Title: Video display apparatus and method of preventing inadvertent switch-off of light source therein
Application Number: 98121368 Application Date: 1998.10.14
Publication Number: 1216426 Publication Date: 1999.05.12
Approval Pub. Date: 2004.03.24 Granted Pub. Date: 2004.03.24
International Classifi-cation: H04N5/74
Applicant(s) Name: Sony Corp. Address:
Inventor(s) Name: Kunio Hakamada;Osamu Sugiyama;Genichiro Kuboji
Attorney & Agent: chen jingjun
Abstract:
    A video display apparatus comprising a video display device for visually presenting a video image thereon; a light source turned on by discharge and displaying the video image, which is being presented visually on the video display device, on a screen by irradiation of light; and a system controller for putting out the light source after a lapse of a predetermined delay time from input of a command to switch off a power source. There is also provided a method of preventing inadvertent switch-off of the light source in such a video display apparatus. Even if the power source is switched off inadvertently, the light source is not put out at once and the video image can still be displayed continuously thereon by switching on a power key immediately within the predetermined delay time.
Time: 25