JPS58165384A - 光電変換器 - Google Patents

光電変換器

Info

Publication number
JPS58165384A
JPS58165384A JP58035731A JP3573183A JPS58165384A JP S58165384 A JPS58165384 A JP S58165384A JP 58035731 A JP58035731 A JP 58035731A JP 3573183 A JP3573183 A JP 3573183A JP S58165384 A JPS58165384 A JP S58165384A
Authority
JP
Japan
Prior art keywords
emitter
light
slit
optical
code plate
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
JP58035731A
Other languages
English (en)
Japanese (ja)
Inventor
Aaru Kashiani Jieemuzu
ジエ−ムズ・ア−ル・カシアニ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
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 Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of JPS58165384A publication Critical patent/JPS58165384A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10F—INORGANIC SEMICONDUCTOR DEVICES SENSITIVE TO INFRARED RADIATION, LIGHT, ELECTROMAGNETIC RADIATION OF SHORTER WAVELENGTH OR CORPUSCULAR RADIATION
    • H10F30/00—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors
    • H10F30/20—Individual radiation-sensitive semiconductor devices in which radiation controls the flow of current through the devices, e.g. photodetectors the devices having potential barriers, e.g. phototransistors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
  • Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
JP58035731A 1982-03-05 1983-03-04 光電変換器 Pending JPS58165384A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/355,002 US4508965A (en) 1982-03-05 1982-03-05 Uniaxially collimated light source for optical shaft angle encoders
US355002 1989-05-18

Publications (1)

Publication Number Publication Date
JPS58165384A true JPS58165384A (ja) 1983-09-30

Family

ID=23395848

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58035731A Pending JPS58165384A (ja) 1982-03-05 1983-03-04 光電変換器

Country Status (3)

Country Link
US (1) US4508965A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JPS58165384A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3306790A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112304252A (zh) * 2020-10-30 2021-02-02 维沃移动通信有限公司 折叠角度确定方法、折叠设备及电子设备

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3444878A1 (de) * 1984-12-08 1986-06-12 Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen Abtastkopf fuer schrittgeber, insbesondere winkelschrittgeber
GB2194635B (en) * 1986-03-14 1991-01-02 Mitutoyo Mfg Co Ltd Photoelectric type displacement detecting instrument
US4660242A (en) * 1986-03-24 1987-04-28 International Shoe Machine Corporation Activator
US4952799A (en) * 1989-03-10 1990-08-28 Hewlett-Packard Company Reflective shaft angle encoder
DE19510726C2 (de) * 1994-03-31 2002-06-27 Siemens Microelectronics Inc Verfahren zur Ausrichtung eines Lichtweges bei einer Optikeinrichtung
DE19511474A1 (de) * 1994-03-31 1995-10-05 Siemens Comp Inc Optischer Kodierer
US7244928B2 (en) * 2005-01-07 2007-07-17 Avago Technologies Ecbu Ip (Singapore) Pte. Ltd. Optical encoder

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56151311A (en) * 1980-04-25 1981-11-24 Hitachi Ltd Detecting device for rotary angle

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3808447A (en) * 1971-05-28 1974-04-30 Wilkata Codes Inc Photoelectric scanning device using diffuse and specular reflection
US3999064A (en) * 1975-01-09 1976-12-21 The Brunton Company Angular displacement measuring apparatus with strobe means
US4319134A (en) * 1978-06-16 1982-03-09 Sensor Technology, Inc. Optical encoder
DE2848612C2 (de) * 1978-11-09 1981-05-27 Pfaff Haushaltsmaschinen GmbH, 7500 Karlsruhe Impulsgeber eines Nähmaschinenantriebes
US4263506A (en) * 1978-12-21 1981-04-21 Hewlett-Packard Company Pulse generating apparatus
US4266125A (en) * 1978-12-21 1981-05-05 Hewlett-Packard Company Optical shaft angle encoder
US4385234A (en) * 1980-11-25 1983-05-24 Bei Electronics, Inc. Optical systems for optical encoders

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56151311A (en) * 1980-04-25 1981-11-24 Hitachi Ltd Detecting device for rotary angle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112304252A (zh) * 2020-10-30 2021-02-02 维沃移动通信有限公司 折叠角度确定方法、折叠设备及电子设备

Also Published As

Publication number Publication date
US4508965A (en) 1985-04-02
DE3306790A1 (de) 1983-09-15
DE3306790C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1992-04-30

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