Inventor
WIGGINS RICHARD H
9 patents
⚠️ This page may combine multiple inventors who share the name “WIGGINS RICHARD H”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TEXAS INSTRUMENTS INC
8 patentsUS4464118AAug 7, 1984
Didactic device to improve penmanship and drawing skills
TEXAS INSTRUMENTS INC85 citations94
US4441201AApr 3, 1984
Speech synthesis system utilizing variable frame rate
TEXAS INSTRUMENTS INC45 citations91
US4441399AApr 10, 1984
Interactive device for teaching musical tones or melodies
TEXAS INSTRUMENTS INC35 citations89
US4439161AMar 27, 1984
Taught learning aid
TEXAS INSTRUMENTS INC29 citations89
US4354056AOct 12, 1982
Method and apparatus for speech synthesis filter excitation
TEXAS INSTRUMENTS INC7 citations73
US4443859AApr 17, 1984
Speech analysis circuits using an inverse lattice network
TEXAS INSTRUMENTS INC14 citations72
US4319083AMar 9, 1982
Integrated speech synthesis circuit with internal and external excitation capabilities
TEXAS INSTRUMENTS INC8 citations72
US4323732AApr 6, 1982
Speech synthesis system with alternative coded or uncoded parameter formats
TEXAS INSTRUMENTS INC4 citations61