Apparatus and method for transmitting information with a subminimally modulated transmission signal
US5513219A · kind A · utility
8Cited by
5References
40Claims
0Family size
Assignees
Inventor
Key dates
| Filing date | Aug 26, 1994 |
| Grant date | Apr 30, 1996 |
| Priority date | — |
| Expiry date | Aug 26, 2014 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L27/144
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
Applicant's invention includes an apparatus and associated method for transmitting information at a high rate using an undermodulated frequency shift keyed signal. The transmission rate is independent of the data content and the system requires no zero crossing detectors. The demodulator combines non-linear processing circuitry with a conventional demodulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.