Assignee
WURLITZER CO
50 granted patents·546 citations·filing 1974–1982
Top patents by PatentIndex Score
50 records- 0193US4067253AElectronic tone-generating systemWURLITZER CO·Filed 1976·Granted Jan 10, 1978·50 cites·33 claims
- 0289US3941226AElectronic coin switchWURLITZER CO·Filed 1974·Granted Mar 2, 1976·59 cites·7 claims
- 0385US4282575AControl system for vending machineWURLITZER CO·Filed 1979·Granted Aug 4, 1981·64 cites·17 claims
- 0485US4205575ABinary interpolator for electronic musical instrumentWURLITZER CO·Filed 1978·Granted Jun 3, 1980·24 cites·15 claims
- 0585US4055103AElectronic musical instrument using integrated circuit componentsWURLITZER CO·Filed 1976·Granted Oct 25, 1977·24 cites·14 claims
- 0683US3935783AElectronic piano circuitWURLITZER CO·Filed 1974·Granted Feb 3, 1976·28 cites·18 claims
- 0777US4078465AProgrammable memory system for electronic musical instrumentWURLITZER CO·Filed 1976·Granted Mar 14, 1978·18 cites·15 claims
- 0873US4016495AElectronic musical instrument using plural programmable divider circuitsWURLITZER CO·Filed 1975·Granted Apr 5, 1977·15 cites·6 claims
- 0969US4361458APiano soundboard and method of making sameWURLITZER CO·Filed 1981·Granted Nov 30, 1982·24 cites·5 claims
- 1068US4163407AProgrammable rhythm unitWURLITZER CO·Filed 1977·Granted Aug 7, 1979·13 cites·14 claims
- 1168US3976301ARecord selector mechanism for a phonograph systemWURLITZER CO·Filed 1975·Granted Aug 24, 1976·14 cites·11 claims
- 1267US4375179AAction for electronic pianoWURLITZER CO·Filed 1980·Granted Mar 1, 1983·17 cites·18 claims
- 1367US3967828ARecord selector mechanism for a phonograph systemWURLITZER CO·Filed 1975·Granted Jul 6, 1976·13 cites·6 claims
- 1464US4299153ATouch responsive envelope control for electronic musical instrumentWURLITZER CO·Filed 1979·Granted Nov 10, 1981·11 cites·14 claims
- 1563US4361754ARecord operated control system for a vending machineWURLITZER CO·Filed 1980·Granted Nov 30, 1982·25 cites·25 claims
- 1656US4428270AElectronic vibrato or celesteWURLITZER CO·Filed 1981·Granted Jan 31, 1984·8 cites·23 claims
- 1756US4137810ADigitally encoded top octave frequency generatorWURLITZER CO·Filed 1977·Granted Feb 6, 1979·8 cites·27 claims
- 1855US3941023AChord button assemblyWURLITZER CO·Filed 1974·Granted Mar 2, 1976·14 cites·10 claims
- 1954US3965791AStop tablet assemblyWURLITZER CO·Filed 1974·Granted Jun 29, 1976·10 cites·12 claims
- 2053US4417496AVelocity sensitive keyer control circuit for an electronic musical instrumentWURLITZER CO·Filed 1981·Granted Nov 29, 1983·7 cites·16 claims
- 2153US4205574AElectronic musical instrument with variable pulse producing systemWURLITZER CO·Filed 1978·Granted Jun 3, 1980·7 cites·27 claims
- 2249US4197777AAutomatic chord control circuit for electronic musical instrumentsWURLITZER CO·Filed 1976·Granted Apr 15, 1980·6 cites·10 claims
- 2347US4388851ANon-volatile memory system for an electronic musical instrumentWURLITZER CO·Filed 1980·Granted Jun 21, 1983·5 cites·6 claims
- 2447US4207792ATri-state encoding circuit for electronic musical instrumentWURLITZER CO·Filed 1979·Granted Jun 17, 1980·5 cites·13 claims
