JPH0136337B2 - - Google Patents
Info
- Publication number
- JPH0136337B2 JPH0136337B2 JP56184370A JP18437081A JPH0136337B2 JP H0136337 B2 JPH0136337 B2 JP H0136337B2 JP 56184370 A JP56184370 A JP 56184370A JP 18437081 A JP18437081 A JP 18437081A JP H0136337 B2 JPH0136337 B2 JP H0136337B2
- Authority
- JP
- Japan
- Prior art keywords
- magnet
- attached
- rotational position
- position signal
- hall element
- 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.)
- Expired
Links
- 239000010941 cobalt Substances 0.000 claims description 2
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical group 0.000 claims description 2
- 229910000859 α-Fe Inorganic materials 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- BGPVFRJUHWVFKM-UHFFFAOYSA-N N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] Chemical compound N1=C2C=CC=CC2=[N+]([O-])C1(CC1)CCC21N=C1C=CC=CC1=[N+]2[O-] BGPVFRJUHWVFKM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
- 238000004804 winding Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 244000145845 chattering Species 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/11—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier
- G11B27/13—Indexing; Addressing; Timing or synchronising; Measuring tape travel by using information not detectable on the record carrier the information being derived from movement of the record carrier, e.g. using tachometer
Landscapes
- Rotational Drive Of Disk (AREA)
- Control Of Position Or Direction (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56184370A JPS5886609A (ja) | 1981-11-19 | 1981-11-19 | 回転位置信号発生装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP56184370A JPS5886609A (ja) | 1981-11-19 | 1981-11-19 | 回転位置信号発生装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5886609A JPS5886609A (ja) | 1983-05-24 |
| JPH0136337B2 true JPH0136337B2 (pl) | 1989-07-31 |
Family
ID=16152028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP56184370A Granted JPS5886609A (ja) | 1981-11-19 | 1981-11-19 | 回転位置信号発生装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5886609A (pl) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6018669U (ja) * | 1983-07-12 | 1985-02-08 | 松下電器産業株式会社 | フロッピーディスク駆動用モータのインデックスセンサー用発光素子取付装置 |
| JPS60102790U (ja) * | 1983-12-19 | 1985-07-13 | セイコーエプソン株式会社 | インデツクス信号発生装置 |
| JPH0655026B2 (ja) * | 1984-02-02 | 1994-07-20 | キヤノン電子株式会社 | ブラシレスモーターのインデックス信号検出機構 |
| JPS60183956U (ja) * | 1984-05-16 | 1985-12-06 | 富士写真フイルム株式会社 | 回転磁気シ−ト装置 |
-
1981
- 1981-11-19 JP JP56184370A patent/JPS5886609A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5886609A (ja) | 1983-05-24 |
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