JPH0432446B2 - - Google Patents
Info
- Publication number
- JPH0432446B2 JPH0432446B2 JP58021301A JP2130183A JPH0432446B2 JP H0432446 B2 JPH0432446 B2 JP H0432446B2 JP 58021301 A JP58021301 A JP 58021301A JP 2130183 A JP2130183 A JP 2130183A JP H0432446 B2 JPH0432446 B2 JP H0432446B2
- Authority
- JP
- Japan
- Prior art keywords
- photodetector
- lens
- adjustment
- optical axis
- objective lens
- 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 59
- 201000009310 astigmatism Diseases 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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
- G11B7/0908—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 for focusing only
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
- Mounting And Adjusting Of Optical Elements (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58021301A JPS59146453A (ja) | 1983-02-09 | 1983-02-09 | 光学式ピツクアツプ装置 |
JP58057254A JPS59146454A (ja) | 1983-02-09 | 1983-03-31 | 光学式ピツクアツプ装置の調整方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58021301A JPS59146453A (ja) | 1983-02-09 | 1983-02-09 | 光学式ピツクアツプ装置 |
JP58057254A JPS59146454A (ja) | 1983-02-09 | 1983-03-31 | 光学式ピツクアツプ装置の調整方法 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58057254A Division JPS59146454A (ja) | 1983-02-09 | 1983-03-31 | 光学式ピツクアツプ装置の調整方法 |
JP5725583A Division JPS59146455A (ja) | 1983-03-31 | 1983-03-31 | 光学式ピツクアツプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59146453A JPS59146453A (ja) | 1984-08-22 |
JPH0432446B2 true JPH0432446B2 (ko) | 1992-05-29 |
Family
ID=26358339
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58021301A Granted JPS59146453A (ja) | 1983-02-09 | 1983-02-09 | 光学式ピツクアツプ装置 |
JP58057254A Granted JPS59146454A (ja) | 1983-02-09 | 1983-03-31 | 光学式ピツクアツプ装置の調整方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58057254A Granted JPS59146454A (ja) | 1983-02-09 | 1983-03-31 | 光学式ピツクアツプ装置の調整方法 |
Country Status (1)
Country | Link |
---|---|
JP (2) | JPS59146453A (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2585035Y2 (ja) * | 1990-10-04 | 1998-11-11 | 旭光学工業 株式会社 | 光学式情報記録再生装置の光軸調整機構 |
JP7054401B2 (ja) * | 2020-03-23 | 2022-04-13 | 富士フイルム株式会社 | 内視鏡用光源装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54128706A (en) * | 1978-06-14 | 1979-10-05 | Mansei Kogyo Kk | Device for adjusting position of cylindrical lens for optical information reader |
-
1983
- 1983-02-09 JP JP58021301A patent/JPS59146453A/ja active Granted
- 1983-03-31 JP JP58057254A patent/JPS59146454A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS54128706A (en) * | 1978-06-14 | 1979-10-05 | Mansei Kogyo Kk | Device for adjusting position of cylindrical lens for optical information reader |
Also Published As
Publication number | Publication date |
---|---|
JPS59146454A (ja) | 1984-08-22 |
JPS59146453A (ja) | 1984-08-22 |
JPH0339333B2 (ko) | 1991-06-13 |
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