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JPS524281A - Hood for photoelectric detection unit - Google Patents

Hood for photoelectric detection unit

Info

Publication number
JPS524281A
JPS524281A JP5357775A JP5357775A JPS524281A JP S524281 A JPS524281 A JP S524281A JP 5357775 A JP5357775 A JP 5357775A JP 5357775 A JP5357775 A JP 5357775A JP S524281 A JPS524281 A JP S524281A
Authority
JP
Japan
Prior art keywords
hood
detection unit
photoelectric detection
light
detected
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
JP5357775A
Other languages
Japanese (ja)
Inventor
Shoji Otsuka
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.)
SANYU GIJUTSU KENKYUSHO KK
SANYUU GIJIYUTSU KENKIYUUSHIYO
SANYUU GIJIYUTSU KENKIYUUSHIYO KK
Original Assignee
SANYU GIJUTSU KENKYUSHO KK
SANYUU GIJIYUTSU KENKIYUUSHIYO
SANYUU GIJIYUTSU KENKIYUUSHIYO KK
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 SANYU GIJUTSU KENKYUSHO KK, SANYUU GIJIYUTSU KENKIYUUSHIYO, SANYUU GIJIYUTSU KENKIYUUSHIYO KK filed Critical SANYU GIJUTSU KENKYUSHO KK
Priority to JP5357775A priority Critical patent/JPS524281A/en
Publication of JPS524281A publication Critical patent/JPS524281A/en
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
    • G01N21/8901—Optical details; Scanning details

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

PURPOSE:To enable high-sensitivity detection without the effect of external irregular reflecting light by assembling flood-lighting element and light-receiving element in one single-piece case at a specific angle against an object to be detected.
JP5357775A 1975-05-02 1975-05-02 Hood for photoelectric detection unit Pending JPS524281A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5357775A JPS524281A (en) 1975-05-02 1975-05-02 Hood for photoelectric detection unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5357775A JPS524281A (en) 1975-05-02 1975-05-02 Hood for photoelectric detection unit

Publications (1)

Publication Number Publication Date
JPS524281A true JPS524281A (en) 1977-01-13

Family

ID=12946676

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5357775A Pending JPS524281A (en) 1975-05-02 1975-05-02 Hood for photoelectric detection unit

Country Status (1)

Country Link
JP (1) JPS524281A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629115U (en) * 1985-06-29 1987-01-20
JPS6230115U (en) * 1985-08-07 1987-02-23
JPS62108741A (en) * 1985-11-08 1987-05-20 Ohara Inc Production of optical element
JPH05340765A (en) * 1992-06-09 1993-12-21 Matsushita Electric Ind Co Ltd Optical encoder
JPH067006U (en) * 1992-06-29 1994-01-28 三菱マテリアル株式会社 Non-contact measuring machine

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4214753Y1 (en) * 1965-06-14 1967-08-23

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4214753Y1 (en) * 1965-06-14 1967-08-23

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS629115U (en) * 1985-06-29 1987-01-20
JPS6230115U (en) * 1985-08-07 1987-02-23
JPS62108741A (en) * 1985-11-08 1987-05-20 Ohara Inc Production of optical element
JPH05340765A (en) * 1992-06-09 1993-12-21 Matsushita Electric Ind Co Ltd Optical encoder
JPH067006U (en) * 1992-06-29 1994-01-28 三菱マテリアル株式会社 Non-contact measuring machine

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