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Christian J. Deforeit

MA Matth. Hohner Ag: 9 patents #1 of 11Top 10%
AT Atmel: 1 patents #459 of 762Top 65%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #357,421 of 4,157,543Top 9%
14
Patents All Time

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
5905221 Music chip 1999-05-18
4651611 Touch dynamics signal generator for electronic musical instruments 1987-03-24
4628790 Circuit for an electronic musical instrument 1986-12-16
4520706 Electronic musical instrument 1985-06-04
4500317 Method of and apparatus for producing an orchestra effect 1985-02-19
4484180 Switch condition indicator 1984-11-20
4422363 Method for digitally controlling the envelope curve in a polyphonic musical synthesizer and circuitry to implement the method 1983-12-27
4408511 Electronic musical instrument 1983-10-11
4402243 Synthesizer circuit for electronic musical instrument 1983-09-06
4397209 Method of determining chord type and root in a chromatically tuned electronic musical instrument 1983-08-09
4395930 Tone generator for an electronic musical instrument 1983-08-02
4384504 Method of and apparatus for phase synchronization of digitally synthesized signals 1983-05-24
4279186 Polyphonic synthesizer of periodic signals using digital techniques 1981-07-21
4217802 Polyphonic digital synthesizer 1980-08-19