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:
Jan. 03, 2023
Filed:
Mar. 02, 2021
Olympus Corporation, Hachioji, JP;
Masato Osawa, Tokyo, JP;
OLYMPUS CORPORATION, Tokyo, JP;
Abstract
A semiconductor device according to an embodiment includes a plurality of element arrays, a signal-processing circuit, and a comparison-voltage generation circuit. Each element array is selectively connected to a vertical signal line and includes an amplification transistor configured to output a first analog signal on the basis of an input analog voltage and an actual value of variation of a characteristic value of each element array included in the plurality of element arrays. The comparison-voltage generation circuit is configured to output a gradually increasing or gradually decreasing comparison voltage. The signal-processing circuit includes a storage circuit and is configured to compare the first analog signal with the comparison voltage and store a timing at which the comparison voltage and a value of a second analog signal generated by adding a predetermined absolute value to the first analog signal match each other onto the storage circuit.