JPS528885A - Light fixed type crackdetector signal decision circuit - Google Patents

Light fixed type crackdetector signal decision circuit

Info

Publication number
JPS528885A
JPS528885A JP8437675A JP8437675A JPS528885A JP S528885 A JPS528885 A JP S528885A JP 8437675 A JP8437675 A JP 8437675A JP 8437675 A JP8437675 A JP 8437675A JP S528885 A JPS528885 A JP S528885A
Authority
JP
Japan
Prior art keywords
decision circuit
fixed type
crackdetector
light fixed
signal decision
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
JP8437675A
Other languages
Japanese (ja)
Other versions
JPS5718135B2 (en
Inventor
Yoshiyuki Nakai
Masakazu Fujita
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.)
Toyo Kohan Co Ltd
TOEI DENSHI KOGYO KK
Original Assignee
Toyo Kohan Co Ltd
TOEI DENSHI KOGYO 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 Toyo Kohan Co Ltd, TOEI DENSHI KOGYO KK filed Critical Toyo Kohan Co Ltd
Priority to JP8437675A priority Critical patent/JPS528885A/en
Publication of JPS528885A publication Critical patent/JPS528885A/en
Publication of JPS5718135B2 publication Critical patent/JPS5718135B2/ja
Granted 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

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)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

PURPOSE:A light fixed type crack detector signal decision circuit which enables stable decision of a external noise and lateral crack signal for a surface crack inspection of a band-type steel plate.
JP8437675A 1975-07-11 1975-07-11 Light fixed type crackdetector signal decision circuit Granted JPS528885A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8437675A JPS528885A (en) 1975-07-11 1975-07-11 Light fixed type crackdetector signal decision circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8437675A JPS528885A (en) 1975-07-11 1975-07-11 Light fixed type crackdetector signal decision circuit

Publications (2)

Publication Number Publication Date
JPS528885A true JPS528885A (en) 1977-01-24
JPS5718135B2 JPS5718135B2 (en) 1982-04-15

Family

ID=13828806

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8437675A Granted JPS528885A (en) 1975-07-11 1975-07-11 Light fixed type crackdetector signal decision circuit

Country Status (1)

Country Link
JP (1) JPS528885A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5826343A (en) * 1981-08-10 1983-02-16 Matsushita Electric Ind Co Ltd Tape recorder
JPS5953594U (en) * 1982-09-30 1984-04-07 パイオニア株式会社 magnetic recording and playback device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884688A (en) * 1972-02-08 1973-11-10
JPS4890289A (en) * 1972-02-29 1973-11-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4884688A (en) * 1972-02-08 1973-11-10
JPS4890289A (en) * 1972-02-29 1973-11-24

Also Published As

Publication number Publication date
JPS5718135B2 (en) 1982-04-15

Similar Documents

Publication Publication Date Title
NZ180199A (en) Method of testing for the presence of elevated plasma liprotein concentration
IT1041378B (en) DEVICE FOR THE DETECTION OF THE TRANSMISSION QUALITY IN THE NUMERICAL SIGNAL RECEIVERS
BE842208A (en) ABNORMAL PHENOMENON DETECTOR
DK176576A (en) APPARATUS FOR DETERMINING THE SURFACE CONTOUR OF AN OBJECT USING REFLECTED RAYS
DK312076A (en) PROCEDURE AND APPARATUS FOR MANUFACTURING MULTI-LAYER WINDOWS AND MULTI-LAYER WINDOWS MADE BY THE PROCEDURE
JPS5282601A (en) Circuit for rejecting rockkin noises
JPS51151569A (en) Improvement on automatic inspection of machined parts
GB1553518A (en) Signal defect compensation
ES8205060A1 (en) Apparatus for the inspection of translucent containers.
DK147386C (en) Apparatus for the manufacture of metal moldings
GB1540066A (en) Optical inspection systems
JPS528885A (en) Light fixed type crackdetector signal decision circuit
GB1551046A (en) Apparatus for determining the position of a spot of light on a plane surgace
ZA767607B (en) Method for the determination of pregnancy-colour test
GB1550334A (en) Radiation detecting arrangements
JPS5258373A (en) Inspection for defects of pattern forming film
PT65897A (en) Gasket inspection method
JPS5219059A (en) Exclusive or circuit
JPS5744802B2 (en)
JPS5271907A (en) Tone signal detector
JPS5256989A (en) Detector for detecting flaw by eddy current
JPS51140680A (en) Method for measurement of hardenss of metal by x-ray
TR18614A (en) PROCEDURE FOR THE IMALING OF PHENOLIC RECINES
JPS51135585A (en) Photodetector for spectro-photometer
DE3164994D1 (en) Circuit arrangement for the detection of stains on an object