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:
Apr. 30, 2019
Filed:
Jul. 24, 2018
Olympus Corporation, Hachioji-shi, Tokyo, JP;
Yasunari Harada, Ebina, JP;
Shuzo Hiraide, Tokyo, JP;
Masato Osawa, Tokyo, JP;
Hideki Kato, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A successive approximation type A/D conversion circuit includes a first capacitor circuit, a second capacitor circuit, a plurality of comparison circuits, a determination circuit, and a control circuit. The determination circuit counts a first number of first state and a second number of second state with respect to a plurality of first digital signals output from the plurality of comparison circuits. The determination circuit outputs a control signal for stopping the plurality of comparison circuits to the control circuit when an absolute value of a difference between the first number and the second number is equal to or smaller than 1. The control circuit stops the plurality of comparison circuits on the basis of the control signal.