AU4506193A - Improvements relating to communication systems - Google Patents

Improvements relating to communication systems

Info

Publication number
AU4506193A
AU4506193A AU45061/93A AU4506193A AU4506193A AU 4506193 A AU4506193 A AU 4506193A AU 45061/93 A AU45061/93 A AU 45061/93A AU 4506193 A AU4506193 A AU 4506193A AU 4506193 A AU4506193 A AU 4506193A
Authority
AU
Australia
Prior art keywords
communication systems
improvements relating
relating
systems
communication
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.)
Abandoned
Application number
AU45061/93A
Inventor
Michael Sambrook Birkin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Transportation Systems & Market Research Ltd
Original Assignee
Transportation Systems & Marke
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 Transportation Systems & Marke filed Critical Transportation Systems & Marke
Publication of AU4506193A publication Critical patent/AU4506193A/en
Abandoned legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L15/00—Indicators provided on the vehicle or train for signalling purposes
    • B61L15/009—On-board display devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/081—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division the additional information signals being transmitted by means of a subcarrier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/08—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division
    • H04N7/087—Systems for the simultaneous or sequential transmission of more than one television signal, e.g. additional information signals, the signals occupying wholly or partially the same frequency band, e.g. by time division with signal insertion during the vertical blanking interval only
    • 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

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Train Traffic Observation, Control, And Security (AREA)
AU45061/93A 1992-06-20 1993-06-21 Improvements relating to communication systems Abandoned AU4506193A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9213207 1992-06-20
GB9213207A GB2268024A (en) 1992-06-20 1992-06-20 Rail platform observation system.
PCT/GB1993/001304 WO1994000953A1 (en) 1992-06-20 1993-06-21 Improvements relating to communication systems

Publications (1)

Publication Number Publication Date
AU4506193A true AU4506193A (en) 1994-01-24

Family

ID=10717506

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45061/93A Abandoned AU4506193A (en) 1992-06-20 1993-06-21 Improvements relating to communication systems

Country Status (3)

Country Link
AU (1) AU4506193A (en)
GB (1) GB2268024A (en)
WO (1) WO1994000953A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2418513A (en) * 2004-09-22 2006-03-29 Shih-Hsiung Li A device for ensuring a safe exit from a vehicle
DE602005005053T2 (en) * 2005-09-01 2009-03-12 Alcatel Lucent Method and system for monitoring a vehicle for public passenger transport
US8818583B2 (en) * 2008-04-21 2014-08-26 Mitsubishi Electric Corporation Train crew support device including a door opening-closing device
WO2013086578A1 (en) * 2011-12-15 2013-06-20 Multiskilled Resources Australia Pty Ltd Rail car operating condition and identity monitoring system
CN105781318B (en) 2016-03-10 2017-10-03 中车青岛四方机车车辆股份有限公司 Car's door controlling mthods, systems and devices based on rail vehicle
JP6758203B2 (en) * 2017-01-12 2020-09-23 株式会社日立国際電気 Monitoring system and monitoring method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4269377A (en) * 1978-06-28 1981-05-26 Westinghouse Electric Corp. Door control for train vehicles
JP2528789B2 (en) * 1985-06-26 1996-08-28 中央電子 株式会社 Video information management device
JP2651872B2 (en) * 1989-09-28 1997-09-10 松下電器産業株式会社 CCTV system equipment
DE4207688C1 (en) * 1992-03-11 1993-06-03 Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig Hollaend. Stiftung & Co Kg, 8510 Fuerth, De

Also Published As

Publication number Publication date
GB2268024A (en) 1993-12-22
GB9213207D0 (en) 1992-08-05
WO1994000953A1 (en) 1994-01-06

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