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
Method of transmitting and receiving wireless resource information
Liquid crystal display
Method for cutting C--Mn steel with a fiber laser
Method of manufacturing acrylic film, and acrylic film
Information processing apparatus, information processing method, and program
Gestures for presentation of different views of a system diagram
Spatially pre-processed target-to-jammer ratio weighted filter and method thereof
  Randomly Featured Patents
Flexible bag mounting and carrying device
Method for disinfecting and purifying liquids and gasses
Apparatus and methods for delivering a stent into an ostium
Database managing system
Portion of a front face of a vehicle wheel
First and second spark plugs for improved combustion control
Compare and exchange operation using sleep-wakeup mechanism
Self-contained electronic lock with changeable master and slave codes
Image forming apparatus including a cleaning member having a bias voltage