FI76471B - Progressivt svepande faergtelevisionsaotergivningsapparat. - Google Patents

Progressivt svepande faergtelevisionsaotergivningsapparat. Download PDF

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Publication number
FI76471B
FI76471B FI843283A FI843283A FI76471B FI 76471 B FI76471 B FI 76471B FI 843283 A FI843283 A FI 843283A FI 843283 A FI843283 A FI 843283A FI 76471 B FI76471 B FI 76471B
Authority
FI
Finland
Prior art keywords
lines
chrominance
information
luminance
signal
Prior art date
Application number
FI843283A
Other languages
English (en)
Finnish (fi)
Other versions
FI843283A (fi
FI76471C (sv
FI843283A0 (fi
Inventor
Dalton Harold Pritchard
Original Assignee
Rca 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 Corp filed Critical Rca Corp
Publication of FI843283A0 publication Critical patent/FI843283A0/fi
Publication of FI843283A publication Critical patent/FI843283A/fi
Application granted granted Critical
Publication of FI76471B publication Critical patent/FI76471B/fi
Publication of FI76471C publication Critical patent/FI76471C/sv

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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
    • H04N3/28—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical producing multiple scanning, i.e. using more than one spot at the same time
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/01—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level
    • H04N7/0117—Conversion of standards, e.g. involving analogue television standards or digital television standards processed at pixel level involving conversion of the spatial resolution of the incoming video signal
    • H04N7/012—Conversion between an interlaced and a progressive signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Graphics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Television Systems (AREA)
  • Television Systems (AREA)
  • Processing Of Color Television Signals (AREA)

Claims (5)

1. Färgtelevisionsätergivningsapparat för produceran-de av en progressivt avsökt bild och omfattande: 5 en ingäng (1) för mottagande av signaler, vilka rep- resenterar linjer av luminans- och krominansinformation av en bild, vilken linjeavsökts genom radspräng; en luminansbehandlingskanal, vilken inkluderar tid-komprimeringsmedel (19) och interpoleringsmedel (13) för 10 producerande av en luminanssignal, vilken omfattar tidkomp-rimerade linjer av luminanssignalinformation (Vu), som deri-verats utan interpolation frän linjerna av luminansinforma-tion, interfolierade med tidkomprimerade linjer av signalin-formation (Vi), som deriverats genom interpolation frän lin-15 jerna av luminansinformation; en krominanssignalbehandlingskanal (15, 17, 47), vilken producerar linjer av krominanssignalinformation; och medel (65, 67, 69, 71, 73), som kopplats tili nämn-da kanaler för att genom progressiv avsökning äterge de tid-20 komprimerade linjerna av luminansinformation och linjerna av krominansinformation? kännetecknad därav, att krominanssignalbehand-lingskanalen (15, 17, 47) inkluderar medel (47) för producerande av första tidkomprimerade linjer av krominanssig-25 nalinformation, som deriverats utan interpolation frän nämn- da linjer av krominansinformation, interfolierade med ytter-ligare linjer av krominanssignalinformationer, vilka uppre-par nämnda första linjer av krominansinformationen och deriverats utan interpolation, för ätergivning genom progressiv 30 avsökning.
2. Apparat enligt patentkravet 1, kännetecknad därav, att interpoleringsmedlet (13) i luminanssig-nalbehandlingskanalen kopplats för mottagande av linjerna av luminansinformation (Vu) frän den nämnda ingängen (1) 35 för producerande av linjer av interpolerad luminansinforma- II
FI843283A 1983-08-26 1984-08-20 Progressivt svepande färgtelevisionsåtergivningsapparat FI76471C (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/526,700 US4583113A (en) 1983-08-26 1983-08-26 Progressive scan television display system employing interpolation in the luminance channel
US52670083 1983-08-26

Publications (4)

Publication Number Publication Date
FI843283A0 FI843283A0 (fi) 1984-08-20
FI843283A FI843283A (fi) 1985-02-27
FI76471B true FI76471B (fi) 1988-06-30
FI76471C FI76471C (sv) 1988-10-10

Family

ID=24098425

Family Applications (1)

Application Number Title Priority Date Filing Date
FI843283A FI76471C (sv) 1983-08-26 1984-08-20 Progressivt svepande färgtelevisionsåtergivningsapparat

Country Status (16)

