JPS4994304A - - Google Patents

Info

Publication number
JPS4994304A
JPS4994304A JP573273A JP573273A JPS4994304A JP S4994304 A JPS4994304 A JP S4994304A JP 573273 A JP573273 A JP 573273A JP 573273 A JP573273 A JP 573273A JP S4994304 A JPS4994304 A JP S4994304A
Authority
JP
Japan
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
JP573273A
Other languages
Japanese (ja)
Other versions
JPS5951049B2 (ja
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 filed Critical
Priority to JP48005732A priority Critical patent/JPS5951049B2/ja
Publication of JPS4994304A publication Critical patent/JPS4994304A/ja
Publication of JPS5951049B2 publication Critical patent/JPS5951049B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)
  • Mechanical Optical Scanning Systems (AREA)
JP48005732A 1973-01-10 1973-01-10 情報再生装置 Expired JPS5951049B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP48005732A JPS5951049B2 (ja) 1973-01-10 1973-01-10 情報再生装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP48005732A JPS5951049B2 (ja) 1973-01-10 1973-01-10 情報再生装置

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP13712484A Division JPH0232689B2 (ja) 1984-07-04 1984-07-04 Toratsukingueraakenshutsuhoshiki

Publications (2)

Publication Number Publication Date
JPS4994304A true JPS4994304A (ko) 1974-09-07
JPS5951049B2 JPS5951049B2 (ja) 1984-12-12

Family

ID=11619269

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48005732A Expired JPS5951049B2 (ja) 1973-01-10 1973-01-10 情報再生装置

Country Status (1)

Country Link
JP (1) JPS5951049B2 (ko)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49130127A (ko) * 1973-04-12 1974-12-13
JPS5146817A (ko) * 1974-10-18 1976-04-21 Matsushita Electric Ind Co Ltd
JPS5248912A (en) * 1975-10-15 1977-04-19 Philips Nv Mirror device for tracing video disk reproducer
JPS52104901A (en) * 1975-11-19 1977-09-02 Fuji Telecasting Co Ltd Photoelectric reproducer
JPS5317706A (en) * 1976-08-02 1978-02-18 Philips Nv Optical recording carrier reader
JPS5494306A (en) * 1978-01-10 1979-07-26 Mitsubishi Electric Corp Track tracking device
JPS5952439A (ja) * 1983-08-15 1984-03-27 Hitachi Ltd 情報記録装置
EP0141396A2 (en) 1981-11-25 1985-05-15 Hitachi, Ltd. Access device for positioning a light beam to a desired guide groove of an optical memory apparatus
US4866687A (en) * 1985-05-31 1989-09-12 Hitachi, Ltd. Optical disc access method and optical disk storage using coarse and fine actuators
US5396477A (en) * 1988-09-21 1995-03-07 Hitachi, Ltd. Light spot positioning method and optical disc memory apparatus employing the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003057A1 (de) * 1970-01-23 1971-07-29 Battelle Development Corp Audiovisuelles Signal-Aufzeichnungs- und Wiedergabesystem
JPS4974907A (ko) * 1972-11-17 1974-07-19
JPS5111457A (ko) * 1974-07-18 1976-01-29 Kazuhiko Kaneko

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2003057A1 (de) * 1970-01-23 1971-07-29 Battelle Development Corp Audiovisuelles Signal-Aufzeichnungs- und Wiedergabesystem
JPS4974907A (ko) * 1972-11-17 1974-07-19
JPS5111457A (ko) * 1974-07-18 1976-01-29 Kazuhiko Kaneko

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5751177B2 (ko) * 1973-04-12 1982-10-30
JPS49130127A (ko) * 1973-04-12 1974-12-13
JPS5146817A (ko) * 1974-10-18 1976-04-21 Matsushita Electric Ind Co Ltd
JPS5444202B2 (ko) * 1974-10-18 1979-12-25
JPS5248912A (en) * 1975-10-15 1977-04-19 Philips Nv Mirror device for tracing video disk reproducer
JPH026414Y2 (ko) * 1975-10-15 1990-02-16
JPS5730835U (ko) * 1975-10-15 1982-02-18
JPS52104901A (en) * 1975-11-19 1977-09-02 Fuji Telecasting Co Ltd Photoelectric reproducer
JPS5518970B2 (ko) * 1975-11-19 1980-05-22
JPS5317706A (en) * 1976-08-02 1978-02-18 Philips Nv Optical recording carrier reader
JPS638536B2 (ko) * 1976-08-02 1988-02-23 Fuiritsupusu Furuuiranpenfuaburiken Nv
JPH01264637A (ja) * 1976-08-02 1989-10-20 Philips Gloeilampenfab:Nv 記録担体の光学読取装置
JPS6037983B2 (ja) * 1978-01-10 1985-08-29 三菱電機株式会社 トラツク追跡装置
JPS5494306A (en) * 1978-01-10 1979-07-26 Mitsubishi Electric Corp Track tracking device
EP0141396A2 (en) 1981-11-25 1985-05-15 Hitachi, Ltd. Access device for positioning a light beam to a desired guide groove of an optical memory apparatus
JPS5952439A (ja) * 1983-08-15 1984-03-27 Hitachi Ltd 情報記録装置
JPS6348085B2 (ko) * 1983-08-15 1988-09-27 Hitachi Ltd
US4866687A (en) * 1985-05-31 1989-09-12 Hitachi, Ltd. Optical disc access method and optical disk storage using coarse and fine actuators
US5396477A (en) * 1988-09-21 1995-03-07 Hitachi, Ltd. Light spot positioning method and optical disc memory apparatus employing the same

Also Published As

Publication number Publication date
JPS5951049B2 (ja) 1984-12-12

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