Invention Grant
US08405775B2 Video output apparatus, display system, and video output method for outputting video signal to display apparatus
有权
视频输出装置,显示系统和用于将视频信号输出到显示装置的视频输出方法
- Patent Title: Video output apparatus, display system, and video output method for outputting video signal to display apparatus
- Patent Title (中): 视频输出装置,显示系统和用于将视频信号输出到显示装置的视频输出方法
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Application No.: US12360798Application Date: 2009-01-27
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Publication No.: US08405775B2Publication Date: 2013-03-26
- Inventor: Takahisa Kawade
- Applicant: Takahisa Kawade
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., IP Division
- Priority: JP2008-025234 20080205
- Main IPC: H04N7/00
- IPC: H04N7/00 ; H04N11/00 ; H04N5/232 ; H04N5/50

Abstract:
A video output apparatus includes an attribute information acquisition unit that acquires attribute information of a display apparatus through a communication unit, a determination unit that determines whether to superimpose additional information on a video signal based on the attribute information of the display apparatus acquired by the attribute information acquisition unit, an output unit that superimposes the additional information extracted by an additional information extraction unit on the video signal output from a video decoding unit and outputs the additional information superimposed on the video signal to the communication unit if the determination unit determines to superimpose the additional information on the video signal, and outputs the video signal output from the video decoding unit to the communication unit without superimposing the additional information on the video signal if the determination unit determines not to superimpose the additional information on the video signal.
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