JPH026134B2 - - Google Patents
Info
- Publication number
- JPH026134B2 JPH026134B2 JP14973380A JP14973380A JPH026134B2 JP H026134 B2 JPH026134 B2 JP H026134B2 JP 14973380 A JP14973380 A JP 14973380A JP 14973380 A JP14973380 A JP 14973380A JP H026134 B2 JPH026134 B2 JP H026134B2
- Authority
- JP
- Japan
- Prior art keywords
- head
- optical
- optical head
- track access
- main body
- 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 128
- 238000006073 displacement reaction Methods 0.000 claims description 24
- 238000001514 detection method Methods 0.000 claims description 10
- 230000008901 benefit Effects 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- 230000004075 alteration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 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
Landscapes
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
- Optical Recording Or Reproduction (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14973380A JPS5774839A (en) | 1980-10-25 | 1980-10-25 | Optical head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14973380A JPS5774839A (en) | 1980-10-25 | 1980-10-25 | Optical head |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5774839A JPS5774839A (en) | 1982-05-11 |
JPH026134B2 true JPH026134B2 (nl) | 1990-02-07 |
Family
ID=15481618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14973380A Granted JPS5774839A (en) | 1980-10-25 | 1980-10-25 | Optical head |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5774839A (nl) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5936033U (ja) * | 1982-08-31 | 1984-03-06 | 日本電気ホームエレクトロニクス株式会社 | 光学式ピツクアツプ |
JPS5965941A (ja) * | 1982-10-06 | 1984-04-14 | Alps Electric Co Ltd | 対物レンズ駆動装置 |
JPS5965940A (ja) * | 1982-10-06 | 1984-04-14 | Alps Electric Co Ltd | 対物レンズ駆動装置 |
JPS5965942A (ja) * | 1982-10-06 | 1984-04-14 | Alps Electric Co Ltd | 対物レンズ駆動装置 |
JPS5965943A (ja) * | 1982-10-06 | 1984-04-14 | Alps Electric Co Ltd | 対物レンズ駆動装置 |
JPS5987630A (ja) * | 1982-11-10 | 1984-05-21 | Hitachi Ltd | 光学ヘツド駆動装置 |
JPS5999225U (ja) * | 1982-12-23 | 1984-07-05 | 日本電気ホームエレクトロニクス株式会社 | 光学式ピツクアツプ装置 |
JPS59195336A (ja) * | 1983-04-19 | 1984-11-06 | Sharp Corp | 光集束位置制御装置 |
JPS59193551A (ja) * | 1983-04-18 | 1984-11-02 | Sharp Corp | 光集束位置制御装置 |
JPH045058Y2 (nl) * | 1984-12-28 | 1992-02-13 | ||
JPS61214230A (ja) * | 1985-03-20 | 1986-09-24 | Hitachi Ltd | 光デイスク装置 |
JPH0746426B2 (ja) * | 1986-04-22 | 1995-05-17 | 京セラ株式会社 | 高速ランダムアクセス方法 |
JPH0722744Y2 (ja) * | 1986-04-22 | 1995-05-24 | 京セラ株式会社 | 光ピツクアツプ |
JPH0738254B2 (ja) * | 1986-06-09 | 1995-04-26 | 富士通株式会社 | 光ディスク装置のトラッキング回路 |
JPH0775077B2 (ja) * | 1987-01-22 | 1995-08-09 | 松下電器産業株式会社 | 光デイスク装置 |
JP2565408B2 (ja) * | 1989-12-28 | 1996-12-18 | 日本マランツ株式会社 | 光学式ピックアップのトラッキングに対するブレーキ回路 |
JP2606545B2 (ja) * | 1993-04-02 | 1997-05-07 | 株式会社日立製作所 | 情報記憶装置 |
-
1980
- 1980-10-25 JP JP14973380A patent/JPS5774839A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5774839A (en) | 1982-05-11 |
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