JPS56163530A - Optical recorder and reproducer - Google Patents

Optical recorder and reproducer

Info

Publication number
JPS56163530A
JPS56163530A JP6833980A JP6833980A JPS56163530A JP S56163530 A JPS56163530 A JP S56163530A JP 6833980 A JP6833980 A JP 6833980A JP 6833980 A JP6833980 A JP 6833980A JP S56163530 A JPS56163530 A JP S56163530A
Authority
JP
Japan
Prior art keywords
piezoelectric element
flexion
inverted
objective lens
axis
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
JP6833980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6260733B2 (de
Inventor
Kanji Nishii
Yoshikazu Goto
Shunji Harikae
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 JP6833980A priority Critical patent/JPS56163530A/ja
Publication of JPS56163530A publication Critical patent/JPS56163530A/ja
Publication of JPS6260733B2 publication Critical patent/JPS6260733B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
    • G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
    • G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
    • G11B7/0925—Electromechanical actuators for lens positioning
    • G11B7/0937—Piezoelectric actuators

Landscapes

  • Mechanical Optical Scanning Systems (AREA)
  • Optical Recording Or Reproduction (AREA)
JP6833980A 1980-05-21 1980-05-21 Optical recorder and reproducer Granted JPS56163530A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6833980A JPS56163530A (en) 1980-05-21 1980-05-21 Optical recorder and reproducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6833980A JPS56163530A (en) 1980-05-21 1980-05-21 Optical recorder and reproducer

Publications (2)

Publication Number Publication Date
JPS56163530A true JPS56163530A (en) 1981-12-16
JPS6260733B2 JPS6260733B2 (de) 1987-12-17

Family

ID=13370978

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6833980A Granted JPS56163530A (en) 1980-05-21 1980-05-21 Optical recorder and reproducer

Country Status (1)

Country Link
JP (1) JPS56163530A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241662U (de) * 1985-08-30 1987-03-12

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101103A (de) * 1972-02-29 1973-12-20
JPS54155802A (en) * 1978-05-30 1979-12-08 Olympus Optical Co Ltd Objective lens driving device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48101103A (de) * 1972-02-29 1973-12-20
JPS54155802A (en) * 1978-05-30 1979-12-08 Olympus Optical Co Ltd Objective lens driving device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6241662U (de) * 1985-08-30 1987-03-12

Also Published As

Publication number Publication date
JPS6260733B2 (de) 1987-12-17

Similar Documents

Publication Publication Date Title
ATE74681T1 (de) Optische lesekopfvorrichtungen.
DE3866959D1 (de) Optische abtastvorrichtung, spiegelobjektiv geeignet zur anwendung in dieser abtastvorrichtung und optisches aufzeichnungs- und/oder wiedergabegeraet mit einer derartigen abtastvorrichtung.
KR870010499A (ko) 광학헤드
DE69215832D1 (de) Fokussierservogerät für eine optische Platte
SE8602114L (sv) Ringlasergyro
WO2000037982A3 (en) Optical lens system and scanning device provided with such a system
JPS6327685B2 (de)
EP0800170A3 (de) Optische Anordnung zum Beschreiben und/oder Lesen eines optischen Aufzeichnungsmediums
JPS56163530A (en) Optical recorder and reproducer
ATE129353T1 (de) Abtastvorrichtung.
JPS62223822A (ja) 対物レンズ駆動装置
MY123767A (en) Device for writing to and/or reading from optical recording media having different structures
JPS55108942A (en) Optical recording and reproducing device
SE8103046L (sv) Avsokningsanordning for kartesiska vermebilder
FI923636A0 (fi) Optisk skanningsanordning.
JPS6488927A (en) Objective lens supporting device
EP0798705A3 (de) Antriebsvorrichtung für Objektivlinse
JPS6043232A (ja) 光学ヘツド
JPS56163529A (en) Controller for light converging position
JPH0625823B2 (ja) 光デイスク用対物レンズ
MY132833A (en) Optical spot generation device for recording medium
JPS647344A (en) Device for driving objective lens
JPS54100704A (en) Focus adjusting device
JPS6466833A (en) Optical information recording and reproducing device
FR2249591A5 (en) Environment compensating differential refractometer - mirrors reflect rays from collimator to eyepiece