Dual-mode digital mobile communication terminal enabling CDMA and GSM
US8380243B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 9, 2010 |
| Grant date | Feb 19, 2013 |
| Priority date | — |
| Expiry date | Apr 9, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W88/06
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A dual-mode digital mobile communication terminal enabling Code Division Multiple Access (CDMA) and Global System for Mobile Communications (GSM) is disclosed, in which a processing module functions as a core; both CDMA and GSM wireless modules can be controlled; functions of high performance Bluetooth, camera, and FM receiver, etc. can be expanded; program downloading, debugging information printing and radio calibration, etc. can be implemented in various application states under the two wireless standards, through a five-pin micro USB interface and an eight-pin micro USB interface which are reserved for users, and an optimal arrangement of a series of internal analog switches, use of the interface resources may be maximized and the interfaces may be simplified; further, in the disclosure, various voice application states, such as handheld, earphone, hand-free and bluetooth, can be switched from one to another seamlessly and smoothly; and the hardware compatibility of a dual-mode dual-standby machine enabling CDMA and GSM with a dual-mode single-standby machine enabling CDMA and GSM can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.