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1. WO1996003005 - A DEVICE AT TV SURVEILLANCE

Publication Number WO/1996/003005
Publication Date 01.02.1996
International Application No. PCT/SE1995/000863
International Filing Date 14.07.1995
Chapter 2 Demand Filed 14.02.1996
IPC
G08B 15/00 2006.01
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
15Identifying, scaring or incapacitating burglars, thieves or intruders, e.g. by explosives
H04N 7/18 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
18Closed-circuit television systems, i.e. systems in which the signal is not broadcast
CPC
G08B 13/19641
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
189using passive radiation detection systems
194using image scanning and comparing systems
196using television cameras
19639Details of the system layout
19641Multiple cameras having overlapping views on a single scene
H04N 7/181
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
NPICTORIAL COMMUNICATION, e.g. TELEVISION
7Television systems
18Closed circuit television systems, i.e. systems in which the signal is not broadcast
181for receiving images from a plurality of remote sources
Applicants
  • ISEC INTELLIGENT SECURITY AB [SE/SE]; P.O. Box 49 S-263 21 Höganäs, SE (AllExceptUS)
  • BARRINGER, Niklas [SE/SE]; SE (UsOnly)
  • GUNNARSSON, Jan [SE/SE]; SE (UsOnly)
Inventors
  • BARRINGER, Niklas; SE
  • GUNNARSSON, Jan; SE
Agents
  • PETRI, Stellan; Ström & Gulliksson AB P.O. Box 4188 S-203 13 Malmö, SE
Priority Data
9402486-615.07.1994SE
Publication Language English (EN)
Filing Language Swedish (SV)
Designated States
Title
(EN) A DEVICE AT TV SURVEILLANCE
(FR) SYSTEME DE SURVEILLANCE PAR TELEVISION
Abstract
(EN)
A device at TV surveillance comprises TV cameras (1, 2, ...), a video tape recorder (10), a switch device for sorting and transmitting the video signals of the different TV camera to the video tape recorder and a supply device for supplying a drive voltage and a synchronizing signal to each TV camera in the same conduit as the video signals are transmitted from each TV camera. The device has a video guard against the lack of a video signal from any TV camera or that the lens of any TV camera is covered and a synchronizing device for the video tape recorder for any possibly non-functioning TV camera. The switch device, the supply device, the video guard and the synchronizing device are all gathered in a recording unit (9). In this unit there is also a device for allowing the supply to a TV monitor (11) of a video signal from at least one TV camera, at the same time as recording by means of the video tape recorder occurs.
(FR)
Un système de surveillance par TV comprend des télécaméras (1, 2,.....), un magnétoscope (10), un dispositif de commutation pour trier les signaux des différentes télécaméras et les transmette au magnétoscope et une alimentation fournissant une tension d'attaque et des signaux de synchronisation sur les mêmes lignes à mesure que les signaux vidéo sont émis par chaque télécaméra. Le système comporte une protection avertissant de l'absence d'émission de signal vidéo par une télécaméra ou de la couverture de l'objectif, et un dispositif de synchronisation du magnétoscope en cas de défaut de fonctionnement d'une caméra. Le dispositif de commutation, l'alimentation, la protection et le dispositif de synchronisation sont tous regroupés dans une unité d'enregistrement (9) qui comporte en outre un dispositif pouvant transmettre un signal vidéo d'au moins une télécaméra sur un écran TV (10) pendant l'enregistrement sur le magnétoscope.
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