GB2240001B - Film characteristic simulator - Google Patents

Film characteristic simulator

Info

Publication number
GB2240001B
GB2240001B GB9000889A GB9000889A GB2240001B GB 2240001 B GB2240001 B GB 2240001B GB 9000889 A GB9000889 A GB 9000889A GB 9000889 A GB9000889 A GB 9000889A GB 2240001 B GB2240001 B GB 2240001B
Authority
GB
United Kingdom
Prior art keywords
film characteristic
characteristic simulator
simulator
film
characteristic
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
GB9000889A
Other versions
GB2240001A (en
GB9000889D0 (en
Inventor
Terrence William Mead
Delemos Richard Brooks
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
Application filed by Rank Cintel Ltd filed Critical Rank Cintel Ltd
Priority to GB9000889A priority Critical patent/GB2240001B/en
Publication of GB9000889D0 publication Critical patent/GB9000889D0/en
Priority to PCT/GB1990/001769 priority patent/WO1991011071A1/en
Publication of GB2240001A publication Critical patent/GB2240001A/en
Application granted granted Critical
Publication of GB2240001B publication Critical patent/GB2240001B/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
    • H04N5/00—Details of television systems
    • H04N5/14—Picture signal circuitry for video frequency region
    • H04N5/20—Circuitry for controlling amplitude response
    • H04N5/202—Gamma control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Processing Of Color Television Signals (AREA)
GB9000889A 1990-01-16 1990-01-16 Film characteristic simulator Expired - Fee Related GB2240001B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB9000889A GB2240001B (en) 1990-01-16 1990-01-16 Film characteristic simulator
PCT/GB1990/001769 WO1991011071A1 (en) 1990-01-16 1990-11-16 Film characteristic simulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9000889A GB2240001B (en) 1990-01-16 1990-01-16 Film characteristic simulator

Publications (3)

Publication Number Publication Date
GB9000889D0 GB9000889D0 (en) 1990-03-14
GB2240001A GB2240001A (en) 1991-07-17
GB2240001B true GB2240001B (en) 1993-12-22

Family

ID=10669330

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9000889A Expired - Fee Related GB2240001B (en) 1990-01-16 1990-01-16 Film characteristic simulator

Country Status (2)

Country Link
GB (1) GB2240001B (en)
WO (1) WO1991011071A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5680172A (en) * 1992-01-21 1997-10-21 Video Post & Transfer, Inc. Consecutive frame scanning of cinematographic film
US5349546A (en) * 1992-06-01 1994-09-20 Eastman Kodak Company Method and apparatus for non-linear signal processing with reduced upper harmonic components
DE19714886B4 (en) * 1996-04-10 2007-10-11 Bts Holding International B.V. Video signal processing circuit

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009557A (en) * 1977-11-28 1979-06-13 Philips Nv Gamma correction for television

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1251370B (en) * 1967-10-05
JP2605780B2 (en) * 1988-02-13 1997-04-30 ソニー株式会社 Gamma correction circuit for luminance signal

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2009557A (en) * 1977-11-28 1979-06-13 Philips Nv Gamma correction for television

Also Published As

Publication number Publication date
GB2240001A (en) 1991-07-17
GB9000889D0 (en) 1990-03-14
WO1991011071A1 (en) 1991-07-25

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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: 20020116