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:
Nov. 28, 2023
Filed:
Jun. 23, 2022
Seiko Epson Corporation, Tokyo, JP;
Hitoshi Ota, Shiojiri, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A DA conversion circuit includes a first DA conversion circuit unit corresponding to a higher bit, a second DA conversion circuit unit corresponding to a lower bit, a capacitance element provided between the first DA conversion circuit unit and the second DA conversion circuit unit, the first DA conversion circuit unit includes a capacitance element and a selection circuit, the second DA conversion circuit unit includes a capacitance element and a selection circuit, and the selection circuit supplies a potential VL or VPH to one end of the capacitance element, and the selection circuit supplies the potential VL or VPL to one end of the capacitance element. The potential VPL is different from the potential VPH, and for example, VPL>VPH.