Method and apparatus for enhancing an infrared signal protocol
US7054361B1 · kind B1 · utility
7Cited by
18References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 31, 2000 |
| Grant date | May 30, 2006 |
| Priority date | — |
| Expiry date | Feb 28, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/4902
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
An apparatus and method for providing control signals, comprising a processor coupled to a memory, for generating a signal sequence. The processor encodes the signal sequence into a plurality of symbols using a 5 pulse position modulated (5 PPM) scheme. Advantageously, the last position of each symbol encoded under the 5 PPM scheme is set to a low bit. The symbol sequence represents a signaling protocol having a payload portion and a header portion, wherein the header portion comprises a plurality of fields for defining the payload portion. The payload portion indicates keyboard characters or coordinates for a pointing device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.