TREA

Tubes using the parametric principle

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  • CPC
  • H01J25/49
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Parent Industries

HELECTRICITY H01Electric elements H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS H01J25/00Transit-time tubes

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H01J25/49Tubes using the parametric principle
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Patents Grantslast 30 patents

  • Information Patent Grant

    Estimating the operating point on a non-linear traveling wave tube...
    • Patent number 7,230,480
    • Issue date Jun 12, 2007
    • The DIRECTV Group, Inc.
    • Ernest C. Chen
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3549891
    • Patent number 3,549,891
    • Issue date Dec 22, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3500108
    • Patent number 3,500,108
    • Issue date Mar 10, 1970
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3474283
    • Patent number 3,474,283
    • Issue date Oct 21, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3462636
    • Patent number 3,462,636
    • Issue date Aug 19, 1969
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    3457450
    • Patent number 3,457,450
    • Issue date Jul 22, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3449678
    • Patent number 3,449,678
    • Issue date Jun 10, 1969
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3389347
    • Patent number 3,389,347
    • Issue date Jun 18, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3383596
    • Patent number 3,383,596
    • Issue date May 14, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3375459
    • Patent number 3,375,459
    • Issue date Mar 26, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3373309
    • Patent number 3,373,309
    • Issue date Mar 12, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    3363138
    • Patent number 3,363,138
    • Issue date Jan 9, 1968
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3315118
    • Patent number 3,315,118
    • Issue date Apr 18, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3315152
    • Patent number 3,315,152
    • Issue date Apr 18, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3315173
    • Patent number 3,315,173
    • Issue date Apr 18, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3315174
    • Patent number 3,315,174
    • Issue date Apr 18, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3304461
    • Patent number 3,304,461
    • Issue date Feb 14, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3300728
    • Patent number 3,300,728
    • Issue date Jan 24, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3296484
    • Patent number 3,296,484
    • Issue date Jan 3, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3296548
    • Patent number 3,296,548
    • Issue date Jan 3, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3296543
    • Patent number 3,296,543
    • Issue date Jan 3, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3296542
    • Patent number 3,296,542
    • Issue date Jan 3, 1967
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3289091
    • Patent number 3,289,091
    • Issue date Nov 29, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3275880
    • Patent number 3,275,880
    • Issue date Sep 27, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3275943
    • Patent number 3,275,943
    • Issue date Sep 27, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3271731
    • Patent number 3,271,731
    • Issue date Sep 6, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3268754
    • Patent number 3,268,754
    • Issue date Aug 23, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3265978
    • Patent number 3,265,978
    • Issue date Aug 9, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3260961
    • Patent number 3,260,961
    • Issue date Jul 12, 1966
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    3258702
    • Patent number 3,258,702
    • Issue date Jun 28, 1966
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents