IT980023B - Apparato perfezionato per tracciare il contorno di un disegno - Google Patents

Apparato perfezionato per tracciare il contorno di un disegno

Info

Publication number
IT980023B
IT980023B IT49068/73A IT4906873A IT980023B IT 980023 B IT980023 B IT 980023B IT 49068/73 A IT49068/73 A IT 49068/73A IT 4906873 A IT4906873 A IT 4906873A IT 980023 B IT980023 B IT 980023B
Authority
IT
Italy
Prior art keywords
tracing
outline
perfected apparatus
perfected
Prior art date
Application number
IT49068/73A
Other languages
English (en)
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 IT980023B publication Critical patent/IT980023B/it

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)
  • Control Of Position Or Direction (AREA)
  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)
  • Manufacture Or Reproduction Of Printing Formes (AREA)
IT49068/73A 1972-03-29 1973-03-27 Apparato perfezionato per tracciare il contorno di un disegno IT980023B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US23904572A 1972-03-29 1972-03-29

Publications (1)

Publication Number Publication Date
IT980023B true IT980023B (it) 1974-09-30

Family

ID=22900368

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49068/73A IT980023B (it) 1972-03-29 1973-03-27 Apparato perfezionato per tracciare il contorno di un disegno

Country Status (7)

Country Link
US (1) US3767923A (it)
JP (1) JPS5526728B2 (it)
CA (1) CA977438A (it)
DE (1) DE2315366A1 (it)
FR (1) FR2178679A5 (it)
GB (1) GB1426818A (it)
IT (1) IT980023B (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3852590A (en) * 1973-06-06 1974-12-03 Stewart Warner Corp Coordinate contour tracer
US4160199A (en) * 1977-07-05 1979-07-03 Stewart-Warner Corporation Line or pattern following system
US4371782A (en) * 1979-12-31 1983-02-01 Frans Brouwer Optical pattern tracing system with remotely controlled kerf and forward offsets
JPS57173390A (en) * 1981-04-18 1982-10-25 Fujitsu Ltd Speed control circuit for dc motor
US4578574A (en) * 1982-09-30 1986-03-25 Stewart-Warner Corporation Pattern tracer with variable effective forward offset and method
US4676634A (en) * 1985-08-05 1987-06-30 Spectra-Physics, Inc. Detector device for a rotating light beam
US8682077B1 (en) 2000-11-28 2014-03-25 Hand Held Products, Inc. Method for omnidirectional processing of 2D images including recognizable characters

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB920881A (en) * 1958-04-22 1963-03-13 Hunting Eng Ltd Improvements in the control of steerable vehicles
US3069550A (en) * 1959-06-30 1962-12-18 American Messer Corp Photoelectric tracer apparatus employing side by side photoelectric cells
US3198949A (en) * 1960-11-21 1965-08-03 F L Moseley Co Line following apparatus for a graphical recorder including symmetrical photocell arrangements
US3135904A (en) * 1962-01-15 1964-06-02 Air Reduction Photoelectric line or edge tracer
US3335287A (en) * 1964-07-17 1967-08-08 Franklin Institute Photosensitive self-monitoring drawing plotter using light conducting fibers
US3431425A (en) * 1965-03-01 1969-03-04 Fife Mfg Co System for photoelectric control of moving webs
US3427457A (en) * 1966-03-04 1969-02-11 Pan American Petroleum Corp Apparatus for automatically following a line on a chart
US3528337A (en) * 1968-06-17 1970-09-15 David H Dulebohn Tracing machine
US3566129A (en) * 1969-04-28 1971-02-23 Stewart Warner Corp Pattern catching in a photoelectric pattern contour tracing system
US3610935A (en) * 1970-03-23 1971-10-05 Optograms Incremental optical curve tracer with sequential logic comprising plural comparators and means for limiting length of stepwise movement
US3609373A (en) * 1970-05-18 1971-09-28 Singer Co Photoelectric sensors and circuitry for edge-guiding systems for sewing machines

Also Published As

Publication number Publication date
JPS5526728B2 (it) 1980-07-15
GB1426818A (en) 1976-03-03
FR2178679A5 (it) 1973-11-09
CA977438A (en) 1975-11-04
DE2315366A1 (de) 1973-11-08
US3767923A (en) 1973-10-23
JPS497684A (it) 1974-01-23

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