Automatic curve followers

Patents Grantslast 30 patents

  • Information Patent Grant

    Brushless motors with linear hall sensors

    • Patent number 9,325,262
    • Issue date Apr 26, 2016
    • Woodward, Inc.
    • Raymond Liu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Digitizing device

    • Patent number 5,310,968
    • Issue date May 10, 1994
    • Pfaff Haushaltmaschinen GmbH
    • Helfried Hanus
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Automatic contour tracking method for CAD

    • Patent number 5,122,965
    • Issue date Jun 16, 1992
    • Mutoh Industries Ltd.
    • Syuji Nishida
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Video signal digitizer

    • Patent number 5,083,313
    • Issue date Jan 21, 1992
    • Roger A. Reinsch
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Curve following apparatus

    • Patent number 4,872,105
    • Issue date Oct 3, 1989
    • VectorVision Corporation
    • Bahram Mozayeny
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method of incising the contour in an image film

    • Patent number 4,754,404
    • Issue date Jun 28, 1988
    • Yoshio Inoue
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Line following system and process

    • Patent number 4,740,904
    • Issue date Apr 26, 1988
    • John B. Nagle
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Line following system and process with matrix generating

    • Patent number 4,672,190
    • Issue date Jun 9, 1987
    • The Gerber Scientific Instrument Company
    • Teresa Rostkowski
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Dual scan optical pattern tracer

    • Patent number 4,625,104
    • Issue date Nov 25, 1986
    • Westinghouse Canada Inc.
    • Robert E. Parker
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method and subsystem for plotting the perimeter of an object

    • Patent number 4,575,751
    • Issue date Mar 11, 1986
    • RCA Corporation
    • Robert A. Duschl
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Optical pattern tracing system with improved manual control

    • Patent number 4,486,654
    • Issue date Dec 4, 1984
    • ESAB, North America, Inc.
    • Frans Brouwer
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method for tracing an object

    • Patent number 4,441,020
    • Issue date Apr 3, 1984
    • Dainippon Screen Seizo Kabushiki Kaisha
    • Takashi Sakamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method and a circuit for determining a contour in an image

    • Patent number 4,433,912
    • Issue date Feb 28, 1984
    • Dr.-Ing. Rudolf Hell GmbH
    • Robert Schwartz
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Method of and system for tracing monochromatically contrasting pattern

    • Patent number 4,321,682
    • Issue date Mar 23, 1982
    • Senbokuya; Mitsuaki
    • Yukio Koshikawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sensor for use in controlling operation of mobile farming machine

    • Patent number 4,211,921
    • Issue date Jul 8, 1980
    • Iseki Agricultural Machinery Mfg. Co. Ltd.
    • Yuuji Kanetou
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    System for automatically digitizing engineering drawings

    • Patent number 4,193,087
    • Issue date Mar 11, 1980
    • Altman Associates, Inc.
    • Norman G. Altman
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Line or pattern following system

    • Patent number 4,160,199
    • Issue date Jul 3, 1979
    • Stewart-Warner Corporation
    • Francis G. Bardwell
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Process for the formation of a comparison square wave signal

    • Patent number 4,129,814
    • Issue date Dec 12, 1978
    • Erwin Sick Gesellschaft mit beschrankter Haftung Optik-Elektronik
    • Erwin Francke
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Optical cursor tracking correction system

    • Patent number 4,114,034
    • Issue date Sep 12, 1978
    • RCA Corporation
    • George William Hunka
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3866199

    • Patent number 3,866,199
    • Issue date Feb 11, 1975
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3852590

    • Patent number 3,852,590
    • Issue date Dec 3, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3840739

    • Patent number 3,840,739
    • Issue date Oct 8, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3835245

    • Patent number 3,835,245
    • Issue date Sep 10, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3832485

    • Patent number 3,832,485
    • Issue date Aug 27, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3832544

    • Patent number 3,832,544
    • Issue date Aug 27, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3816736

    • Patent number 3,816,736
    • Issue date Jun 11, 1974
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3803588

    • Patent number 3,803,588
    • Issue date Apr 9, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3743776

    • Patent number 3,743,776
    • Issue date Jul 3, 1973
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3718821

    • Patent number 3,718,821
    • Issue date Feb 27, 1973
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3717847

    • Patent number 3,717,847
    • Issue date Feb 20, 1973
    • G06 - COMPUTING CALCULATING COUNTING