U.S. federal trademark · Serial No. 79050100 · Reg. No. 3567917
Research and development of new products in the fields of audiology, audiometry, speech enhancement, acoustic surveillance, radio propagation, and cosmic measurements
Vibration sensors in the form of microphones, which focus on wave propagating signals such as human speech and alarm signals, and sort out unwanted wave propagating signals, such as noise and other interfering signals used with hearing protection and hearing support devices, hearing aids, IP, cellular and satellite telephony devices, telephone and computer headsets, devices for hands-free telephone use, vehicle, aviation and military communication devices
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