AM Stereophonic transmission system
US4079204A · kind A · utility
14Cited by
6References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1976 |
| Grant date | Mar 14, 1978 |
| Priority date | — |
| Expiry date | Dec 22, 1996 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/49
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
An AM stereophonic transmission system in which a carrier wave signal is phase- or frequency-modulated by an audio composite signal L - jR or L + jR and the phase- or frequency-modulated carrier wave signal is further amplitude-modulated by an audio composite signal L + jR or L - jR.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.