CA1227260A - Line or pattern following system having an annular array of photosensitive devices - Google Patents

Line or pattern following system having an annular array of photosensitive devices

Info

Publication number
CA1227260A
CA1227260A CA000306769A CA306769A CA1227260A CA 1227260 A CA1227260 A CA 1227260A CA 000306769 A CA000306769 A CA 000306769A CA 306769 A CA306769 A CA 306769A CA 1227260 A CA1227260 A CA 1227260A
Authority
CA
Canada
Prior art keywords
array
angle
line
theta
pattern
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
CA000306769A
Other languages
English (en)
French (fr)
Inventor
Francis G. Bardwell
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.)
Stewart Warner Corp
Original Assignee
Stewart Warner Corp
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 Stewart Warner Corp filed Critical Stewart Warner Corp
Application granted granted Critical
Publication of CA1227260A publication Critical patent/CA1227260A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K11/00—Methods or arrangements for graph-reading or for converting the pattern of mechanical parameters, e.g. force or presence, into electrical signal
    • G06K11/02—Automatic curve followers, i.e. arrangements in which an exploring member or beam is forced to follow the curve
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q35/00—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually
    • B23Q35/04—Control systems or devices for copying directly from a pattern or a master model; Devices for use in copying manually using a feeler or the like travelling along the outline of the pattern, model or drawing; Feelers, patterns, or models therefor
    • B23Q35/08—Means for transforming movement of the feeler or the like into feed movement of tool or work
    • B23Q35/12—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means
    • B23Q35/127—Means for transforming movement of the feeler or the like into feed movement of tool or work involving electrical means using non-mechanical sensing
    • B23Q35/128—Sensing by using optical means

Landscapes

  • Engineering & Computer Science (AREA)
  • Artificial Intelligence (AREA)
  • Computer Hardware Design (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Position Or Direction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Image Analysis (AREA)
CA000306769A 1977-07-05 1978-07-04 Line or pattern following system having an annular array of photosensitive devices Expired CA1227260A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/812,787 US4160199A (en) 1977-07-05 1977-07-05 Line or pattern following system
US812,787 1991-12-23

Publications (1)

Publication Number Publication Date
CA1227260A true CA1227260A (en) 1987-09-22

Family

ID=25210622

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000306769A Expired CA1227260A (en) 1977-07-05 1978-07-04 Line or pattern following system having an annular array of photosensitive devices

Country Status (8)

