JPS5345204A - Tracking method for disk-type recording medium - Google Patents

Tracking method for disk-type recording medium

Info

Publication number
JPS5345204A
JPS5345204A JP11927276A JP11927276A JPS5345204A JP S5345204 A JPS5345204 A JP S5345204A JP 11927276 A JP11927276 A JP 11927276A JP 11927276 A JP11927276 A JP 11927276A JP S5345204 A JPS5345204 A JP S5345204A
Authority
JP
Japan
Prior art keywords
disk
recording medium
tracking method
type recording
light spot
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.)
Pending
Application number
JP11927276A
Other languages
Japanese (ja)
Inventor
Toru Musha
Toshitaka Suwaki
Shohei Nagai
Shunpei Tanaka
Kunio Yamamiya
Toshimichi Koizumi
Akifumi Ishikawa
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.)
Olympus Corp
Original Assignee
Olympus Optical 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 Olympus Optical Co Ltd filed Critical Olympus Optical Co Ltd
Priority to JP11927276A priority Critical patent/JPS5345204A/en
Publication of JPS5345204A publication Critical patent/JPS5345204A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE: To control the light spot in irradiating the light spot on the information track and reading the information by taking the tracking signal through coherent detection of the accessed signal and the fixed frequency signal given by vibrating the object lens with a fixed frequency.
COPYRIGHT: (C)1978,JPO&Japio
JP11927276A 1976-10-06 1976-10-06 Tracking method for disk-type recording medium Pending JPS5345204A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11927276A JPS5345204A (en) 1976-10-06 1976-10-06 Tracking method for disk-type recording medium

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11927276A JPS5345204A (en) 1976-10-06 1976-10-06 Tracking method for disk-type recording medium

Publications (1)

Publication Number Publication Date
JPS5345204A true JPS5345204A (en) 1978-04-22

Family

ID=14757246

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11927276A Pending JPS5345204A (en) 1976-10-06 1976-10-06 Tracking method for disk-type recording medium

Country Status (1)

Country Link
JP (1) JPS5345204A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545171A (en) * 1978-09-26 1980-03-29 Mitsubishi Electric Corp Track detection controller
JPS59139148A (en) * 1983-01-25 1984-08-09 Foster Denki Kk Servo circuit for information reproducing device
JP2005322398A (en) * 2004-05-07 2005-11-17 Samsung Electronics Co Ltd Method and apparatus adjusting disk drive by utilizing track movement signal induced forcibly

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5545171A (en) * 1978-09-26 1980-03-29 Mitsubishi Electric Corp Track detection controller
JPS6132732B2 (en) * 1978-09-26 1986-07-29 Mitsubishi Electric Corp
JPS59139148A (en) * 1983-01-25 1984-08-09 Foster Denki Kk Servo circuit for information reproducing device
JP2005322398A (en) * 2004-05-07 2005-11-17 Samsung Electronics Co Ltd Method and apparatus adjusting disk drive by utilizing track movement signal induced forcibly

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