CA1092704A - Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds - Google Patents

Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds

Info

Publication number
CA1092704A
CA1092704A CA282,082A CA282082A CA1092704A CA 1092704 A CA1092704 A CA 1092704A CA 282082 A CA282082 A CA 282082A CA 1092704 A CA1092704 A CA 1092704A
Authority
CA
Canada
Prior art keywords
frequency
tape
signal
tracks
carrier
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
CA282,082A
Other languages
English (en)
French (fr)
Inventor
Jun Hirai
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1092704A publication Critical patent/CA1092704A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H04N5/923—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback using preemphasis of the signal before modulation and deemphasis of the signal after demodulation
    • 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
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • 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
    • H04N9/7908—Suppression of interfering signals at the reproducing side, e.g. noise
    • H04N9/7917—Suppression of interfering signals at the reproducing side, e.g. noise the interfering signals being cross-talk signals
    • 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
    • H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
    • H04N9/83—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal
    • H04N9/84—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only the recorded chrominance signal occupying a frequency band under the frequency band of the recorded brightness signal the recorded signal showing a feature, which is different in adjacent track parts, e.g. different phase or frequency

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Television Signal Processing For Recording (AREA)
  • Recording Or Reproducing By Magnetic Means (AREA)
CA282,082A 1976-07-06 1977-07-05 Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds Expired CA1092704A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP80128/76 1976-07-06
JP51080128A JPS6022402B2 (ja) 1976-07-06 1976-07-06 磁気記録装置

Publications (1)

Publication Number Publication Date
CA1092704A true CA1092704A (en) 1980-12-30

Family

ID=13709570

Family Applications (1)

Application Number Title Priority Date Filing Date
CA282,082A Expired CA1092704A (en) 1976-07-06 1977-07-05 Apparatus for recording and reproducing video signals on a magnetic tape movable at different speeds

Country Status (11)

Country Link
US (1) US4131912A (enExample)
JP (1) JPS6022402B2 (enExample)
AT (1) AT378302B (enExample)
BR (1) BR7704425A (enExample)
CA (1) CA1092704A (enExample)
DE (1) DE2730595C2 (enExample)
FR (1) FR2358073A1 (enExample)
GB (1) GB1567347A (enExample)
IT (1) IT1079974B (enExample)
NL (1) NL7707525A (enExample)
SE (1) SE438763B (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539507A (en) * 1976-07-14 1978-01-28 Sony Corp Recording apparatus
JPS5525805A (en) * 1978-08-09 1980-02-23 Hitachi Ltd Servo circuit of video tape recorder
JPS5553558A (en) * 1978-10-17 1980-04-19 Mitsubishi Chem Ind Preparation of laminate of metal and polyolefin
JPS5569448A (en) * 1978-11-20 1980-05-26 Mitsubishi Chem Ind Preparation of laminate of metal and polyolefin
JPS5717240A (en) * 1980-07-04 1982-01-28 Hitachi Ltd Dynamic deemphasis circuit
JPS57125588A (en) * 1981-01-29 1982-08-04 Sony Corp Digital reproducing device for video signal
US4550345A (en) * 1981-12-09 1985-10-29 Hitachi, Ltd. Magnetic video pilot signal recording/reproducing system
US4642705A (en) * 1982-08-06 1987-02-10 Lemelson Jerome H Magnetic recording and reproduction apparatus, system and method
JPH0720263B2 (ja) * 1986-01-17 1995-03-06 ソニー株式会社 搬送色信号処理回路
US4804894A (en) * 1986-06-10 1989-02-14 Sony Corporation Motor rotation servo control apparatus
JP2513204B2 (ja) * 1987-01-28 1996-07-03 ソニー株式会社 Ｐｃｍ信号再生装置の速度制御回路
GB8703769D0 (en) * 1987-02-18 1987-03-25 Thorn Emi Datatech Ltd Circuit
KR920001012B1 (ko) * 1987-07-07 1992-02-01 니뽄 덴끼 가부시끼가이샤 비데오신호 처리회로
EP0398875A4 (en) * 1988-06-29 1992-09-02 Larry D Goddard Image storage and retrieval apparatus
JP3000976U (ja) * 1994-02-10 1994-08-16 船井電機株式会社 ビデオ一体型テレビ

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT257707B (de) * 1966-01-19 1967-10-25 Philips Nv Einrichtung zur Aufzeichnung und Wiedergabe von Videoinformationen
US3586769A (en) * 1968-11-12 1971-06-22 Rca Corp A video tape reproducer system having automatic standard selection
JPS5714074B1 (enExample) * 1969-02-21 1982-03-20
JPS4944535B1 (enExample) * 1970-01-26 1974-11-28
GB1477466A (en) * 1973-07-31 1977-06-22 Sony Corp Magnetic recording and/or reproducing apparatus
US4007484A (en) * 1973-07-31 1977-02-08 Sony Corporation Magnetic recording and/or reproducing apparatus with chrominance crosstalk elimination
JPS5625072B2 (enExample) * 1974-01-12 1981-06-10

Also Published As

Publication number Publication date
DE2730595A1 (de) 1978-01-12
JPS536012A (en) 1978-01-20
ATA484377A (de) 1984-11-15
FR2358073A1 (fr) 1978-02-03
US4131912A (en) 1978-12-26
DE2730595C2 (de) 1986-04-24
BR7704425A (pt) 1978-04-04
SE438763B (sv) 1985-04-29
SE7707848L (sv) 1978-01-07
GB1567347A (en) 1980-05-14
AT378302B (de) 1985-07-25
IT1079974B (it) 1985-05-16
AU2680577A (en) 1979-01-11
JPS6022402B2 (ja) 1985-06-01
NL7707525A (nl) 1978-01-10
FR2358073B1 (enExample) 1982-05-14

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Legal Events

Date Code Title Description
MKEX Expiry