Inventor

DEUTSCH RALPH

US119 patents

⚠️ This page may combine multiple inventors who share the name “DEUTSCH RALPH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

DEUTSCH RALPH

KAWAI MUSICAL INSTR MFG CO

Tuning indicator for musical instruments

Digital frequency follower for electronic musical instruments

Guitar controlled electronic musical instrument

Automatic chord accompaniment for a guitar

Automatic legato keying for a keyboard electronic musical instrument

Digital noise generator for electronic musical instruments

Musical tone generator with time variant overtones

Dual mode musical tone generator using stored musical waveforms

Data reduction for a musical instrument using stored waveforms

Signal convolution production of time variant harmonics in an electronic musical instrument

Tone generator assignment in a keyboard electronic musical instrument

Extended harmonics in a polyphonic tone synthesizer

Frequency modulator for an electronic musical instrument

Musical tone generator with independent time varying harmonics

Adaptive strum keying for a keyboard electronic musical instrument

Constant speed polyphonic portamento system

Reentrant reverberation generator for an electronic musical instrument

Orchestra chorus in an electronic musical instrument

Polyphonic sliding portamento in a musical instrument

Apparatus for tone generation with combined loudness and formant spectral variation

Polyphonic tone synthesizer with loudness spectral variation

Unified tone generation in a polyphonic tone synthesizer

Automatic chord type and root note detector

Signal delay tone synthesizer

Nonlinear tone generation in a polyphonic tone synthesizer

Noise generator for a polyphonic tone synthesizer

Apparatus for generating the complement of a floating point binary number

Musical tone generator utilizing digital sliding formant filter

Data transfer apparatus for digital polyphonic tone synthesizer

Apparatus for producing musical tones having time variant harmonics

Electronic musical instrument with automatic loudness compensation

Harmonic formant filter for an electronic musical instrument

Implementation of multiple voices in an electronic musical instrument

Automatic harmonic interval keying in an electronic musical instrument

Echo effect circuit for an electronic musical instrument

Generation of noise-like tones in an electronic musical instrument

Formant filter synthesizer for an electronic musical instrument

Selectable automatic arpeggio for electronic musical instrument

Intrakeyboard coupling and transposition control for a keyboard musical instrument

Automatic sequence generator for a polyphonic tone synthesizer

Amplitude generator for an electronic organ

Touch responsive electronic piano

NIPPON MUSICAL INSTRUMENTS MFG

Touch responsive control system for a keyboard electronic musical instrument

Formant filtering in a computor organ

Fast multiplier circuit employing shift circuitry responsive to two binary numbers the sum of which approximately equals the mantissa of the multiplier

Computer organ with extended harmonics

DEUTSCH RES LAB

Transient voice generator

Polyphonic tone synthesizer

ADSR envelope generator

DEUTSCH RALPH

Keyboard switch detect and assignor