Resources Contact Us Home
Speaker diaphragm and method of manufacturing speaker diaphragm

Image Number 11 for United States Patent #7546897.

A speaker diaphragm made of a resin containing a thermoplastic polymeric material is provided. The speaker diaphragm includes a changed portion formed on the diaphragm that is molded using the resin. The changed portion is formed by partially changing physical properties of the thermoplastic polymeric material for dispersing local vibrations based on a characteristic of local vibrations measured in advance.

  Recently Added Patents
Method and system for monitoring service quality in a mobile node
Methods and compositions for inhibition of neutrophil exocytosis
Image reading apparatus
Sound producing apparatus for vehicle
Profile and template based dynamic portable user workflow
Method of purifying crude acetone stream
Electronic component, a semiconductor wafer and a method for producing an electronic component
  Randomly Featured Patents
Non-aqueous solvent specific binding protein assays
Method and apparatus for computing a shared secret key
Automated lifecycle management of a computer implemented service
Process for producing pearls in abalone and other shell-bearing molluska and nucleus used therewith
Use of enzymes to reduce steep time and SO2 requirements in a maize wet-milling process
Method and system for monitoring a workflow for an object
Method of grouping single cells of power sources to build optimal packs using parameters obtained by analysis of impedance spectrum
Split-beam laser apparatus for making a nozzle member
Method and system for automatically connecting telephone calls to multiple devices having different directory numbers
Actuator driving circuit