JPS608821U - ロ−タリエンコ−ダ - Google Patents

ロ−タリエンコ−ダ

Info

Publication number
JPS608821U
JPS608821U JP1983100271U JP10027183U JPS608821U JP S608821 U JPS608821 U JP S608821U JP 1983100271 U JP1983100271 U JP 1983100271U JP 10027183 U JP10027183 U JP 10027183U JP S608821 U JPS608821 U JP S608821U
Authority
JP
Japan
Prior art keywords
rotor
optical fiber
case body
end surface
rotary encoder
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
Application number
JP1983100271U
Other languages
English (en)
Other versions
JPH0226013Y2 (ja
Inventor
松永　弘
下嶋　庸司
一郎 徳永
小畑　光誠
Original Assignee
アルプス電気株式会社
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 アルプス電気株式会社 filed Critical アルプス電気株式会社
Priority to JP1983100271U priority Critical patent/JPS608821U/ja
Priority to US06/626,636 priority patent/US4580871A/en
Publication of JPS608821U publication Critical patent/JPS608821U/ja
Application granted granted Critical
Publication of JPH0226013Y2 publication Critical patent/JPH0226013Y2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/347—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • G01D5/34723—Scale reading or illumination devices involving light-guides

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (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。

Description

【図面の簡単な説明】
第１図は従来の反射型のロータリエンコーダの説明図、
第２図は第１図の要部拡大断面図、第３図はこの考案に
係るロークリエンコーダの部分分解斜視図、第４図はこ
の考案に係るロータリエンコーダの平面図、第５図は第
４図の■−■線に沿う断面図、第６図及び第７図は第５
図に示したファイバ取付駒の斜視図、第８図は第３図に
示した”素子取付ケースの斜視図、第９図はこの考案の
ロータリエンコーダの作動説明図、第１０図はこの考案
品出力波形を表わす図である。 ９・・・・・・ケース本体、１０・・・・・・素子取付
ケース、１６・・・・・・ロータ取付軸、１８・・・・
・田−タ、１９・・・・・・反射面、２０・・・・・・
非反射面、２５・・・・・・光ファイバ（出力用）、２
６．　２７・・・・・・光ファイバ（入力用）、２９．
　３０・・・・・・溝、３１．３２・・・・・・係合ビ
ン、３３．３４・・・・・・ピン係合孔、３５．３６・
・・・・・係合突部、４０．４１・・・・・・受光素子
、４２・・・・・・発光素子。

Claims (1)

    【実用新案登録請求の範囲】
  1. ケース本体内にロータを回転自在に保持させ、このロー
    タの周縁部に反射面と非反射面とを周方向に等ピッチで
    交互に形成し、並設された２本の入力用光ファイバ及び
    これらの間に配設された出力用光ファイバを前記ケース
    本体に保持させ、前記各光ファイバの一端面を揃えて前
    記ロータの周縁部に対向させ、前記各光ファイバの他端
    面を前記ケース本体の外表面に露出させると共に、前記
    ケース本体に素子取付ケースを前記各光ファイバの他端
    面を覆うように且つ着脱可能に装着し、前記出力光ファ
    イバの他端面に対向させた発光素子と前記各入力用光フ
    ァイバの他端面に対向させた受光素子とを前記素子取付
    ケースに装着したことを特徴とするロータリエンコーダ
    。
JP1983100271U 1983-06-30 1983-06-30 ロ−タリエンコ−ダ Granted JPS608821U (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1983100271U JPS608821U (ja) 1983-06-30 1983-06-30 ロ−タリエンコ−ダ
US06/626,636 US4580871A (en) 1983-06-30 1984-07-02 Rotary encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1983100271U JPS608821U (ja) 1983-06-30 1983-06-30 ロ−タリエンコ−ダ

Publications (2)

Publication Number Publication Date
JPS608821U true JPS608821U (ja) 1985-01-22
JPH0226013Y2 JPH0226013Y2 (ja) 1990-07-17

Family

ID=14269538

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1983100271U Granted JPS608821U (ja) 1983-06-30 1983-06-30 ロ−タリエンコ−ダ

