Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Adjustable microphone boom with acoustic valve










Image Number 13 for United States Patent #6768804.

A sound sensing apparatus such as a communication headset uses a microphone and an acoustic valve controlled by a movable boom to operate in at least a compact and an extended-boom mode, with the valve variously coupling the microphone to different openings on the boom or the main body functioning as the acoustic sensing point.








 
 
  Recently Added Patents
Mobile multi-network communications device
Electric fan
Method and system for generating and using an augmented bloom filter
Method and communication system for controlling communication distance of RF SIM card with the aid of tag identification
Programmable display device, and control system
M.times.N wavelength selective switch (WSS)
Wireless communication systems
  Randomly Featured Patents
Washing device
Table
Method of designing an RPWM inverter with unwanted harmonic elimination
Maize variety X4F694
Storage unit
Process for controlling scarab pests with Bacillus thuringiensis isolates
Chair
Tether device
Vehicle speed detection unit and wheel attachment unit
Image forming apparatus featuring a rotatable supporting member for a transfer belt