FI69948C - Demodulatorkrets foer faergtelevisionssignaler - Google Patents

Demodulatorkrets foer faergtelevisionssignaler Download PDF

Info

Publication number
FI69948C
FI69948C FI801250A FI801250A FI69948C FI 69948 C FI69948 C FI 69948C FI 801250 A FI801250 A FI 801250A FI 801250 A FI801250 A FI 801250A FI 69948 C FI69948 C FI 69948C
Authority
FI
Finland
Prior art keywords
signal
switch
demodulator
reference subcarrier
polarity
Prior art date
Application number
FI801250A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI69948B (fi
FI801250A7 (fi
Inventor
Takayuki Sagishima
Teruo Kitani
Original Assignee
Matsushita Electric Ind Co 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
Priority claimed from JP4879979A external-priority patent/JPS5935554B2/ja
Priority claimed from JP1835180A external-priority patent/JPS56115086A/ja
Application filed by Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of FI801250A7 publication Critical patent/FI801250A7/fi
Publication of FI69948B publication Critical patent/FI69948B/fi
Application granted granted Critical
Publication of FI69948C publication Critical patent/FI69948C/fi

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/455—Generation of colour burst signals; Insertion of colour burst signals in colour picture signals or separation of colour burst signals from colour picture signals
    • 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
    • H04N11/165—Decoding means therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/44—Colour synchronisation
    • H04N9/465—Synchronisation of the PAL-switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Processing Of Color Television Signals (AREA)
FI801250A 1979-04-19 1980-04-18 Demodulatorkrets foer faergtelevisionssignaler FI69948C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP4879979A JPS5935554B2 (ja) 1979-04-19 1979-04-19 色復調回路
JP4879979 1979-04-19
JP1835180A JPS56115086A (en) 1980-02-15 1980-02-15 Color demodulator
JP1835180 1980-02-15

Publications (3)

Publication Number Publication Date
FI801250A7 FI801250A7 (fi) 1980-10-20
FI69948B FI69948B (fi) 1985-12-31
FI69948C true FI69948C (fi) 1986-05-26

Family

ID=26355030

Family Applications (1)

Application Number Title Priority Date Filing Date
FI801250A FI69948C (fi) 1979-04-19 1980-04-18 Demodulatorkrets foer faergtelevisionssignaler

Country Status (9)

Country Link
US (1) US4300155A (de)
AT (1) AT378649B (de)
AU (1) AU519140B2 (de)
DE (1) DE3014883C2 (de)
FI (1) FI69948C (de)
FR (1) FR2454737B1 (de)
GB (1) GB2049342B (de)
NL (1) NL8002282A (de)
SE (1) SE447690B (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5730486A (en) * 1980-07-30 1982-02-18 Matsushita Electric Ind Co Ltd Chrominance demodulator
DE3069073D1 (en) * 1980-10-30 1984-10-04 Itt Ind Gmbh Deutsche Colour television receiver comprising at least an integrated digital circuit for processing the composite colour signal
JPS57141194A (en) * 1981-02-26 1982-09-01 Sony Corp Demodulating circuit for pal system color television signal
GB2156629B (en) * 1984-03-21 1987-07-22 Pioneer Electronic Corp Apparatus for the color synchronization of reproduced video signals
JPS61288693A (ja) * 1985-06-17 1986-12-18 Pioneer Electronic Corp バ−スト位相反転検出装置
KR960010674Y1 (en) * 1990-06-30 1996-12-23 Samsung Electronics Co Ltd Color demodulation circuit of pal system
US5156218A (en) * 1991-07-29 1992-10-20 Metzler Dennis E Landscape edging attachment
JPH05276538A (ja) * 1992-03-27 1993-10-22 Toshiba Corp Ｐａｌ方式色信号処理回路
US10149440B2 (en) 2015-01-22 2018-12-11 Abi Attachments, Inc. Edging tools for work machines

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2118891A1 (de) * 1971-03-15 1972-09-28 Sanyo Electric Co Demodulationseinrichtung für Farbfernsehempfänger
DE2216564C3 (de) * 1971-04-14 1979-09-06 N.V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) Farbfernsehempfänger-Schaltung zur Gewinnung der richtigen Schaltphase eines Farbartsignals
GB1395491A (en) * 1971-06-11 1975-05-29 Emi Ltd Circuit arrangements for colour television receivers

Also Published As

Publication number Publication date
GB2049342B (en) 1983-04-27
GB2049342A (en) 1980-12-17
ATA206580A (de) 1985-01-15
FR2454737A1 (fr) 1980-11-14
FI69948B (fi) 1985-12-31
DE3014883C2 (de) 1985-07-11
SE447690B (sv) 1986-12-01
AU519140B2 (en) 1981-11-12
US4300155A (en) 1981-11-10
AT378649B (de) 1985-09-10
AU5738480A (en) 1980-10-23
FR2454737B1 (fr) 1986-04-11
NL8002282A (nl) 1980-10-21
FI801250A7 (fi) 1980-10-20
DE3014883A1 (de) 1980-12-11
SE8002930L (sv) 1980-10-20

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: MATSUSHITA ELECTRIC INDUSTRIAL CO.,_LTD.