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.:

US 8040271 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 18, 2011

Filed:

Sep. 03, 2009
Applicants:

Masanori Furuta, Odawara, JP;

Tomohiko Ito, Yokohama, JP;

Tetsuro Itakura, Tokyo, JP;

Inventors:

Masanori Furuta, Odawara, JP;

Tomohiko Ito, Yokohama, JP;

Tetsuro Itakura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03M 1/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

An A/D conversion apparatus includes: a first and a second D/A converter to sample an analog signal and successively compare the analog signal and a reference signal to generate a first and a second comparison signal respectively; a first comparator to compare the first comparison signal generated by the first D/A converter with a benchmark signal; a second comparator to compare the second comparison signal generated by the second D/A converter with the benchmark signal; and a converter to convert the analog signal to a digital signal according to results of the comparisons by the first and second comparators.


Find Patent Forward Citations

Furuta, Masanori. (2011). A/d conversion apparatus, a/d conversion method, and communication apparatus (U.S. Patent No. 8040271). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8040271

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