JPS6314283B2 - - Google Patents

Info

Publication number
JPS6314283B2
JPS6314283B2 JP57172839A JP17283982A JPS6314283B2 JP S6314283 B2 JPS6314283 B2 JP S6314283B2 JP 57172839 A JP57172839 A JP 57172839A JP 17283982 A JP17283982 A JP 17283982A JP S6314283 B2 JPS6314283 B2 JP S6314283B2
Authority
JP
Japan
Prior art keywords
coil
reflective
cylindrical coil
encoder
inner cylindrical
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
Application number
JP57172839A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5961712A (ja
Inventor
Yoshinori Masuda
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.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works 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 Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP57172839A priority Critical patent/JPS5961712A/ja
Publication of JPS5961712A publication Critical patent/JPS5961712A/ja
Publication of JPS6314283B2 publication Critical patent/JPS6314283B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F5/00—Coils
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/56—Motors or generators having iron cores separated from armature winding
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K23/00—DC commutator motors or generators having mechanical commutator; Universal AC/DC commutator motors
    • H02K23/66—Structural association with auxiliary electric devices influencing the characteristic of, or controlling, the machine, e.g. with impedances or switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optical Transform (AREA)
JP57172839A 1982-09-30 1982-09-30 反射型エンコ−ダ Granted JPS5961712A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57172839A JPS5961712A (ja) 1982-09-30 1982-09-30 反射型エンコ−ダ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57172839A JPS5961712A (ja) 1982-09-30 1982-09-30 反射型エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS5961712A JPS5961712A (ja) 1984-04-09
JPS6314283B2 true JPS6314283B2 (cg-RX-API-DMAC7.html) 1988-03-30

Family

ID=15949285

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57172839A Granted JPS5961712A (ja) 1982-09-30 1982-09-30 反射型エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS5961712A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6196403A (ja) * 1984-10-17 1986-05-15 Nec Corp 半導体装置の検査装置

Also Published As

Publication number Publication date
JPS5961712A (ja) 1984-04-09

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