Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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
Integrated monitoring in problem management in service desk
Field emission cathode structure
Method and system for utilizing Perovskite material for charge storage and as a dielectric
Photomask blank, photomask blank manufacturing method, and photomask manufacturing method
Apparatus and method to simulate a power trip to a disk drive
Signal activated molecular delivery
Identifying media content in queries
  Randomly Featured Patents
Process for the industrial synthesis of vinyl and isopropenyl chloroformate and thiochloroformate
Injection stretching and blow molding machine
Packaging
Foot measuring device
Using a server's capability profile to establish a connection
Two-tier authentication system where clients first authenticate with independent service providers and then automatically exchange messages with a client controller to gain network access
Method for detecting solidification in a mixed phase container
Methods of assaying differential expression
Method for fabricating III-V group compound semiconductor
Error management framework