DE2759871C2 - Digitale Anordnung zur Abtrennung und Verarbeitung des Chrominanzsignals aus einem zusammengesetzten Farbfernsehsignal - Google Patents

Digitale Anordnung zur Abtrennung und Verarbeitung des Chrominanzsignals aus einem zusammengesetzten Farbfernsehsignal

Info

Publication number
DE2759871C2
DE2759871C2 DE2759871A DE2759871A DE2759871C2 DE 2759871 C2 DE2759871 C2 DE 2759871C2 DE 2759871 A DE2759871 A DE 2759871A DE 2759871 A DE2759871 A DE 2759871A DE 2759871 C2 DE2759871 C2 DE 2759871C2
Authority
DE
Germany
Prior art keywords
signal
digital
chrominance
coupled
stage
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE2759871A
Other languages
German (de)
English (en)
Inventor
Joachim P. Diermann
Thomas W. Palo Alto Calif. Ritchey jun.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ampex Corp
Original Assignee
Ampex 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 Ampex Corp filed Critical Ampex Corp
Application granted granted Critical
Publication of DE2759871C2 publication Critical patent/DE2759871C2/de
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005—Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02—Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027—Analogue recording
    • G11B5/035—Equalising
    • 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
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • 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
    • H04N5/16—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit
    • H04N5/185—Circuitry for reinsertion of DC and slowly varying components of signal; Circuitry for preservation of black or white level by means of "clamp" circuit operated by switching circuit for the black level
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/92—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/93—Regeneration of the television signal or of selected parts thereof
    • H04N5/935—Regeneration of digital synchronisation signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/64—Circuits for processing colour signals
    • H04N9/72—Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/77—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase
    • H04N9/78—Circuits for processing the brightness signal and the chrominance signal relative to each other, e.g. adjusting the phase of the brightness signal relative to the colour signal, correcting differential gain or differential phase for separating the brightness signal or the chrominance signal from the colour television signal, e.g. using comb filter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/793—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits
    • H04N9/7933—Processing of colour television signals in connection with recording for controlling the level of the chrominance signal, e.g. by means of automatic chroma control circuits the level control being frequency-dependent
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/808—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the composite colour video-signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/873—Regeneration of colour television signals for restoring the colour component sequence of the reproduced chrominance signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/87—Regeneration of colour television signals
    • H04N9/89—Time-base error compensation
    • H04N9/896—Time-base error compensation using a digital memory with independent write-in and read-out clock generators
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00—Record carriers by type
    • G11B2220/20—Disc-shaped record carriers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
  • Processing Of Color Television Signals (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Picture Signal Circuits (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Digital Magnetic Recording (AREA)
DE2759871A 1976-10-29 1977-10-28 Digitale Anordnung zur Abtrennung und Verarbeitung des Chrominanzsignals aus einem zusammengesetzten Farbfernsehsignal Expired DE2759871C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4519576 1976-10-29

Publications (1)

Publication Number Publication Date
DE2759871C2 true DE2759871C2 (de) 1983-06-09

Family

ID=10436254

Family Applications (8)

Application Number Title Priority Date Filing Date
DE2759871A Expired DE2759871C2 (de) 1976-10-29 1977-10-28 Digitale Anordnung zur Abtrennung und Verarbeitung des Chrominanzsignals aus einem zusammengesetzten Farbfernsehsignal
DE2759870A Expired DE2759870C2 (de) 1976-10-29 1977-10-28 Anordnung zur Erzeugung einer vollen Farbbildsequenz einer Farbvideoinformation
DE2759867A Expired DE2759867C2 (de) 1976-10-29 1977-10-28 Anordnung zur Digitalisierung eines analogen, in vorgegebenem Phasenzusammenhang zu einem Bezugssignal stehenden Informationssignals
DE2759866A Expired DE2759866C2 (de) 1976-10-29 1977-10-28 Anordnung zum selektiven Einsetzen eines digitalen Synchronisationswortes in wenigstens eine mit einer vorgegebenen Frequenz auf einen Eingang getaktete digital codierte Datenfolge
DE2759865A Expired DE2759865C2 (de) 1976-10-29 1977-10-28 Digitale Zeitbasiskorrektur-Anordnung zur Korrektur von Zeitbasisfehlern in Digitaldaten
DE2759869A Expired DE2759869C2 (de) 1976-10-29 1977-10-28 Anordnung zur Rückbildung des Gleichspannungspegels eines zusammengesetzten Videosignals
DE2759868A Expired DE2759868C2 (de) 1976-10-29 1977-10-28 Anordnung zur Erzeugung eines rechteckförmigen Ausgangssignals zur Verwendung in einer Einrichtung zur Änderung der Phase eines Videosignals
DE2759872A Expired - Fee Related DE2759872C2 (cs) 1976-10-29 1977-10-28

Family Applications After (7)

Application Number Title Priority Date Filing Date
DE2759870A Expired DE2759870C2 (de) 1976-10-29 1977-10-28 Anordnung zur Erzeugung einer vollen Farbbildsequenz einer Farbvideoinformation
DE2759867A Expired DE2759867C2 (de) 1976-10-29 1977-10-28 Anordnung zur Digitalisierung eines analogen, in vorgegebenem Phasenzusammenhang zu einem Bezugssignal stehenden Informationssignals
DE2759866A Expired DE2759866C2 (de) 1976-10-29 1977-10-28 Anordnung zum selektiven Einsetzen eines digitalen Synchronisationswortes in wenigstens eine mit einer vorgegebenen Frequenz auf einen Eingang getaktete digital codierte Datenfolge
DE2759865A Expired DE2759865C2 (de) 1976-10-29 1977-10-28 Digitale Zeitbasiskorrektur-Anordnung zur Korrektur von Zeitbasisfehlern in Digitaldaten
DE2759869A Expired DE2759869C2 (de) 1976-10-29 1977-10-28 Anordnung zur Rückbildung des Gleichspannungspegels eines zusammengesetzten Videosignals
DE2759868A Expired DE2759868C2 (de) 1976-10-29 1977-10-28 Anordnung zur Erzeugung eines rechteckförmigen Ausgangssignals zur Verwendung in einer Einrichtung zur Änderung der Phase eines Videosignals
DE2759872A Expired - Fee Related DE2759872C2 (cs) 1976-10-29 1977-10-28

