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Digital coder
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Patent number 3,935,569
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Issue date Jan 27, 1976
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Compagnie Industrielle des Telecommunications Cit-Alcatel
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Francois Marcel
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H03 - BASIC ELECTRONIC CIRCUITRY
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3896431
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Patent number 3,896,431
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Issue date Jul 22, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3895378
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Patent number 3,895,378
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Issue date Jul 15, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3843872
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Patent number 3,843,872
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Issue date Oct 22, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3842413
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Patent number 3,842,413
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Issue date Oct 15, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3840807
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Patent number 3,840,807
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Issue date Oct 8, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3838413
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Patent number 3,838,413
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Issue date Sep 24, 1974
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G06 - COMPUTING CALCULATING COUNTING
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3805149
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Patent number 3,805,149
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Issue date Apr 16, 1974
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G01 - MEASURING TESTING
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3803591
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Patent number 3,803,591
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Issue date Apr 9, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3798637
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Patent number 3,798,637
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Issue date Mar 19, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3754235
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Patent number 3,754,235
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Issue date Aug 21, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3745560
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Patent number 3,745,560
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Issue date Jul 10, 1973
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G01 - MEASURING TESTING
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3743429
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Patent number 3,743,429
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Issue date Jul 3, 1973
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G01 - MEASURING TESTING
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3742487
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Patent number 3,742,487
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Issue date Jun 26, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3742489
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Patent number 3,742,489
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Issue date Jun 26, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3737894
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Patent number 3,737,894
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Issue date Jun 5, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3732406
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Patent number 3,732,406
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Issue date May 8, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3729732
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Patent number 3,729,732
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Issue date Apr 24, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3727074
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Patent number 3,727,074
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Issue date Apr 10, 1973
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G06 - COMPUTING CALCULATING COUNTING
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3725903
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Patent number 3,725,903
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Issue date Apr 3, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3719807
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Patent number 3,719,807
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Issue date Mar 6, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3713023
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Patent number 3,713,023
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Issue date Jan 23, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3705359
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Patent number 3,705,359
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Issue date Dec 5, 1972
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3686487
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Patent number 3,686,487
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Issue date Aug 22, 1972
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G01 - MEASURING TESTING
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3684968
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Patent number 3,684,968
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Issue date Aug 15, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY