Invention Grant
US09459552B2 Drive circuit for printing apparatus, light-emitting element unit, and printing apparatus
有权
用于打印设备，发光元件单元和打印设备的驱动电路
- Patent Title: Drive circuit for printing apparatus, light-emitting element unit, and printing apparatus
- Patent Title (中): 用于打印设备，发光元件单元和打印设备的驱动电路
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Application No.: US14993893Application Date: 2016-01-12
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Publication No.: US09459552B2Publication Date: 2016-10-04
- Inventor: Wataru Endo
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Fitzpatrick, Cella, Harper and Scinto
- Priority: JP2015-025618 20150212
- Main IPC: G03G15/04
- IPC: G03G15/04 ; G03G15/00 ; G03G15/043
Abstract:
A drive circuit for a printing apparatus includes a first driver arranged on an electrical path from a first current supply unit to a first connection portion for a light-emitting element, a second driver arranged on an electrical path from a second current supply unit to the first connection portion, a third driver arranged on an electrical path from the second current supply unit to a second connection portion for a light-emitting element, and a switch unit configured to selectively connect the second current supply unit to one of the second driver and the third driver and disconnect the connection between the second current supply unit and the other of the second driver and the third driver when the second current supply unit is connected to the one of the second driver and the third driver.
Public/Granted literature
- US20160238964A1 DRIVE CIRCUIT FOR PRINTING APPARATUS, LIGHT-EMITTING ELEMENT UNIT, AND PRINTING APPARATUS Public/Granted day:2016-08-18
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