Multimode service radio communication method and apparatus
US6438371B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 22, 1999 |
| Grant date | Aug 20, 2002 |
| Priority date | — |
| Expiry date | Apr 22, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04H20/62
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A multimode service radio communication apparatus, that provides a hand-held or vehicle-mounted terminal with radio communication and radio broadcasting information of a radio information and communication providing system including mobile communication systems and intelligent transport systems, includes a frequency division multiplexer that integration-converts individual radio or intermediate frequencies modulated for mobile telephones and broadcasts so that the modulated frequencies are included in a specific frequency band, and produces radio signals in the specific frequency band; supply device for supplying the radio signals; an antenna for receiving and transmitting the supplied radio signals; a shared antenna for receiving the transmitted radio signals; and terminals to which specific frequencies in the specific frequency band are selectively linked.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.