Back to results
US 2006/0078150 A1Published application
Low cost hearing protection device
OwnerJon Knorr, Benjamin Knappinventors
Life of this patent
Estimating the term…
Abstract
An apparatus having at least one earpiece, a circuit and a power supply. The earpiece having a speaker and a microphone. The microphone receiving external sound energy and converting the external sound energy to electrical sound signals. The circuit receiving the electrical sound signals and attenuating the electrical sound signals utilizing a plurality of attenuation values. The circuit provides the attenuated sound signals to the speaker. The power supply provides power to the circuit.
Claims8
An apparatus, comprising:
- at least one earpiece, the earpiece having a speaker and a microphone, the microphone receiving external sound energy and converting the external sound energy to electrical sound signals;
- a circuit receiving the electrical sound signals and attenuating the electrical sound signals utilizing a plurality of attenuation values, and providing the attenuated sound signals to the speaker;
- and
- a power supply for providing power to the circuit.
1 more element
An apparatus, comprising:
- at least one earpiece, the earpiece having a speaker and a microphone, the microphone receiving external sound energy and converting the external sound energy to electrical sound signals;
- a circuit having a digital potentiometer coupled between the microphone and the speaker, the digital potentiometer receiving the electrical sound signals and attenuating the electrical sound signals based upon input signals derived from a plurality of attenuation values, and providing the attenuated sound signals to the speaker;
- and
- a power supply for providing power to the circuit.
1 more element
Dependencies are inferred from the claim text.