US PATENT SUBCLASS 381 / 307
.~.~ Surround (i.e., front plus rear or side)
Current as of:
June, 1999
Click
HD
for Main Headings
Click for
All Classes
Internet Version by
PATENTEC
© 1999
     
Terms of Use
381 /
HD
ELECTRICAL AUDIO SIGNAL PROCESSING SYSTEMS AND DEVICES
1
DF
BINAURAL AND STEREOPHONIC
{8}
300
DF
.~ Stereo speaker arrangement {7}
307
.~.~ Surround (i.e., front plus rear or side)
DEFINITION
Classification: 381/307
Surround (i.e., front plus rear or side):
(under subclass 300) Subject matter in which, in addition to having at least one transducer arranged forward of a listening position, at least one transducer is arranged laterally or to the back of the listening position.