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
Watch dial
Image processing apparatus, image processing system, and image processing method
Digital image processing device and processing method thereof
Flexible organic light emitting device and manufacturing method thereof
In-vehicle electronic control apparatus having monitoring control circuit
Network client validation of network management frames
Toner for developing electrostatic charge image, electrostatic charge image developer, toner cartridge, process cartridge, image forming method, and image forming apparatus
  Randomly Featured Patents
Method and system for synthesizing array antennas
Chair structure having auxiliary backrest leg and accommodating backrest pockets
Microelectronic capacitor with barrier layer
Apparatus for the manufacture of a fancy yarn
Process for the cutting or stamping of individual parts from an animal skin
Handheld surveying device and method
Electro-dynamic or electro-static lens coupled to a stacked ring ion guide
Thermal-assisted magnetic memory storage device
Laundry dryer carton
Paint color testing kit and method