- Patent Title: Image forming apparatus and control method for image forming apparatus for controlling a direct current to direct current converter to supply power to an USB device
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Application No.: US16787462Application Date: 2020-02-11
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Publication No.: US11599494B2Publication Date: 2023-03-07
- Inventor: Naoto Sasahara
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon U.S.A., Inc. IP Division
- Priority: JPJP2019-027184 20190219
- Main IPC: G06F1/26
- IPC: G06F1/26 ; G06F13/42 ; H04N1/00 ; G06F1/3234 ; H02M3/00
Abstract:
An apparatus, such as an image forming apparatus, includes a Universal Serial Bus (USB) host interface configured to connect to a USB device, a direct current to direct current (DC-DC) converter configured to supply power to the USB device connected to the USB host interface, and a control unit configured to switch the DC-DC converter from a pulse width modulation (PWM) mode to a pulse frequency modulation (PFM) mode based on a type of the USB device connected to the USB host interface.
Public/Granted literature
- US20200267275A1 IMAGE FORMING APPARATUS AND CONTROL METHOD FOR IMAGE FORMING APPARATUS Public/Granted day:2020-08-20
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