The Hi-Sound Compact stereo parabolic microphone has been developed ... and retains the transparent polycarbonate reflectors that focus sound waves to microphone capsules in a similar way to ...

Parabolic microphones are used to listen in from a distance. You see them on the sidelines of NFL football games, but they’re part of the standard issue in detective and spy novels. Now you can ...

Schematic diagram of a parabolic reflector. Incoming sound is directed to the microphone placed at the focus of the parabola-shaped reflector. The property of the parabolic shape to reflect all sound ...

Legend tells of Greek engineer and inventor Archimedes using parabolic ... sound method of harnessing parabolic mirrors to drive solar-powered lasers. Small scale analogs of giant reflector ...

Fitting a simple, passive, parabolic reflector around your router’s antenna can focus the signal exactly where you want it. Your network will reach farther, and the addition can even improve ...

Officials in rural Texas are accused of paying campaign worker who told elderly people how to vote: docs Iconic Rock Band The Who Set to Say Goodbye to the U.S. Navy chief removed from duties for ...

To me, this means a large parabolic reflector, a feed horn made of brass sheet, coat hanger wire, and at least for the initial experiments, an RTL-SDR dongle. I’ve done the calculations ...

Here’s how it works. Jay Holben The next in line on our examination of lighting fixtures is the PAR, which is an acronym for Parabolic Aluminum Reflector. The classic PAR is a reflector and lamp all ...