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Display control apparatus, display control method, and system

專利號
US11178303B2
公開日期
2021-11-16
申請人
CANON KABUSHIKI KAISHA(JP Tokyo)
發(fā)明人
Maki Onuma
IPC分類
G06F15/00; G06F3/12; G06K1/00; H04N1/00
技術領域
refresh,code,display,rate,in,fringes,displaying,device,two,r2
地域: Tokyo

摘要

A multifunction inkjet printer that displays an image on a display device includes: an operation display unit configured to receive an instruction from a user; and a CPU configured to control the display device to display an image, wherein, in a state where display on the display device is being performed at a first refresh rate, in response to the operation display unit receiving an instruction for displaying a code to be captured by a mobile terminal, the CPU is configured to control the display device to display the code at a second refresh rate that has a higher frequency than the first refresh rate.

說明書

The printing unit 104 includes a printing engine of an inkjet system, and the printing unit 104 prints an image saved in the RAM 103 on a print sheet. The scanning unit 105 performs photo-electric conversion for converting an optically-read image into electrical image signals by use of a contact image sensor. The interface 106 performs wireless or wired network communication, and the interface 106 is used for transmission and reception of information or a command to and from an external device.

The operation display unit 2 includes a display device 20, a key group 21, and an LED group 22. The display device 20 is capable of displaying a state of the multifunction inkjet printer 1, various kinds of menu screens, information of the main body of the multifunction inkjet printer 1, or the like. The display device 20 of the present embodiment is an organic electro-luminescence (EL) display device in which a passive matrix driving system is employed. The key group 21 is a reception unit (input unit) that receives input of various kinds of instructions, such as copying or printing, from the user. The LED group 22 are indicator lights that indicate a state of the power supply and an error state for the user.

Explanation of the Operation Display Unit

權利要求

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