IT1199875B - Procedimento per la trasmissione di segnali video e trasmettitori e ricevitore utilizzabili nel procedimento - Google Patents

Procedimento per la trasmissione di segnali video e trasmettitori e ricevitore utilizzabili nel procedimento

Info

Publication number
IT1199875B
IT1199875B IT67366/85A IT6736685A IT1199875B IT 1199875 B IT1199875 B IT 1199875B IT 67366/85 A IT67366/85 A IT 67366/85A IT 6736685 A IT6736685 A IT 6736685A IT 1199875 B IT1199875 B IT 1199875B
Authority
IT
Italy
Prior art keywords
procedure
transmitters
transmission
video signals
receiver usable
Prior art date
Application number
IT67366/85A
Other languages
English (en)
Other versions
IT8567366A0 (it
Inventor
Peter Victor Collins
David John Benjamin Pearce
Original Assignee
Gen Electric Co Plc
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 Gen Electric Co Plc filed Critical Gen Electric Co Plc
Publication of IT8567366A0 publication Critical patent/IT8567366A0/it
Application granted granted Critical
Publication of IT1199875B publication Critical patent/IT1199875B/it

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
    • G08B13/19602—Image analysis to detect motion of the intruder, e.g. by frame subtraction
    • 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
    • G08B13/19665—Details related to the storage of video surveillance data
    • G08B13/19676—Temporary storage, e.g. cyclic memory, buffer storage on pre-alarm
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Signal Processing (AREA)
  • Closed-Circuit Television Systems (AREA)
IT67366/85A 1984-04-19 1985-04-18 Procedimento per la trasmissione di segnali video e trasmettitori e ricevitore utilizzabili nel procedimento IT1199875B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8410337 1984-04-19

Publications (2)

Publication Number Publication Date
IT8567366A0 IT8567366A0 (it) 1985-04-18
IT1199875B true IT1199875B (it) 1989-01-05

Family

ID=10559931

Family Applications (1)

Application Number Title Priority Date Filing Date
IT67366/85A IT1199875B (it) 1984-04-19 1985-04-18 Procedimento per la trasmissione di segnali video e trasmettitori e ricevitore utilizzabili nel procedimento

Country Status (2)

Country Link
GB (1) GB2157912B (it)
IT (1) IT1199875B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4918523A (en) * 1987-10-05 1990-04-17 Intel Corporation Digital video formatting and transmission system and method
FR2673060B1 (fr) * 1991-02-19 1993-06-04 Matra Communication Terminal visiophonique.

Also Published As

Publication number Publication date
GB2157912A (en) 1985-10-30
GB2157912B (en) 1987-05-07
IT8567366A0 (it) 1985-04-18
GB8510050D0 (en) 1985-06-26

Similar Documents

Publication Publication Date Title
GB8510416D0 (en) Transmitting stereo audio signals
AU573572B2 (en) Method for the transmission of informations and/or instruct- ions
EP0167850A3 (en) Signal transmission system and method
GB2151439B (en) Sound transmission system
GB2181626B (en) Audio signal transmission system
ES540871A0 (es) Sistema de transmision sincronizado
AU582532B2 (en) Privacy signal transmission system
GB2138248B (en) Near field signal transmission system
GB8405434D0 (en) Video signal transmission
DE3478376D1 (en) Signal transmission and reception system
IT8422011A0 (it) Trasmissione e ricezione di segnali video componenti multiplati.
AU548071B2 (en) Tdm transmitting and receiving sections
IT1199875B (it) Procedimento per la trasmissione di segnali video e trasmettitori e ricevitore utilizzabili nel procedimento
DE68925230D1 (de) Übertrager und Empfänger für Fernsehsignale
GB2166021B (en) Transmitting television signals
GB8405435D0 (en) Video signal transmission
GB2168223B (en) Transmitters and systems for tone-in-band transmission
DE3379313D1 (en) Television transmission system with integrated transmission of additional information, especially sound signals
EP0118123A3 (en) System for the transmission and the reception of digital information signals
IT1235236B (it) Procedimento per la trasmissione protetta di radiosegnali.
EP0149495A3 (en) Signal transmission system
GB2139398B (en) Signal transmitting and/or receiving apparatus
GB2139046B (en) Video signal transmission
YU117484A (en) Light barrier for transmitters and receivers of light signals
BR8503580A (pt) Transmissor de audio para televisores e video-cassetes

Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970430