JPS5590189A - Defect detector - Google Patents

Defect detector

Info

Publication number
JPS5590189A
JPS5590189A JP16228678A JP16228678A JPS5590189A JP S5590189 A JPS5590189 A JP S5590189A JP 16228678 A JP16228678 A JP 16228678A JP 16228678 A JP16228678 A JP 16228678A JP S5590189 A JPS5590189 A JP S5590189A
Authority
JP
Japan
Prior art keywords
signal
defect
minimum
value holding
comp
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
JP16228678A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6138907B2 (cs
Inventor
Yasukazu Sano
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.)
Fuji Electric Co Ltd
Original Assignee
Fuji 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 Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP16228678A priority Critical patent/JPS5590189A/ja
Publication of JPS5590189A publication Critical patent/JPS5590189A/ja
Publication of JPS6138907B2 publication Critical patent/JPS6138907B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Closed-Circuit Television Systems (AREA)
JP16228678A 1978-12-27 1978-12-27 Defect detector Granted JPS5590189A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16228678A JPS5590189A (en) 1978-12-27 1978-12-27 Defect detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16228678A JPS5590189A (en) 1978-12-27 1978-12-27 Defect detector

Publications (2)

Publication Number Publication Date
JPS5590189A true JPS5590189A (en) 1980-07-08
JPS6138907B2 JPS6138907B2 (cs) 1986-09-01

Family

ID=15751588

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16228678A Granted JPS5590189A (en) 1978-12-27 1978-12-27 Defect detector

Country Status (1)

Country Link
JP (1) JPS5590189A (cs)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4250931B2 (ja) * 2002-08-30 2009-04-08 日本電気株式会社 外観検査装置および外観検査方法

Also Published As

Publication number Publication date
JPS6138907B2 (cs) 1986-09-01

Similar Documents

Publication Publication Date Title
JPS54130825A (en) Image scanner
JPS5766345A (en) Inspection device for defect
JPS5590189A (en) Defect detector
JPS5262043A (en) Automatic testing instrument
JPS54108515A (en) Detector for signal defective period
JPS5461545A (en) Optically scanning location
JPS5590190A (en) Defect detector
JPS5470719A (en) Binary coding circuit
JPS5541668A (en) Detecting method of character position
JPS55100788A (en) Defect inspection unit
JPS5558455A (en) Analogue output device for ultrasonic flaw detection
JPS5513539A (en) Orignal reader
JPS54158116A (en) Automatic contrast adjusting device
JPS54136180A (en) Position detecting method for chip on semiconductor wafer
JPS5461980A (en) Automatic inspector of surface flaws
JPS5315711A (en) Picture signal processing circuit
JPS52110030A (en) Detector for distinctness of object image
JPS5635571A (en) Quantizing circuit
JPS6466547A (en) Detection of surface defect
JPS5687867A (en) Detecting device for maximum value
JPS5636204A (en) Noise erasing unit
JPS57211891A (en) Tone detector
JPS5621011A (en) Method of processing signal
JPS53134320A (en) Noise rejecting circuit
JPS5411624A (en) Processing system for video signal