in which the reference signal is produced from the digital generator using an auxiliary D/A converter

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    • Issue date Oct 16, 1973
    • G05 - CONTROLLING REGULATING
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    • Patent number 3,588,884
    • Issue date Jun 28, 1971
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3555436

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    • G06 - COMPUTING CALCULATING COUNTING
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    3541445

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3447050

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    • Issue date May 27, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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    3436754

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • G06 - COMPUTING CALCULATING COUNTING
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    3276012

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3238449

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    3221170

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    3192519

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    3141157

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    3018045

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    2880392

    • Patent number 2,880,392
    • Issue date Mar 31, 1959
    • G01 - MEASURING TESTING
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    2811665

    • Patent number 2,811,665
    • Issue date Oct 29, 1957
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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    2717994

    • Patent number 2,717,994
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    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents