Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Electrical & Energy
Class Information
Number: 381/
Name: Electrical audio signal processing systems and devices > Binaural and stereophonic
Description:










Sub-classes under this class:

Class Number Class Name Patents
381/28 Amplifier 119
381/2 Broadcast or multiplex stereo 286
381/27 Center channel 147
381/23.1 Hearing aid 121
381/17 Pseudo stereophonic 696
381/19 Quadrasonic 182
381/26 Stereo sound pickup device (microphone) 146
381/300 Stereo speaker arrangement 262


Patents under this class:

Patent Number Title Of Patent Date Issued











 
 
  Recently Added Patents
Soft error rate mitigation by interconnect structure
Anisotropic conductive film and light emitting device
Shoe upper
Network stack instance architecture with selection of transport layers
Power consumption management in a network device
Mutated Salmonella typhi strain and use thereof in a vaccine
Method for preparing aramid paper and the aramid paper obtained therefrom
  Randomly Featured Patents
Average responding RMS indicating type transducer
System, method and computer program product for collaborative background music among portable communication devices
Vibrator type densitometer
Feature biassing and absorptive phase-shifting techniques to improve optical projection imaging
Peptide having an affinity for gp120
Floribunda rose plant named `JACment`
Valve body
Methods and apparatus for blood typing with optical bio-disc
System for character preserving guidelines removal in optically scanned text
Hearing aid having plural microphones and a microphone switching system