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:
Jul. 28, 2015
Filed:
Jan. 10, 2013
Seiko Instruments Inc., Chiba, JP;
Kazuo Kato, Chiba, JP;
Akira Takakura, Chiba, JP;
Tomohiro Ihashi, Chiba, JP;
Takanori Hasegawa, Chiba, JP;
Toshitaka Fukushima, Chiba, JP;
SEIKO INSTRUMENTS INC., , JP;
Abstract
There is provided an electronic timepiece that includes a solar panel which receives light to generate electric power, is operated with the electric power supplied from a secondary battery charged with output voltage of the solar panel, and includes a normal mode in which clock display is performed on a display unit and a power saving mode in which clock display on the display unit is stopped, based on illuminance detection of the solar panel, the electronic timepiece including: a mode control unit which switches cycles of the illuminance detection, by setting a cycle of the illuminance detection of the normal mode as a first cycle (for example, one minute), and a cycle of the illuminance detection of the power saving mode as a second cycle (for example, two seconds).