TREA

Synchronous clock systems

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Industry

  • CPC
  • G04C15/0063
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C15/00Clocks driven by synchronous motors

Current Industry

G04C15/0063Synchronous clock systems
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Demand target display device
    • Patent number 9,638,730
    • Issue date May 2, 2017
    • NIHON TECHNO CO., LTD.
    • Eiichi Umamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    1641940
    • Patent number 1,641,940
    • Issue date Sep 6, 1927
    • G04 - HOROLOGY
  • Information Patent Grant

    1450620
    • Patent number 1,450,620
    • Issue date Apr 3, 1923
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE