with provision for altering speed of recording medium in accordance with the magnitude of the variable to be recorded

Patents Grantslast 30 patents

  • Information Patent Grant

    Physiological trend data recorder

    • Patent number 4,628,327
    • Issue date Dec 9, 1986
    • American Home Products Corporation
    • Donald G. Anderson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Physiological trend data recorder

    • Patent number 4,513,294
    • Issue date Apr 23, 1985
    • American Home Products Corporation
    • Donald G. Anderson
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Controller for pen, paper and chart of a recorder

    • Patent number 4,381,512
    • Issue date Apr 26, 1983
    • Hewlett-Packard Company
    • Keith C. Butler
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Chart recorders

    • Patent number 4,215,351
    • Issue date Jul 29, 1980
    • National Research Development Corporation
    • David J. Lowe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Water level recorder

    • Patent number 4,200,876
    • Issue date Apr 29, 1980
    • Systron Donner Corporation
    • John D. Gearheart
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Two speed system for EEG recording

    • Patent number 3,958,563
    • Issue date May 25, 1976
    • Heriberto Fernandez
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    3396403

    • Patent number 3,396,403
    • Issue date Aug 6, 1968
    • G01 - MEASURING TESTING
  • Information Patent Grant

    3145578

    • Patent number 3,145,578
    • Issue date Aug 25, 1964
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    2926984

    • Patent number 2,926,984
    • Issue date Mar 1, 1960
    • G01 - MEASURING TESTING
  • Information Patent Grant

    2675710

    • Patent number 2,675,710
    • Issue date Apr 20, 1954
    • G01 - MEASURING TESTING