Closed-loop audio attenuator

Closure element for housing openings during a tumbling process

Closure for sealing a medication container

CMOS high impedance circuit

Co-channel interference detector

Co-processor controlled switching apparatus and method for dispa

Coaxial dual-parabolic sound lens speaker system

Coaxial loud speaker system

Coaxial loudspeaker system

Coaxial loudspeaker system

Coaxial mid-frequency and high-frequency loudspeaker

Coaxial speaker unit

Coaxial speaker with step-down ledge to eliminate sound wave...

Cochlear implants with a stimulus in the human ultrasonic...

Code conversion system

Code excited linear predictive vocoder

Code excited linear predictive vocoder using virtual searching

Code-conversion method and apparatus for analyzing and synthesiz

Coded speech communication system having code books for synthesi

Coder for incorporating an auxiliary information signal in a dig