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. 18, 2019
Filed:
Dec. 05, 2017
Tech Idea Co., Ltd., Kawasaki-shi, Kanagawa, JP;
Akira Matsuzawa, Kawasaki, JP;
Masaya Nohara, Tsukuba, JP;
TECH IDEA CO., LTD., Kawasaki-Shi, Kanagawa, JP;
Abstract
An A/D converter includes an analog input terminal, a successive approximation A/D converter connected to the analog input terminal, the successive approximation A/D converter for generating an upper conversion result at an upper conversion result terminal, the successive approximation A/D converter having an internal D/A converter generating an internal reference voltage at an internal reference voltage terminal, and a delta-sigma A/D converter connected to the analog input terminal and the internal reference voltage terminal, the delta-sigma A/D converter for generating a lower conversion result at a lower conversion result terminal.