Country Link
US (1) US4583113A (sv)
JP (1) JPS6069998A (sv)
KR (1) KR920005201B1 (sv)
AT (1) AT395667B (sv)
CA (1) CA1230669A (sv)
CS (1) CS266562B2 (sv)
DE (1) DE3431262A1 (sv)
DK (1) DK406284A (sv)
ES (1) ES8606768A1 (sv)
FI (1) FI76471C (sv)
FR (1) FR2551291B1 (sv)
GB (1) GB2145900B (sv)
HK (1) HK23293A (sv)
IT (1) IT1175640B (sv)
NL (1) NL8402594A (sv)
PT (1) PT79121B (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4558347A (en) * 1983-08-26 1985-12-10 Rca Corporation Progressive scan television system employing vertical detail enhancement
US4573068A (en) * 1984-03-21 1986-02-25 Rca Corporation Video signal processor for progressive scanning
US4677461A (en) * 1984-07-26 1987-06-30 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter
EP0169930B1 (de) * 1984-08-03 1987-06-10 Deutsche ITT Industries GmbH Videorecorder mit magnetischem bandförmigem Speichermedium
US4670772A (en) * 1984-12-28 1987-06-02 Rca Corporation Raster distortion correction for progressive scan television system
US4672424A (en) * 1985-02-14 1987-06-09 Rca Corporation Progressively scanned television system with reduced chrominance bandwidth
US4706113A (en) * 1985-02-18 1987-11-10 Mitsubishi Denki Kabushiki Kaisha Contour detecting filter device using PAL samples of composite video signals without separation of luminance signals therefrom
US4663653A (en) * 1985-11-22 1987-05-05 Rca Corporation Vertical detail enhancer
US4802003A (en) * 1986-02-28 1989-01-31 Canon Kabushiki Kaisha Color picture information transmission system
US4698675A (en) * 1986-09-29 1987-10-06 Rca Corporation Progressive scan display system having intra-field and inter-field processing modes
US4750039A (en) * 1986-10-10 1988-06-07 Rca Licensing Corporation Circuitry for processing a field of video information to develop two compressed fields
JP2526558B2 (ja) * 1986-10-21 1996-08-21 ソニー株式会社 ビデオ信号のスキャンコンバ−タ装置
US4866509A (en) * 1988-08-30 1989-09-12 General Electric Company System for adaptively generating signal in alternate formats as for an EDTV system
US4967263A (en) * 1988-09-07 1990-10-30 General Electric Company Widescreen television signal processor system with interpolator for reducing artifacts
KR920004067Y1 (ko) * 1988-12-12 1992-06-20 삼성전관 주식회사 Id-tv의 더블 스캔회로
KR100195129B1 (ko) * 1996-02-21 1999-06-15 윤종용 가정용 hdtv 카메라를 위한 수직라인 배속 변환방법 및 그 회로
GB9703143D0 (en) * 1997-02-14 1997-04-02 Vistek Electronics An improved method of luminance and chrominance separation for video signals
US6052157A (en) * 1997-08-04 2000-04-18 Innovision Labs System and method for separating chrominance and luminance components of a color television system
US6040869A (en) * 1998-03-31 2000-03-21 Matsushita Electric Industrial Co. Ltd. Method and apparatus for converting an interlace-scan video signal into a non-interlace-scan video signal

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7706512A (nl) * 1977-06-14 1978-12-18 Philips Nv Lijnentalomzetschakeling.
DE2938349C2 (de) * 1979-09-21 1983-05-26 Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt Schaltungsanordnung zur kompatiblen Auflösungserhöhung bei Fernsehsystemen
JPS57111177A (en) * 1980-12-26 1982-07-10 Sony Corp Television picture receiver
JPS57164687A (en) * 1981-04-03 1982-10-09 Sony Corp Double scanning image receiver
US4371891A (en) * 1981-04-10 1983-02-01 Rca Corporation Chrominance signal processor
US4429327A (en) * 1981-07-31 1984-01-31 Rca Corporation Compatible television system with increased vertical resolution
US4400719A (en) * 1981-09-08 1983-08-23 Rca Corporation Television display system with reduced line-scan artifacts
JPS5879378A (ja) * 1981-11-05 1983-05-13 Sony Corp テレビジヨン受像機
JPS5883487A (ja) * 1981-11-13 1983-05-19 Sony Corp テレビジヨン受像機
JPS5896460A (ja) * 1981-12-03 1983-06-08 Sony Corp テレビ受像機
US4415931A (en) * 1982-03-18 1983-11-15 Rca Corporation Television display with doubled horizontal lines
US4558347A (en) * 1983-08-26 1985-12-10 Rca Corporation Progressive scan television system employing vertical detail enhancement
US4550336A (en) * 1983-08-26 1985-10-29 Rca Corporation Progressive scan speed-up processor

Also Published As

Publication number Publication date
AU570993B2 (en) 1988-03-31
HK23293A (en) 1993-03-26
GB8420973D0 (en) 1984-09-19
KR920005201B1 (ko) 1992-06-29
ES535416A0 (es) 1986-04-01
PT79121B (en) 1986-06-03
IT8422421A0 (it) 1984-08-24
IT1175640B (it) 1987-07-15
FI843283A (fi) 1985-02-27
KR850002190A (ko) 1985-05-06
AT395667B (de) 1993-02-25
ATA273184A (de) 1992-06-15
JPS6069998A (ja) 1985-04-20
DK406284A (da) 1985-02-27
CA1230669A (en) 1987-12-22
FI76471C (sv) 1988-10-10
GB2145900B (en) 1987-03-04
DK406284D0 (da) 1984-08-24
CS624684A2 (en) 1989-03-14
FI843283A0 (fi) 1984-08-20
NL8402594A (nl) 1985-03-18
FR2551291A1 (fr) 1985-03-01
AU3202684A (en) 1985-02-28
US4583113A (en) 1986-04-15
CS266562B2 (en) 1990-01-12
FR2551291B1 (fr) 1989-12-15
ES8606768A1 (es) 1986-04-01
GB2145900A (en) 1985-04-03
DE3431262A1 (de) 1985-03-14
PT79121A (en) 1984-09-01

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MM Patent lapsed
MM Patent lapsed

Owner name: RCA LICENSING CORPORATION