit for use in controlling lighting used in theatrical and architectural operations. The module features a low cost, compact, thermally efficient design incorporating circuit breakers, a power device including solid state switches, and toroidal chokes, all components being interconnected using with prefabricated tooled interconnections eliminating conventional wiring in a housing adapted to make all external connections on a plug in basis. The housing structure incorporates a built-in handle and a plurality of parallel air flow paths to maximize cooling efficiency.