Resources Contact Us Home
Miniature speaker device and television set

Image Number 10 for United States Patent #8130998.

A miniature speaker device includes a housing, a speaker mounted on the housing, a passive radiator mounted on the housing and vibrating in resonance with vibration of the speaker and having no driving system and a low frequency range amplification circuit for amplifying sound pressure in frequency components of a low frequency range of a single audio signal input in the speaker.

  Recently Added Patents
Controller interface providing improved data reliability
Lead with lead stiffener for implantable electrical stimulation systems and methods of making and using
Vanilloid receptor ligands and use thereof for the production of pharmaceutical preparations
Plant disease control composition and its use
Method for transmitting a signal
Feature-based autocorrection
Automated synchronization of design features in disparate code components using type differencing
  Randomly Featured Patents
Adjustable shelf for storing electronic devices
Message center system
Apparatus for removing residual developer material from a surface of a printing machine
Video camera-based visibility measurement system
Docking slot portion of an object
Small arms laser training device
Generating an instant review image using fractional readouts
Image forming apparatus and method for controlling image density
Electrical connector seal
Marine seismic source towing apparatus and method