Non-visible communication systems
US6954591B2 · kind B2 · utility
Inventors
Key dates
| Filing date | May 31, 2002 |
| Grant date | Oct 11, 2005 |
| Priority date | — |
| Expiry date | Oct 31, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B10/116
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Network for transmitting and using electromagnetic radiation for two or more functionally different useful purposes. Such a network may be comprised of a signal source apparatus to provide information, an electromagnetic radiation generator capable of being modulated for providing electromagnetic radiation, electronic circuitry for modulating the electromagnetic radiation generator, medium through which the electromagnetic radiation passes and is transmitted, a receiver apparatus for receiving and demodulating the modulated electromagnetic radiation, a first user means for processing and making use of the information to achieve a useful functional purpose, and second user means for achieving a useful functional purpose from said radiation said useful functional purpose being different from the purpose of said first user means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.