JPS596775U - Rotation speed detection mechanism - Google Patents
Rotation speed detection mechanismInfo
- Publication number
- JPS596775U JPS596775U JP10121282U JP10121282U JPS596775U JP S596775 U JPS596775 U JP S596775U JP 10121282 U JP10121282 U JP 10121282U JP 10121282 U JP10121282 U JP 10121282U JP S596775 U JPS596775 U JP S596775U
- Authority
- JP
- Japan
- Prior art keywords
- rotation speed
- speed detection
- detection mechanism
- magnet
- turntable
- 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
Landscapes
- Transmission And Conversion Of Sensor Element Output (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図はこの考案の一実施例を示す断面図、第２図ａ、
ｂは磁石の構成を示す平面図とＸ−Ｘ線による断面
図、第３図ａ、 ｂは磁石の他の構成を示す平面図と
Ｙ−Ｙ線による断面図、第４図は磁石のさらに他の構成
を示す平面図である。
図中、２はスピンドルモータ、３はモータ軸、４はター
ンテーブル、６はチャッキング機構、７．−７１〜７７
は磁石、９はホール素子、Ｄはディスク、ＦＨは磁力線
である。Figure 1 is a sectional view showing an embodiment of this invention, Figure 2a,
b is a plan view showing the configuration of the magnet and a cross-sectional view taken along the line FIG. 7 is a plan view showing another configuration. In the figure, 2 is a spindle motor, 3 is a motor shaft, 4 is a turntable, 6 is a chucking mechanism, and 7. -71~77
is a magnet, 9 is a Hall element, D is a disk, and FH is a line of magnetic force.
Claims (1)
キング機構に設けた片面が２ｎ極の磁石と、前記磁石か
ら発生する磁力線を検出する磁気検出器で構成したこと
を特徴とする回転数検出機構。A rotation speed detection mechanism comprising: a magnet with a 2n pole on one side provided on a turntable or a chucking mechanism for fixing a disk; and a magnetic detector that detects lines of magnetic force generated from the magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10121282U JPS596775U (en) | 1982-07-06 | 1982-07-06 | Rotation speed detection mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10121282U JPS596775U (en) | 1982-07-06 | 1982-07-06 | Rotation speed detection mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS596775U true JPS596775U (en) | 1984-01-17 |
Family
ID=30239099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10121282U Pending JPS596775U (en) | 1982-07-06 | 1982-07-06 | Rotation speed detection mechanism |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596775U (en) |
-
1982
- 1982-07-06 JP JP10121282U patent/JPS596775U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6374755U (en) | ||
| JPS596775U (en) | Rotation speed detection mechanism | |
| JPS616768U (en) | Electromagnetic rotation speed detection device | |
| JPS5966366U (en) | Rotation transmission device using a motor | |
| JPS6031666U (en) | Rotation speed detection device | |
| JPS6028476U (en) | Motor with rotation speed detector | |
| JPS59145282U (en) | brushless motor | |
| JPS60108190U (en) | rotation detection device | |
| JPS60186883U (en) | Brushless DC motor sensor device | |
| JPS6133259U (en) | disk drive | |
| JPS6028475U (en) | actuator | |
| JPS59180267U (en) | commutatorless motor | |
| JPS609032U (en) | tape guide drum | |
| JPS58133637U (en) | Magnetic variable inertia flywheel | |
| JPS59173474U (en) | rotating rectifier | |
| JPS6044270U (en) | Positioning mechanism of magnetic disk device | |
| JPS60140260U (en) | Floppy disk drive index signal detection device | |
| JPS60141678U (en) | Electric motor speed detection device | |
| JPS5896214U (en) | Vehicle speedometer pointer stop device | |
| JPS60135061U (en) | Induction motor rotation detector | |
| JPS6290441U (en) | ||
| JPS59173147U (en) | tape drive device | |
| JPS6074271U (en) | magnetic disk device | |
| JPS6044249U (en) | disc clamping device | |
| JPS6048341U (en) | Motor mounting structure |