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
Event handling in an integrated execution environment
Means to securely fixate pacing leads and/or sensors in vessels
Output circuit
Information recording medium and information processing method for accessing content with license or copyright protection
Method for forming pattern
Phosphonate compounds
Microporous membranes and methods for producing and using such membranes
  Randomly Featured Patents
Matching new customer records to existing customer records in a large business database using hash key
Telescopic boom apparatus
Rewinding machine for coreless winding of a log of web material with a surface for supporting the log in the process of winding
Electric welding machine
Well centralizer and method of making
Mounting means
Label applicator
Monoclonal antibodies recognizing BAG3 protein sequences and their use in diagnostic and therapy of cell death-involving diseases
Phase-shift digital holographic apparatus
Device for inspecting vessel surfaces