JPS6459646A - Objective lens actuator for optical head - Google Patents
Objective lens actuator for optical headInfo
- Publication number
- JPS6459646A JPS6459646A JP21696887A JP21696887A JPS6459646A JP S6459646 A JPS6459646 A JP S6459646A JP 21696887 A JP21696887 A JP 21696887A JP 21696887 A JP21696887 A JP 21696887A JP S6459646 A JPS6459646 A JP S6459646A
- Authority
- JP
- Japan
- Prior art keywords
- holder
- tracking
- objective lens
- lens holder
- solenoid
- 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
Links
Abstract
PURPOSE:To attain the detection of a position in the tracking direction of an objective lens and to suppress that a lens holder is vibrated due to an inertia force at the time of a tracking access by executing the driving in the tracking direction of the lens holder with a magnetic force with a solenoid and a permanent magnet. CONSTITUTION:A holder 2 is driven in the tracking direction and an auto- tracking control is executed, by a magnetic force due to a permanent magnet 21 and a corresponding solenoid 25 of the lens holder 2. By the constitution, in accordance with the position of the holder 2, an induced electromotive force occurs at the solenoid 25, the voltage is detected by a voltmeter 27, the position of the holder 2 can be detected and it can be essentially suppressed that the lens holder is vibrated at the time of the tracking access by the inertia force.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216968A JP2614455B2 (en) | 1987-08-31 | 1987-08-31 | Objective lens actuator for optical head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP62216968A JP2614455B2 (en) | 1987-08-31 | 1987-08-31 | Objective lens actuator for optical head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6459646A true JPS6459646A (en) | 1989-03-07 |
JP2614455B2 JP2614455B2 (en) | 1997-05-28 |
Family
ID=16696741
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP62216968A Expired - Lifetime JP2614455B2 (en) | 1987-08-31 | 1987-08-31 | Objective lens actuator for optical head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2614455B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03268235A (en) * | 1990-03-16 | 1991-11-28 | Pioneer Electron Corp | Semiconductor integrated circuit device |
JP2009096152A (en) * | 2007-10-19 | 2009-05-07 | Brother Ind Ltd | Label preparing apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55146635A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Objective lens driver |
JPS59221840A (en) * | 1983-05-31 | 1984-12-13 | Matsushita Electric Ind Co Ltd | Objective lens driving device of optical disc player |
-
1987
- 1987-08-31 JP JP62216968A patent/JP2614455B2/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55146635A (en) * | 1979-04-27 | 1980-11-15 | Olympus Optical Co Ltd | Objective lens driver |
JPS59221840A (en) * | 1983-05-31 | 1984-12-13 | Matsushita Electric Ind Co Ltd | Objective lens driving device of optical disc player |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH03268235A (en) * | 1990-03-16 | 1991-11-28 | Pioneer Electron Corp | Semiconductor integrated circuit device |
JP2009096152A (en) * | 2007-10-19 | 2009-05-07 | Brother Ind Ltd | Label preparing apparatus |
Also Published As
Publication number | Publication date |
---|---|
JP2614455B2 (en) | 1997-05-28 |
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