Multi-band mobile communication device
US7386278B2 · kind B2 · utility
4Cited by
15References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 12, 2002 |
| Grant date | Jun 10, 2008 |
| Priority date | — |
| Expiry date | Apr 25, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04B1/406
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Disclosed is a communication apparatus having a small-scale circuit used for modulation. A common transmission image rejection mixer (56) supplies transmission modulation frequencies to a plurality of quadrature modulators (23) (G, D, P, W). Accordingly, it is unnecessary to prepare the transmission image rejection mixer (56) for transmission signal types, makes it possible to prevent the circuit scale from increasing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.