DISPLAY SYSTEM SWITCHING APPARATUS, DISPLAY SYSTEM SWITCHING METHOD, DISPLAY SYSTEM SWITCHING PROGRAM, AND COMPUTER READABLE STORING MEDIUM STORING THAT PROGRAM THEREIN

WIPO Patent Application WO/2005/116975

A1

In a case of connecting a computer (11) to a television receiver (12) for use, when a DVD reproduction or video game is started, a device driver (16) detects a call from an application (13,14) to an API (18,19) in an OS (15), and the output system for the television receiver (12) is switched to an over-scan, thereby over-scan displaying moving images or video game on the television receiver (12). When the DVD reproduction or video game is terminated, the device driver (16) detects a call to the API (18,19) for releasing the resources, and the output system is returned to an under-scan, thereby under-scan displaying a computer screen on the television receiver (12). As a result, the display system of a television receiver can be automatically switched between over-scan and under-scan in accordance with the contents on the screen.

ISHII KEITA (JP)
OIE MASAKI (JP)
TAKEDA YASUMASA (JP)

PCT/JP2005/009657

December 08, 2005

May 26, 2005

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LENOVO SINGAPORE PTE LTD (SG)
ISHII KEITA (JP)
OIE MASAKI (JP)
TAKEDA YASUMASA (JP)

G06F3/14; G06F19/00; G09G1/16; G09G5/00; G09G5/391; H04N3/27; H04N5/44; (IPC1-7): G09G5/00; G09G1/16; H04N5/44

JP2002341843A	2002-11-29
JP2002006818A	2002-01-11
JP2003157263A	2003-05-30
JPS61176973A	1986-08-08

KONISHI K.: "Gashitsu Taiketsu! Down-Scan Converter.", DDS/V MAGAZINE., vol. 13, no. 3, 15 February 2004 (2004-02-15), pages 121 - 128, XP002996628

Ueba, Hidetoshi (4th Fl. Kadono Bldg., 2-1, Tenma 2-chome, Kita-k, Osaka-shi Osaka 43, JP)

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