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. 17, 1996
Filed:
Aug. 29, 1995
Applicant:
Inventor:
Ping-jung Kuo, Sanchung City, TW;
Assignee:
IR-TEC International Ltd., Taipei Hsien, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H05B / ;
U.S. Cl.
CPC ...
315158 ; 315155 ; 315159 ; 315362 ; 2503383 ; 250221 ;
Abstract
An electronic circuit for controlling a lamp includes a pyroelectric sensing circuit for detecting the approach of a human, a triggering circuit for receiving a signal from the pyroelectric circuit, a driving circuit for receiving a triggering signal from the triggering circuit and activating a load, and a direct current power circuit with a high-impedance circuit for providing a steady voltage to the electric circuits.