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
Magnetic water activator
Electro-hydraulic control system for a dual clutch transmission
Devulcanized rubber and methods
Methods of programming semiconductor memory devices
System for generating Raman vibrational analysis signals
Blister package apparatus and methods for tablets
Device for stripping a wafer from a carrier
  Randomly Featured Patents
Method of forming a polysilicon resistor using an oxide, nitride stack
Scented trail making device
Releasable fish gaff
Electron gun for cathode ray tube
Method and apparatus for detecting anomalous shadows
Fabric of commingled fiberglass and polytetrafluoroethylene and method of producing same
Hammer brush holder assembly for a commutator motor
Manufacturing a complementary MOSFET
Antibodies reactive with VEGF-C, a ligand for the Flt4 receptor tyrosine kinase (VEGFR-3)
Termination circuit for network interface unit