TREA

Lost-motion or other arrangements for ensuring a pause between successive digit transmissions

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  • CPC
  • H04M1/34
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Parent Industries

HELECTRICITY H04Electric communication H04MTELEPHONIC COMMUNICATION H04M1/00Substation equipment

Current Industry

H04M1/34Lost-motion or other arrangements for ensuring a pause between successive digit transmissions
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    3919494
    • Patent number 3,919,494
    • Issue date Nov 11, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3557326
    • Patent number 3,557,326
    • Issue date Jan 19, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3430003
    • Patent number 3,430,003
    • Issue date Feb 25, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3305643
    • Patent number 3,305,643
    • Issue date Feb 21, 1967
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3301966
    • Patent number 3,301,966
    • Issue date Jan 31, 1967
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2963554
    • Patent number 2,963,554
    • Issue date Dec 6, 1960
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2887539
    • Patent number 2,887,539
    • Issue date May 19, 1959
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2306267
    • Patent number 2,306,267
    • Issue date Dec 22, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2276514
    • Patent number 2,276,514
    • Issue date Mar 17, 1942
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2252875
    • Patent number 2,252,875
    • Issue date Aug 19, 1941
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    2063308
    • Patent number 2,063,308
    • Issue date Dec 8, 1936
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1866669
    • Patent number 1,866,669
    • Issue date Jul 12, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1860535
    • Patent number 1,860,535
    • Issue date May 31, 1932
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1642822
    • Patent number 1,642,822
    • Issue date Sep 20, 1927
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1609983
    • Patent number 1,609,983
    • Issue date Dec 7, 1926
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1588517
    • Patent number 1,588,517
    • Issue date Jun 15, 1926
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1580943
    • Patent number 1,580,943
    • Issue date Apr 13, 1926
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1556904
    • Patent number 1,556,904
    • Issue date Oct 13, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1556905
    • Patent number 1,556,905
    • Issue date Oct 13, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1556974
    • Patent number 1,556,974
    • Issue date Oct 13, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1532664
    • Patent number 1,532,664
    • Issue date Apr 7, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1532677
    • Patent number 1,532,677
    • Issue date Apr 7, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1532676
    • Patent number 1,532,676
    • Issue date Apr 7, 1925
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1506760
    • Patent number 1,506,760
    • Issue date Sep 2, 1924
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1279352
    • Patent number 1,279,352
    • Issue date Sep 17, 1918
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1253912
    • Patent number 1,253,912
    • Issue date Jan 15, 1918
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1209253
    • Patent number 1,209,253
    • Issue date Dec 19, 1916
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1199023
    • Patent number 1,199,023
    • Issue date Sep 19, 1916
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1197542
    • Patent number 1,197,542
    • Issue date Sep 5, 1916
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    1163191
    • Patent number 1,163,191
    • Issue date Dec 7, 1915
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents