GB2231234B - Generating picture effects in video signals - Google Patents

Generating picture effects in video signals

Info

Publication number
GB2231234B
GB2231234B GB9011422A GB9011422A GB2231234B GB 2231234 B GB2231234 B GB 2231234B GB 9011422 A GB9011422 A GB 9011422A GB 9011422 A GB9011422 A GB 9011422A GB 2231234 B GB2231234 B GB 2231234B
Authority
GB
United Kingdom
Prior art keywords
video signals
generating picture
picture effects
effects
generating
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 - Fee Related
Application number
GB9011422A
Other versions
GB2231234A (en
GB9011422D0 (en
Inventor
Christopher John Waldron
Michael John Meadows
Jeremy Andrew Rodgers
Ronald Walter John Mumford
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.)
Rank Cintel Ltd
Original Assignee
Rank Cintel 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
Priority claimed from US06/940,562 external-priority patent/US4746985A/en
Application filed by Rank Cintel Ltd filed Critical Rank Cintel Ltd
Publication of GB9011422D0 publication Critical patent/GB9011422D0/en
Publication of GB2231234A publication Critical patent/GB2231234A/en
Application granted granted Critical
Publication of GB2231234B publication Critical patent/GB2231234B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • H04N1/40—Picture signal circuits
    • H04N1/409—Edge or detail enhancement; Noise or error suppression
    • H04N1/4092—Edge or detail enhancement
    • 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
    • H04N1/387—Composing, repositioning or otherwise geometrically modifying originals
    • H04N1/3872—Repositioning or masking
    • H04N1/3873—Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming
    • H04N1/3875—Repositioning or masking defined only by a limited number of coordinate points or parameters, e.g. corners, centre; for trimming combined with enlarging or reducing
    • 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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/205—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic
    • H04N5/208—Circuitry for controlling amplitude response for correcting amplitude versus frequency characteristic for compensating for attenuation of high frequency components, e.g. crispening, aperture distortion correction
    • 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
    • H04N5/253—Picture signal generating by scanning motion picture films or slide opaques, e.g. for telecine
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/11—Scanning of colour motion picture films, e.g. for telecine

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Image Signal Generators (AREA)
GB9011422A 1986-12-11 1990-05-22 Generating picture effects in video signals Expired - Fee Related GB2231234B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/940,562 US4746985A (en) 1985-04-11 1986-12-11 Generating picture effects in video signals
GB8725621A GB2200508B (en) 1986-12-11 1987-11-02 Generating picture effects in video signals

Publications (3)

Publication Number Publication Date
GB9011422D0 GB9011422D0 (en) 1990-07-11
GB2231234A GB2231234A (en) 1990-11-07
GB2231234B true GB2231234B (en) 1991-04-24

Family

ID=26292976

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9011422A Expired - Fee Related GB2231234B (en) 1986-12-11 1990-05-22 Generating picture effects in video signals
GB9011421A Expired - Fee Related GB2233188B (en) 1986-12-11 1990-05-22 Generating picture effects in video signals

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB9011421A Expired - Fee Related GB2233188B (en) 1986-12-11 1990-05-22 Generating picture effects in video signals

Country Status (1)

Country Link
GB (2) GB2231234B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2268023A (en) * 1991-04-16 1993-12-22 Peng Seng Toh A reconfigurable-format image acquisition system
US5680172A (en) * 1992-01-21 1997-10-21 Video Post & Transfer, Inc. Consecutive frame scanning of cinematographic film
GB9410784D0 (en) * 1994-05-28 1994-07-20 Kodak Ltd Image processing
GB2320831B (en) * 1996-12-06 2001-03-28 Innovation Tk Ltd Image processing

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347465A (en) * 1970-09-23 1974-02-27 Ipc Serices Ltd Apparatus for reproducing graphic material
GB2031245A (en) * 1978-09-13 1980-04-16 Rollei Werke Franke Heidecke Apparatus for the reproduction and enlargement of still or moving pictures

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1347465A (en) * 1970-09-23 1974-02-27 Ipc Serices Ltd Apparatus for reproducing graphic material
GB2031245A (en) * 1978-09-13 1980-04-16 Rollei Werke Franke Heidecke Apparatus for the reproduction and enlargement of still or moving pictures

Also Published As

Publication number Publication date
GB2231234A (en) 1990-11-07
GB9011422D0 (en) 1990-07-11
GB9011421D0 (en) 1990-07-11
GB2233188A (en) 1991-01-02
GB2233188B (en) 1991-04-24

Similar Documents

Publication Publication Date Title
EP0272634A3 (en) Video signal generating device
EP0240970A3 (en) Digital video generator
GB2201317B (en) Picture-in-picture video signal generator
EP0249985A3 (en) Video memory
GB8713973D0 (en) Freezing television picture
GB8725442D0 (en) Limiting watching distance in television set
GB2200508B (en) Generating picture effects in video signals
GB8700565D0 (en) Video image enhancement
GB2221813B (en) Improvements in television signals
GB8614977D0 (en) Video images
GB8714797D0 (en) Video reproducing apparatus
GB2225148B (en) Still video apparatus
GB2231234B (en) Generating picture effects in video signals
GB2198008B (en) Limiting component video signals
GB2232033B (en) Improvements in or relating to the syncronization of video signals
EP0235947A3 (en) Video display unit
EP0260658A3 (en) Television signal generator
GB8824233D0 (en) Picture hookplate
GB8701684D0 (en) Video recorder
GB8619559D0 (en) Video apparatus
GR880100325A (en) Raster picture generator
SG80394G (en) Picture-in picture video signal generator
GB8703497D0 (en) Television pictures
GB8922759D0 (en) Video apparatus
GB8603143D0 (en) Television cameras

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20041102