Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Voice pitch detector and display

Voice pitch detector and display

US Patent 4292469 · Granted Sep 29, 1981

Estimated economic value: $403,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Gas permeable hydrophobic material2020
Method and apparatus for conferencing of text messages2016
Method and apparatus for conferencing of text messages2013
Using speech recognition to access the internet, including access via a telephon2000
Method and apparatus for extracting information-bearing portions of a signal for1991
Method and apparatus for generating a signal transformation and the use thereof 1990
Method for signal processing1987
Real time cochlear implant processor1985
Process of human-machine interactive educational instruction using voice respons1984
Method and apparatus for speech recognition1983
Method and apparatus for speech recognition1983
Vibratory aid for presbycusis1982