Title:
Simplified extended stereo
Document Type and Number:
United States Patent 3249696
Publication Date:
05/03/1966
Assignee:
ZENITH RADIO CORP
International Classes:
H04S1/00
US Patent References:
| 2114019 | Sound reproducing system | | | |
| 2819342 | Monaural-binaural transmission of sound | | | |
| 3079463 | Stereo sound system | | | |
| 3170991 | System for stereo separation ratio control, elimination of cross-talk and the like | | | |