JPS57166510A - High-precision measuring device for angle of incidence - Google Patents

High-precision measuring device for angle of incidence

Info

Publication number
JPS57166510A
JPS57166510A JP56052651A JP5265181A JPS57166510A JP S57166510 A JPS57166510 A JP S57166510A JP 56052651 A JP56052651 A JP 56052651A JP 5265181 A JP5265181 A JP 5265181A JP S57166510 A JPS57166510 A JP S57166510A
Authority
JP
Japan
Prior art keywords
photodetecting
line
length
significant digit
slit
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
JP56052651A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6225966B2 (da
Inventor
Hideaki Koyama
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP56052651A priority Critical patent/JPS57166510A/ja
Publication of JPS57166510A publication Critical patent/JPS57166510A/ja
Publication of JPS6225966B2 publication Critical patent/JPS6225966B2/ja
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01DMEASURING 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
    • G01D5/00Mechanical 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
    • G01D5/26Mechanical 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
    • G01D5/32Mechanical 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
    • G01D5/34Mechanical 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
    • G01D5/36Forming the light into pulses

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Navigation (AREA)
JP56052651A 1981-04-08 1981-04-08 High-precision measuring device for angle of incidence Granted JPS57166510A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56052651A JPS57166510A (en) 1981-04-08 1981-04-08 High-precision measuring device for angle of incidence

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56052651A JPS57166510A (en) 1981-04-08 1981-04-08 High-precision measuring device for angle of incidence

Publications (2)

Publication Number Publication Date
JPS57166510A true JPS57166510A (en) 1982-10-14
JPS6225966B2 JPS6225966B2 (da) 1987-06-05

Family

ID=12920753

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56052651A Granted JPS57166510A (en) 1981-04-08 1981-04-08 High-precision measuring device for angle of incidence

Country Status (1)

Country Link
JP (1) JPS57166510A (da)

Also Published As

Publication number Publication date
JPS6225966B2 (da) 1987-06-05

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