Patent ID: 6633231
Filing Date: 2003-10-14
Classification: G08B,H04M,H04N

Abstract:
A surveillance system comprising:a plurality of portable telephones, at least a first telephone having audio and image transmitting functions and a second telephone having audio and image receiving functions; an image sensor assembly for sensing images within a predetermined image area operatively connected to the first telephone and providing a first output signal upon detection of a predetermined amount of image change in the image area; a target setting unit for setting a predetermined sub-area of the predetermined image area as the area monitored for a predetermined amount of image change in the image area; an infrared detecting unit for detecting infrared rays from the monitored area and separately identifying the presence of a human body and a flame in the monitored area, and providing respective second and third output signals; an auto-dialing instruction originating section operatively connected to the first telephone for calling the second telephone automatically based on the first output signal whereby the second telephone is automatically sent an image of the image area upon the occurrence of the predetermined change in the image area; and a first judging unit for determining when the second and third output signals of the infrared detecting unit indicate an occurrence whereby the auto-dialing instruction originating section is activated to call pre-set telephones.