CA939051A - Electronic zooming in video cameras by control of the deflection system - Google Patents

Electronic zooming in video cameras by control of the deflection system

Info

Publication number
CA939051A
CA939051A CA102846A CA102846A CA939051A CA 939051 A CA939051 A CA 939051A CA 102846 A CA102846 A CA 102846A CA 102846 A CA102846 A CA 102846A CA 939051 A CA939051 A CA 939051A
Authority
CA
Canada
Prior art keywords
control
video cameras
deflection system
electronic zooming
zooming
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
CA102846A
Other languages
English (en)
Other versions
CA102846S (en
Inventor
P. Torok Gabor
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.)
AT&T Corp
Original Assignee
Western Electric Co 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
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA939051A publication Critical patent/CA939051A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
    • H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
    • H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
    • H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
    • H04N3/223—Controlling dimensions
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/222—Studio circuitry; Studio devices; Studio equipment
    • H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
    • H04N5/2628—Alteration of picture size, shape, position or orientation, e.g. zooming, rotation, rolling, perspective, translation

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Details Of Television Scanning (AREA)
CA102846A 1970-05-01 1971-01-15 Electronic zooming in video cameras by control of the deflection system Expired CA939051A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3378470A 1970-05-01 1970-05-01

Publications (1)

Publication Number Publication Date
CA939051A true CA939051A (en) 1973-12-25

Family

ID=21872418

Family Applications (1)

Application Number Title Priority Date Filing Date
CA102846A Expired CA939051A (en) 1970-05-01 1971-01-15 Electronic zooming in video cameras by control of the deflection system

Country Status (8)

Country Link
US (1) US3705328A (de)
JP (1) JPS5347650B1 (de)
BE (1) BE766334A (de)
CA (1) CA939051A (de)
DE (1) DE2121333B2 (de)
FR (1) FR2088265B1 (de)
GB (1) GB1340088A (de)
SE (1) SE379138B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908083A (en) * 1971-07-20 1975-09-23 Matsushita Electric Ind Co Ltd Television receiver
US3879637A (en) * 1972-03-22 1975-04-22 Us Navy Television camera
GB1375645A (de) * 1972-08-25 1974-11-27
JPS5432304B2 (de) * 1974-05-07 1979-10-13
US4002824A (en) * 1976-01-28 1977-01-11 The United States Of America As Represented By The Secretary Of The Navy Selective zoom camera and display
US4231066A (en) * 1979-01-12 1980-10-28 Honeywell Inc. Electronic zoom system improvement
JPS6040752B2 (ja) * 1979-02-05 1985-09-12 株式会社東芝 Ｘ線テレビジヨン装置
DE3150243C2 (de) * 1981-12-18 1984-05-10 Loewe Opta Gmbh, 8640 Kronach Schaltungsanordnung zur wahlweisen relativen Änderung des Bildformates eines Fernsehbildes
US4593311A (en) * 1983-11-30 1986-06-03 Rca Corporation Electrical registration of CCD imagers
IT1215243B (it) * 1985-03-05 1990-01-31 Ates Componenti Elettron Circuito di comando con compensazione delle variazioni di tensione anodica per stadio di deflessione verticale per televisore.
JPH0746833B2 (ja) * 1986-03-11 1995-05-17 キヤノン株式会社 撮像装置
US4722007A (en) * 1986-12-02 1988-01-26 Rca Corporation TV receiver having zoom processing apparatus
US4740839A (en) * 1987-06-12 1988-04-26 Phillips William R TV surveillance system that requires no mechanical motion
US5369341A (en) * 1992-12-11 1994-11-29 Thomson Consumer Electronics, Inc. Vertical retrace with zoom and centered fast retrace
KR960012492B1 (ko) * 1993-11-03 1996-09-20 엘지전자 주식회사 와이드 티브이 수상기의 수직 위치 가변회로
US5781243A (en) * 1995-05-08 1998-07-14 Hughes Electronics Display optimization for night vision enhancement systems
JPH10161703A (ja) * 1996-11-29 1998-06-19 Sony Corp 駆動制御回路、駆動制御方法および電子機器
DE10131239A1 (de) * 2001-06-28 2003-01-16 Deere & Co Rotor

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL291323A (de) * 1962-04-11
US3379833A (en) * 1965-07-08 1968-04-23 Navy Usa Controllable television raster generator
GB1185142A (en) * 1966-02-01 1970-03-18 Rca Corp Vertical Deflection Circuit with High Linearity

Also Published As

Publication number Publication date
DE2121333B2 (de) 1979-08-23
DE2121333A1 (de) 1971-11-11
SE379138B (de) 1975-09-22
US3705328A (en) 1972-12-05
JPS5347650B1 (de) 1978-12-22
GB1340088A (en) 1973-12-05
FR2088265A1 (de) 1972-01-07
FR2088265B1 (de) 1976-02-06
BE766334A (fr) 1971-09-16

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