CA1126396A - Threshold selection circuit - Google Patents

Threshold selection circuit

Info

Publication number
CA1126396A
CA1126396A CA320,099A CA320099A CA1126396A CA 1126396 A CA1126396 A CA 1126396A CA 320099 A CA320099 A CA 320099A CA 1126396 A CA1126396 A CA 1126396A
Authority
CA
Canada
Prior art keywords
video
selection circuit
threshold
threshold selection
integrator
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.)
Expired
Application number
CA320,099A
Other languages
English (en)
French (fr)
Inventor
Lindert Los
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.)
Thales Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Application granted granted Critical
Publication of CA1126396A publication Critical patent/CA1126396A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782—Systems for determining direction or deviation from predetermined direction
    • G01S3/785—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786—Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically
    • G01S3/7864—T.V. type tracking systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Picture Signal Circuits (AREA)
  • Closed-Circuit Television Systems (AREA)
  • Electronic Switches (AREA)
  • Studio Circuits (AREA)
  • Image Analysis (AREA)
CA320,099A 1978-02-16 1979-01-23 Threshold selection circuit Expired CA1126396A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL7801727A NL7801727A (nl) 1978-02-16 1978-02-16 Drempelspanningsselectieschakeling.
NL7801727 1978-02-16

Publications (1)

Publication Number Publication Date
CA1126396A true CA1126396A (en) 1982-06-22

Family

ID=19830339

Family Applications (1)

Application Number Title Priority Date Filing Date
CA320,099A Expired CA1126396A (en) 1978-02-16 1979-01-23 Threshold selection circuit

Country Status (8)

Country Link
US (1) US4268863A (enExample)
EP (1) EP0003852B1 (enExample)
JP (1) JPS54117629A (enExample)
AU (1) AU523804B2 (enExample)
CA (1) CA1126396A (enExample)
DE (1) DE2961378D1 (enExample)
NL (1) NL7801727A (enExample)
NO (1) NO149980C (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320515B2 (en) 2006-08-24 2012-11-27 Westinghouse Electric Sweden Ab Water reactor fuel cladding tube

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2538654B1 (fr) * 1979-09-21 1988-12-09 Emi Ltd Procede et appareil pour la commande des niveaux de gris representes par un signal video
US4388646A (en) * 1981-06-04 1983-06-14 Rca Corporation Low-distortion detection of pulses superimposed on an unknown and variable background signal
US4394656A (en) * 1981-09-24 1983-07-19 Goettsche Mark T Sound display apparatus having separation control
JPS58164387A (ja) * 1982-03-24 1983-09-29 Casio Comput Co Ltd 映像信号ａ−ｄ変換装置
JPS60105972A (ja) * 1983-11-15 1985-06-11 Iwatsu Electric Co Ltd アナログ信号測定装置
JPS6337858U (enExample) * 1986-08-28 1988-03-11
GB8905926D0 (en) * 1989-03-15 1990-04-25 British Aerospace Target aim point location
WO1994017636A1 (en) * 1993-01-29 1994-08-04 Bell Communications Research, Inc. Automatic tracking camera control system
GB2323493A (en) * 1997-02-25 1998-09-23 British Broadcasting Corp Quantisation for compression systems
US20050007452A1 (en) * 2001-09-07 2005-01-13 Mckay Therman Ward Video analyzer
WO2003030103A1 (en) * 2001-09-07 2003-04-10 Intergraph Hardware Technologies Company Concealed object recognition
ES2320005T3 (es) * 2003-11-18 2009-05-18 Intergraph Software Technologies Company Video vigilancia digital.
GB2476800A (en) 2010-01-07 2011-07-13 Linear Algebra Technologies Ltd Sparse matrix vector multiplier using a bit map of non-zero elements to control scheduling of arithmetic operations
CN113160508B (zh) * 2021-02-28 2022-06-21 宁波工程学院 一种基于人工智能的房车夜间安防系统及方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041469A (en) * 1960-03-07 1962-06-26 Arthur H Ross Translating circuit producing output only when input is between predetermined levels utilizing different breakdown diodes
US3495081A (en) * 1967-09-22 1970-02-10 Dean L Mensa Real-time median computing system
GB1277013A (en) * 1968-05-01 1972-06-07 Image Analysing Computers Ltd Improvements in or relating to detection devices for scanning systems
US3988534A (en) * 1969-07-28 1976-10-26 Northrop Corporation Electro-optical tracking computer utilizing television camera
FR2077475B1 (enExample) * 1969-12-31 1976-07-23 Radiotechnique Compelec
US3710011A (en) * 1970-12-04 1973-01-09 Computer Image Corp System for automatically producing a color display of a scene from a black and white representation of the scene
GB1391452A (en) * 1971-04-21 1975-04-23 Image Analysing Computers Ltd Method and circuit arrangement for amplitude correction of a video signal obtained by line scanning
US3903357A (en) * 1971-12-06 1975-09-02 Westinghouse Electric Corp Adaptive gate video gray level measurement and tracker
US3790706A (en) * 1972-05-25 1974-02-05 Boeing Co Automatic video contrast control circuit
US4044352A (en) * 1974-12-23 1977-08-23 Hughes Aircraft Company Signal processor
DE2547798B2 (de) * 1975-10-25 1978-09-07 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Einrichtung zur Erkennung und Verfolgung eines Zieles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8320515B2 (en) 2006-08-24 2012-11-27 Westinghouse Electric Sweden Ab Water reactor fuel cladding tube

Also Published As

Publication number Publication date
NO149980B (no) 1984-04-16
EP0003852A1 (en) 1979-09-05
JPS54117629A (en) 1979-09-12
NO790282L (no) 1979-08-17
US4268863A (en) 1981-05-19
EP0003852B1 (en) 1981-11-25
JPS6125275B2 (enExample) 1986-06-14
DE2961378D1 (en) 1982-01-28
NL7801727A (nl) 1979-08-20
AU4360479A (en) 1979-08-23
AU523804B2 (en) 1982-08-19
NO149980C (no) 1984-07-25

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Legal Events

Date Code Title Description
MKEX Expiry