JP2502494Y2 - ピックアップの移動速度検出装置 - Google Patents
ピックアップの移動速度検出装置Info
- Publication number
- JP2502494Y2 JP2502494Y2 JP1987088205U JP8820587U JP2502494Y2 JP 2502494 Y2 JP2502494 Y2 JP 2502494Y2 JP 1987088205 U JP1987088205 U JP 1987088205U JP 8820587 U JP8820587 U JP 8820587U JP 2502494 Y2 JP2502494 Y2 JP 2502494Y2
- Authority
- JP
- Japan
- Prior art keywords
- pickup
- tracking
- signal
- moving speed
- error signal
- 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
- 238000001514 detection method Methods 0.000 claims description 26
- 238000000034 method Methods 0.000 description 6
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 101000642345 Homo sapiens Sperm-associated antigen 16 protein Proteins 0.000 description 1
- 102100036373 Sperm-associated antigen 16 protein Human genes 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005520 electrodynamics Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000010287 polarization Effects 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 |
---|---|---|---|
JP1987088205U JP2502494Y2 (ja) | 1987-06-08 | 1987-06-08 | ピックアップの移動速度検出装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1987088205U JP2502494Y2 (ja) | 1987-06-08 | 1987-06-08 | ピックアップの移動速度検出装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS63200269U JPS63200269U (enrdf_load_stackoverflow) | 1988-12-23 |
JP2502494Y2 true JP2502494Y2 (ja) | 1996-06-26 |
Family
ID=30946107
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1987088205U Expired - Lifetime JP2502494Y2 (ja) | 1987-06-08 | 1987-06-08 | ピックアップの移動速度検出装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2502494Y2 (enrdf_load_stackoverflow) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5545132A (en) * | 1978-09-27 | 1980-03-29 | Hitachi Ltd | Access control system of magnetic disk memory unit |
JPS5611660A (en) * | 1979-07-09 | 1981-02-05 | Hitachi Ltd | Arm drive circuit for video disc player |
JPS5858690A (ja) * | 1981-10-01 | 1983-04-07 | オムロン株式会社 | 発券装置 |
JPS60263345A (ja) * | 1984-06-12 | 1985-12-26 | Yokogawa Hokushin Electric Corp | 光メモリ装置 |
-
1987
- 1987-06-08 JP JP1987088205U patent/JP2502494Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS63200269U (enrdf_load_stackoverflow) | 1988-12-23 |
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