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:
Sep. 27, 2022
Filed:
Jan. 08, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Shotaro Yoshimura, Shizuoka, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
The image forming apparatus includes a power supply unit configured to generate a DC voltage from an AC voltage and supply the DC voltage to a load, the image forming apparatus configured to perform image formation on a recording material, the image forming apparatus including a first control unit configured to control the image formation on the recording material, the power supply unit including a second control unit configured to control a voltage generation unit that generates the DC voltage from the AC voltage input from an AC power supply, a zero-crossing detection unit configured to detect a zero-crossing timing of the AC voltage according to the AC voltage input, and to output a zero-crossing detection signal, and a transmission unit configured to transmit the zero-crossing detection signal output from the zero-crossing detection unit to the first control unit.