Inventor · disambiguated record
Joseph M. Campbell
Also filed as: CAMPBELL JOSEPH M
6 granted patents·75 citations·filing 1976–1977
84Inventor score
Files withTELEDYNE IND6
Top patents by PatentIndex Score
6 records- 0181US4132141ASolenoid-hammer control system for the re-creation of expression effects from a recorded musical presentationTELEDYNE IND·Filed 1976·Granted Jan 2, 1979·21 cites·2 claims
- 0262US4172403AMethod and apparatus for encoding of expression while recording from the keyboard of an electronic player pianoTELEDYNE IND·Filed 1977·Granted Oct 30, 1979·12 cites·13 claims
- 0358US4135428ACircuit for controlling the expression of an electronically controlled keyboard instrumentTELEDYNE IND·Filed 1977·Granted Jan 23, 1979·13 cites·4 claims
- 0455US4176578ASystem for encoding of bass and treble expression effects while recording from the keyboard of an electronic player pianoTELEDYNE IND·Filed 1977·Granted Dec 4, 1979·12 cites·9 claims
- 0547US4174652AMethod and apparatus for recording digital signals for actuating solenoidTELEDYNE IND·Filed 1977·Granted Nov 20, 1979·10 cites·6 claims
- 0641US4132142AMethod and apparatus for reproducing a musical presentationTELEDYNE IND·Filed 1976·Granted Jan 2, 1979·7 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →