in which the digital generator is adjusted in a predetermined direction regardless of the sign of the error

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    • Patent number 3,544,895
    • Issue date Dec 1, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Patent number 3,512,152
    • Issue date May 12, 1970
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3471853

    • Patent number 3,471,853
    • Issue date Oct 7, 1969
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3435193

    • Patent number 3,435,193
    • Issue date Mar 25, 1969
    • G06 - COMPUTING CALCULATING COUNTING
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    3408595

    • Patent number 3,408,595
    • Issue date Oct 29, 1968
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3368149

    • Patent number 3,368,149
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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3359474

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    • Issue date Dec 19, 1967
    • G05 - CONTROLLING REGULATING
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    • Issue date Dec 19, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Issue date Jun 13, 1967
    • G01 - MEASURING TESTING
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    • Patent number 3,316,546
    • Issue date Apr 25, 1967
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Patent number 3,315,254
    • Issue date Apr 18, 1967
    • G05 - CONTROLLING REGULATING
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    3309693

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    • Issue date Mar 14, 1967
    • G11 - INFORMATION STORAGE
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    3286253

    • Patent number 3,286,253
    • Issue date Nov 15, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3245072

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    • Issue date Apr 5, 1966
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3204187

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    • Issue date Aug 31, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3167757

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    • Issue date Jan 26, 1965
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Issue date Sep 22, 1964
    • A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES
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    3072332

    • Patent number 3,072,332
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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    3062442

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    2967292

    • Patent number 2,967,292
    • Issue date Jan 3, 1961
    • G01 - MEASURING TESTING
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    2872670

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    2700750

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    • Issue date Jan 25, 1955
    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Patent number 2,662,118
    • Issue date Dec 8, 1953
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
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    2631778

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    • H03 - BASIC ELECTRONIC CIRCUITRY
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    • Issue date Sep 16, 1952
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

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