ATE128802T1 - Filter mit flachen flanken zum zusammensetzen und trennen von weston-clean-pal-signalen. - Google Patents

Filter mit flachen flanken zum zusammensetzen und trennen von weston-clean-pal-signalen.

Info

Publication number
ATE128802T1
ATE128802T1 AT92902974T AT92902974T ATE128802T1 AT E128802 T1 ATE128802 T1 AT E128802T1 AT 92902974 T AT92902974 T AT 92902974T AT 92902974 T AT92902974 T AT 92902974T AT E128802 T1 ATE128802 T1 AT E128802T1
Authority
AT
Austria
Prior art keywords
filter
pct
composing
separating
flat edges
Prior art date
Application number
AT92902974T
Other languages
English (en)
Inventor
John Oliver Egmont Roa Drewery
Nicholas Dominic Wells
Original Assignee
British Broadcasting 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
Priority claimed from GB919101529A external-priority patent/GB9101529D0/en
Application filed by British Broadcasting Corp filed Critical British Broadcasting Corp
Application granted granted Critical
Publication of ATE128802T1 publication Critical patent/ATE128802T1/de

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Polarising Elements (AREA)
  • Color Television Image Signal Generators (AREA)
  • Ink Jet Recording Methods And Recording Media Thereof (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Eye Examination Apparatus (AREA)
AT92902974T 1991-01-24 1992-01-24 Filter mit flachen flanken zum zusammensetzen und trennen von weston-clean-pal-signalen. ATE128802T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919101529A GB9101529D0 (en) 1991-01-24 1991-01-24 Non sharp cut filters for assembling and splitting in weston clean pal
GB919104559A GB9104559D0 (en) 1991-01-24 1991-03-05 Non sharp cut filters for assembling and splitting in weston clean pal

Publications (1)

Publication Number Publication Date
ATE128802T1 true ATE128802T1 (de) 1995-10-15

Family

ID=26298322

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92902974T ATE128802T1 (de) 1991-01-24 1992-01-24 Filter mit flachen flanken zum zusammensetzen und trennen von weston-clean-pal-signalen.

Country Status (11)

Country Link
US (1) US5333014A (de)
EP (1) EP0522119B1 (de)
JP (1) JPH05508275A (de)
KR (1) KR0131400B1 (de)
AT (1) ATE128802T1 (de)
AU (1) AU643122B2 (de)
CA (1) CA2078432A1 (de)
DE (1) DE69205224T2 (de)
FI (1) FI924262A0 (de)
GB (1) GB2253538B (de)
WO (1) WO1992013425A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9101536D0 (en) * 1991-01-24 1991-03-06 British Broadcasting Corp Improvements in video signals
GB9209052D0 (en) * 1992-04-27 1992-06-10 British Broadcasting Corp Video signal coding
GB9214214D0 (en) * 1992-07-03 1992-08-12 Snell & Wilcox Ltd Video signal processing
US5666166A (en) * 1995-12-04 1997-09-09 Nippon Television Network Corporation Method for converting progressive scan signals and converter thereof
JP2004519159A (ja) * 2001-02-12 2004-06-24 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ チューナブル直交移相器
US7382915B2 (en) * 2004-03-16 2008-06-03 Xerox Corporation Color to grayscale conversion method and apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1534268A (en) * 1974-12-30 1978-11-29 British Broadcasting Corp Colour television
DE2837120A1 (de) * 1977-09-01 1979-03-15 British Broadcasting Corp Verfahren und anordnung zur verarbeitung von pal-farbfernsehsignalen in digitaler form
US4288810A (en) * 1978-05-30 1981-09-08 British Broadcasting Corporation Method of and apparatus for deriving a PAL color television signal corresponding to any desired field in an 8-field PAL sequence from one stored field or picture of a PAL signal
GB2040640B (en) * 1979-01-26 1983-09-01 British Broadcasting Corp Digitising an ntsc television signal
GB2113037B (en) * 1979-02-19 1983-12-14 British Broadcasting Corp Method of and apparatus for coding and decoding pal colour television signals
JPS5632892A (en) * 1979-06-18 1981-04-02 Fernseh Inc Digital code filtering system for pal type television signal
US4322739A (en) * 1980-04-07 1982-03-30 British Broadcasting Corporation Processing of N.T.S.C. color television signals

Also Published As

Publication number Publication date
GB9201573D0 (en) 1992-03-11
US5333014A (en) 1994-07-26
GB2253538B (en) 1995-01-25
WO1992013425A1 (en) 1992-08-06
KR0131400B1 (ko) 1998-04-16
AU643122B2 (en) 1993-11-04
DE69205224T2 (de) 1996-04-18
EP0522119A1 (de) 1993-01-13
EP0522119B1 (de) 1995-10-04
FI924262L (fi) 1992-09-23
JPH05508275A (ja) 1993-11-18
DE69205224D1 (de) 1995-11-09
CA2078432A1 (en) 1992-07-25
FI924262A7 (fi) 1992-09-23
FI924262A0 (fi) 1992-09-23
AU1113892A (en) 1993-08-26
GB2253538A (en) 1992-09-09

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties