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Single-pin oscillator
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Patent number 4,994,764
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Issue date Feb 19, 1991
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U.S. Philips Corporation
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Matthias Peters
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H03 - BASIC ELECTRONIC CIRCUITRY
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Oscillation circuit
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Patent number 4,233,574
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Issue date Nov 11, 1980
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Hitachi, Ltd.
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Kenji Kaneko
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H03 - BASIC ELECTRONIC CIRCUITRY
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3899753
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Patent number 3,899,753
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Issue date Aug 12, 1975
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H03 - BASIC ELECTRONIC CIRCUITRY
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3824495
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Patent number 3,824,495
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Issue date Jul 16, 1974
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H03 - BASIC ELECTRONIC CIRCUITRY
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3761840
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Patent number 3,761,840
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Issue date Sep 25, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3754152
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Patent number 3,754,152
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Issue date Aug 21, 1973
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H03 - BASIC ELECTRONIC CIRCUITRY
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3697983
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Patent number 3,697,983
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Issue date Oct 10, 1972
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G08 - SIGNALLING
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3684981
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Patent number 3,684,981
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Issue date Aug 15, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3649850
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Patent number 3,649,850
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Issue date Mar 14, 1972
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H03 - BASIC ELECTRONIC CIRCUITRY
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3626329
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Patent number 3,626,329
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Issue date Dec 7, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3585526
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Patent number 3,585,526
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Issue date Jun 15, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3581235
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Patent number 3,581,235
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Issue date May 25, 1971
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H03 - BASIC ELECTRONIC CIRCUITRY
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3534544
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Patent number 3,534,544
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Issue date Oct 20, 1970
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H03 - BASIC ELECTRONIC CIRCUITRY
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3475698
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Patent number 3,475,698
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Issue date Oct 28, 1969
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H03 - BASIC ELECTRONIC CIRCUITRY
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3434051
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Patent number 3,434,051
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Issue date Mar 18, 1969
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G01 - MEASURING TESTING
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3350662
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Patent number 3,350,662
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Issue date Oct 31, 1967
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H03 - BASIC ELECTRONIC CIRCUITRY
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3217269
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Patent number 3,217,269
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Issue date Nov 9, 1965
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H03 - BASIC ELECTRONIC CIRCUITRY
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3210685
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Patent number 3,210,685
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Issue date Oct 5, 1965
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H03 - BASIC ELECTRONIC CIRCUITRY
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3179902
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Patent number 3,179,902
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Issue date Apr 20, 1965
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H03 - BASIC ELECTRONIC CIRCUITRY