Relative phase of signals is variable

Patents Grantslast 30 patents

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    3396320

    • Patent number 3,396,320
    • Issue date Aug 6, 1968
    • G05 - CONTROLLING REGULATING
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    3215915

    • Patent number 3,215,915
    • Issue date Nov 2, 1965
    • G05 - CONTROLLING REGULATING
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    3051880

    • Patent number 3,051,880
    • Issue date Aug 28, 1962
    • G05 - CONTROLLING REGULATING