TREA

using magnetic recording

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  • CPC
  • H04M1/276
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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/276using magnetic recording
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Auto-dial business card system
    • Patent number 6,823,065
    • Issue date Nov 23, 2004
    • Sprint Communications Company L.P.
    • Fred S. Cook
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Personal-servicing communication system
    • Patent number 5,524,049
    • Issue date Jun 4, 1996
    • Nippon Communication Industrial Co., Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    System and method for configuring a telephone
    • Patent number 5,461,666
    • Issue date Oct 24, 1995
    • Texas Instruments Incorporated
    • Michael L. McMahan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Personal-servicing communication system
    • Patent number 5,440,625
    • Issue date Aug 8, 1995
    • Nippon Communication Industrial Co., Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    System and method for configuring a telephone
    • Patent number 5,402,477
    • Issue date Mar 28, 1995
    • Michael L. McMahan
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Personal-servicing communication system
    • Patent number 5,153,906
    • Issue date Oct 6, 1992
    • Nippo Communication Industrial Co., Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Personal-servicing communication system
    • Patent number 4,961,217
    • Issue date Oct 2, 1990
    • Hitachi Telecom Technologied, Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Card-operated telephone
    • Patent number 4,879,744
    • Issue date Nov 7, 1989
    • Omron Tateisi Electronics Co.
    • Hisashi Tasaki
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Telephone card and telephone card-operated telephone
    • Patent number 4,868,849
    • Issue date Sep 19, 1989
    • Funaki; Pitsuko
    • Ryokichi Tamaoki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Private telephone system using a personal code number to access the...
    • Patent number 4,852,156
    • Issue date Jul 25, 1989
    • Casio Computer Co., Ltd.
    • Yoshimi Shigenaga
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone dialing system
    • Patent number 4,817,136
    • Issue date Mar 28, 1989
    • Richard M. Rhoads
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Personal-servicing communication system
    • Patent number 4,759,056
    • Issue date Jul 19, 1988
    • Nippo Communication Industrial Co., Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Communication system with voice announcement means
    • Patent number 4,720,848
    • Issue date Jan 19, 1988
    • Nippo Communication Industrial Co.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Simple data input apparatus
    • Patent number 4,682,014
    • Issue date Jul 21, 1987
    • Nitsuko Limited
    • Teruhiko Iwama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Personal-signaling communication system
    • Patent number 4,680,785
    • Issue date Jul 14, 1987
    • Nippo Communication Industrial Co., Ltd.
    • Tadahiko Akiyama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone index for repertory dialer
    • Patent number 4,275,273
    • Issue date Jun 23, 1981
    • Si-Ling Ts'Ao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic telephone dialer for use in intrusion detection systems
    • Patent number 4,145,581
    • Issue date Mar 20, 1979
    • Napco Security Systems, Inc.
    • Roy Stockdale
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Repertory dialer logic
    • Patent number 4,029,908
    • Issue date Jun 14, 1977
    • DASA Corporation
    • Robin C. Moseley
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic call transmitter of the dual tone multifrequency type
    • Patent number 4,007,333
    • Issue date Feb 8, 1977
    • GTE Automatic Electric Laboratories Incorporated
    • Edward A. Marheine
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Telephone repertory dialer
    • Patent number 3,988,550
    • Issue date Oct 26, 1976
    • Si-Ling Ts'ao
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Manually actuable repertory dialer
    • Patent number 3,940,573
    • Issue date Feb 24, 1976
    • DASA Corporation
    • James W. Healy
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3928731
    • Patent number 3,928,731
    • Issue date Dec 23, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3903376
    • Patent number 3,903,376
    • Issue date Sep 2, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3879585
    • Patent number 3,879,585
    • Issue date Apr 22, 1975
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3844512
    • Patent number 3,844,512
    • Issue date Oct 29, 1974
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3830972
    • Patent number 3,830,972
    • Issue date Aug 20, 1974
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    3790722
    • Patent number 3,790,722
    • Issue date Feb 5, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3784793
    • Patent number 3,784,793
    • Issue date Jan 8, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3720795
    • Patent number 3,720,795
    • Issue date Mar 13, 1973
    • G11 - INFORMATION STORAGE
  • Information Patent Grant

    3716676
    • Patent number 3,716,676
    • Issue date Feb 13, 1973
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents