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:
Oct. 26, 1999
Filed:
Jun. 25, 1997
Applicant:
Inventors:
Guoliang Shou, Tokyo, JP;
Kazunori Motohashi, Tokyo, JP;
Shengmin Lin, Tokyo, JP;
Makoto Yamamoto, Tokyo, JP;
Toshiyuki Matsumoto, Hyogo, JP;
Muneo Harada, Hyogo, JP;
Takahiko Ooasa, Nara, JP;
Yoshihiro Hirota, Kyoto, JP;
Assignee:
Sumitomo Medal Industries, Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06G / ;
U.S. Cl.
CPC ...
327344 ; 327345 ;
Abstract
A small sensor circuit with reducible electric power consumption is formed by connecting inverting amplifiers comprised of CMOS inverters connected in an odd number of stages, in series to guarantee the linearity of the relationship between inputs and outputs, and connecting an impedance as a sensor between the inputs and outputs, or to an input.