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:
Oct. 13, 2020
Filed:
Mar. 25, 2019
Sercomm Corporation, Taipei, TW;
Chien-Ming Chen, Taipei, TW;
Shiou-Hua Hu, Taipei, TW;
Sercomm Corporation, Taipei, TW;
Abstract
A video doorbell system comprising a video doorbell device, which comprises a chime trigger device, a first battery, an AC power receiving interface, an AC to DC circuit, a charging circuit, a DC power receiving interface and an image capture circuit. The first battery provides an internal DC voltage. The AC power receiving interface receives an AC voltage. The AC to DC circuit converts the AC voltage to a second DC voltage. The charging circuit drains the second DC voltage to charge the first battery. The DC power receiving interface receives a first DC voltage. The image capture circuit selectively drains the internal DC voltage, or the first DC voltage to operate.