JPS5260107A - Tracking control unit of magnetic recording/reproducing unit - Google Patents

Tracking control unit of magnetic recording/reproducing unit

Info

Publication number
JPS5260107A
JPS5260107A JP50136504A JP13650475A JPS5260107A JP S5260107 A JPS5260107 A JP S5260107A JP 50136504 A JP50136504 A JP 50136504A JP 13650475 A JP13650475 A JP 13650475A JP S5260107 A JPS5260107 A JP S5260107A
Authority
JP
Japan
Prior art keywords
tracking control
magnetic recording
control unit
unit
reproducing
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
JP50136504A
Other languages
Japanese (ja)
Other versions
JPS5630623B2 (en
Inventor
Noboru Wakami
Masahiro Deguchi
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP50136504A priority Critical patent/JPS5260107A/en
Priority to US05/733,123 priority patent/US4127881A/en
Priority to DE2647430A priority patent/DE2647430C2/en
Priority to CA263,914A priority patent/CA1078959A/en
Publication of JPS5260107A publication Critical patent/JPS5260107A/en
Publication of JPS5630623B2 publication Critical patent/JPS5630623B2/ja
Granted legal-status Critical Current

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Abstract

PURPOSE: The phase shift amount of tracking control circuit is varied periodically, and the phase shift amount is held at memory when the tracking secures an identification. Thus, tracking phase is adjusted.
COPYRIGHT: (C)1977,JPO&Japio
JP50136504A 1975-10-21 1975-11-12 Tracking control unit of magnetic recording/reproducing unit Granted JPS5260107A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP50136504A JPS5260107A (en) 1975-11-12 1975-11-12 Tracking control unit of magnetic recording/reproducing unit
US05/733,123 US4127881A (en) 1975-10-21 1976-10-18 Tracking control system for magnetic video recording and reproducing system
DE2647430A DE2647430C2 (en) 1975-10-21 1976-10-20 Track control system for an image recording and reproducing apparatus
CA263,914A CA1078959A (en) 1975-11-12 1976-10-22 Tracking control system for magnetic video recording and reproducing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50136504A JPS5260107A (en) 1975-11-12 1975-11-12 Tracking control unit of magnetic recording/reproducing unit

Publications (2)

Publication Number Publication Date
JPS5260107A true JPS5260107A (en) 1977-05-18
JPS5630623B2 JPS5630623B2 (en) 1981-07-16

Family

ID=15176698

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50136504A Granted JPS5260107A (en) 1975-10-21 1975-11-12 Tracking control unit of magnetic recording/reproducing unit

Country Status (1)

Country Link
JP (1) JPS5260107A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050024A2 (en) * 1980-10-09 1982-04-21 Matsushita Electric Industrial Co., Ltd. Tracking-error correcting system in video reproducing apparatus
JP2010281139A (en) * 2009-06-05 2010-12-16 Maxstone Kk Service road structure for tracklayer walking in ballast bed

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050024A2 (en) * 1980-10-09 1982-04-21 Matsushita Electric Industrial Co., Ltd. Tracking-error correcting system in video reproducing apparatus
JP2010281139A (en) * 2009-06-05 2010-12-16 Maxstone Kk Service road structure for tracklayer walking in ballast bed

Also Published As

Publication number Publication date
JPS5630623B2 (en) 1981-07-16

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