Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Stereophonic spatial expansion circuit with tonal compensation and active matrixing

Stereophonic spatial expansion circuit with tonal compensation and active matrixing

US Patent 6947564 · Granted Sep 20, 2005

Estimated economic value: $484,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Multi-transducer sustainer for stringed musical instruments2022
Peak to peak signal detector for audio system2004
Amplifier apparatus with transient recovery aid2001
Controls for musical instrument sustainers2000
Stereo expander1999
Sustainer for a musical instrument1999
String vibration sustaining device1991
Magnetic field compensator for a CRT1990
String vibration sustaining device1990
Electro-mechanical transducer which couples positive acoustic feedback into an e1989
Television receiver standby power supply1988
Switching power supply with raster width stabilization1987