JPS61187066U - - Google Patents
Info
- Publication number
- JPS61187066U JPS61187066U JP7109885U JP7109885U JPS61187066U JP S61187066 U JPS61187066 U JP S61187066U JP 7109885 U JP7109885 U JP 7109885U JP 7109885 U JP7109885 U JP 7109885U JP S61187066 U JPS61187066 U JP S61187066U
- Authority
- JP
- Japan
- Prior art keywords
- head
- magnetic
- step motor
- switching element
- excitation phase
- 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
- 230000005284 excitation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004886 head movement Effects 0.000 description 1
Landscapes
- Moving Of Head For Track Selection And Changing (AREA)
Description
第１図は本考案の実施例を示す回路図であり、
第２図は従来例の構成を示す図である。
１……ステツプモータ駆動回路、２……リレー
、３……気密箱、４……磁気デイスク、５……ス
ピンドルモータ、６……磁気ヘツド、７……アー
ム、８……回転子軸、９……ヘツド移動用モータ
、２１……駆動回路、Ｌａ〜Ｌｄ……励磁相、Ｓ
１，Ｓ２……スイツチング素子。
FIG. 1 is a circuit diagram showing an embodiment of the present invention,
FIG. 2 is a diagram showing the configuration of a conventional example. DESCRIPTION OF SYMBOLS 1...Step motor drive circuit, 2...Relay, 3...Airtight box, 4...Magnetic disk, 5...Spindle motor, 6...Magnetic head, 7...Arm, 8...Rotor shaft, 9 ...Head movement motor, 21...Drive circuit, La to Ld...Excitation phase, S
1 , S2 ...Switching element.
Claims (1)
磁気ヘツドを可動可能条件以外の時に静止固定さ
せる磁気記録再生装置に於いて、ヘツド移動用モ
ータをステツプモータとし、該ステツプモータの
励磁相にスイツチング素子を接続し、前記磁気ヘ
ツドが可動可能条件以外の時に励磁相を該スイツ
チング素子で閉路させて前記ステツプモータの回
転を制御し磁気ヘツドを静止固定することを特徴
とする磁気記録再生装置。 In a magnetic recording/reproducing device in which a magnetic head that moves across an information track on a magnetic medium is fixed stationary when the head is not movable, the motor for moving the head is a step motor, and a switching element is provided in the excitation phase of the step motor. A magnetic recording/reproducing apparatus characterized in that when the magnetic head is not in a movable condition, the excitation phase is closed by the switching element to control the rotation of the step motor and fix the magnetic head stationary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7109885U JPS61187066U (en) | 1985-05-14 | 1985-05-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7109885U JPS61187066U (en) | 1985-05-14 | 1985-05-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61187066U true JPS61187066U (en) | 1986-11-21 |
Family
ID=30608287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7109885U Pending JPS61187066U (en) | 1985-05-14 | 1985-05-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61187066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE44814E1 (en) | 1992-10-23 | 2014-03-18 | Avocent Huntsville Corporation | System and method for remote monitoring and operation of personal computers |
-
1985
- 1985-05-14 JP JP7109885U patent/JPS61187066U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USRE44814E1 (en) | 1992-10-23 | 2014-03-18 | Avocent Huntsville Corporation | System and method for remote monitoring and operation of personal computers |
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