TREA

Regulating touch, key dip or stroke, or the like

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Industry

  • CPC
  • B41J5/26
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B41Printing, stamps B41JTYPEWRITERS SELECTIVE PRINTING MECHANISMS, e.g. INK-JET PRINTERS, THERMAL PRINTERS B41J5/00Devices or arrangements for controlling character selection

Current Industry

B41J5/26Regulating touch, key dip or stroke, or the like
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Computer keyboard key depression inhibitor device
    • Patent number 5,348,405
    • Issue date Sep 20, 1994
    • Lupkas; Jacqueline M.
    • Raymond R. Lupkas
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Apparatus for selectively varying keyboard switching force
    • Patent number 5,220,318
    • Issue date Jun 15, 1993
    • Ampex Corporation
    • Darrell S. Staley
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Variable keystroke pressure apparatus
    • Patent number 4,795,888
    • Issue date Jan 3, 1989
    • A & K MacFarlane Pty. Ltd.
    • Andrew R. MacFarlane
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Means for avoiding accidental actuation of a critical function key
    • Patent number 4,362,408
    • Issue date Dec 7, 1982
    • NCR Corporation
    • Richard E. Cordes
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Key mechanism having a snap action
    • Patent number 4,269,521
    • Issue date May 26, 1981
    • SCM Corporation
    • Scott J. Longrod
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Key arm mechanism
    • Patent number 3,974,905
    • Issue date Aug 17, 1976
    • Xerox Corporation
    • Wendell C. Johnson
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Magnetic key touch control
    • Patent number 3,938,642
    • Issue date Feb 17, 1976
    • Jaap Van Rumpt
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Keyboard touch control
    • Patent number 3,934,696
    • Issue date Jan 27, 1976
    • SCM Corporation
    • Hans W. Mueller
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3831730
    • Patent number 3,831,730
    • Issue date Aug 27, 1974
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3823806
    • Patent number 3,823,806
    • Issue date Jul 16, 1974
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3771636
    • Patent number 3,771,636
    • Issue date Nov 13, 1973
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3767022
    • Patent number 3,767,022
    • Issue date Oct 23, 1973
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3409111
    • Patent number 3,409,111
    • Issue date Nov 5, 1968
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3302877
    • Patent number 3,302,877
    • Issue date Feb 7, 1967
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3229798
    • Patent number 3,229,798
    • Issue date Jan 18, 1966
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    3197010
    • Patent number 3,197,010
    • Issue date Jul 27, 1965
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2987161
    • Patent number 2,987,161
    • Issue date Jun 6, 1961
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2966249
    • Patent number 2,966,249
    • Issue date Dec 27, 1960
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2890782
    • Patent number 2,890,782
    • Issue date Jun 16, 1959
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2889024
    • Patent number 2,889,024
    • Issue date Jun 2, 1959
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2886158
    • Patent number 2,886,158
    • Issue date May 12, 1959
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2858925
    • Patent number 2,858,925
    • Issue date Nov 4, 1958
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2858002
    • Patent number 2,858,002
    • Issue date Oct 28, 1958
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2682944
    • Patent number 2,682,944
    • Issue date Jul 6, 1954
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2660285
    • Patent number 2,660,285
    • Issue date Nov 24, 1953
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2624439
    • Patent number 2,624,439
    • Issue date Jan 6, 1953
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2567943
    • Patent number 2,567,943
    • Issue date Sep 18, 1951
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2567946
    • Patent number 2,567,946
    • Issue date Sep 18, 1951
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2235416
    • Patent number 2,235,416
    • Issue date Mar 18, 1941
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    2226924
    • Patent number 2,226,924
    • Issue date Dec 31, 1940
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents