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. 08, 2025
Filed:
Apr. 25, 2023
Seiko Epson Corporation, Tokyo, JP;
Yasuhiro Sudo, Chino, JP;
SEIKO EPSON CORPORATION, , JP;
Abstract
A real-time clock module coupled to a memory device includes: a timing circuit configured to measure a time to generate time data; a first interface circuit configured to function as a master interface for the memory device; a power supply circuit configured to supply a power supply voltage to the memory device; and a control circuit configured to write, to the memory device, target time data corresponding to at least a part of time digits of the time data via the first interface circuit after the supply of the power supply voltage to the memory device is started, and to stop the supply of the power supply voltage after the target time data is written.