SE9402486L - Device for TV monitoring - Google Patents

Device for TV monitoring

Info

Publication number
SE9402486L
SE9402486L SE9402486A SE9402486A SE9402486L SE 9402486 L SE9402486 L SE 9402486L SE 9402486 A SE9402486 A SE 9402486A SE 9402486 A SE9402486 A SE 9402486A SE 9402486 L SE9402486 L SE 9402486L
Authority
SE
Sweden
Prior art keywords
camera
video
tape recorder
synchronizing
video tape
Prior art date
Application number
SE9402486A
Other languages
Swedish (sv)
Other versions
SE9402486D0 (en
SE503082C2 (en
Inventor
Niklas Barringer
Jan Gunnarsson
Original Assignee
Isec Intelligent Security Ab
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Isec Intelligent Security Ab filed Critical Isec Intelligent Security Ab
Priority to SE9402486A priority Critical patent/SE503082C2/en
Publication of SE9402486D0 publication Critical patent/SE9402486D0/en
Priority to PCT/SE1995/000863 priority patent/WO1996003005A1/en
Priority to AU29966/95A priority patent/AU2996695A/en
Publication of SE9402486L publication Critical patent/SE9402486L/en
Publication of SE503082C2 publication Critical patent/SE503082C2/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
    • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
    • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
    • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
    • G08B13/19639—Details of the system layout
    • G08B13/19641—Multiple cameras having overlapping views on a single scene
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
    • H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)

Abstract

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.
SE9402486A 1994-07-15 1994-07-15 Device for TV monitoring SE503082C2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9402486A SE503082C2 (en) 1994-07-15 1994-07-15 Device for TV monitoring
PCT/SE1995/000863 WO1996003005A1 (en) 1994-07-15 1995-07-14 A device at tv surveillance
AU29966/95A AU2996695A (en) 1994-07-15 1995-07-14 A device at tv surveillance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402486A SE503082C2 (en) 1994-07-15 1994-07-15 Device for TV monitoring

Publications (3)

Publication Number Publication Date
SE9402486D0 SE9402486D0 (en) 1994-07-15
SE9402486L true SE9402486L (en) 1996-01-16
SE503082C2 SE503082C2 (en) 1996-03-18

Family

ID=20394734

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402486A SE503082C2 (en) 1994-07-15 1994-07-15 Device for TV monitoring

Country Status (3)

Country Link
AU (1) AU2996695A (en)
SE (1) SE503082C2 (en)
WO (1) WO1996003005A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29608957U1 (en) * 1996-05-18 1996-10-31 Dallmeier Electronic Gmbh Video surveillance system
GB2319422B (en) * 1996-11-16 2000-10-18 Christopher Malcolm Hall Multiplexing apparatus for video recording system
GB2318013B (en) * 1997-11-20 1998-08-26 Christopher Malcolm Hall Video multiplexers
JP2001036893A (en) * 1999-07-19 2001-02-09 Matsushita Electric Ind Co Ltd Monitor system
US6985603B2 (en) 2001-08-13 2006-01-10 Koninklijke Philips Electronics N.V. Method and apparatus for extending video content analysis to multiple channels

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2082869B (en) * 1980-08-22 1984-08-30 Shorrock Security Systems Ltd Closed-circuit television surveillance system
DE3333078A1 (en) * 1983-09-14 1985-03-21 Atis Assmann GmbH, 6380 Bad Homburg VIDEO SURVEILLANCE
FR2558286B1 (en) * 1984-01-17 1986-05-23 Verger Delporte Ste Nle Jules MULTIPLE OBSERVATION SOURCE SWITCHED MONITORING SYSTEM

Also Published As

Publication number Publication date
AU2996695A (en) 1996-02-16
SE9402486D0 (en) 1994-07-15
SE503082C2 (en) 1996-03-18
WO1996003005A1 (en) 1996-02-01

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