FI932849A - Olinjaerfoerbehandling foer videosignaler - Google Patents

Olinjaerfoerbehandling foer videosignaler Download PDF

Info

Publication number
FI932849A
FI932849A FI932849A FI932849A FI932849A FI 932849 A FI932849 A FI 932849A FI 932849 A FI932849 A FI 932849A FI 932849 A FI932849 A FI 932849A FI 932849 A FI932849 A FI 932849A
Authority
FI
Finland
Prior art keywords
pct
subcarrier
signal
sec
date
Prior art date
Application number
FI932849A
Other languages
English (en)
Other versions
FI932849A0 (fi
Inventor
Brian Herbert Beech
Original Assignee
Nat Transcommunications 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 Nat Transcommunications Ltd filed Critical Nat Transcommunications Ltd
Publication of FI932849A0 publication Critical patent/FI932849A0/fi
Publication of FI932849A publication Critical patent/FI932849A/fi

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
    • H04N5/21—Circuitry for suppressing or minimising disturbance, e.g. moiré or halo
    • 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
    • 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
    • H04N7/00—Television systems
    • H04N7/015—High-definition television systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N11/00—Colour television systems
    • H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
    • H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
    • H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
    • H04N11/16—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system the chrominance signal alternating in phase, e.g. PAL-system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/38—Transmitter circuitry for the transmission of television signals according to analogue transmission standards

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Signal Processing For Recording (AREA)
  • Processing Of Color Television Signals (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Color Television Systems (AREA)
  • Endoscopes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Studio Devices (AREA)
FI932849A 1990-12-20 1993-06-18 Olinjaerfoerbehandling foer videosignaler FI932849A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB909027598A GB9027598D0 (en) 1990-12-20 1990-12-20 Compatible non linear pre-emphasis for composite video signals
PCT/GB1991/002288 WO1992011732A1 (en) 1990-12-20 1991-12-20 Compatible non linear pre-emphasis for composite video signals

Publications (2)

Publication Number Publication Date
FI932849A0 FI932849A0 (fi) 1993-06-18
FI932849A true FI932849A (fi) 1993-08-04

Family

ID=10687293

Family Applications (1)

Application Number Title Priority Date Filing Date
FI932849A FI932849A (fi) 1990-12-20 1993-06-18 Olinjaerfoerbehandling foer videosignaler

Country Status (11)

Country Link
US (1) US5629742A (fi)
EP (1) EP0563167B1 (fi)
JP (1) JPH06504657A (fi)
AT (1) ATE157496T1 (fi)
AU (1) AU657938B2 (fi)
CA (1) CA2099131A1 (fi)
DE (1) DE69127461T2 (fi)
FI (1) FI932849A (fi)
GB (1) GB9027598D0 (fi)
HK (1) HK1002442A1 (fi)
WO (1) WO1992011732A1 (fi)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1327076A (fr) * 1962-03-12 1963-05-17 Cft Comp Fse Television Perfectionnement aux dispositifs de transmission de signaux video
NL294059A (fi) * 1962-06-18
US4200889A (en) * 1976-12-27 1980-04-29 Basf Aktiengesellschaft Complementary pre-emphasis and de-emphasis circuits for a video signal transfer channel
JPS6030295A (ja) * 1983-07-29 1985-02-15 Victor Co Of Japan Ltd 搬送色信号の記録再生装置
JPS60153061U (ja) * 1984-03-21 1985-10-12 パイオニア株式会社 ノイズ除去回路
US4684983A (en) * 1986-07-31 1987-08-04 Rca Corporation Non-linear processor for reducing the dynamic range of a digitized error signal
GB2203917B (en) * 1987-03-27 1991-10-30 Roger Neil Robinson Improved encoder for television signals
GB8707533D0 (en) * 1987-03-30 1987-05-07 Indep Broadcasting Authority Pre-emphasis for(mac)television signal
US4922331A (en) * 1987-06-23 1990-05-01 Sony Corporation Color video signal reproducing apparatus having trap circuit and comb-filter for filtering a chrominance signal band of a wide band luminance signal
US4918515A (en) * 1988-06-20 1990-04-17 Faroudja Y C Compatible television transmission system with separate preemphasis path within single channel
US5225910A (en) * 1990-11-20 1993-07-06 Nippon Television Network Corporation Adaptive operation type low noise television system

Also Published As

Publication number Publication date
ATE157496T1 (de) 1997-09-15
DE69127461T2 (de) 1998-03-26
HK1002442A1 (en) 1998-08-21
US5629742A (en) 1997-05-13
EP0563167B1 (en) 1997-08-27
AU657938B2 (en) 1995-03-30
CA2099131A1 (en) 1992-06-21
FI932849A0 (fi) 1993-06-18
DE69127461D1 (de) 1997-10-02
AU9119591A (en) 1992-07-22
JPH06504657A (ja) 1994-05-26
EP0563167A1 (en) 1993-10-06
WO1992011732A1 (en) 1992-07-09
GB9027598D0 (en) 1991-02-13

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