Resources Contact Us Home
Browse by Category: Main > Communications
Class Information
Number: 181/181
Name: Acoustics > Sound-modifying means > Intensifying horn > With vibratory filaments
Description: Subject matter including thin wires which are attached to the sound intensifying horn.

Patents under this class:

Patent Number Title Of Patent Date Issued
8379904 Electroacoustic vibrating transducer Feb. 19, 2013
5302310 Detergent compositions containing a carbonate builder, a seed crystal and an immobilized sequestrant Apr. 12, 1994
5170436 Acoustic speaker system Dec. 8, 1992

  Recently Added Patents
Digital media content distribution
Organic light-emitting display and method of manufacturing the same
Touch sensing technology
Selecting input/output components of a mobile terminal
Business flow processing method and apparatus
Nanowire structured photodiode with a surrounding epitaxially grown P or N layer
  Randomly Featured Patents
X-ray fluorescence elemental analyzer
Optical deflector and optical instrument using the same
Method/apparatus for measuring mud resistivity using a focused-electrode system
Door entry head guard
Modular jack
Process for producing crosslinked and foamed resin sheet
Hybrid cache having physical-cache and virtual-cache characteristics and method for accessing same
Method and apparatus for plasma surface treatment of a moving substrate
Vacuum filter device