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. 02, 2008
Filed:
Dec. 27, 2006
Applicants:
Kohji Sakata, Hashima, JP;
Takeshi Otsuka, Hashima, JP;
Inventors:
Kohji Sakata, Hashima, JP;
Takeshi Otsuka, Hashima, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
An analog-to-digital converter includes a track-and-hold circuit, a constant-voltage source, a threshold voltage selection circuit, a first comparator to a seventh comparator, an encoder, and a reference voltage output circuit. In a correction mode where the offsets of the first to seventh comparators are to be corrected, a track-and-hold circuit shuts off the input of an analog voltage to the first to seventh comparators by turning off the track-hold switch.