Inventor

THOMASSON SAMUEL L

US31 patents

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

THOMASSON SAMUEL L

ACOUSTIC TECH INC

Apparatus and method for adjusting audio equipment in acoustic environments

Noise reduction circuit for telephones

Acoustic and electronic echo cancellation

Echo cancelling process with improved phase control

Band pass filter from two notch filters

Reducing acoustic feedback with digital modulation

High resolution delay line

Background communication using shadow of audio signal

Tagging echoes with low frequency noise

Precise amplitude correction circuit

Band pass filter from two filters

Band pass filter with improved group delay

Band pass and notch filters for echo reduction with less phase distortion

Wide range, variable phase shift circuit

Separation of plural band pass filters

THOMASSON SAMUEL L

Method for calibrating a hearing aid

Energy storage for PV water heater

Acoustic security system and method

Light powered hearing aid

(unassigned)

Digital apparatus for reducing acoustic feedback

Electronic stethoscope

Apparatus and method for reducing acoustic feedback

ACOUSTIC TECHNOLOGY INC

Full duplex echo cancelling circuit

Soft mute circuit

Band-by-band full duplex communication

ZOUNDS HEARING INC

Method for identifying a hearing aid

Method for identifying a hearing aid

WU FAN

Wireless gateway for hearing aid

FINK SCOTT RAYMOND

Method for communicating with a hearing aid

ZOUNDS INC

Rechargeable hearing aid

LOWMILLER DONALD ALLAN

Hearing aid with capacitive switch