Balanced biphase transmitter using reduced amplitude of longer pulses
US4596023A · kind A · utility
14Cited by
21References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 1983 |
| Grant date | Jun 17, 1986 |
| Priority date | — |
| Expiry date | Aug 25, 2003 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/4904
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
The data communication system includes an encoder to receive nonreturn-to-zero data signals and convert them to biphase signals, a current mode transmitter for transmitting the biphase signals, and a communication link connected to the transmitter. The encoder senses transitions in the nonreturn-to-zero data signals and controls the amplitude of the biphase signals in response to the sensed transitions. These transitions are sensed by inverting and delaying the nonreturn-to-zero data signals and exclusively ORing these delayed and inverted signals with the nonreturn-to-zero data signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.