Modular Power Corporation

Local Silence, Inc.

Sleep Solutions, Inc.

Anthony F Matouk

Ahmet Karakasoglu

David C Hoffman

Chin N Hung

Dieter Enzmann

Donald M Barrus

Daniel Aschbacher

Tadao B Warashina

Lawrence C Grotte

James S Abbott

A system for attenuating noise which can be sensed by the auditory nerve comprising a microphone positioned in a first sound region for sensing noise present in the first sound region for creating a first electrical signal having a frequency and amplitude corresponding to the noise sensed in the first sound region. Circuitry is provided for processing the first electrical signal to create a second electrical signal having the same frequency but of opposite amplitude and sign of the first electrical signal. A speaker is provided for converting the second electrical signal to anti-noise for attenuation of the sensed noise in a second sound region spaced from the first sound region. A microphone is disposed in the second sound region for detecting any noise above a predetermined noise level in the second sound region to provide an error correction signal. Circuitry is provided responsive to the error correction signal to modify the second electrical signal to bring the noise in the second sound region so that it is below a predetermined noise level.

Active electronic noise suppression system and method for reducing

Sleep apnea screening and/or detection apparatus for use by a patient breathing through the nose and/or mouth and producing an air flow into and out of the lungs of the patient and creating audible sounds. It is comprised of a first microphone positioned in the vicinity of the patient's nose and mouth and out of contact therewith to pick up audible sounds created by breathing of the patient and providing a first electrical analog signal. A second microphone is provided which is positioned near the patient for picking up ambient noise in the vicinity of the patient and providing a second electrical analog signal, an active noise controller is provided for combining the first and second electrical analog signals to provide a third electrical signal for generating a fourth electrical signal providing a waveform which is closely correlated with the air flow of the patient. A classifier is provided for classifying the electrical waveform provided by the fourth electrical signal to determine when a disordered breathing event has occurred.

Sleep apnea screening and/or detecting apparatus and method

System for use by a caller and a recipient of a telephone call for suppressing environmental noise in the vicinity of a telephone comprising a telephone handset forming a part of the telephone. The telephone handset has a human voice sensor for picking up human sounds generally in one direction, and creating a first electrical signal. A speaker capable of producing substantially directional human voice sounds is provided. A second sound sensor is carried by the handset and has sound pick-up capabilities from a direction which is generally opposite said one direction for picking up external environmental noise in the vicinity of the handset and producing a second electrical signal having a frequency and amplitude. Electrical circuitry is provided for processing the second electrical signal to provide a third electrical signal of the same frequency as the second electrical signal but of opposite amplitude and sign and for combining the third electrical signal with the first electrical signal to suppress environmental noise present in the first electrical signal so that the recipient will receive an electrical signal in which the environmental noise in the vicinity of the caller has been suppressed.

Active noise suppression system for telephone handsets and method

Modular power supply

Electronic power supply comprising a framework having front and rear sides and top and bottom sides and having a vertically disposed space extending upwardly from the bottom of the framework through the top of the framework. It also is comprised of a plurality of power modules disposed in the framework and having heat sinks extending into the vertically disposed space. Fans are provided for forcing air in a vertical direction through the space.

Modular electronic power supply

Growing community of inventors

Los Altos, CA, United States of America

Anthony F Matouk