System and method of telephonic dialing simulation
US8107997B2 · kind B2 · utility
1Cited by
32References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2004 |
| Grant date | Jan 31, 2012 |
| Priority date | — |
| Expiry date | Mar 29, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A multiple mode, personal, wireless communications system is disclosed which exists within a radiotelephone network serving general customers and provides unique additional services to a select group of customers equipped with special handsets, without impacting the general customers. The special handsets automatically switch between and operate in either analog or digital mode with the standard radiotelephone network and in an enhanced cordless mode when within range of independent pico cells, that are interconnected with the public switched telephone network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.