Cinder block modular diffusor
Cinder block modular diffusor
Cinema sound system for unperforated screens
Circuit-unit-combined speaker apparatus
Cladding part for component
Clamped acoustic elastic wave generator
Clamped receiver array using coiled tubing conveyed packer eleme
Clamped receiver array using tubing conveyed packer elements
Clampless hose retainer mechanism
Cleanable in-the-ear electroacoustic transducer
Clip-on earphone device
Closed air system seismic wave generator
Closed cavity noise suppressor
Closed loop embedded audio transmission line technology for...
Closed-loop downhole resonant source
Cloth for loudspeaker diaphragm, loudspeaker diaphragm, and...
Cluster of loudspeaker cabinets having adjustable splay angle
Co-linear loudspeaker system
Co-oscillating, volume-changing resonator in the form of a silen
Co-oscillating, volume-changing resonator in the form of a silen