ATE131329T1 - Schaltung mit auswählbaren übertragungseigenschaften. - Google Patents

Schaltung mit auswählbaren übertragungseigenschaften.

Info

Publication number
ATE131329T1
ATE131329T1 AT91303760T AT91303760T ATE131329T1 AT E131329 T1 ATE131329 T1 AT E131329T1 AT 91303760 T AT91303760 T AT 91303760T AT 91303760 T AT91303760 T AT 91303760T AT E131329 T1 ATE131329 T1 AT E131329T1
Authority
AT
Austria
Prior art keywords
transfer function
family
circuit
transmission characteristics
functions
Prior art date
Application number
AT91303760T
Other languages
English (en)
Inventor
Joel Walter Zdepski
James John Gibson
Original Assignee
Rca Thomson Licensing Corp
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 Rca Thomson Licensing Corp filed Critical Rca Thomson Licensing Corp
Application granted granted Critical
Publication of ATE131329T1 publication Critical patent/ATE131329T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/12—Systems in which the television signal is transmitted via one channel or a plurality of parallel channels, the bandwidth of each channel being less than the bandwidth of the television signal
    • 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

Landscapes

  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Engineering & Computer Science (AREA)
  • Picture Signal Circuits (AREA)
  • Networks Using Active Elements (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Peptides Or Proteins (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Feedback Control In General (AREA)
  • Transmitters (AREA)
  • Complex Calculations (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Control Of El Displays (AREA)
  • Studio Circuits (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Electrotherapy Devices (AREA)
  • Dram (AREA)
  • Filters And Equalizers (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT91303760T 1990-05-03 1991-04-25 Schaltung mit auswählbaren übertragungseigenschaften. ATE131329T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US51834690A 1990-05-03 1990-05-03
US07/630,606 US5258928A (en) 1990-05-03 1990-12-20 Parts efficient memory based functional circuit having selectable transfer characteristics

Publications (1)

Publication Number Publication Date
ATE131329T1 true ATE131329T1 (de) 1995-12-15

Family

ID=27059421

Family Applications (1)

Application Number Title Priority Date Filing Date
AT91303760T ATE131329T1 (de) 1990-05-03 1991-04-25 Schaltung mit auswählbaren übertragungseigenschaften.

Country Status (13)

Country Link
US (1) US5258928A (de)
EP (1) EP0455426B1 (de)
JP (1) JP3208711B2 (de)
KR (1) KR100227245B1 (de)
CN (1) CN1030028C (de)
AT (1) ATE131329T1 (de)
CA (1) CA2040760C (de)
DE (1) DE69115111T2 (de)
ES (1) ES2080896T3 (de)
FI (1) FI912127A (de)
MY (1) MY112550A (de)
PT (1) PT97557B (de)
TR (1) TR26793A (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2924079B2 (ja) * 1990-05-14 1999-07-26 ソニー株式会社 ガンマ補正回路
US5357278A (en) * 1993-01-14 1994-10-18 Sony Electronics, Inc. Integrated linear/non-linear static and controllable dynamic companding
US6285710B1 (en) 1993-10-13 2001-09-04 Thomson Licensing S.A. Noise estimation and reduction apparatus for video signal processing
BE1007777A3 (nl) * 1993-11-23 1995-10-17 Philips Electronics Nv Niet-lineaire signaalverwerking.
CN102177539B (zh) * 2008-10-14 2014-07-23 杜比实验室特许公司 用于处理信号的设备和方法
MX2013004826A (es) * 2010-11-02 2013-06-03 I Ces Innovative Compression Engineering Solutions Metodo para comprimir valores digitales de archivos de imagen, audio y/o video.
US10244245B2 (en) * 2015-06-08 2019-03-26 Qualcomm Incorporated Content-adaptive application of fixed transfer function to high dynamic range (HDR) and/or wide color gamut (WCG) video data
US11245901B2 (en) * 2017-10-04 2022-02-08 Panasonic Intellectual Property Management Co., Ltd. Video signal processing device, video display system, and video signal processing method
JP7186374B2 (ja) 2017-10-04 2022-12-09 パナソニックＩｐマネジメント株式会社 映像信号処理装置、映像表示システム、及び映像信号処理方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4212072A (en) * 1978-03-07 1980-07-08 Hughes Aircraft Company Digital scan converter with programmable transfer function
US4187519A (en) * 1978-08-17 1980-02-05 Rockwell International Corporation System for expanding the video contrast of an image
IL58119A (en) * 1979-08-27 1983-03-31 Yeda Res & Dev Histogram image enhancement system
JPS5661873A (en) * 1979-10-25 1981-05-27 Sony Corp Digital video signal processor
NL190093C (nl) * 1979-12-17 1993-10-18 Victor Company Of Japan Comprimeer- en expandeerstelsel.
US4335427A (en) * 1980-04-21 1982-06-15 Technicare Corporation Method of selecting a preferred difference image
US4445138A (en) * 1981-12-21 1984-04-24 Hughes Aircraft Company Real time dynamic range compression for image enhancement
US4435792A (en) * 1982-06-30 1984-03-06 Sun Microsystems, Inc. Raster memory manipulation apparatus
US4516167A (en) * 1982-11-30 1985-05-07 Rca Corporation Compression of the dynamic range of video signals
US4518994A (en) * 1982-12-20 1985-05-21 Rca Corporation Communication system compandor
JPS59163953A (ja) * 1983-03-08 1984-09-17 Canon Inc 画像処理装置
JPS59181876A (ja) * 1983-03-31 1984-10-16 Toshiba Corp 映像信号補正装置
US4575749A (en) * 1983-07-28 1986-03-11 Rca Corporation Component companding in a multiplexed component system
US4621290A (en) * 1984-04-12 1986-11-04 Rca Corporation Piecewise linear digital signal processor as for digital video vertical detail processing
US4771192A (en) * 1986-11-14 1988-09-13 The Grass Valley Group, Inc. Digital clip and gain circuit
GB2203012B (en) * 1987-03-30 1991-02-20 Sony Corp Differential pulse code modulation
JP2521183Y2 (ja) * 1987-09-29 1996-12-25 ソニー株式会社 ディジタル信号処理回路

Also Published As

Publication number Publication date
EP0455426A3 (en) 1992-03-11
PT97557B (pt) 1998-11-30
FI912127A0 (fi) 1991-05-02
EP0455426B1 (de) 1995-12-06
CA2040760C (en) 1998-06-30
EP0455426A2 (de) 1991-11-06
PT97557A (pt) 1993-05-31
JP3208711B2 (ja) 2001-09-17
CN1056204A (zh) 1991-11-13
KR910021155A (ko) 1991-12-20
MY112550A (en) 2001-07-31
KR100227245B1 (ko) 1999-11-01
US5258928A (en) 1993-11-02
CN1030028C (zh) 1995-10-11
JPH05346803A (ja) 1993-12-27
DE69115111T2 (de) 1996-07-11
DE69115111D1 (de) 1996-01-18
CA2040760A1 (en) 1991-11-04
ES2080896T3 (es) 1996-02-16
TR26793A (tr) 1994-08-08
FI912127A (fi) 1991-11-04

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee