JPS6341136B2 - - Google Patents
Info
- Publication number
- JPS6341136B2 JPS6341136B2 JP5950779A JP5950779A JPS6341136B2 JP S6341136 B2 JPS6341136 B2 JP S6341136B2 JP 5950779 A JP5950779 A JP 5950779A JP 5950779 A JP5950779 A JP 5950779A JP S6341136 B2 JPS6341136 B2 JP S6341136B2
- Authority
- JP
- Japan
- Prior art keywords
- optical
- rotating body
- deviation
- pickup device
- photodetector
- 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
Links
- 230000003287 optical effect Effects 0.000 claims description 40
- 238000001514 detection method Methods 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000035945 sensitivity Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 101700004678 SLIT3 Proteins 0.000 description 1
- 102100027339 Slit homolog 3 protein Human genes 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B21/00—Head arrangements not specific to the method of recording or reproducing
- G11B21/02—Driving or moving of heads
Landscapes
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5950779A JPS55153138A (en) | 1979-05-14 | 1979-05-14 | Optical pickup unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5950779A JPS55153138A (en) | 1979-05-14 | 1979-05-14 | Optical pickup unit |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13630189A Division JPH0249222A (ja) | 1989-05-30 | 1989-05-30 | 光学式ピツクアツプ装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55153138A JPS55153138A (en) | 1980-11-28 |
JPS6341136B2 true JPS6341136B2 (ko) | 1988-08-16 |
Family
ID=13115235
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5950779A Granted JPS55153138A (en) | 1979-05-14 | 1979-05-14 | Optical pickup unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55153138A (ko) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5826331A (ja) * | 1981-08-11 | 1983-02-16 | Nippon Telegr & Teleph Corp <Ntt> | 光学ヘツド |
JPS58200438A (ja) * | 1982-05-18 | 1983-11-22 | Nippon Sheet Glass Co Ltd | 光ピツクアツプ |
JPS5924124U (ja) * | 1982-07-31 | 1984-02-15 | 株式会社クボタ | 廃水処理用反応槽 |
JPS59193550A (ja) * | 1983-04-19 | 1984-11-02 | Nec Corp | 光デイスクシステムにおけるトラツク追従装置 |
JPS59207439A (ja) * | 1983-05-12 | 1984-11-24 | Nec Corp | 光デイスクシステムにおけるビ−ムアクセス装置 |
DE3324861C2 (de) * | 1983-07-09 | 1986-02-13 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Lesevorrichtung zum optischen Abtasten von auf einem bewegten plattenförmigen Träger aufgezeichneten Informationen |
JPS60182519A (ja) * | 1984-03-01 | 1985-09-18 | Aiwa Co Ltd | 光学ピックアップ装置 |
JPS60183918U (ja) * | 1984-05-16 | 1985-12-06 | 日本コロムビア株式会社 | デイスクプレ−ヤ |
JPS6175827U (ko) * | 1984-10-23 | 1986-05-22 | ||
JPS61196433A (ja) * | 1985-02-25 | 1986-08-30 | Fujitsu Ltd | トラツキング用アクチユエ−タ |
JPS61198436A (ja) * | 1985-02-28 | 1986-09-02 | Matsushita Electric Ind Co Ltd | 対物レンズ位置検出装置 |
JPH0652580B2 (ja) * | 1985-03-29 | 1994-07-06 | ソニー株式会社 | 光ピツクアツプのトラツキングサ−ボ装置 |
JP2524773Y2 (ja) * | 1985-07-05 | 1997-02-05 | ソニー株式会社 | 光学ピツクアツプの位置検出装置 |
JPH0740364B2 (ja) * | 1985-08-08 | 1995-05-01 | オリンパス光学工業株式会社 | 光学式ピツクアツプ |
JPS6266427A (ja) * | 1985-09-18 | 1987-03-25 | Fujitsu Ltd | 光デイスク装置のポジシヨナ駆動方式 |
JPS6276033A (ja) * | 1985-09-30 | 1987-04-08 | Ricoh Co Ltd | 光ピツクアツプ |
JP2574230B2 (ja) * | 1985-11-28 | 1997-01-22 | 松下電器産業株式会社 | 変位検出装置 |
JPS62162241A (ja) * | 1986-01-09 | 1987-07-18 | Nec Corp | レンズアクチユエ−タ |
JPS62246151A (ja) * | 1986-04-18 | 1987-10-27 | Asahi Optical Co Ltd | 光ピツクアツプ |
JPS62248140A (ja) * | 1986-04-21 | 1987-10-29 | Asahi Optical Co Ltd | 光ピツクアツプ |
JPS632220U (ko) * | 1986-06-19 | 1988-01-08 | ||
JPS6448238A (en) * | 1987-08-19 | 1989-02-22 | Canon Kk | Optical system driving device |
JPH0198132A (ja) * | 1987-10-12 | 1989-04-17 | Canon Inc | 光学系駆動装置 |
JP2545410B2 (ja) * | 1987-10-13 | 1996-10-16 | キヤノン株式会社 | 光学系駆動装置 |
US5260923A (en) * | 1988-02-29 | 1993-11-09 | Canon Kabushiki Kaisha | Optical information processing apparatus in which an optical head is moved in accordance with a lens positional signal eliminating an eccentric component therefrom |
JPH0249222A (ja) * | 1989-05-30 | 1990-02-19 | Mitsubishi Electric Corp | 光学式ピツクアツプ装置 |
JP2606545B2 (ja) * | 1993-04-02 | 1997-05-07 | 株式会社日立製作所 | 情報記憶装置 |
JP2667968B2 (ja) * | 1995-09-25 | 1997-10-27 | 株式会社日立製作所 | 光ディスク装置 |
-
1979
- 1979-05-14 JP JP5950779A patent/JPS55153138A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS55153138A (en) | 1980-11-28 |
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