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:
Dec. 13, 2011
Filed:
Aug. 21, 2009
Junji Kotani, Inagi, JP;
Junji Kotani, Inagi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
When a communication connection with a device is disconnected during execution of a display based on data transmitted from the connected device, it can be controlled to continue or end the display according to a class of the device. A display apparatusincludes a USB connectorused to connect an external device so as to be able to communicate with that device. The display apparatusalso includes a CPUwhich controls to make a display based on data received from the external device with which a communication connection is established via the USB connector. The CPUacquires class information indicating a class of the external device, the communication connection of which is established. When the communication connection with the external device is disconnected, if the acquired class information indicates a predetermined class, the CPUcontrols to continue the display based on the received data, and if the class information does not indicate the predetermined class, the CPUcontrols to end the display.