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, 2001
Filed:
Oct. 29, 1999
Applicant:
Inventors:
Koon Seok Lee, Kyongsangnam-do, KR;
Jeong Hyun Lim, Kyongsangnam-do, KR;
Assignee:
LG Electronics Inc., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03K 1/778 ; G01J 5/14 ;
U.S. Cl.
CPC ...
H03K 1/778 ; G01J 5/14 ;
Abstract
A temperature sensing circuit using a thermopile sensor is provided which includes a thermopile sensor generating a voltage corresponding to an incidence amount of infrared rays, means for amplifying the output of the thermopile sensor, means for compensating for an offset of the amplifying means, and means for removing the output of the offset compensating means from the output of the amplifying means, to detect the temperature of an object.