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
Active metal fuel cells
External preparation composition for skin comprising ginseng flower or ginseng seed extracts
Therapeutic rinse in a self-heating package
Motor vehicle, toy and/or replica
Microfluidic cartridge and method of using same
Sabatier process and apparatus for controlling exothermic reaction
System or method to assist and automate an information security classification and marking process for government and non-government organizations for information of an electronic document
  Randomly Featured Patents
Organoaluminosiloxane coating compositions and coated substrate
Volumetric metering device for the metered delivery of granular and powdery materials particulary for machines for distributing such materials
Pharmaceutical compositions
Modulator for gas chromatography
Process for the distillation of crude ester in the DMT/PTA process
Stripper device for log splitters
Apparatus for measuring optoelectric properties of OLED and the measurement method thereof
System and method for device management on a dedicated short-range communication network
Overhead door panel and method of making
Cross assembly for drive line joint and corresponding drive line joint