AU637041B2 - - Google Patents

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Publication number
AU637041B2
AU637041B2 AU2133892A AU2133892A AU637041B2 AU 637041 B2 AU637041 B2 AU 637041B2 AU 2133892 A AU2133892 A AU 2133892A AU 2133892 A AU2133892 A AU 2133892A AU 637041 B2 AU637041 B2 AU 637041B2
Authority
AU
Australia
Prior art keywords
compensation
fields
syme
focus
film
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 - Lifetime
Application number
AU2133892A
Other languages
English (en)
Other versions
AU637041B3 (en
AU2133892A (en
Inventor
David Rickard Edgar
Ian George Small
Tony Corcoran
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.)
Syme Electronic Communications Pty Ltd
Original Assignee
Syme Electronic Communications Pty Ltd
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 Syme Electronic Communications Pty Ltd filed Critical Syme Electronic Communications Pty Ltd
Priority to AU21338/92A priority Critical patent/AU637041B3/en
Priority claimed from AU21338/92A external-priority patent/AU637041B3/en
Publication of AU2133892A publication Critical patent/AU2133892A/en
Application granted granted Critical
Publication of AU637041B2 publication Critical patent/AU637041B2/en
Publication of AU637041B3 publication Critical patent/AU637041B3/en
Anticipated expiration legal-status Critical
Ceased 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
    • H04N3/26—Modifications of scanning arrangements to improve focusing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/047—Detection, control or error compensation of scanning velocity or position
    • 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
    • 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
    • H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
    • H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
    • H04N3/2335—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements with calculating means
    • 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
    • H04N5/257—Picture signal generators using flying-spot scanners

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
  • Details Of Television Scanning (AREA)
AU21338/92A 1990-08-09 1992-08-27 Telecine chains Ceased AU637041B3 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU21338/92A AU637041B3 (en) 1990-08-09 1992-08-27 Telecine chains

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPK163090 1990-08-09
AUPK1630 1990-08-09
AU21338/92A AU637041B3 (en) 1990-08-09 1992-08-27 Telecine chains

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU81720/91A Division AU651983B2 (en) 1990-08-09 1991-08-09 Telecine chains

Publications (3)

Publication Number Publication Date
AU2133892A AU2133892A (en) 1992-11-05
AU637041B2 true AU637041B2 (fr) 1993-05-13
AU637041B3 AU637041B3 (en) 1993-05-13

Family

ID=

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4164761A (en) * 1977-05-18 1979-08-14 The Rank Organisation Limited Telecine apparatus having improved reproduction during panning and tilting scenes
US4191972A (en) * 1977-01-27 1980-03-04 The Rank Organisation Limited Flying spot single field scan telecine apparatus
US4897729A (en) * 1988-03-07 1990-01-30 Rank Cintel Limited Telecine with electronically variable raster to produce picture effects

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191972A (en) * 1977-01-27 1980-03-04 The Rank Organisation Limited Flying spot single field scan telecine apparatus
US4164761A (en) * 1977-05-18 1979-08-14 The Rank Organisation Limited Telecine apparatus having improved reproduction during panning and tilting scenes
US4897729A (en) * 1988-03-07 1990-01-30 Rank Cintel Limited Telecine with electronically variable raster to produce picture effects

Also Published As

Publication number Publication date
AU2133892A (en) 1992-11-05

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