JPS55157127A - Automatic tracking unit - Google Patents

Automatic tracking unit

Info

Publication number
JPS55157127A
JPS55157127A JP6280279A JP6280279A JPS55157127A JP S55157127 A JPS55157127 A JP S55157127A JP 6280279 A JP6280279 A JP 6280279A JP 6280279 A JP6280279 A JP 6280279A JP S55157127 A JPS55157127 A JP S55157127A
Authority
JP
Japan
Prior art keywords
amplitude
signal
head
search
search signal
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
JP6280279A
Other languages
English (en)
Other versions
JPS6161168B2 (ja
Inventor
Ryuhei Nakabe
Norihiko Miyawaki
Hironori Arima
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 JP6280279A priority Critical patent/JPS55157127A/ja
Publication of JPS55157127A publication Critical patent/JPS55157127A/ja
Publication of JPS6161168B2 publication Critical patent/JPS6161168B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Adjustment Of The Magnetic Head Position Track Following On Tapes (AREA)
JP6280279A 1979-05-22 1979-05-22 Automatic tracking unit Granted JPS55157127A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6280279A JPS55157127A (en) 1979-05-22 1979-05-22 Automatic tracking unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6280279A JPS55157127A (en) 1979-05-22 1979-05-22 Automatic tracking unit

Publications (2)

Publication Number Publication Date
JPS55157127A true JPS55157127A (en) 1980-12-06
JPS6161168B2 JPS6161168B2 (ja) 1986-12-24

Family

ID=13210827

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6280279A Granted JPS55157127A (en) 1979-05-22 1979-05-22 Automatic tracking unit

Country Status (1)

Country Link
JP (1) JPS55157127A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6087422A (ja) * 1983-09-19 1985-05-17 アムペックス　コーポレーション 自動ヘツド位置トラツキングサ−ボ方式
JPS60219618A (ja) * 1984-04-16 1985-11-02 Matsushita Electric Ind Co Ltd トラツキング制御方式

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6087422A (ja) * 1983-09-19 1985-05-17 アムペックス　コーポレーション 自動ヘツド位置トラツキングサ−ボ方式
JPS60219618A (ja) * 1984-04-16 1985-11-02 Matsushita Electric Ind Co Ltd トラツキング制御方式
JPH0532806B2 (ja) * 1984-04-16 1993-05-18 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
JPS6161168B2 (ja) 1986-12-24

Similar Documents

Publication Publication Date Title
JPS56156924A (en) Track following device
JPS56101621A (en) Tracking system of magnetic reproducing device
JPS5325408A (en) Reproducer
EP0227445A3 (en) Methods of and apparatus for focusing servo control
JPS54128313A (en) Magnetic recorder-reproducer capable of automatic setting of proper bias amount
JPS55157127A (en) Automatic tracking unit
JPS5345509A (en) Automatic tracking apparatus
EP0393995A3 (en) Automatic tracking systems for magnetic recording and/or reproducing apparatus
JPS5570915A (en) Detection method for optimum recording bias for magnetic recording and reproducing unit
JPS53124018A (en) Signal detector circuit for video disc player
JPS53118012A (en) Automatic tracking device
JPS54155007A (en) Information recorder
JPS56117328A (en) Information reproducing device
JPS6421751A (en) Disk device
JPS53100202A (en) Optical reproducer
JPS5616979A (en) Signal reproducting unit
JPS55157126A (en) Automatic tracking unit
JPS5221814A (en) Track detection system
JPS5589920A (en) Duplicated recording prevention unit in optical recording and reproducing unit
JPS5397324A (en) Recorded information reproducer
JPS52140302A (en) Magnetic tape life decision system
JPS6410409A (en) Magnetic recording and reproducing device
JPS5764370A (en) Rotation control system of disk recording medium
JPS5680822A (en) Automatic tracking system
JPS5718068A (en) Detector of maximum recording level for magnetic tape