Country Status (2)

Country Link
US (1) US4580871A (ja)
JP (1) JPS608821U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03279639A (ja) * 1990-03-28 1991-12-10 Hitachi Ltd 内燃機関の回転数検出装置

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3809454A1 (de) * 1987-03-30 1988-10-20 Kollmorgen Corp Optische lichtleiter-sensor-vorrichtung fuer einen elektrischen motor
GB8820742D0 (en) * 1988-09-02 1988-10-05 Alcatel Business Systems Optical encoder
DE3841275A1 (de) * 1988-12-08 1990-06-13 Meinecke Ag H Impulsgebereinrichtung fuer mengenzaehler
JPH0344620U (ja) * 1989-09-12 1991-04-25
US5050940A (en) * 1990-02-05 1991-09-24 Allied-Signal Inc. Brake control and anti-skid system
CH683870A5 (fr) * 1991-01-22 1994-05-31 Tesa Sa Capteur optoélectronique de mesure de grandeurs linéaires.
US5214278A (en) * 1991-11-01 1993-05-25 Combustion Engineering, Inc. Apparatus for monitoring speed and lateral position of a rotating shaft having reflective surfaces
US7117950B2 (en) * 2004-06-07 2006-10-10 Mclane Jr Samuel D Fire suppression system
US9122017B2 (en) 2013-05-16 2015-09-01 Raytheon Company Optical interconnect for rolling slip rings

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574464A (en) * 1978-11-29 1980-06-05 Sharp Corp Photoelectric body detector
JPS5629467U (ja) * 1979-08-10 1981-03-20
JPS5796203A (en) * 1980-12-08 1982-06-15 Toyota Central Res & Dev Lab Inc Contactless displacement detector employing optical fiber

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5393330A (en) * 1977-01-28 1978-08-16 Hitachi Ltd Inverter control
US4302069A (en) * 1977-09-06 1981-11-24 Niemi Gary A Illumination system and apparatus therefor
JPS5483448A (en) * 1977-12-15 1979-07-03 Nec Corp Machanical photo switch
US4277134A (en) * 1978-01-19 1981-07-07 Honeywell Inc. Fiber optic loop signal coupler apparatus
US4261638A (en) * 1978-10-02 1981-04-14 Bell Laboratories Optical switch with rotating, reflective, concave surface
US4245884A (en) * 1978-12-22 1981-01-20 International Business Machines Corporation Optical coupler for interconnecting two or more optical transmission lines
US4329017A (en) * 1979-08-14 1982-05-11 Kaptron, Inc. Fiber optics communications modules
JPS5729852A (en) * 1980-07-31 1982-02-17 Toyota Motor Corp Hydraulic pressure controller of automatic transmission for vehicle
US4401360A (en) * 1980-08-04 1983-08-30 Texas Instruments Incorporated Optical slip ring
DE3041875C2 (de) * 1980-11-06 1984-05-10 Krautkrämer GmbH, 5000 Köln Vorrichtung zur Erzeugung von Ultraschallwellen
US4469941A (en) * 1982-03-15 1984-09-04 General Dynamics, Pomona Division Parallel-in, serial-out fiber optic image scanner
US4482805A (en) * 1982-03-15 1984-11-13 General Dynamics, Pomona Division Fiber optic matrix multiplier
US4525025A (en) * 1983-03-21 1985-06-25 Litton Systems Inc. Fiber optic rotary joint using a reflective surface and tangentially mounted rotor and stator optical fibers

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5574464A (en) * 1978-11-29 1980-06-05 Sharp Corp Photoelectric body detector
JPS5629467U (ja) * 1979-08-10 1981-03-20
JPS5796203A (en) * 1980-12-08 1982-06-15 Toyota Central Res & Dev Lab Inc Contactless displacement detector employing optical fiber

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03279639A (ja) * 1990-03-28 1991-12-10 Hitachi Ltd 内燃機関の回転数検出装置

Also Published As

Publication number Publication date
US4580871A (en) 1986-04-08
JPH0226013Y2 (ja) 1990-07-17

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