Resources Contact Us Home
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
Partial response decision feedback equalizer with distributed control
(Meth)acrylic resin composition, imidized (meth)acrylic resin composition, and film obtained by molding them
Data distribution unit for vehicle entertainment system
Methods and systems for dynamic spectrum arbitrage
Apparatus and method for transferring a data signal propagated along a bidirectional communication path within a data processing apparatus
Ion beam system and method of operating ion beam system
Automatic pill dispenser
  Randomly Featured Patents
Fluoropolymer-based medical implant coating compositions
Locally stored content previews. Representative of programming content in an electronic programming guide through a graphic image accessed from the hard drive of a set top box
Diffraction element and an optical multiplexing/demultiplexing device incorporating the same
Vehicle body structure
Plastic air duct integrated to headliner
Electric lock defroster
Pneumatic tire comprising a foamed rubber layer containing a vulcanization accelerator and comprising a closed cell and solid rubber phase
Semiconductor device and method of manufacturing the same
Mark position detecting apparatus and mark position detecting method