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Variable current source
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Patent number 4,349,777
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Issue date Sep 14, 1982
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Takeda Riken Kogyo Kabushikikaisha
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Masakazu Mitamura
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G05 - CONTROLLING REGULATING
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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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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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3890602
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Patent number 3,890,602
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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3848195
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Patent number 3,848,195
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Issue date Nov 12, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3836906
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Patent number 3,836,906
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Issue date Sep 17, 1974
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G11 - INFORMATION STORAGE
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3825925
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Patent number 3,825,925
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Issue date Jul 23, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3816825
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Patent number 3,816,825
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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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H03 - BASIC ELECTRONIC CIRCUITRY
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3789389
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Patent number 3,789,389
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H03 - BASIC ELECTRONIC CIRCUITRY
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3766543
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Patent number 3,766,543
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G05 - CONTROLLING REGULATING
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3750141
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Patent number 3,750,141
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H03 - BASIC ELECTRONIC CIRCUITRY
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3739375
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Patent number 3,739,375
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3737891
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Patent number 3,737,891
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H03 - BASIC ELECTRONIC CIRCUITRY
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3729732
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Patent number 3,729,732
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H03 - BASIC ELECTRONIC CIRCUITRY
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3719808
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Patent number 3,719,808
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G05 - CONTROLLING REGULATING
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3717777
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Patent number 3,717,777
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G05 - CONTROLLING REGULATING
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3714599
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H03 - BASIC ELECTRONIC CIRCUITRY
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3705359
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3699568
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H03 - BASIC ELECTRONIC CIRCUITRY
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3696391
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G06 - COMPUTING CALCULATING COUNTING
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3684968
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H03 - BASIC ELECTRONIC CIRCUITRY
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3683367
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Patent number 3,683,367
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H03 - BASIC ELECTRONIC CIRCUITRY
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3676600
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Patent number 3,676,600
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3668693
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Patent number 3,668,693
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Issue date Jun 6, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3657658
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Patent number 3,657,658
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G05 - CONTROLLING REGULATING