Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Quantitative method for evaluation of the state of piano hammer felt tonal regulation

Quantitative method for evaluation of the state of piano hammer felt tonal regulation

US Patent 5537862 · Granted Jul 23, 1996

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Religious speaking teddy bear2024
Method and apparatus for acoustical power transfer and communication using steel2022
Method and apparatus for acoustical power transfer and communication using steel2020
Method and apparatus for acoustical power transfer and communication using steel2019
Method and apparatus for an acoustic-electric channel mounting2017
Method and apparatus for acoustic downhole telemetry and power delivery system u2017
Ultrasonic high temperature and pressure housing for piezoelectric-acoustic chan2016
Acoustic-electric channel construction and operation using adaptive transducer a2016
Full-duplex ultrasonic through-wall communication and power delivery system with2016
Multi-channel through-wall communication system using crosstalk suppression2016
Adaptive system for efficient transmission of power and data through acoustic me2015
Multi-way coaxial loudspeaker with magnetic cylinder2015