TREA

Typewriters for ciphering or deciphering cryptographic text

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Industry

  • CPC
  • G09C3/00
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Parent Industries

GPHYSICS G09Cryptography, education, displays G09CCODING OR CIPHERING APPARATUS FOR CRYPTOGRAPHIC OR OTHER PURPOSES INVOLVING THE NEED FOR SECRECY

Current Industry

G09C3/00Typewriters for ciphering or deciphering cryptographic text

Sub Industries

G09C3/02with auxiliary keys or keyboards acting on the original key or keyboards G09C3/04wherein the operative connections between the keys and the type-bars are automatically and continuously permuted, during operation, by a coding or key member G09C3/06the connections being mechanical G09C3/08the connections being electrical G09C3/10involving removable or interchangeable coding members
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    System and method for generating an integrated label for container...
    • Patent number 10,836,197
    • Issue date Nov 17, 2020
    • Edge Medical Properties, LLC
    • Robert A. Luciano
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    System and method for generating an integrated label for container...
    • Patent number 10,315,450
    • Issue date Jun 11, 2019
    • Edge Medical Properties, LLC
    • Robert A. Luciano
    • B42 - BOOKBINDING ALBUMS FILES SPECIAL PRINTED MATTER
  • Information Patent Grant

    Method and apparatus for encrypted print processing
    • Patent number 7,853,017
    • Issue date Dec 14, 2010
    • Canon Kabushiki Kaisha
    • Hiroko Iizuka
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Control circuits for electric coding machines
    • Patent number 6,175,625
    • Issue date Jan 16, 2001
    • The United States of America as represented by the National Security Agency
    • Laurance F. Safford
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Teletypewriter privacy system
    • Patent number 4,332,977
    • Issue date Jun 1, 1982
    • American Standard Inc.
    • Laurance F. Safford
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Teletype mixer apparatus for coding and decoding
    • Patent number 4,192,967
    • Issue date Mar 11, 1980
    • The United States of America as represented by the Secretary of the Air Force
    • Martin J. Prucha
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Printer for electric coding machines
    • Patent number 4,185,928
    • Issue date Jan 29, 1980
    • The United States of America as represented by the Secretary of the Navy
    • Howard L. Krum
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-mode digital enciphering system
    • Patent number 4,185,166
    • Issue date Jan 22, 1980
    • Datotek, Inc.
    • Frederick A. Kinch
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-mode digital enciphering system
    • Patent number 4,169,212
    • Issue date Sep 25, 1979
    • Datotek, Inc.
    • Frederick A. Kinch
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-mode digital enciphering system with repeated priming sequences
    • Patent number 4,166,922
    • Issue date Sep 4, 1979
    • Datotek, Inc.
    • Frederick A. Kinch
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Printing and coding machine
    • Patent number 4,155,659
    • Issue date May 22, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Edward S. Larson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Coding and decoding machine
    • Patent number 4,154,006
    • Issue date May 15, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Chester C. Wood
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electro-mechanical cipher machine
    • Patent number 4,143,978
    • Issue date Mar 13, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Bern Anderson
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Bowden wire substitute mechanism
    • Patent number 4,141,659
    • Issue date Feb 27, 1979
    • The United States of America as represented by the Secretary of the Navy
    • Berthel F. Madsen
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-mode digital enciphering system
    • Patent number 4,140,873
    • Issue date Feb 20, 1979
    • Datotek, Inc.
    • Frederick A. Kinch
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Mechanical movements for coding machines
    • Patent number 4,124,311
    • Issue date Nov 7, 1978
    • The United States of America as represented by the Secretary of the Navy
    • Albert H. Reiber
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Multi-mode digital enciphering system
    • Patent number 4,079,188
    • Issue date Mar 14, 1978
    • Datotek, Inc.
    • Frederick A. Kinch
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3849599
    • Patent number 3,849,599
    • Issue date Nov 19, 1974
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3752920
    • Patent number 3,752,920
    • Issue date Aug 14, 1973
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3670104
    • Patent number 3,670,104
    • Issue date Jun 13, 1972
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3349882
    • Patent number 3,349,882
    • Issue date Oct 31, 1967
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3201515
    • Patent number 3,201,515
    • Issue date Aug 17, 1965
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    3000486
    • Patent number 3,000,486
    • Issue date Sep 19, 1961
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2993089
    • Patent number 2,993,089
    • Issue date Jul 18, 1961
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2969135
    • Patent number 2,969,135
    • Issue date Jan 24, 1961
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2936058
    • Patent number 2,936,058
    • Issue date May 10, 1960
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2898402
    • Patent number 2,898,402
    • Issue date Aug 4, 1959
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2690475
    • Patent number 2,690,475
    • Issue date Sep 28, 1954
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2515492
    • Patent number 2,515,492
    • Issue date Jul 18, 1950
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    2513307
    • Patent number 2,513,307
    • Issue date Jul 4, 1950
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents