JPH02109198A - Multiple point monitoring device - Google Patents

Multiple point monitoring device

Info

Publication number
JPH02109198A
JPH02109198A JP26053688A JP26053688A JPH02109198A JP H02109198 A JPH02109198 A JP H02109198A JP 26053688 A JP26053688 A JP 26053688A JP 26053688 A JP26053688 A JP 26053688A JP H02109198 A JPH02109198 A JP H02109198A
Authority
JP
Grant status
Application
Patent type
Prior art keywords
signal
video signal
sw
synchronizing
video
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
JP26053688A
Inventor
Kenji Saito
Original Assignee
Canon Inc
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

Links

Abstract

PURPOSE: To reduce a cost by reducing the mumber of transmission lines by providing plural TV cameras arranged at plural monitoring points, and a means to send video signal selectively from the TV camera together with an identification signal.
CONSTITUTION: Identification code attaching devices 14-16 are connected to the TV cameras 11-13, respectively, and an (identification code + video signal) is sent from each camera to each input terminal of a matrix switch(SW) 21. A synchronizing and separator circuit 22 separates a synchronizing signal from the video signal from the output terminal of the SW 21, and inputs it to a genlock circuit 24 together with a reference signal S2 arriving from a control signal generator 23. The circuit 24 performs the phase synchronization of the signal S2 from the generator 23 with the synchronizing signal separated from the video signal, and locks the video signals of the cameras 11-13 with the signal S2 completely. In such a way, the timing of a control signal S1 to switch the SW 21 can surely be performed by the end timing of the video signal, and the signal can be transmitted via one transmission line 30.
COPYRIGHT: (C)1990,JPO&Japio
JP26053688A 1988-10-18 1988-10-18 Multiple point monitoring device Pending JPH02109198A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP26053688A JPH02109198A (en) 1988-10-18 1988-10-18 Multiple point monitoring device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP26053688A JPH02109198A (en) 1988-10-18 1988-10-18 Multiple point monitoring device

Publications (1)

Publication Number Publication Date
JPH02109198A true true JPH02109198A (en) 1990-04-20

Family

ID=17349327

Family Applications (1)

Application Number Title Priority Date Filing Date
JP26053688A Pending JPH02109198A (en) 1988-10-18 1988-10-18 Multiple point monitoring device

Country Status (1)

Country Link
JP (1) JPH02109198A (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150212A (en) * 1989-12-31 1992-09-22 Samsung Electronics Co., Ltd. Control system for recording and reproducing a plurality of video signals
US5335014A (en) * 1992-09-24 1994-08-02 Elbex Video, Ltd. Method and apparatus for remote synchronous switching of video transmitters
US5412708A (en) * 1993-03-12 1995-05-02 Katz; Ronald A. Videophone system for scrutiny monitoring with computer control
JPH0842867A (en) * 1994-08-01 1996-02-16 Dairin Shoji:Kk Manufacture of panel heater
WO1997003524A1 (en) * 1995-07-11 1997-01-30 Ultrak, Inc. Video multiplexer
US5825411A (en) * 1996-08-26 1998-10-20 Ultrak, Inc. Video signal routing system
US5870139A (en) * 1995-08-28 1999-02-09 Ultrak, Inc. Method and system for video multiplexing
US5903308A (en) * 1996-08-26 1999-05-11 Ultrak, Inc. Phase compensation for video cameras
US5995140A (en) * 1995-08-28 1999-11-30 Ultrak, Inc. System and method for synchronization of multiple video cameras
US6008867A (en) * 1996-08-26 1999-12-28 Ultrak, Inc. Apparatus for control of multiplexed video system
US7269477B2 (en) 2002-03-18 2007-09-11 Sony Corporation Image transmission device and method, transmitting device and method, receiving device and method, and robot apparatus
JP2009058184A (en) * 2007-08-31 2009-03-19 Daiwa Seiko Inc Arrow

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5150212A (en) * 1989-12-31 1992-09-22 Samsung Electronics Co., Ltd. Control system for recording and reproducing a plurality of video signals
US5335014A (en) * 1992-09-24 1994-08-02 Elbex Video, Ltd. Method and apparatus for remote synchronous switching of video transmitters
US5412708A (en) * 1993-03-12 1995-05-02 Katz; Ronald A. Videophone system for scrutiny monitoring with computer control
JPH0842867A (en) * 1994-08-01 1996-02-16 Dairin Shoji:Kk Manufacture of panel heater
WO1997003524A1 (en) * 1995-07-11 1997-01-30 Ultrak, Inc. Video multiplexer
US6025874A (en) * 1995-07-11 2000-02-15 Ultrak, Inc. Video multiplexer
US5995140A (en) * 1995-08-28 1999-11-30 Ultrak, Inc. System and method for synchronization of multiple video cameras
US5870139A (en) * 1995-08-28 1999-02-09 Ultrak, Inc. Method and system for video multiplexing
US5903308A (en) * 1996-08-26 1999-05-11 Ultrak, Inc. Phase compensation for video cameras
US6008867A (en) * 1996-08-26 1999-12-28 Ultrak, Inc. Apparatus for control of multiplexed video system
US5825411A (en) * 1996-08-26 1998-10-20 Ultrak, Inc. Video signal routing system
US7269477B2 (en) 2002-03-18 2007-09-11 Sony Corporation Image transmission device and method, transmitting device and method, receiving device and method, and robot apparatus
US7269478B2 (en) 2002-03-18 2007-09-11 Sony Corporation Image transmission device and method, transmitting device and method, receiving device and method, and robot apparatus
US7346430B2 (en) 2002-03-18 2008-03-18 Sony Corporation Image transmission device and method, transmitting device and method, receiving device and method, and robot apparatus
JP2009058184A (en) * 2007-08-31 2009-03-19 Daiwa Seiko Inc Arrow

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