Country Link
US (1) US4160199A (en, 2012)
JP (1) JPS5439777A (en, 2012)
BR (1) BR7804300A (en, 2012)
CA (1) CA1227260A (en, 2012)
DE (1) DE2829251A1 (en, 2012)
FR (1) FR2396622A1 (en, 2012)
GB (1) GB2000865B (en, 2012)
IT (1) IT1105083B (en, 2012)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6040017B2 (ja) * 1977-08-19 1985-09-09 大日本スクリ−ン製造株式会社 画像輪廓追跡記録装置
JPS592956B2 (ja) * 1979-03-30 1984-01-21 仙北谷 満昭 曲線トレ−ス装置
US4371782A (en) * 1979-12-31 1983-02-01 Frans Brouwer Optical pattern tracing system with remotely controlled kerf and forward offsets
JPS572037A (en) * 1980-06-05 1982-01-07 Dainippon Screen Mfg Co Ltd Logging method of object to be tracked
US4839526A (en) * 1980-11-14 1989-06-13 Diffracto Ltd. Coordinate measuring method and device
US4453082A (en) * 1980-11-14 1984-06-05 Diffracto Ltd. Coordinate measuring method and device
US4433912A (en) 1982-01-21 1984-02-28 Dr. Ing. Rudolf Hell Gmbh Method and a circuit for determining a contour in an image
JPS5911879A (ja) * 1982-07-13 1984-01-21 株式会社宮山技術研究所 遊技盤の製造システム
US4542279A (en) * 1983-03-07 1985-09-17 General Electric Company Microvector control for edge and joint following
FR2548412B1 (fr) * 1983-06-28 1986-02-07 Commissariat Energie Atomique Systeme de releve de plans
US4647760A (en) * 1983-10-03 1987-03-03 Stewart-Warner Corporation Pattern tracer with electronic kerf, calibration and line width compensation
DE3505525C1 (de) * 1985-02-18 1986-04-10 ESAB-HANCOCK GmbH, 6367 Karben Fotoelektrische Einrichtung zum Nachfuehren eines Abtastkopfes laengs einer Vorlagenbahn
GB2175390A (en) * 1985-05-14 1986-11-26 Coal Ind Probe for sensing outlines
US4740904A (en) * 1985-11-01 1988-04-26 Nagle John B Line following system and process
IL82569A (en) * 1987-05-18 1991-11-21 Israel Aircraft Ind Ltd Apparatus for automatic tracking and contour measurement
JP3038743B2 (ja) * 1989-12-15 2000-05-08 ソニー株式会社 ３次元形状データ作成装置及び３次元形状データ作成方法
FR2661760A1 (fr) * 1990-05-03 1991-11-08 Univ Rouen Dispositif de numerisation de graphiques par suivi de contours.
US5431732A (en) * 1993-06-15 1995-07-11 Stewart Warner Electronics Corporation Apparatus for working flat stock
US5604601A (en) * 1994-08-24 1997-02-18 International Business Machines Corporation Reference grid rectilinear correction
DE102015115446A1 (de) * 2015-09-14 2017-03-16 Minebea Co., Ltd. Stellanordnung zum Bewegen eines Stellobjekts

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1513207A1 (de) * 1951-01-28 1969-05-29 Jovy Gmbh Dr Ing Koordinatenantrieb mit unmittelbarer fotoelektrischer Zeichnungsabtastung
DE1514053C3 (de) * 1965-11-04 1975-03-27 Messer Griesheim Gmbh, 6000 Frankfurt Elektrische Kopiersteuerungsvorrichtung für Bearbeitungsmaschinen, insbesondere Brennschneidmaschinen
US3529084A (en) * 1967-04-17 1970-09-15 Gerber Scientific Instr Co Line follower
GB1269432A (en) * 1970-03-17 1972-04-06 Optographics Inc Opto-graphical memory and digitalized control system for precision machining
FR2134822A5 (en) * 1971-04-21 1972-12-08 Saf Chainette Template exploration - for flame cutting, with symmetrical exploration
US3704373A (en) * 1971-09-30 1972-11-28 Stewart Warner Corp Scanning head arrangement having servo motor armature secured to shaft on which photocell is carried
US3767923A (en) * 1972-03-29 1973-10-23 Stewart Warner Corp Pattern contour tracing apparatus
DE2419451A1 (de) * 1974-04-23 1975-11-06 Schneider Optische abtasteinheit
JPS5838199B2 (ja) * 1975-07-01 1983-08-20 ブラザー工業株式会社 ヒカリナライスウチセイギヨミシン
US4059788A (en) * 1976-02-02 1977-11-22 Vladimir Sergeevich Vasiliev Device for automatically controlling an electroerosion cutting machine
US4049962A (en) * 1976-07-29 1977-09-20 Union Carbide Corporation Line edge follower

Also Published As

Publication number Publication date
GB2000865B (en) 1982-01-27
IT7850136A0 (it) 1978-07-03
IT1105083B (it) 1985-10-28
JPS6360401B2 (en, 2012) 1988-11-24
US4160199A (en) 1979-07-03
BR7804300A (pt) 1979-04-10
GB2000865A (en) 1979-01-17
FR2396622B1 (en, 2012) 1985-02-08
DE2829251A1 (de) 1979-01-25
JPS5439777A (en) 1979-03-27
FR2396622A1 (fr) 1979-02-02

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Legal Events

Date Code Title Description
MKEX Expiry