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. 02, 2021
Filed:
Apr. 30, 2019
Princo Corp., Hsinchu, TW;
Ying-Che Shih, Hsinchu, TW;
PRINCO CORP., Hsinchu, TW;
Abstract
A wristwatch and a power saving method thereof are provided herein. The wristwatch comprises: a time indicating device, configured to provide time information; a housing, defining a receiving room; a short distance communication module disposed in the receiving room, configured to implement short distance wireless communication with an external device, the communication module comprising: a security element, configured to process user security data; and a first coil, coupled to the security element and configured to transmit electromagnetic signals to communicate with the external device; the wristwatch further comprising: a second coil, coupled to the communication module, configured to sense an external magnetic field to generate a sensing signal, the sensing signal provided for controlling the communication module to be turned on or off to enable or disable transmission of the electromagnetic signals of the first coil. The wristwatch can reduce power consumption.