JPS5582583A - Recording and reproducing unit for video signal - Google Patents

Recording and reproducing unit for video signal

Info

Publication number
JPS5582583A
JPS5582583A JP15781678A JP15781678A JPS5582583A JP S5582583 A JPS5582583 A JP S5582583A JP 15781678 A JP15781678 A JP 15781678A JP 15781678 A JP15781678 A JP 15781678A JP S5582583 A JPS5582583 A JP S5582583A
Authority
JP
Japan
Prior art keywords
signal
adder
delay circuit
circuit
subtractor
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.)
Granted
Application number
JP15781678A
Other languages
Japanese (ja)
Other versions
JPS603264B2 (en
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
Priority to JP53157816A priority Critical patent/JPS603264B2/en
Publication of JPS5582583A publication Critical patent/JPS5582583A/en
Publication of JPS603264B2 publication Critical patent/JPS603264B2/en
Expired legal-status Critical Current

Links

Abstract

PURPOSE: To reject the failure in case of provision of individual delay circuit, to simplify the circuit and to enable good reproduction, by commonly using one delay circuit and using it to the comb type filter, cross talk rejection filter and dropout compensation circuit.
CONSTITUTION: The Y signal separation comb type filter is constituted with the delay circuit 1 and the adder 4, and the C(chroma) signal separation comb type filter is constituted with the delay circuit 1 and the subtractor 12. Since phase inversion is made for the C signal of the video signal S2 every 1H, the C signal is cancelled at the adder 14. As a result, (Y+YD) signal is obtained at the adder 14. Further, (CD-C) signal is produced by cancelling Y signal at the subtractor 12. If no vertical corelativity is present between the signal Sc and that 1H before, the Y signal is not cancelled at the subtractor 12 and (YD-Y) component remains at the output. If corelativity is present, at the operator 18, the output of the adder 14 and that of the slice circuit 17 are subtracted or added.
COPYRIGHT: (C)1980,JPO&Japio
JP53157816A 1978-12-18 1978-12-18 Video signal recording and playback device Expired JPS603264B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP53157816A JPS603264B2 (en) 1978-12-18 1978-12-18 Video signal recording and playback device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP53157816A JPS603264B2 (en) 1978-12-18 1978-12-18 Video signal recording and playback device

Publications (2)

Publication Number Publication Date
JPS5582583A true JPS5582583A (en) 1980-06-21
JPS603264B2 JPS603264B2 (en) 1985-01-26

Family

ID=15657917

Family Applications (1)

Application Number Title Priority Date Filing Date
JP53157816A Expired JPS603264B2 (en) 1978-12-18 1978-12-18 Video signal recording and playback device

Country Status (1)

Country Link
JP (1) JPS603264B2 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866484A (en) * 1981-10-15 1983-04-20 Sanyo Electric Co Ltd Reproducing circuit of color video signal
JPS5861586U (en) * 1981-10-20 1983-04-25 三洋電機株式会社 video tape recorder
DE3342762A1 (en) * 1982-11-27 1984-05-30 Tokyo Shibaura Denki K.K., Kawasaki VIDEO SIGNAL RECORDING AND PLAYBACK DEVICE
US5448305A (en) * 1993-03-30 1995-09-05 Kabushiki Kaisha Toshiba Comb filter capable of reducing cross-color phenomena and noises

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0419277Y2 (en) * 1986-03-21 1992-04-30

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5866484A (en) * 1981-10-15 1983-04-20 Sanyo Electric Co Ltd Reproducing circuit of color video signal
JPH0134435B2 (en) * 1981-10-15 1989-07-19 Sanyo Electric Co
JPS5861586U (en) * 1981-10-20 1983-04-25 三洋電機株式会社 video tape recorder
JPH0411435Y2 (en) * 1981-10-20 1992-03-23
DE3342762A1 (en) * 1982-11-27 1984-05-30 Tokyo Shibaura Denki K.K., Kawasaki VIDEO SIGNAL RECORDING AND PLAYBACK DEVICE
DE3342762C2 (en) * 1982-11-27 1985-04-11 Tokyo Shibaura Denki K.K., Kawasaki VIDEO SIGNAL RECORDING AND PLAYBACK DEVICE
DE3342762C3 (en) * 1982-11-27 1987-07-09 Kabushiki Kaisha Toshiba, Kawasaki, Kanagawa VIDEO SIGNAL RECORDING AND PLAYBACK DEVICE
US4737862A (en) * 1982-11-27 1988-04-12 Tokyo Shibaura Denki Kabushiki Kaisha Video signal record/playback device
US5448305A (en) * 1993-03-30 1995-09-05 Kabushiki Kaisha Toshiba Comb filter capable of reducing cross-color phenomena and noises

Also Published As

Publication number Publication date
JPS603264B2 (en) 1985-01-26

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