A division of PCB, called IMI Sensors are now selling accelerometers, signal conditions, alarm sensors and more that provide 4-20mA signals. The signal conditioners convert ICP accelerometer signals into 4-20mA analogue signals, suitable for use with industrial process monitoring systems.
Read more on the IMI Sensors web site.
Orbseal have released an expanding polyurethane foam that can be used to fill cavities, designed for automotive use. The foam can improve the rigidity of panels and improve the transmission loss of panels.
Read more on the SAE web site.
There is a good article on the vibration problem that occured on London’s Millenium bridge and how it was solved, in the latest issue of International Journal of Acoustics and Vibration. (Vibration of the London Millenium Bridge: Cause and Cure, David Newland, IJAV, March, Vol 8, No. 1, 2003)
Global Media has released a new producted called ClearMic, which is an “acoustic echo cancellation device”, which can be used for video or tele- conferencing.
Read more on the Global Media web site.
Acoustic Magic have a array microphone product that can be used for teleconferencing. The array microphone and associated DSP and software are used to locate someone talking, and electronically steers a “listening beam”, like an acoustic searchlight, in that direction.
Read more on the Acoustic Magic web site.
Andrea Electronics will sell its aircraft communication products division for $3.25m to a group of private investors. They have been looking for ways to fund their anti-noise and DSP microphone and audio software products divisions, said the president and CEO of the company, Christopher Sauvigne.
Read more on the Andrea Electronics web site.
LMS has released version 2 of its Virtual Lab software suite. The software can be used to predict motion, durability, noise and vibration.
Read more on the LMS web site.
NXT, a company that holds several patents for flat panel speakers, has helped NEC design a computer monitor for desktop PCs that acts as a loudspeaker.
Read more on the NXT web site.
Mide are the suppliers of ACX’s Quickpack piezo-electric actuators.
Read more on the Mide web site.