GB1604890A - Optical pattern tracing system - Google Patents

Optical pattern tracing system Download PDF

Info

Publication number
GB1604890A
GB1604890A GB25784/78A GB2578478A GB1604890A GB 1604890 A GB1604890 A GB 1604890A GB 25784/78 A GB25784/78 A GB 25784/78A GB 2578478 A GB2578478 A GB 2578478A GB 1604890 A GB1604890 A GB 1604890A
Authority
GB
United Kingdom
Prior art keywords
auxiliary
pattern
signals
response
marks
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
GB25784/78A
Other languages
English (en)
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.)
Westinghouse Canada Inc
Original Assignee
Westinghouse Canada Inc
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 Westinghouse Canada Inc filed Critical Westinghouse Canada Inc
Publication of GB1604890A publication Critical patent/GB1604890A/en
Expired legal-status Critical Current

Links

Classifications

    • 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)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Copy Controls (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
GB25784/78A 1977-11-21 1978-05-31 Optical pattern tracing system Expired GB1604890A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291304 1977-11-21

Publications (1)

Publication Number Publication Date
GB1604890A true GB1604890A (en) 1981-12-16

Family

ID=4110080

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25784/78A Expired GB1604890A (en) 1977-11-21 1978-05-31 Optical pattern tracing system

Country Status (3)

Country Link
US (1) US4197453A (enExample)
DE (1) DE2825468A1 (enExample)
GB (1) GB1604890A (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU1639388A (en) * 1987-11-03 1989-05-04 Westinghouse Canada Inc. Line tracer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1563770C3 (de) * 1966-10-26 1973-10-04 Siemens Ag, 1000 Berlin U. 8000 Muenchen Fotoelektrische Abtasteinrichtung mit einem Schwingspiegel
DE2417289C3 (de) * 1974-04-09 1978-10-05 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Elektrische Kopiersteuerungsvorrichtung für Bearbeitungsmaschinen
DE2618165C3 (de) * 1976-04-26 1980-02-14 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Elektrische Kopiersteuerungsvorrichtung für Bearbeitungsmaschinen
DE2505296C3 (de) * 1975-02-07 1979-09-13 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Elektrische Kopiersteuerungsvorrichtung für Bearbeitungsmaschinen
US4128481A (en) * 1975-02-07 1978-12-05 Erwin Sick Gmbh Optik-Elektronik Curve following device

Also Published As

Publication number Publication date
US4197453A (en) 1980-04-08
DE2825468C2 (enExample) 1989-05-11
DE2825468A1 (de) 1979-05-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19980530