HK31886A - Dc restoration utilizing the colour burst signal - Google Patents

Dc restoration utilizing the colour burst signal

Info

Publication number
HK31886A
HK31886A HK31886A HK31886A HK31886A HK 31886 A HK31886 A HK 31886A HK 31886 A HK31886 A HK 31886A HK 31886 A HK31886 A HK 31886A HK 31886 A HK31886 A HK 31886A
Authority
HK
Hong Kong
Prior art keywords
burst signal
colour burst
restoration
utilizing
restoration utilizing
Prior art date
Application number
HK31886A
Inventor
Luigi C Gallo
Original Assignee
Ampex
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 filed Critical Ampex
Publication of HK31886A publication Critical patent/HK31886A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/87Regeneration of colour television signals
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B17/00Guiding record carriers not specifically of filamentary or web form, or of supports therefor
    • G11B17/005Programmed access to indexed parts of tracks of operating discs, by guiding the disc
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/02Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
    • G11B27/031Electronic editing of digitised analogue information signals, e.g. audio or video signals
    • G11B27/034Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B27/00Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
    • G11B27/10Indexing; Addressing; Timing or synchronising; Measuring tape travel
    • G11B27/102Programmed access in sequence to addressed parts of tracks of operating record carriers
    • G11B27/105Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B5/00Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
    • G11B5/02Recording, reproducing, or erasing methods; Read, write or erase circuits therefor
    • G11B5/027Analogue recording
    • G11B5/035Equalising
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/14Picture signal circuitry for video frequency region
    • H04N5/16Circuitry for reinsertion of dc and slowly varying components of signal; Circuitry for preservation of black or white level
    • H04N5/18Circuitry 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
    • H04N5/185Circuitry 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/92Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N5/926Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback by pulse code modulation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/76Television signal recording
    • H04N5/91Television signal processing therefor
    • H04N5/93Regeneration of the television signal or of selected parts thereof
    • H04N5/935Regeneration of digital synchronisation signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/64Circuits for processing colour signals
    • H04N9/72Circuits for processing colour signals for reinsertion of DC and slowly varying components of colour signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/77Circuits 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
    • H04N9/78Circuits 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/793Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/793Processing 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
    • H04N9/7933Processing 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/80Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/808Transformation 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/87Regeneration of colour television signals
    • H04N9/873Regeneration of colour television signals for restoring the colour component sequence of the reproduced chrominance signal
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00Details of colour television systems
    • H04N9/79Processing of colour television signals in connection with recording
    • H04N9/87Regeneration of colour television signals
    • H04N9/89Time-base error compensation
    • H04N9/896Time-base error compensation using a digital memory with independent write-in and read-out clock generators
    • GPHYSICS
    • G11INFORMATION STORAGE
    • G11BINFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B2220/00Record carriers by type
    • G11B2220/20Disc-shaped record carriers
HK31886A 1976-10-29 1986-05-08 Dc restoration utilizing the colour burst signal HK31886A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
HK31886A true HK31886A (en) 1986-05-16

Family

ID=10436254

Family Applications (6)

Application Number Title Priority Date Filing Date
HK26486A HK26486A (en) 1976-10-29 1986-04-10 Apparatus for inserting a digital sync word,phase synchronized to the colour subcarrier,in place of the horizontal sync signal
HK26186A HK26186A (en) 1976-10-29 1986-04-10 Clock signal generator providing non-symmetrical alternating phase intervals
HK26586A HK26586A (en) 1976-10-29 1986-04-10 Digital chrominance separating and processing system and method
HK26386A HK26386A (en) 1976-10-29 1986-04-10 Frequency response equalizer
HK26286A HK26286A (en) 1976-10-29 1986-04-10 Television subcarrier phase correction for color field sequencing
HK31886A HK31886A (en) 1976-10-29 1986-05-08 Dc restoration utilizing the colour burst signal

Family Applications Before (5)

