TREA

in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded

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Industry

  • CPC
  • H04N1/4135
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Parent Industries

HELECTRICITY H04Electric communication H04NPICTORIAL COMMUNICATION H04N1/00Scanning, transmission or reproduction of documents or the like

Current Industry

H04N1/4135in which a baseband signal showing more than two values or a continuously varying baseband signal is transmitted or recorded
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    GII/GIII transmission system
    • Patent number 4,686,578
    • Issue date Aug 11, 1987
    • International Business Machines Corporation
    • Hideo Asano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Information forming apparatus
    • Patent number 4,366,505
    • Issue date Dec 28, 1982
    • Canon Kabushiki Kaisha
    • Shin Tsuda
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    High efficiency facsimile transmission system
    • Patent number 4,225,888
    • Issue date Sep 30, 1980
    • Oki Electric Industry Co., Ltd.
    • Shoichiro Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Facsimile compression system
    • Patent number 4,186,415
    • Issue date Jan 29, 1980
    • Oki Electric Industry Co., Ltd.
    • Shoichiro Takayama
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Run length encoding and decoding methods and means
    • Patent number 4,096,520
    • Issue date Jun 20, 1978
    • Xerox Corporation
    • Eiichiro Furuta
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Run length encoding and decoding methods and means
    • Patent number 4,096,526
    • Issue date Jun 20, 1978
    • Xerox Corporation
    • Eiichiro Furuta
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Run length encoding and decoding methods and means
    • Patent number 4,096,527
    • Issue date Jun 20, 1978
    • Xerox Corporation
    • Eiichiro Furuta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Run length encoding and decoding methods and means
    • Patent number 4,056,828
    • Issue date Nov 1, 1977
    • Xerox Corporation
    • Eiichiro Furuta
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Data compression
    • Patent number 3,993,862
    • Issue date Nov 23, 1976
    • Lawrence Karr
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Two-level picture signal transmission system
    • Patent number 3,973,079
    • Issue date Aug 3, 1976
    • Hitachi, Ltd.
    • Takahiko Fukinuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3920898
    • Patent number 3,920,898
    • Issue date Nov 18, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3919476
    • Patent number 3,919,476
    • Issue date Nov 11, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3906154
    • Patent number 3,906,154
    • Issue date Sep 16, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3876825
    • Patent number 3,876,825
    • Issue date Apr 8, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3876944
    • Patent number 3,876,944
    • Issue date Apr 8, 1975
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3849595
    • Patent number 3,849,595
    • Issue date Nov 19, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3847732
    • Patent number 3,847,732
    • Issue date Nov 12, 1974
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3651251
    • Patent number 3,651,251
    • Issue date Mar 21, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3649751
    • Patent number 3,649,751
    • Issue date Mar 14, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3647957
    • Patent number 3,647,957
    • Issue date Mar 7, 1972
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3588330
    • Patent number 3,588,330
    • Issue date Jun 28, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3585504
    • Patent number 3,585,504
    • Issue date Jun 15, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3585586
    • Patent number 3,585,586
    • Issue date Jun 15, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3569615
    • Patent number 3,569,615
    • Issue date Mar 9, 1971
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3538246
    • Patent number 3,538,246
    • Issue date Nov 3, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3530385
    • Patent number 3,530,385
    • Issue date Sep 22, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3517117
    • Patent number 3,517,117
    • Issue date Jun 23, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3502815
    • Patent number 3,502,815
    • Issue date Mar 24, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3495032
    • Patent number 3,495,032
    • Issue date Feb 10, 1970
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3474191
    • Patent number 3,474,191
    • Issue date Oct 21, 1969
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE