JPH0332765U - - Google Patents
Info
- Publication number
- JPH0332765U JPH0332765U JP1989090202U JP9020289U JPH0332765U JP H0332765 U JPH0332765 U JP H0332765U JP 1989090202 U JP1989090202 U JP 1989090202U JP 9020289 U JP9020289 U JP 9020289U JP H0332765 U JPH0332765 U JP H0332765U
- Authority
- JP
- Japan
- Prior art keywords
- lock
- spindle
- cam ring
- coil
- control 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.)
- Granted
Links
- 230000002401 inhibitory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/22—Brakes other than speed-regulating brakes
Landscapes
- Rotational Drive Of Disk (AREA)
- Moving Of Heads (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090202U JPH0722762Y2 (ja) | 1989-07-31 | 1989-07-31 | 磁気ディスク用スピンドル・ロック装置 |
| US07/560,638 US5157566A (en) | 1989-07-31 | 1990-07-31 | Magnetic disk drive having a lock mechanism for preventing rotation of a disk spindle after the disk spindle is stopped |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989090202U JPH0722762Y2 (ja) | 1989-07-31 | 1989-07-31 | 磁気ディスク用スピンドル・ロック装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0332765U true JPH0332765U (US20070244113A1-20071018-C00087.png) | 1991-03-29 |
| JPH0722762Y2 JPH0722762Y2 (ja) | 1995-05-24 |
Family
ID=13991904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989090202U Expired - Lifetime JPH0722762Y2 (ja) | 1989-07-31 | 1989-07-31 | 磁気ディスク用スピンドル・ロック装置 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US5157566A (US20070244113A1-20071018-C00087.png) |
| JP (1) | JPH0722762Y2 (US20070244113A1-20071018-C00087.png) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6535359B1 (en) | 1999-08-25 | 2003-03-18 | Seagate Technology Llc | Inertial latch for mobile and small disc drives |
| US6633448B1 (en) * | 2000-09-06 | 2003-10-14 | International Business Machines Corporation | Disk data storage device having improved tolerance for stressful environments |
| US6862153B2 (en) * | 2000-09-06 | 2005-03-01 | Hitachi, Ltd. | Apparatus for latching a magnetic disk |
| US6867946B1 (en) | 2002-01-31 | 2005-03-15 | Western Digital Technologies, Inc. | Disk drive employing a spindle motor comprising a locking spring arm disengaged through stator coil flux |
| US6801389B1 (en) | 2002-01-31 | 2004-10-05 | Western Digital Technologies, Inc. | Disk drive employing a spindle motor comprising a hub ratchet arm disengaged through angular velocity |
| US6844996B1 (en) | 2002-01-31 | 2005-01-18 | Western Digital Technologies, Inc. | Disk drive comprising a ratchet arm applied to a disk and disengaged through windage generated by the disk rotating |
| TW200638341A (en) * | 2005-04-20 | 2006-11-01 | Benq Corp | Disc driver |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2881264A (en) * | 1956-09-10 | 1959-04-07 | Mc Graw Edison Co | Dictation equipment |
| US3936056A (en) * | 1975-03-17 | 1976-02-03 | International Business Machines Corporation | Spindle depress/brake mechanism |
| NL182609C (nl) * | 1977-02-10 | 1988-04-05 | Philips Nv | Videoplatenspeler. |
| DE2967103D1 (en) * | 1978-10-03 | 1984-08-16 | Tokyo Shibaura Electric Co | Semiconductor memory device |
| DE2917385A1 (de) * | 1979-04-28 | 1980-11-13 | Papst Motoren Kg | Verfahren zum betrieb eines plattenspeichers |
| JPS56105362A (en) * | 1980-01-22 | 1981-08-21 | Sony Corp | Record player |
| JPS56105363A (en) * | 1980-01-22 | 1981-08-21 | Sony Corp | Record player |
| JPS56105365A (en) * | 1980-01-22 | 1981-08-21 | Sony Corp | Record player |
| US4331989A (en) * | 1980-05-15 | 1982-05-25 | Priam Corporation | Magnetic disc file having dual lock mechanism |
| NL8006353A (nl) * | 1980-11-21 | 1982-06-16 | Philips Nv | Signaalvergelijkingsschakeling. |
| JPS57103164A (en) * | 1980-12-18 | 1982-06-26 | Toshiba Corp | Rotation breaking device of magnetic disk device |
| US4807071A (en) * | 1984-03-12 | 1989-02-21 | Matsushita Electric Industrial Co., Ltd. | Mechanism for preventing damage to the magnetic head and medium of a magnetic recording/reproducing apparatus during transport |
| JPH06101215B2 (ja) * | 1986-09-08 | 1994-12-12 | 富士通株式会社 | 磁気デイスク装置の吸着解除方法 |
| US4979062A (en) * | 1987-05-29 | 1990-12-18 | Conner Peripherals, Inc. | Disk drive architecture |
| US4831469A (en) * | 1987-07-29 | 1989-05-16 | International Business Machines Corporation | Disk drive head retract and motor braking method and apparatus |
| JPH01204270A (ja) * | 1988-02-08 | 1989-08-16 | Toshiba Corp | 情報処理装置 |
| JPH02105375A (ja) * | 1988-10-14 | 1990-04-17 | Mitsubishi Electric Corp | 磁気ヘッドを担持するキャリアの自動錠止装置 |
| JPH02172076A (ja) * | 1988-12-23 | 1990-07-03 | Toshiba Corp | ロック機構 |
-
1989
- 1989-07-31 JP JP1989090202U patent/JPH0722762Y2/ja not_active Expired - Lifetime
-
1990
- 1990-07-31 US US07/560,638 patent/US5157566A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0722762Y2 (ja) | 1995-05-24 |
| US5157566A (en) | 1992-10-20 |
