Surveillance video camera

Details Surveillance video camera Surveillance video camera

H - Electricity

04

N

H04N 7/18 (2006.01) G03B 41/00 (2006.01) H04N 5/235 (2006.01) H04N 5/238 (2006.01) H04N 5/243 (2006.01)

Patent

CA 2482146

Herein disclosed is a surveillance video camera to be operative in combination with a surveillance system for watching an object having a light produced thereon, comprising; imaging information producing means for producing image information indicative of the object; video signal producing means for producing a video signal on the basis of the image information produced by the image information producing means; and controlling means for controlling each of the imaging information producing means and the video signal producing means to ensure that the object is watched by the surveillance system through the video signal produced by the video signal producing means, wherein the image information producing means includes: an optical section having passed therethrough the light to be provided as an image indicative of the object; a converting section having a sensitivity to the light, the converting section being constituted by a plurality of pixel units to be exposed to the light provided through the optical section over an exposure period to sense the image; and a plurality of sensitivity enhancing unit each for enhancing the sensitivity of the converting section to have the converting section sense the image, and the controlling means includes an executing section for allowing the sensitivity enhancing unit to start in a predetermined sequence to enhance the sensitivity of the converting section, and to stop in an inverse order of the predetermined sequence enhancing the sensitivity of the converting section.

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