Country Status (5)

Country Link
JP (5) JPS5356004A (cs)
BE (1) BE860257A (cs)
DE (8) DE2759871C2 (cs)
FR (3) FR2371838B1 (cs)
HK (6) HK26386A (cs)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4251831A (en) * 1979-10-26 1981-02-17 Kamath Bantval Y Filter and system incorporating the filter for processing discrete samples of composite signals
JPS5730484A (en) * 1980-07-30 1982-02-18 Hitachi Denshi Ltd Compensation system for speed error of reproduced video signal
NL187211C (nl) * 1981-02-27 Uniroyal Inc Werkwijze voor de bereiding van een expandeerbaar mengsel, werkwijze voor de bereiding van geexpandeerde polymere materialen, alsmede werkwijze voor de bereiding van een hydrazodicarbonzuurester als bij verhitting gasafsplitsend middel.
US4519001A (en) * 1981-10-27 1985-05-21 Ampex Corporation Apparatus for providing dropout compensation and error concealment in a PAL format video information signal
JPS6298989A (ja) * 1985-10-17 1987-05-08 アムペックス　コーポレーシヨン ブランキング信号発生制御方法及び装置
NL8700294A (nl) * 1987-02-09 1988-09-01 At & T & Philips Telecomm Klemcircuit voor een televisietransmissiesysteem.
DE3816568A1 (de) * 1988-05-14 1989-11-16 Bodenseewerk Geraetetech Verfahren und vorrichtung zur demodulation eines wechselspannungs-signals
FR2651632B1 (fr) * 1989-09-06 1994-06-03 Tonna Electronique Procede et dispositif d'alignement de signaux video et de detection de presence de donnees numeriques recurrentes dans un signal video.
KR920006751Y1 (ko) * 1989-12-16 1992-09-26 삼성전자 주식회사 비디오 테이프 레코더의 lp 모드 다기능시 칼라신호 보상회로
JP4824610B2 (ja) * 2007-03-19 2011-11-30 テイ・エス テック株式会社 屋外車両用シート

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974519A (en) * 1973-07-17 1976-08-10 U.S. Philips Corporation Apparatus for reproducing a PAL color television signal which is recorded on a record carrier and drop out compensation

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657712A (en) * 1955-12-09 1972-04-18 Dirks Computer Systems Corp Storing device for signals
US3252098A (en) * 1961-11-20 1966-05-17 Ibm Waveform shaping circuit
DE1290579B (de) * 1965-08-31 1969-03-13 Standard Elektrik Lorenz Ag Schaltung zur Rueckgewinnung des unterdrueckten Gleichspannungsanteils von Farb- bzw. Farbdifferenzsignalen
US3539716A (en) * 1968-03-18 1970-11-10 Ampex Method and apparatus for recording and reproducing television or other broad band signals with an altered time base effect
JPS555954B1 (cs) * 1968-08-14 1980-02-12
US3795763A (en) * 1972-04-18 1974-03-05 Communications Satellite Corp Digital television transmission system
JPS5320169B2 (cs) * 1972-04-24 1978-06-24
JPS5037063B2 (cs) * 1972-05-24 1975-11-29
JPS5011322A (cs) * 1973-05-30 1975-02-05
JPS557988B2 (cs) * 1973-10-01 1980-02-29
CA1141022A (en) * 1974-04-25 1983-02-08 Maurice G. Lemoine Time base compensator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3974519A (en) * 1973-07-17 1976-08-10 U.S. Philips Corporation Apparatus for reproducing a PAL color television signal which is recorded on a record carrier and drop out compensation

Also Published As

Publication number Publication date
HK26386A (en) 1986-04-18
FR2453572A1 (fr) 1980-10-31
JPH0242890A (ja) 1990-02-13
DE2759869C2 (de) 1985-01-17
FR2371838B1 (fr) 1985-06-21
FR2453571B1 (fr) 1986-06-27
BE860257A (fr) 1978-02-15
FR2453571A1 (fr) 1980-10-31
DE2759870C2 (de) 1983-10-20
HK26186A (en) 1986-04-18
JPS5356004A (en) 1978-05-22
DE2759872C2 (cs) 1991-08-29
HK26286A (en) 1986-04-18
DE2759865C2 (de) 1984-04-05
HK31886A (en) 1986-05-16
JPH0235880A (ja) 1990-02-06
JPH0242888A (ja) 1990-02-13
JPH0250677B2 (cs) 1990-11-05
FR2371838A1 (fr) 1978-06-16
DE2759868C2 (de) 1983-02-10
HK26486A (en) 1986-04-18
HK26586A (en) 1986-04-18
DE2759866C2 (de) 1983-10-13
JPH0242889A (ja) 1990-02-13
DE2759867C2 (de) 1986-06-26
JPH0440915B2 (cs) 1992-07-06
JPH0440913B2 (cs) 1992-07-06

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