JPS52137309A - Head runaway detection circuit - Google Patents
Head runaway detection circuitInfo
- Publication number
- JPS52137309A JPS52137309A JP5326676A JP5326676A JPS52137309A JP S52137309 A JPS52137309 A JP S52137309A JP 5326676 A JP5326676 A JP 5326676A JP 5326676 A JP5326676 A JP 5326676A JP S52137309 A JPS52137309 A JP S52137309A
- Authority
- JP
- Japan
- Prior art keywords
- head
- detection circuit
- runaway detection
- runaway
- voltage
- 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.)
- Pending
Links
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)
Abstract
PURPOSE:To prevent the runaway of a head by generating a signal when the both terminals voltage of resistance connected in series with the driving coil of head positioning mechanism exceeds fixed voltage.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5326676A JPS52137309A (en) | 1976-05-12 | 1976-05-12 | Head runaway detection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5326676A JPS52137309A (en) | 1976-05-12 | 1976-05-12 | Head runaway detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52137309A true JPS52137309A (en) | 1977-11-16 |
Family
ID=12937951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5326676A Pending JPS52137309A (en) | 1976-05-12 | 1976-05-12 | Head runaway detection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52137309A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5960764A (en) * | 1982-09-29 | 1984-04-06 | Toshiba Corp | Head positioning device |
JPS60182567A (en) * | 1984-02-29 | 1985-09-18 | Mitsubishi Electric Corp | Linear motor control circuit |
JPS62295280A (en) * | 1986-06-16 | 1987-12-22 | Canon Inc | Information recording and reproducing device |
JPH01500383A (en) * | 1987-03-03 | 1989-02-09 | ユニシス・コーポレーシヨン | Preventing destruction of disk drive positioning systems |
JPH0778429A (en) * | 1993-09-10 | 1995-03-20 | Nec Corp | Magnetic head positioning device |
-
1976
- 1976-05-12 JP JP5326676A patent/JPS52137309A/en active Pending
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5960764A (en) * | 1982-09-29 | 1984-04-06 | Toshiba Corp | Head positioning device |
JPH0440793B2 (en) * | 1982-09-29 | 1992-07-06 | Tokyo Shibaura Electric Co | |
JPS60182567A (en) * | 1984-02-29 | 1985-09-18 | Mitsubishi Electric Corp | Linear motor control circuit |
JPH0243274B2 (en) * | 1984-02-29 | 1990-09-27 | ||
JPS62295280A (en) * | 1986-06-16 | 1987-12-22 | Canon Inc | Information recording and reproducing device |
JPH01500383A (en) * | 1987-03-03 | 1989-02-09 | ユニシス・コーポレーシヨン | Preventing destruction of disk drive positioning systems |
JPH0778429A (en) * | 1993-09-10 | 1995-03-20 | Nec Corp | Magnetic head positioning device |
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