Title:
VIDEO SIGNAL SYNTHESIZER
Document Type and Number:
Japanese Patent JP3850894
Kind Code:
B2
Abstract:
PURPOSE: To display a video image required substantially by the user by utilizing an existing television receiver to the utmost.
CONSTITUTION: A synthesis video signal output circuit 44 is operated in the 'synthesis mode 0' in the usual state, and the user enjoys a reproduced video image and a usual public broadcast of a video recorder 60 by a television receiver 70. When a call ring 66 is operated or a human body sensor 68 senses a human body, power supply to a remote commander transmitter 80 and burglar- proof television cameras 62, 64 is started and a power ON signal and a channel selection signal for displaying a video image from a video image signal output terminal 40 are outputted to the television receiver 70. Then a synthesis video signal output terminal 44 is operated by the 'synthesis mode 1' and the 'synthesis mode 2' to display a video signal from the burglar-proof television camera 64 at an entrance and the burglar-proof television camera 62 at a rear side on an upper left corner and a lower right corner in a small size.
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Inventors:
Hideo Sakamoto
Application Number:
JP28427994A
Publication Date:
November 29, 2006
Filing Date:
October 24, 1994
Export Citation:
Assignee:
Sanyo Bussan Co., Ltd.
International Classes:
H04N7/18; H04N5/45; (IPC1-7): H04N7/18; H04N5/45
Domestic Patent References:
| JP63084284A | ||||
| JP4065989A | ||||
| JP6038212A | ||||
| JP6086289A | ||||
| JP5334863A | ||||
| JP61095683A | ||||
| JP5344508A | ||||
| JP3134799A |
Attorney, Agent or Firm:
Meisei International Patent Office