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mechanically actuating hook switch

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  • CPC
  • H04M1/6545
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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/6545mechanically actuating hook switch
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Device for analyzing a disturbance of a facsimile communication dev...
    • Patent number 10,484,553
    • Issue date Nov 19, 2019
    • Konica Minolta, Inc.
    • Kazunori Ikeda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Online indicator adapter
    • Patent number 8,832,322
    • Issue date Sep 9, 2014
    • Plantronics, Inc.
    • Terry Junge
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Adaptive ringtone detector
    • Patent number 8,781,108
    • Issue date Jul 15, 2014
    • GN Netcom A/S
    • Thomas Pedersen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Adaptive ringtone detector
    • Patent number 8,275,122
    • Issue date Sep 25, 2012
    • GN Netcom A/S
    • Thomas Pedersen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless remote controlled handset lifter system using magnetically...
    • Patent number 7,961,870
    • Issue date Jun 14, 2011
    • GN Netcom A/S
    • Robert E. Lucey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Wireless remote controlled handset lifter system using magnetically...
    • Patent number 7,577,249
    • Issue date Aug 18, 2009
    • GN Netcom, Inc.
    • Robert E. Lucey
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Mechanical handset lift for a telephone
    • Patent number 6,741,703
    • Issue date May 25, 2004
    • Charles M. Clour
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic headset hookswitch
    • Patent number 6,735,453
    • Issue date May 11, 2004
    • Plantronics, Inc.
    • James F. Bobisuthi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Device for lifting a handset
    • Patent number 6,526,143
    • Issue date Feb 25, 2003
    • GN Netcom A/S
    • Morten Bjørn Wagner
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic answering pick-up device
    • Patent number 6,285,759
    • Issue date Sep 4, 2001
    • Hello Direct, Inc.
    • Susan J. Britto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic answering pick-up device
    • Patent number 6,081,596
    • Issue date Jun 27, 2000
    • Hello Direct, Inc.
    • Susan J. Britto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Nitinol hookswitch actuator
    • Patent number 6,009,166
    • Issue date Dec 28, 1999
    • Plantronics, Inc.
    • Fred I. Polito
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic answering pick-up device
    • Patent number 5,930,354
    • Issue date Jul 27, 1999
    • Hello Direct, Inc.
    • Susan J. Britto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone system and bell sound detecting method thereof
    • Patent number 5,758,289
    • Issue date May 26, 1998
    • Uniden Corporation
    • Ronald Lee Lipp
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone system
    • Patent number 5,732,355
    • Issue date Mar 24, 1998
    • Uniden America Corporation
    • Ronald Lee Lipp
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Car telephone accessory device with telephone answering function
    • Patent number 5,559,863
    • Issue date Sep 24, 1996
    • Hashimoto Corporation
    • Kazuo Hashimoto
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Telephone handset lifting device
    • Patent number 4,392,017
    • Issue date Jul 5, 1983
    • Luis R. Torres
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable telephone answering device
    • Patent number 4,340,784
    • Issue date Jul 20, 1982
    • International Port-A-Call
    • Wayne F. McQueen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone Recorder mechanical actuator
    • Patent number 4,178,477
    • Issue date Dec 11, 1979
    • Olympus Optical Company Ltd.
    • Masaaki Sato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3730996
    • Patent number 3,730,996
    • Issue date May 1, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3586779
    • Patent number 3,586,779
    • Issue date Jun 22, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3569630
    • Patent number 3,569,630
    • Issue date Mar 9, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3562430
    • Patent number 3,562,430
    • Issue date Feb 9, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3492427
    • Patent number 3,492,427
    • Issue date Jan 27, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3480720
    • Patent number 3,480,720
    • Issue date Nov 25, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3480731
    • Patent number 3,480,731
    • Issue date Nov 25, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3471643
    • Patent number 3,471,643
    • Issue date Oct 7, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3466396
    • Patent number 3,466,396
    • Issue date Sep 9, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3376390
    • Patent number 3,376,390
    • Issue date Apr 2, 1968
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3319003
    • Patent number 3,319,003
    • Issue date May 9, 1967
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents