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
Performing a cyclic redundancy checksum operation responsive to a user-level instruction
Extreme ultraviolet light source device and method for generating extreme ultraviolet light
Program recording medium, image processing apparatus, imaging apparatus, and image processing method
Edge alphas for image translation
Process for making diethyl ether from acetic acid
System and method for improving text input in a shorthand-on-keyboard interface
Detection of procedural deficiency across multiple business applications
  Randomly Featured Patents
Apparatus and method for downloading configuration data to card terminals and for viewing activity at card terminals
Light source using emitting particles to provide visible light
Process for aligning liquid-crystalline polymers
Isotropic antenna system and notebook computer
Device and a method for positioning an array of control electrodes in a printhead structure for direct electrostatic printing
Systems and methods for time-based management of backup battery life in memory controller systems
LC-included electronic component
Tent
Glitter pencil having two color glitters with swirl effect
Carpet cleaning machine with pattern-oriented vacuum nozzle