JPS5826666U - Rotation speed detection device - Google Patents

Rotation speed detection device

Info

Publication number
JPS5826666U
JPS5826666U JP11879681U JP11879681U JPS5826666U JP S5826666 U JPS5826666 U JP S5826666U JP 11879681 U JP11879681 U JP 11879681U JP 11879681 U JP11879681 U JP 11879681U JP S5826666 U JPS5826666 U JP S5826666U
Authority
JP
Japan
Prior art keywords
detection device
disk
speed detection
shaped body
rotational speed
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
Application number
JP11879681U
Other languages
Japanese (ja)
Inventor
博 山下
Original Assignee
株式会社東芝
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP11879681U priority Critical patent/JPS5826666U/en
Publication of JPS5826666U publication Critical patent/JPS5826666U/en
Pending legal-status Critical Current

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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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案になる回転速度検出装置をキャプスタン
装置に適用した場合の一実施例を示す縦断面図、第２図
ａは第１図の装置のキャプスタンフライホイルの平面図
、同図すは同キャプスタンフライホイルの溝を示す拡大
展開図であり、第３図は第１図の装置の基板に設けられ
たパターンを示す図である。 ２・・・基板、３・・・キャプスタンフライホイル、５
・・・キャプスタンシャフト、１２・・・溝、１３・・
・パターン。FIG. 1 is a longitudinal sectional view showing an embodiment of the rotational speed detection device of the present invention applied to a capstan device, and FIG. 2a is a plan view of the capstan flywheel of the device shown in FIG. The figure is an enlarged developed view showing the grooves of the capstan flywheel, and FIG. 3 is a diagram showing a pattern provided on the substrate of the device of FIG. 1. 2... Board, 3... Capstan flywheel, 5
... Capstan shaft, 12... Groove, 13...
·pattern.

Claims (3)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）回転軸に取り付けられ、一方の面に複数の凹部が
周方向に形成され、両面がそれぞれ異なる極性に磁化さ
れたプラスチックマグネットよりなる盤状体と、この盤
状体の前記凹部が形成された面と対向し、その対向面に
パターンが形成された基板とを有し、盤状体の回転によ
り前記パターンから回転に同期したパルスを得るように
構成したことを特徴とする回転速度検出装置。(1) A disk-shaped body that is attached to a rotating shaft and has a plurality of recesses formed in the circumferential direction on one surface, and is made of a plastic magnet with both sides magnetized to different polarities, and the recesses of this disk-shaped body are formed. A rotational speed detection device comprising: a substrate facing the surface of the disk and having a pattern formed on the opposing surface, and configured to obtain pulses synchronized with the rotation from the pattern by rotation of the disk-shaped body. Device. （２）回転軸はキャプスタンシャフトであり、盤状体は
キャプスタンフライホイルであることを特徴とする実用
新案登録請求の範囲第１項記載の回転速度検出装置。(2) The rotational speed detecting device according to claim 1, wherein the rotating shaft is a capstan shaft, and the plate-shaped body is a capstan flywheel. （３）キャプスタンシャフトはセラミックからなること
を特徴とする実用新案登録請求の範囲第２項記載の回転
速度検出装置。(3) The rotational speed detection device according to claim 2, wherein the capstan shaft is made of ceramic.
JP11879681U 1981-08-12 1981-08-12 Rotation speed detection device Pending JPS5826666U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11879681U JPS5826666U (en) 1981-08-12 1981-08-12 Rotation speed detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11879681U JPS5826666U (en) 1981-08-12 1981-08-12 Rotation speed detection device

Publications (1)

Publication Number Publication Date
JPS5826666U true JPS5826666U (en) 1983-02-21

Family

ID=29912899

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11879681U Pending JPS5826666U (en) 1981-08-12 1981-08-12 Rotation speed detection device

Country Status (1)

Country Link
JP (1) JPS5826666U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952175A1 (en) * 2009-11-05 2011-05-06 Infineon Technologies Ag MAGNETIC MEMBER FORMING ENCODER FOR USE IN A POSITION MEASUREMENT SYSTEM.

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952175A1 (en) * 2009-11-05 2011-05-06 Infineon Technologies Ag MAGNETIC MEMBER FORMING ENCODER FOR USE IN A POSITION MEASUREMENT SYSTEM.
JP2011099857A (en) * 2009-11-05 2011-05-19 Infineon Technologies Ag Magnetic encoder element for position measurement

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