JPS6417226A - Objective lens driving device - Google Patents

Objective lens driving device

Info

Publication number
JPS6417226A
JPS6417226A JP17338987A JP17338987A JPS6417226A JP S6417226 A JPS6417226 A JP S6417226A JP 17338987 A JP17338987 A JP 17338987A JP 17338987 A JP17338987 A JP 17338987A JP S6417226 A JPS6417226 A JP S6417226A
Authority
JP
Japan
Prior art keywords
flow
axis
coils
error signal
current corresponding
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
JP17338987A
Other languages
Japanese (ja)
Inventor
Takeshi Asano
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.)
Brother Industries Ltd
Original Assignee
Brother Industries 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 Brother Industries Ltd filed Critical Brother Industries Ltd
Priority to JP17338987A priority Critical patent/JPS6417226A/en
Publication of JPS6417226A publication Critical patent/JPS6417226A/en
Pending legal-status Critical Current

Links

Landscapes

  • Optical Recording Or Reproduction (AREA)

Abstract

PURPOSE:To prevent the generation of an unnecessary higher-order resonance, a crosstalk, a jitter, etc., by allowing a current corresponding to a focus error signal to flow to all of plural focus coils, and allowing a current corresponding to a tracking error signal to flow to all of plural tracking coils. CONSTITUTION:When a current corresponding to a focus error signal is allowed to flow to four pieces of focus coils 3, a lens holder 2 is driven in the Z axis direction, and in the same way, when a current corresponding to a tracking error signal is allowed to flow to four pieces of tracking coils 4, the lens holder 2 is driven in the X axis direction. It is driven in the Y axis direction, as well, in the same way by a tangential coil 5. A detecting signal of a photosensor 13 for detecting a rotation of the Z axis is amplified, and the current is allowed to flow so that the coils opposed to each other by placing an objective lens 1 between them generate force in the opposite direction, by which the lens holder 2 rotates with regard to the Z axis. Also, by a detecting signal of a photosensor 14, the rotation related to the X axis and the Y axis is also controlled in the same way. In such a way, an unnecessary higher-order resonance is eliminated, and also, the generation of a crosstalk and a jitter can be suppressed.
JP17338987A 1987-07-10 1987-07-10 Objective lens driving device Pending JPS6417226A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17338987A JPS6417226A (en) 1987-07-10 1987-07-10 Objective lens driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17338987A JPS6417226A (en) 1987-07-10 1987-07-10 Objective lens driving device

Publications (1)

Publication Number Publication Date
JPS6417226A true JPS6417226A (en) 1989-01-20

Family

ID=15959491

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17338987A Pending JPS6417226A (en) 1987-07-10 1987-07-10 Objective lens driving device

Country Status (1)

Country Link
JP (1) JPS6417226A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285434A (en) * 1991-05-13 1994-02-08 Samsung Electronics Co. Ltd. Objective lens driving apparatus for optical pickup
US5359459A (en) * 1991-05-13 1994-10-25 Samsung Electronics Co., Ltd. Optical system driving apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5285434A (en) * 1991-05-13 1994-02-08 Samsung Electronics Co. Ltd. Objective lens driving apparatus for optical pickup
US5359459A (en) * 1991-05-13 1994-10-25 Samsung Electronics Co., Ltd. Optical system driving apparatus

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