JPH0321972B2 - - Google Patents
Info
- Publication number
- JPH0321972B2 JPH0321972B2 JP56163237A JP16323781A JPH0321972B2 JP H0321972 B2 JPH0321972 B2 JP H0321972B2 JP 56163237 A JP56163237 A JP 56163237A JP 16323781 A JP16323781 A JP 16323781A JP H0321972 B2 JPH0321972 B2 JP H0321972B2
- Authority
- JP
- Japan
- Prior art keywords
- objective lens
- coil
- support
- coils
- permanent magnet
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 6
- 230000004907 flux Effects 0.000 claims description 2
- 238000004804 winding Methods 0.000 description 9
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16323781A JPS5864648A (ja) | 1981-10-13 | 1981-10-13 | 対物レンズ駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16323781A JPS5864648A (ja) | 1981-10-13 | 1981-10-13 | 対物レンズ駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5864648A JPS5864648A (ja) | 1983-04-18 |
JPH0321972B2 true JPH0321972B2 (fr) | 1991-03-25 |
Family
ID=15769938
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16323781A Granted JPS5864648A (ja) | 1981-10-13 | 1981-10-13 | 対物レンズ駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5864648A (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4587466A (en) * | 1982-12-09 | 1986-05-06 | Magnetic Peripherals | Two axis linear motor for optical focusing and tracking system in optical recording |
USRE37084E1 (en) | 1983-05-31 | 2001-03-06 | Matsushita Electric Industrial Co., Ltd. | Objective lens driving apparatus for optical disc player |
JPS601630A (ja) * | 1983-06-17 | 1985-01-07 | Olympus Optical Co Ltd | 情報トラツクの読取り装置 |
JPS6040535A (ja) * | 1983-08-15 | 1985-03-02 | Hitachi Ltd | 対物レンズ駆動装置 |
JPS61101816U (fr) * | 1984-12-11 | 1986-06-28 | ||
JPS61149116U (fr) * | 1985-03-01 | 1986-09-13 | ||
KR900006182B1 (ko) * | 1986-03-04 | 1990-08-25 | 상요 덴기 가부시기가이샤 | 전기 기계 변환기 |
JPS63138621U (fr) * | 1987-02-28 | 1988-09-13 | ||
JP2770304B2 (ja) * | 1988-01-27 | 1998-07-02 | ソニー株式会社 | 対物レンズ駆動装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53120403A (en) * | 1977-03-25 | 1978-10-20 | Philips Nv | Optical scanner |
JPS5625332B2 (fr) * | 1978-10-27 | 1981-06-11 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5625332U (fr) * | 1979-07-31 | 1981-03-07 |
-
1981
- 1981-10-13 JP JP16323781A patent/JPS5864648A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS53120403A (en) * | 1977-03-25 | 1978-10-20 | Philips Nv | Optical scanner |
JPS5625332B2 (fr) * | 1978-10-27 | 1981-06-11 |
Also Published As
Publication number | Publication date |
---|---|
JPS5864648A (ja) | 1983-04-18 |
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