JPH0739054Y2 - 光ディスク駆動装置 - Google Patents
光ディスク駆動装置Info
- Publication number
- JPH0739054Y2 JPH0739054Y2 JP1989067610U JP6761089U JPH0739054Y2 JP H0739054 Y2 JPH0739054 Y2 JP H0739054Y2 JP 1989067610 U JP1989067610 U JP 1989067610U JP 6761089 U JP6761089 U JP 6761089U JP H0739054 Y2 JPH0739054 Y2 JP H0739054Y2
- Authority
- JP
- Japan
- Prior art keywords
- relative speed
- track
- light spot
- target
- circuit
- 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 title claims description 67
- 238000012937 correction Methods 0.000 claims description 23
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000013213 extrapolation Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 12
- 230000001133 acceleration Effects 0.000 description 9
- 230000010365 information processing Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000004065 semiconductor Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 238000007796 conventional method Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000012966 insertion method Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
- Moving Of The Head For Recording And Reproducing By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989067610U JPH0739054Y2 (ja) | 1989-06-10 | 1989-06-10 | 光ディスク駆動装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1989067610U JPH0739054Y2 (ja) | 1989-06-10 | 1989-06-10 | 光ディスク駆動装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0310313U JPH0310313U (enrdf_load_stackoverflow) | 1991-01-31 |
JPH0739054Y2 true JPH0739054Y2 (ja) | 1995-09-06 |
Family
ID=31601330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1989067610U Expired - Lifetime JPH0739054Y2 (ja) | 1989-06-10 | 1989-06-10 | 光ディスク駆動装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0739054Y2 (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5112954Y1 (enrdf_load_stackoverflow) * | 1967-04-04 | 1976-04-07 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63133364A (ja) * | 1986-11-25 | 1988-06-06 | Seiko Epson Corp | デイスク記憶装置 |
JPS63100677A (ja) * | 1986-10-17 | 1988-05-02 | Hitachi Ltd | ヘツド移動方式 |
-
1989
- 1989-06-10 JP JP1989067610U patent/JPH0739054Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0310313U (enrdf_load_stackoverflow) | 1991-01-31 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4918676A (en) | Track accessing apparatus for optical disk | |
US4866687A (en) | Optical disc access method and optical disk storage using coarse and fine actuators | |
JP2655109B2 (ja) | 光ディスク装置 | |
KR940002001B1 (ko) | 액세스 방법과 그 정보 검색장치 | |
EP0463820A2 (en) | Disk drive apparatus and a seek method for spiral tracks | |
US5768226A (en) | Information recording and/or reproducing method and apparatus in which seek of a recording and/or reproducing head is corrected on the basis of detected moving velocity | |
JPH04291025A (ja) | 光ディスク装置のシーク制御方法及びその回路 | |
US5675560A (en) | Information recording/reproducing apparatus with function of seeking light beam to target position, and method therefor | |
EP1229541A2 (en) | Method of searching for a boundary position between a recorded region and an unrecorded region of a recording disc, and information recording apparatus | |
JPH0739054Y2 (ja) | 光ディスク駆動装置 | |
EP0607045B1 (en) | Information recording and/or reproducing apparatus and information recording and/or reproducing method | |
US5661705A (en) | Optical disk pickup control apparatus and method providing stabilized search operations | |
JP2632969B2 (ja) | 光学式情報記録再生装置 | |
JP2539388B2 (ja) | 光ディスク高速シ―ク方法 | |
JP2698635B2 (ja) | 光ディスク装置及びそのトラックサーボオフセット補正方法 | |
JPH0536099A (ja) | 情報記録再生装置 | |
JPH0722771Y2 (ja) | 光デイスクプレ−ヤ | |
JPH0439151B2 (enrdf_load_stackoverflow) | ||
JPH0831262B2 (ja) | 光スポット位置決め方法 | |
JP2780467B2 (ja) | 光ディスク装置 | |
JP2732587B2 (ja) | ディスク装置のアクセス方法 | |
JP3123389B2 (ja) | 光ディスク装置 | |
JPS6333208B2 (enrdf_load_stackoverflow) | ||
JP2001236668A (ja) | チルト検出装置および方法 | |
JPH04339324A (ja) | 光ディスクのシーク装置 |