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CA917773A - Optical pattern tracer - Google Patents

Optical pattern tracer

Info

Publication number
CA917773A
CA917773A CA917773A CA917773DA CA917773A CA 917773 A CA917773 A CA 917773A CA 917773 A CA917773 A CA 917773A CA 917773D A CA917773D A CA 917773DA CA 917773 A CA917773 A CA 917773A
Authority
CA
Canada
Prior art keywords
optical pattern
pattern tracer
tracer
optical
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
CA917773A
Inventor
S. Jewell George
E. Parker Robert
A. Lodge Malcolm
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
Canadian Westinghouse 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 Canadian Westinghouse Co Ltd filed Critical Canadian Westinghouse Co Ltd
Application granted granted Critical
Publication of CA917773A publication Critical patent/CA917773A/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 With Unspecified Measuring Means (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Image Input (AREA)
  • Control Of Position Or Direction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
CA917773A 1969-10-20 1969-10-20 Optical pattern tracer Expired CA917773A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA65212 1969-10-20

Publications (1)

Publication Number Publication Date
CA917773A true CA917773A (en) 1972-12-26

Family

ID=4085810

Family Applications (1)

Application Number Title Priority Date Filing Date
CA917773A Expired CA917773A (en) 1969-10-20 1969-10-20 Optical pattern tracer

Country Status (8)

Country Link
US (1) US3704372A (en)
JP (1) JPS4916916B1 (en)
CA (1) CA917773A (en)
CH (1) CH531395A (en)
DE (1) DE2051528C2 (en)
FR (1) FR2066165A5 (en)
GB (1) GB1292507A (en)
NL (1) NL7015326A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128297A (en) * 1977-02-23 1978-12-05 Westinghouse Canada Limited Variable lead optical tracing machine with scanning and vari-focal lens

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3989385A (en) * 1974-09-16 1976-11-02 International Business Machines Corporation Part locating, mask alignment and mask alignment verification system
SU634702A1 (en) * 1974-10-24 1978-11-30 Институт Механики Машин Ан Грузинской Сср Photooptical sensor for automatic driving of tractor
JPS5542185A (en) * 1978-09-22 1980-03-25 Kawasaki Heavy Ind Ltd Detecting device for arc welding or the like
US4238673A (en) * 1978-10-30 1980-12-09 Airco, Inc. Variable lead device for circular scan tracers
US4453084A (en) * 1981-09-15 1984-06-05 Esab, North America, Inc. Optical pattern tracing system
US4486654A (en) * 1981-09-15 1984-12-04 Esab, North America, Inc. Optical pattern tracing system with improved manual control
US4578574A (en) * 1982-09-30 1986-03-25 Stewart-Warner Corporation Pattern tracer with variable effective forward offset and method
CA1177142A (en) * 1983-08-26 1984-10-30 Robert E. Parker Dual scan optical pattern tracer
CA1247412A (en) * 1984-03-21 1988-12-28 Enn Vali Pattern tracer slowdown circuit
CA1247413A (en) * 1984-03-21 1988-12-28 Enn Vali Line tracer accuracy control
CA1271245A (en) * 1987-06-04 1990-07-03 Enn Vali Controlled acceleration deceleration circuit for optical tracers
US5216247A (en) * 1992-02-07 1993-06-01 Ying Wang Optical scanning method with circular arc scanning traces
US5585632A (en) * 1995-02-28 1996-12-17 University Of Washington Wide-angle infrared cloud imager
US6201639B1 (en) 1998-03-20 2001-03-13 James W. Overbeck Wide field of view and high speed scanning microscopy
US6185030B1 (en) 1998-03-20 2001-02-06 James W. Overbeck Wide field of view and high speed scanning microscopy

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1489012A (en) * 1967-11-03
US2997598A (en) * 1954-12-06 1961-08-22 Charles F Gramm Optical scanning system
CH377235A (en) * 1958-07-16 1964-04-30 Westinghouse Canada Ltd Automatic copier
US3004166A (en) * 1958-09-16 1961-10-10 Air Reduction Line tracer apparatus and method
DE1855604U (en) * 1960-01-19 1962-07-26 Union Carbide Corp PHOTOELECTRICALLY CONTROLLED SCANNING DEVICE, ESPECIALLY FOR TURNING MACHINES.
GB912429A (en) * 1960-07-01 1962-12-05 British Oxygen Co Ltd Scanning mechanism for photo-electric line-following devices
US3135904A (en) * 1962-01-15 1964-06-02 Air Reduction Photoelectric line or edge tracer
US3268731A (en) * 1964-02-11 1966-08-23 Stewart Warner Corp Photosensitive calibrated kerf control
US3322952A (en) * 1964-04-15 1967-05-30 Westinghouse Canada Ltd Photosensitive line tracer scanning head
US3395282A (en) * 1965-04-19 1968-07-30 Seneca Falls Machine Co Photoelectric tracing system with an optical scanning head having a drive motor and signal generator thereon
US3496437A (en) * 1966-04-18 1970-02-17 Air Reduction Variable lead device for indicium tracers

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4128297A (en) * 1977-02-23 1978-12-05 Westinghouse Canada Limited Variable lead optical tracing machine with scanning and vari-focal lens

Also Published As

Publication number Publication date
US3704372A (en) 1972-11-28
CH531395A (en) 1972-12-15
DE2051528A1 (en) 1971-05-19
NL7015326A (en) 1971-04-22
FR2066165A5 (en) 1971-08-06
DE2051528C2 (en) 1983-11-10
GB1292507A (en) 1972-10-11
JPS4916916B1 (en) 1974-04-25

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