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:
Mar. 29, 2022
Filed:
Mar. 18, 2019
Seiko Epson Corporation, Tokyo, JP;
Hironobu Yamamoto, Shiojiri, JP;
Tadashi Aizawa, Matsumoto, JP;
Abstract
An inverted-F antenna is included in an electronic timepiece without increasing the thickness of the electronic timepiece. In an electronic timepiece having a dial, a plastic calendar plate disposed on the back cover side of the dial, and a main plate disposed on the back cover side of the calendar plate, a first conductor element, second conductor element, and a shorting element shorting the first conductor element and second conductor element are formed in unison with the calendar plate, enabling the calendar plate to function as an inverted-F antenna. The first conductor element is disposed on the dial side surface of the calendar plate, and superimposed with the dial in a plan view. The second conductor element is disposed on the main plate side of the calendar plate, and superimposed in the plan view with the first conductor element. The shorting element is disposed to the side of the calendar plate.