Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Communications
Class Information
Number: 181/183
Name: Acoustics > Sound-modifying means > Intensifying horn > With resonant chamber > Double wall
Description: Subject matter wherein the resonant chamber lies between at least part of a side of the horn and a second structure substantially parallel to that part of the horn.










Patents under this class:

Patent Number Title Of Patent Date Issued
7813770 Speaker module design Oct. 12, 2010
6986260 Electrical fan system for vehicle Jan. 17, 2006
6836239 Method and system for displaying text on a radial display Dec. 28, 2004
6001132 Preparation of aqueous solutions suitable for finishing cellulose containing textile materials Dec. 14, 1999











 
 
  Recently Added Patents
Wire catalyst for hydrogenation/dehydrogenation reaction and manufacturing method therefor
Fluorescent molecule and method for detecting target nucleic acid
Preventative traffic congestion social networking improvement system within a community
Dryer
Combination of a microorganism and a phytosphingosine derivative, composition, methods of use
Integrated monitoring in problem management in service desk
High performance strained source-drain structure and method of fabricating the same
  Randomly Featured Patents
Writing pen
Vertical takeoff and landing aerial vehicle
Semiconductor device heat dissipation structure
Preservation of bioactive materials by spray drying
Monte Carlo based treatment planning for neutron capture therapy
Method and apparatus for producing electroplated magnetic memory disk, and the like
Image forming device, printing system, and printing method
Metal/metal oxide coating
Signal quality monitoring and control for a medical device system
Lignin-based dispersants especially adapted for thermosol dyeing