Application Number Title Priority Date Filing Date
HK26486A HK26486A (en) 1976-10-29 1986-04-10 Apparatus for inserting a digital sync word,phase synchronized to the colour subcarrier,in place of the horizontal sync signal
HK26186A HK26186A (en) 1976-10-29 1986-04-10 Clock signal generator providing non-symmetrical alternating phase intervals
HK26586A HK26586A (en) 1976-10-29 1986-04-10 Digital chrominance separating and processing system and method
HK26386A HK26386A (en) 1976-10-29 1986-04-10 Frequency response equalizer
HK26286A HK26286A (en) 1976-10-29 1986-04-10 Television subcarrier phase correction for color field sequencing

Country Status (5)

Country Link
JP (5) JPS5356004A (en)
BE (1) BE860257A (en)
DE (8) DE2759866C2 (en)
FR (3) FR2371838B1 (en)
HK (6) HK26486A (en)

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 (en) * 1981-02-27 Uniroyal Inc PROCEDURE FOR THE PREPARATION OF AN EXPANDABLE MIXTURE, PROCEDURE FOR THE PREPARATION OF EXPANDED POLYMERIC MATERIALS, AND PROCEDURE FOR THE PREPARATION OF A HYDRAZODICARBON ACID EESTER AS WELL AS A GAS-SPREADING AGENT FOR HEATING.
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 (en) * 1985-10-17 1987-05-08 アムペックス コーポレーシヨン Method and apparatus for selectively making special signal inserted in vertical blanking period of television signal unblanking
NL8700294A (en) * 1987-02-09 1988-09-01 At & T & Philips Telecomm CLAMP CIRCUIT FOR A TELEVISION TRANSMISSION SYSTEM.
DE3816568A1 (en) * 1988-05-14 1989-11-16 Bodenseewerk Geraetetech METHOD AND DEVICE FOR DEMODULATING AN AC VOLTAGE SIGNAL
FR2651632B1 (en) * 1989-09-06 1994-06-03 Tonna Electronique METHOD AND DEVICE FOR ALIGNING VIDEO SIGNALS AND DETECTING THE PRESENCE OF RECURRING DIGITAL DATA IN A VIDEO SIGNAL.
KR920006751Y1 (en) * 1989-12-16 1992-09-26 삼성전자 주식회사 Color signal compensating circuit of vtr
JP4824610B2 (en) * 2007-03-19 2011-11-30 テイ・エス テック株式会社 Outdoor vehicle seat

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
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 (en) * 1968-08-14 1980-02-12
US3795763A (en) * 1972-04-18 1974-03-05 Communications Satellite Corp Digital television transmission system
JPS5320169B2 (en) * 1972-04-24 1978-06-24
JPS5037063B2 (en) * 1972-05-24 1975-11-29
JPS5011322A (en) * 1973-05-30 1975-02-05
NL7309910A (en) * 1973-07-17 1975-01-21 Philips Nv DEVICE FOR DISPLAYING A COLOR TV SIGNAL DRAWN ON A RECORDING CARRIER.
JPS557988B2 (en) * 1973-10-01 1980-02-29
CA1141022A (en) * 1974-04-25 1983-02-08 Maurice G. Lemoine Time base compensator

Also Published As

Publication number Publication date
DE2759869C2 (en) 1985-01-17
DE2759871C2 (en) 1983-06-09
HK26386A (en) 1986-04-18
FR2453571B1 (en) 1986-06-27
HK26486A (en) 1986-04-18
FR2371838A1 (en) 1978-06-16
HK26186A (en) 1986-04-18
JPH0242889A (en) 1990-02-13
JPH0440913B2 (en) 1992-07-06
DE2759865C2 (en) 1984-04-05
DE2759867C2 (en) 1986-06-26
HK26286A (en) 1986-04-18
DE2759870C2 (en) 1983-10-20
JPH0250677B2 (en) 1990-11-05
FR2453571A1 (en) 1980-10-31
JPH0235880A (en) 1990-02-06
JPH0440915B2 (en) 1992-07-06
FR2371838B1 (en) 1985-06-21
JPS5356004A (en) 1978-05-22
DE2759866C2 (en) 1983-10-13
JPH0242888A (en) 1990-02-13
DE2759872C2 (en) 1991-08-29
DE2759868C2 (en) 1983-02-10
BE860257A (en) 1978-02-15
FR2453572A1 (en) 1980-10-31
HK26586A (en) 1986-04-18
JPH0242890A (en) 1990-02-13

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