Television – Basic receiver with additional function – For display of additional information
Reexamination Certificate
2005-10-21
2009-06-02
Hsia, Sherrie (Department: 2622)
Television
Basic receiver with additional function
For display of additional information
C348S792000, C348S598000, C348S599000
Reexamination Certificate
active
07542098
ABSTRACT:
A display device having an on-screen display (OSD) function receives a YUV video signal such as the camera video signal or broadcast video signal of YUV format from a camera or recording medium, receives an RGB-OSD signal from a circuit device (serial interface) of another system different from this YUV video signal, causes a memory within an OSD processor to store the OSD signal, converts an RGB video signal resulting from conversion of the YUV video signal to a panel-matched RGB video signal synchronized with a display synchronization signal, reads a panel-matched RGB OSD signal from the memory of the OSD processor in synchronism with this display synchronization signal, composes those RGB video signal and OSD signal, using an OSD composer, and supplies the resulting RGB composite video signal and the display synchronization signal to a display panel.
REFERENCES:
patent: 5874933 (1999-02-01), Hirai et al.
patent: 6476801 (2002-11-01), Nagai
patent: 6664970 (2003-12-01), Matsushita
Recommendation ITU-R BT.656-4; “Interfaces for Digital Component Video Signals in 525-Line and 625-Line Television Systems Operating at the 4:2:2 Level of Recommendation ITU-R BT.601 (Part A)”; pp. 1-13.
Kasai Naruhiko
Mamba Norio
Shoji Takashi
Hitachi Displays Ltd.
Hsia Sherrie
McDermott Will & Emery LLP
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