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:
Sep. 26, 1978
Filed:
Dec. 15, 1976
Applicant:
Inventors:
Gerald Bachur, San Jose, CA (US);
George E Richardson, Santa Clara, CA (US);
Assignee:
Optical Associates, Incorporated, Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H05B / ; H05B / ;
U.S. Cl.
CPC ...
315151 ; 250205 ; 315158 ; 355 69 ;
Abstract
An exposure system is described employing a lamp and means for controlling the exposure time period during which light from the lamp at a preselected level is passed through a light path to an exposure plane. Light is detected in the light path and the brightness of the lamp is adjusted according to the sensed light to provide the preselected level of light output from the lamp during the exposure period. Also described is a method for operating such a system.