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
Methods and apparatus for voltage selection for a MOSFET switch device
Zoom lens
Method for forming pattern
Variable speed traffic control system
Method for treating rheumatoid arthritis by administering an anti-IL-6 antibody and methotrexate
Power management implementation in an optical link
  Randomly Featured Patents
LED light tube
Dynamic out-of-process software components isolation for trustworthiness execution
Preparation of vanillin from microbial transformation media by extraction by means supercritical fluids or gases
Build platform
Receiving member for a razor
Aircraft secondary power system
Wall mounted pipe clamp
Method of compressing data
Wearable leg lifter and leg repositioner
Method for producing 1,2-naphthoquinone-2-diazide derivatives