JPS6423428A - Recording medium driver and focus tracking device in recording medium driver - Google Patents

Recording medium driver and focus tracking device in recording medium driver

Info

Publication number
JPS6423428A
JPS6423428A JP18029687A JP18029687A JPS6423428A JP S6423428 A JPS6423428 A JP S6423428A JP 18029687 A JP18029687 A JP 18029687A JP 18029687 A JP18029687 A JP 18029687A JP S6423428 A JPS6423428 A JP S6423428A
Authority
JP
Japan
Prior art keywords
recording medium
lens
disk
medium driver
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.)
Granted
Application number
JP18029687A
Other languages
English (en)
Other versions
JPH0565936B2 (ja
Inventor
Kyosuke Yoshimoto
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP18029687A priority Critical patent/JPS6423428A/ja
Publication of JPS6423428A publication Critical patent/JPS6423428A/ja
Publication of JPH0565936B2 publication Critical patent/JPH0565936B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
JP18029687A 1987-07-20 1987-07-20 Recording medium driver and focus tracking device in recording medium driver Granted JPS6423428A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18029687A JPS6423428A (en) 1987-07-20 1987-07-20 Recording medium driver and focus tracking device in recording medium driver

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18029687A JPS6423428A (en) 1987-07-20 1987-07-20 Recording medium driver and focus tracking device in recording medium driver

Publications (2)

Publication Number Publication Date
JPS6423428A true JPS6423428A (en) 1989-01-26
JPH0565936B2 JPH0565936B2 (ja) 1993-09-20

Family

ID=16080728

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18029687A Granted JPS6423428A (en) 1987-07-20 1987-07-20 Recording medium driver and focus tracking device in recording medium driver

Country Status (1)

Country Link
JP (1) JPS6423428A (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5286965A (en) * 1991-06-05 1994-02-15 Matsushita Electric Industrial Co., Ltd. Anticollision system for objective lens in an optical data recording apparatus
US5288157A (en) * 1990-05-15 1994-02-22 Seiko Epson Corporation Printing control system having means to correct flight time
US5684330A (en) * 1995-08-22 1997-11-04 Samsung Electronics Co., Ltd. Chip-sized package having metal circuit substrate

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101330U (ja) * 1981-12-25 1983-07-09 パイオニア株式会社 光学装置におけるフオ−カスサ−ボ引込装置
JPS6050634A (ja) * 1983-08-29 1985-03-20 Hitachi Ltd 光ディスク装置
JPS61182643A (ja) * 1985-02-08 1986-08-15 Toshiba Corp 光学ヘツド

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58101330U (ja) * 1981-12-25 1983-07-09 パイオニア株式会社 光学装置におけるフオ−カスサ−ボ引込装置
JPS6050634A (ja) * 1983-08-29 1985-03-20 Hitachi Ltd 光ディスク装置
JPS61182643A (ja) * 1985-02-08 1986-08-15 Toshiba Corp 光学ヘツド

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5288157A (en) * 1990-05-15 1994-02-22 Seiko Epson Corporation Printing control system having means to correct flight time
US5286965A (en) * 1991-06-05 1994-02-15 Matsushita Electric Industrial Co., Ltd. Anticollision system for objective lens in an optical data recording apparatus
US5684330A (en) * 1995-08-22 1997-11-04 Samsung Electronics Co., Ltd. Chip-sized package having metal circuit substrate

Also Published As

Publication number Publication date
JPH0565936B2 (ja) 1993-09-20

Similar Documents

Publication Publication Date Title
MY103883A (en) Optical head devices for use in disc players
EP0346121A3 (en) Optical pickup head having a hologram-associated objective lens and optical information processing apparatus using the same
JPS57130240A (en) Optical information recording and reproducing device and information recording medium for it
KR900002999B1 (en) Optical pickup
EP0212941A3 (en) Optical pick-up devices
CA2025311A1 (en) Optical head
ATE25302T1 (de) Elektrooptisches geraet.
HK77096A (en) Optical scanning device mirror objective suitable for use in said device and optical write and/or read apparatus provided with said device
JPS56130840A (en) Pickup controlling mechanism for video disc recorder
JPS6423428A (en) Recording medium driver and focus tracking device in recording medium driver
EP0331475A3 (en) Optical information processing apparatus with peak hold circuit for gain control signal
JPS578929A (en) Optical pickup device
EP0400570A3 (en) Optical information processing system
JPS57205834A (en) Light focusing position controller
JPS6435736A (en) Optical head in optical disk recording and reproducing device
JPS56165937A (en) Optical recorder and reproducer
JPS57172306A (en) Focus controller of optical recording system
JPS6430031A (en) Objective lens driver
EP0367465A3 (en) Optical pickup devices
AU540660B2 (en) Pivoting reflection prism device
JPS567245A (en) Automatic focusing unit in optical information reproducing device
CA2085756A1 (en) Optical disk apparatus
JPS6452240A (en) Magneto-optical recording and reproducing device
JPS54148502A (en) Optical recorder-reproducer
JPS55125545A (en) Optical information recorder/reproducer

Legal Events

Date Code Title Description
EXPY Cancellation because of completion of term