Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Speaker










Image Number 3 for United States Patent #6522759.

A reduced-size speaker for generating sound waves in wide low frequency audio region includes a cylindrical main body which is open at the top and bottom surfaces, a top lid being provided on the top surface of the main body and a circular ring-shaped base, which has a hole in its center, being provided on the bottom surface of the main body. A circular sound pipe is provided approximately in the center of the top lid and extends from the upper surface of the main body through the inside of the main body. A disc-like film is provided over the opening of the hole of the base, which is located at the outer side with respect to the main body, the disc-like film being held between the base and a circular ring-shaped bottom lid. A disc-like sound generator is provided in the opening of the hole of the base, which is located at the inner side with respect to the main body, with a circular ring-shaped damper provided in between. A plurality of supporting members are attached to the bottom lid in order to mount the speaker on a mounting surface.








 
 
  Recently Added Patents
Client network device and method for adjusting parameters of client traffic windows based on discovery of other network devices
Card reader device
Computerized on-board system for controlling a train
Gangable electrical box and leveling assembly
Method and system for placing an emergency call
AC/DC converter
Display apparatus and control method thereof
  Randomly Featured Patents
Luminous display and method of making same
Table
Method and apparatus for distributing digital contents to various terminals and recording medium containing same
Method, system, and program product for managing communications pursuant to an information technology (IT) migration
Stable toluene disproportionation process
Load distribution method and system for distributed threaded task operation in network information processing apparatuses with virtual shared memory
Method for the rearrangement of dialkylbenzene dihydroperoxides to dihydric phenols
Adapter for surgical navigation trackers
Trim molding for a motor vehicle window
Wheeled tool container