JPS576342A - Detector for state of road surface - Google Patents

Detector for state of road surface

Info

Publication number
JPS576342A
JPS576342A JP8043280A JP8043280A JPS576342A JP S576342 A JPS576342 A JP S576342A JP 8043280 A JP8043280 A JP 8043280A JP 8043280 A JP8043280 A JP 8043280A JP S576342 A JPS576342 A JP S576342A
Authority
JP
Japan
Prior art keywords
light
projector
states
road surface
detector
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
JP8043280A
Other languages
English (en)
Inventor
Takaaki Kotake
Hiroshi Fukamizu
Masashi Nakano
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.)
Omron Corp
Original Assignee
Omron Tateisi Electronics Co
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 Omron Tateisi Electronics Co filed Critical Omron Tateisi Electronics Co
Priority to JP8043280A priority Critical patent/JPS576342A/ja
Publication of JPS576342A publication Critical patent/JPS576342A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/16—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void using electric radiation detectors
    • G01J1/1626—Arrangements with two photodetectors, the signals of which are compared

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP8043280A 1980-06-13 1980-06-13 Detector for state of road surface Pending JPS576342A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8043280A JPS576342A (en) 1980-06-13 1980-06-13 Detector for state of road surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8043280A JPS576342A (en) 1980-06-13 1980-06-13 Detector for state of road surface

Publications (1)

Publication Number Publication Date
JPS576342A true JPS576342A (en) 1982-01-13

Family

ID=13718098

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8043280A Pending JPS576342A (en) 1980-06-13 1980-06-13 Detector for state of road surface

Country Status (1)

Country Link
JP (1) JPS576342A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120531U (ja) * 1987-01-28 1988-08-04

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63120531U (ja) * 1987-01-28 1988-08-04

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