JPS5345509A - Automatic tracking apparatus - Google Patents

Automatic tracking apparatus

Info

Publication number
JPS5345509A
JPS5345509A JP12065676A JP12065676A JPS5345509A JP S5345509 A JPS5345509 A JP S5345509A JP 12065676 A JP12065676 A JP 12065676A JP 12065676 A JP12065676 A JP 12065676A JP S5345509 A JPS5345509 A JP S5345509A
Authority
JP
Japan
Prior art keywords
automatic tracking
tracking apparatus
playback head
envelope
comparing
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
JP12065676A
Other languages
Japanese (ja)
Other versions
JPS6120053B2 (en
Inventor
Kazuo Hashizaki
Kyoichi Shirane
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 JP12065676A priority Critical patent/JPS5345509A/en
Publication of JPS5345509A publication Critical patent/JPS5345509A/en
Publication of JPS6120053B2 publication Critical patent/JPS6120053B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)

Abstract

PURPOSE: To let a playback head satisfactorily follow up recording tracks by subsequently envelope-detecting and comparing the reproduction high frequency signals at the time of reproducing video signals and controlling playback head position in a level increasing direction.
COPYRIGHT: (C)1978,JPO&Japio
JP12065676A 1976-10-07 1976-10-07 Automatic tracking apparatus Granted JPS5345509A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12065676A JPS5345509A (en) 1976-10-07 1976-10-07 Automatic tracking apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12065676A JPS5345509A (en) 1976-10-07 1976-10-07 Automatic tracking apparatus

Publications (2)

Publication Number Publication Date
JPS5345509A true JPS5345509A (en) 1978-04-24
JPS6120053B2 JPS6120053B2 (en) 1986-05-20

Family

ID=14791623

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12065676A Granted JPS5345509A (en) 1976-10-07 1976-10-07 Automatic tracking apparatus

Country Status (1)

Country Link
JP (1) JPS5345509A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57120128A (en) * 1981-01-16 1982-07-27 Matsushita Electric Ind Co Ltd Voltage controller
JPS57120226A (en) * 1981-01-16 1982-07-27 Hitachi Ltd Auto tracking device of magnetic video recording and reproducing device
JPS58140999A (en) * 1982-02-16 1983-08-20 住友重機械工業株式会社 Method of controlling beam of cyclotron
JPS58209899A (en) * 1982-05-31 1983-12-06 住友重機械工業株式会社 Accelerator
JPS59140625A (en) * 1983-01-31 1984-08-13 Sharp Corp Recording and reproducing device
JPS59167823A (en) * 1983-03-14 1984-09-21 Mitsubishi Electric Corp Head driving mechanism
JPS6488913A (en) * 1987-09-29 1989-04-03 Mitsubishi Electric Corp Tracking device
JPS6489675A (en) * 1987-09-29 1989-04-04 Mitsubishi Electric Corp Tracking device
JPH03119510A (en) * 1989-09-29 1991-05-21 Mitsubishi Electric Corp Magnetic recording and reproducing device

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6326455B2 (en) * 1981-01-16 1988-05-30 Hitachi Ltd
JPS57120226A (en) * 1981-01-16 1982-07-27 Hitachi Ltd Auto tracking device of magnetic video recording and reproducing device
JPS57120128A (en) * 1981-01-16 1982-07-27 Matsushita Electric Ind Co Ltd Voltage controller
JPS6367682B2 (en) * 1981-01-16 1988-12-27 Matsushita Electric Ind Co Ltd
JPS58140999A (en) * 1982-02-16 1983-08-20 住友重機械工業株式会社 Method of controlling beam of cyclotron
JPS58209899A (en) * 1982-05-31 1983-12-06 住友重機械工業株式会社 Accelerator
JPS59140625A (en) * 1983-01-31 1984-08-13 Sharp Corp Recording and reproducing device
JPH0249485B2 (en) * 1983-01-31 1990-10-30 Sharp Kk
JPS59167823A (en) * 1983-03-14 1984-09-21 Mitsubishi Electric Corp Head driving mechanism
JPS6488913A (en) * 1987-09-29 1989-04-03 Mitsubishi Electric Corp Tracking device
JPS6489675A (en) * 1987-09-29 1989-04-04 Mitsubishi Electric Corp Tracking device
JPH03119510A (en) * 1989-09-29 1991-05-21 Mitsubishi Electric Corp Magnetic recording and reproducing device
US5247404A (en) * 1989-09-29 1993-09-21 Mitsubishi Denki Kabushiki Kaisha Magnetic recording and reproducing apparatus with magnetic head displacement correction

Also Published As

Publication number Publication date
JPS6120053B2 (en) 1986-05-20

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