JPS5960764A - ヘツド位置決め装置 - Google Patents
ヘツド位置決め装置Info
- Publication number
- JPS5960764A JPS5960764A JP17034782A JP17034782A JPS5960764A JP S5960764 A JPS5960764 A JP S5960764A JP 17034782 A JP17034782 A JP 17034782A JP 17034782 A JP17034782 A JP 17034782A JP S5960764 A JPS5960764 A JP S5960764A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- speed
- voice coil
- circuit
- coil motor
- 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.)
- Granted
Links
- 230000002159 abnormal effect Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000005856 abnormality Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000875 corresponding effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000004804 winding 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
- Moving Of Head For Track Selection And Changing (AREA)
- Safety Devices In Control Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17034782A JPS5960764A (ja) | 1982-09-29 | 1982-09-29 | ヘツド位置決め装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17034782A JPS5960764A (ja) | 1982-09-29 | 1982-09-29 | ヘツド位置決め装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5960764A true JPS5960764A (ja) | 1984-04-06 |
JPH0440793B2 JPH0440793B2 (enrdf_load_stackoverflow) | 1992-07-06 |
Family
ID=15903238
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17034782A Granted JPS5960764A (ja) | 1982-09-29 | 1982-09-29 | ヘツド位置決め装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5960764A (enrdf_load_stackoverflow) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62239481A (ja) * | 1986-04-10 | 1987-10-20 | Canon Inc | 情報記録再生装置 |
JPS62295280A (ja) * | 1986-06-16 | 1987-12-22 | Canon Inc | 情報記録再生装置 |
JPH0778429A (ja) * | 1993-09-10 | 1995-03-20 | Nec Corp | 磁気ヘッド位置決め装置 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52137309A (en) * | 1976-05-12 | 1977-11-16 | Hitachi Ltd | Head runaway detection circuit |
JPS54151785A (en) * | 1978-05-20 | 1979-11-29 | Fujitsu Ltd | System for detecting abnormal speed of moving body |
JPS5522207A (en) * | 1978-07-28 | 1980-02-16 | Nippon Telegr & Teleph Corp <Ntt> | Control method for head positioning |
JPS563468A (en) * | 1979-06-21 | 1981-01-14 | Toshiba Corp | Magnetic disk device |
-
1982
- 1982-09-29 JP JP17034782A patent/JPS5960764A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52137309A (en) * | 1976-05-12 | 1977-11-16 | Hitachi Ltd | Head runaway detection circuit |
JPS54151785A (en) * | 1978-05-20 | 1979-11-29 | Fujitsu Ltd | System for detecting abnormal speed of moving body |
JPS5522207A (en) * | 1978-07-28 | 1980-02-16 | Nippon Telegr & Teleph Corp <Ntt> | Control method for head positioning |
JPS563468A (en) * | 1979-06-21 | 1981-01-14 | Toshiba Corp | Magnetic disk device |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62239481A (ja) * | 1986-04-10 | 1987-10-20 | Canon Inc | 情報記録再生装置 |
JPS62295280A (ja) * | 1986-06-16 | 1987-12-22 | Canon Inc | 情報記録再生装置 |
JPH0778429A (ja) * | 1993-09-10 | 1995-03-20 | Nec Corp | 磁気ヘッド位置決め装置 |
Also Published As
Publication number | Publication date |
---|---|
JPH0440793B2 (enrdf_load_stackoverflow) | 1992-07-06 |
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