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:
Jun. 27, 1989
Filed:
Aug. 24, 1987
Applicant:
Inventor:
Jack Y Chen, Taipei, TW;
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315153 ; 315155 ; 315159 ; 315312 ; 340567 ; 307117 ;
Abstract
An illumination control system has a plurality of infrared detection systems located in a plurality of adjacent scanning areas. Each of the detection systems controls the activation of light sources located in two or more scanning areas. Each of the detection systems is equipped with an infrared radiation sensor, an ambient light resistor, a timing circuit, a light source driving circuit, and a blinking condition prevention circuit.
Chen, Jack. (1989). Infrared ray detector control illumination system (U.S. Patent No. 4843283). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4843283
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile