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Digital-analog converter
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Patent number 4,862,170
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Issue date Aug 29, 1989
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Mori; Ryoichi
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Youichi Hashimoto
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3810151
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Patent number 3,810,151
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Issue date May 7, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3754233
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Patent number 3,754,233
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H03 - BASIC ELECTRONIC CIRCUITRY
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3731279
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Patent number 3,731,279
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H03 - BASIC ELECTRONIC CIRCUITRY
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3707713
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Patent number 3,707,713
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Issue date Dec 26, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3569821
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Patent number 3,569,821
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Issue date Mar 9, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3566240
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Patent number 3,566,240
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Issue date Feb 23, 1971
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G05 - CONTROLLING REGULATING
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3555540
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Patent number 3,555,540
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Issue date Jan 12, 1971
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G01 - MEASURING TESTING
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3549827
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Patent number 3,549,827
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Issue date Dec 22, 1970
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G06 - COMPUTING CALCULATING COUNTING
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3547527
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Patent number 3,547,527
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3540035
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Patent number 3,540,035
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Issue date Nov 10, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3500387
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Patent number 3,500,387
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H03 - BASIC ELECTRONIC CIRCUITRY
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3496562
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Patent number 3,496,562
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H03 - BASIC ELECTRONIC CIRCUITRY
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3495077
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Patent number 3,495,077
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G06 - COMPUTING CALCULATING COUNTING
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3465360
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Patent number 3,465,360
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G06 - COMPUTING CALCULATING COUNTING
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3465332
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Patent number 3,465,332
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G05 - CONTROLLING REGULATING
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3462590
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Patent number 3,462,590
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G06 - COMPUTING CALCULATING COUNTING
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3436753
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Patent number 3,436,753
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Issue date Apr 1, 1969
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G06 - COMPUTING CALCULATING COUNTING
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3428917
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Patent number 3,428,917
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H03 - BASIC ELECTRONIC CIRCUITRY
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3414818
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Patent number 3,414,818
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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3402395
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Patent number 3,402,395
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Issue date Sep 17, 1968
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G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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3397396
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Patent number 3,397,396
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H03 - BASIC ELECTRONIC CIRCUITRY
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3396383
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Patent number 3,396,383
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H03 - BASIC ELECTRONIC CIRCUITRY
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3390315
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Patent number 3,390,315
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G05 - CONTROLLING REGULATING
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3375354
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Patent number 3,375,354
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G05 - CONTROLLING REGULATING
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3371333
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Patent number 3,371,333
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H03 - BASIC ELECTRONIC CIRCUITRY
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3359499
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Patent number 3,359,499
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H03 - BASIC ELECTRONIC CIRCUITRY
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3354449
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Patent number 3,354,449
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H03 - BASIC ELECTRONIC CIRCUITRY
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3347457
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Patent number 3,347,457
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G05 - CONTROLLING REGULATING
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3344239
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Patent number 3,344,239
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Issue date Sep 26, 1967
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G06 - COMPUTING CALCULATING COUNTING