- 2547US4045776AElectronic phonograph selector and memory systemWURLITZER CO·Filed 1976·Granted Aug 30, 1977·6 cites·22 claims
- 2642US4319509ASequence generator for an electronic musical instrumentWURLITZER CO·Filed 1980·Granted Mar 16, 1982·4 cites·14 claims
- 2741US4393740AProgrammable tone generatorWURLITZER CO·Filed 1981·Granted Jul 19, 1983·4 cites·8 claims
- 2841US3937115AElectronic piano circuit arrangementWURLITZER CO·Filed 1974·Granted Feb 10, 1976·6 cites·7 claims
- 2939US4248124APiano soundboardWURLITZER CO·Filed 1978·Granted Feb 3, 1981·5 cites·3 claims
- 3037US4256002ALarge scale integrated circuit generator chip for electronic organWURLITZER CO·Filed 1978·Granted Mar 17, 1981·3 cites·6 claims
- 3137US4253369ADigital control of attack and decayWURLITZER CO·Filed 1978·Granted Mar 3, 1981·3 cites·3 claims
- 3237US4024786AElectronic musical instrument using integrated circuit componentsWURLITZER CO·Filed 1975·Granted May 24, 1977·5 cites·24 claims
- 3336US4331057AAutomatic chord control circuit for electronic musical instrumentsWURLITZER CO·Filed 1979·Granted May 25, 1982·5 cites·10 claims
- 3436US4319508AModular, expandable digital organ systemWURLITZER CO·Filed 1978·Granted Mar 16, 1982·3 cites·5 claims
- 3535US4254682AProduction of chord notes in a digital organWURLITZER CO·Filed 1978·Granted Mar 10, 1981·4 cites·21 claims
- 3634US4342247AProduction of detuning effects in an electronic musical instrumentWURLITZER CO·Filed 1980·Granted Aug 3, 1982·2 cites·10 claims
- 3733US4271741AAccompaniment system for electronic musical instrumentWURLITZER CO·Filed 1978·Granted Jun 9, 1981·3 cites·22 claims
- 3833US4203337ALarge scale integrated circuit chip for an electronic organWURLITZER CO·Filed 1978·Granted May 20, 1980·2 cites·12 claims
- 3933US4200022AEnvelope control causing damper effect on percussive voices of electronic musical instrumentWURLITZER CO·Filed 1978·Granted Apr 29, 1980·2 cites·7 claims
- 4033US4028980ASostenuto piano actionWURLITZER CO·Filed 1975·Granted Jun 14, 1977·4 cites·3 claims
- 4131US4391177APiano soundboard and method of making sameWURLITZER CO·Filed 1982·Granted Jul 5, 1983·3 cites·8 claims
- 4231US4218949AMaster control LSI chipWURLITZER CO·Filed 1978·Granted Aug 26, 1980·3 cites·15 claims
- 4330US4226157AWaveform synthesis for an electronic musical instrumentWURLITZER CO·Filed 1978·Granted Oct 7, 1980·1 cites·10 claims
- 4430US4216693AMeans for storing bass rhythm patternsWURLITZER CO·Filed 1978·Granted Aug 12, 1980·0 cites·7 claims
- 4529US4470333AGeneration of musical tones from multiplexed serial dataWURLITZER CO·Filed 1982·Granted Sep 11, 1984·0 cites·7 claims
- 4629US4253366ALarge scale integrated circuit chip for an electronic organWURLITZER CO·Filed 1978·Granted Mar 3, 1981·1 cites·11 claims
- 4729US4207793AVariable rate portamento systemWURLITZER CO·Filed 1977·Granted Jun 17, 1980·1 cites·19 claims
- 4829US4196651ANon-redundant generator unlockingWURLITZER CO·Filed 1978·Granted Apr 8, 1980·1 cites·12 claims
- 4928US4280389APiano soundboardWURLITZER CO·Filed 1980·Granted Jul 28, 1981·2 cites·6 claims
- 5028US4000906ATwo-speed automatic phonographWURLITZER CO·Filed 1975·Granted Jan 4, 1977·4 cites·7 claims
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