FR2520531B1 - Dispositif automatique de lecture d'un motif de circuit imprime - Google Patents

Dispositif automatique de lecture d'un motif de circuit imprime

Info

Publication number
FR2520531B1
FR2520531B1 FR8201245A FR8201245A FR2520531B1 FR 2520531 B1 FR2520531 B1 FR 2520531B1 FR 8201245 A FR8201245 A FR 8201245A FR 8201245 A FR8201245 A FR 8201245A FR 2520531 B1 FR2520531 B1 FR 2520531B1
Authority
FR
France
Prior art keywords
reading
printed circuit
circuit pattern
automatic device
automatic
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.)
Expired
Application number
FR8201245A
Other languages
English (en)
Other versions
FR2520531A1 (fr
Inventor
Seiichiro Kimura
Yuhei Iwasaki
Yuji Kozaki
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.)
NSK Ltd
Original Assignee
NSK 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 NSK Ltd filed Critical NSK Ltd
Priority to FR8201245A priority Critical patent/FR2520531B1/fr
Publication of FR2520531A1 publication Critical patent/FR2520531A1/fr
Application granted granted Critical
Publication of FR2520531B1 publication Critical patent/FR2520531B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/70—Determining position or orientation of objects or cameras
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30141—Printed circuit board [PCB]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
FR8201245A 1982-01-27 1982-01-27 Dispositif automatique de lecture d'un motif de circuit imprime Expired FR2520531B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8201245A FR2520531B1 (fr) 1982-01-27 1982-01-27 Dispositif automatique de lecture d'un motif de circuit imprime

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8201245A FR2520531B1 (fr) 1982-01-27 1982-01-27 Dispositif automatique de lecture d'un motif de circuit imprime

Publications (2)

Publication Number Publication Date
FR2520531A1 FR2520531A1 (fr) 1983-07-29
FR2520531B1 true FR2520531B1 (fr) 1987-09-18

Family

ID=9270360

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8201245A Expired FR2520531B1 (fr) 1982-01-27 1982-01-27 Dispositif automatique de lecture d'un motif de circuit imprime

Country Status (1)

Country Link
FR (1) FR2520531B1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3476916D1 (en) * 1983-04-28 1989-04-06 Hitachi Ltd Method of detecting pattern defect and its apparatus

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4015108A (en) * 1974-01-18 1977-03-29 Bausch & Lomb Incorporated Methods of and apparatus for determining the physical parameters of selected objects
US4115806A (en) * 1975-05-23 1978-09-19 Bausch & Lomb Incorporated Image analysis data transfer
US4183013A (en) * 1976-11-29 1980-01-08 Coulter Electronics, Inc. System for extracting shape features from an image

Also Published As

Publication number Publication date
FR2520531A1 (fr) 1983-07-29

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Legal Events

Date Code Title Description
DL Decision of the director general to leave to make available licences of right
ST Notification of lapse