US8380243B2
Active / In Force
US
⏱️ 3.4 years remaining
Dual-mode digital mobile communication terminal enabling CDMA and GSM
Assignee: ZTE Corp
•
Filing: 2010-04-09
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Granted: 2013-02-19
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Expires: 2030-04-09
Abstract
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.
Inventors
- 👤 Yongliang Zhang
- 👤 Ran Qi
- 👤 Lei Ma
- 👤 Fangxi Hou
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 11:40
CPC Classifications
H; H04; H04W; H04W88/00; H04W88/02; H04W88/06; H04B; H04B7/00; H04B7/24; H04B7/26; H04B7/2618; H04B1/00; H04B1/38; H04B1/40; H04B7/2603
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
405 words
A dual-mode digital mobile communication terminal enabling Code Division Multiple Access (CDMA) and Global System for Mobile Communications (GSM), comprising: a first Universal Serial Bus (USB) connector, a second USB connector, an application processing module, a CDMA wireless module, a GSM wireless module, a first analog switch, a second analog switch, a third analog switch and a fourth analog switch, wherein the first USB connector is connected with a Universal Asynchronous Receiver/Transmitter (UART) interface of the application processing module through the first analog switch to print UART debugging information; the first USB connector is connected with a USB interface of the application processing module through the first analog switch to perform USB-downloading of a program for an application side; the second USB connector switches between the GSM wireless module and the CDMA wireless module through the second analog switch; the second USB connector is configured to output debugging information of the GSM wireless module and perform radio calibration when the second USB connector switches to the GSM wireless module, and to perform the USB-downloading at a CDMA wireless side and output the debugging information or output UART debugging information at the CDMA wireless side when the second USB connector switches to the CDMA wireless module; the third analog switch is located in a position where the second analog switch is connected with the fourth analog switch, and the fourth analog switch is located in a position where the third analog switch is connected with the CDMA wireless module, that is when the second USB connector is connected with the CDMA wireless module through the second, third and fourth analog switches, the CDMA wireless module is not controlled by the application processing module, and is configured to perform the USB-downloading at the CDMA wireless side and the debugging information output; the third analog switch is located in a position where the second analog switch is connected with the CDMA wireless module, and the fourth analog switch is located in a position where the CDMA wireless module is connected with the application processing module, that is when the second USB connector is connected with the CDMA wireless module through the second and third analog switches, and the application processing module is connected with the CDMA wireless module through the fourth analog switches, the CDMA wireless module is controlled by the application processing module, and is configured to output the UART debugging information at the CDMA wireless side.
Claim 2
Dependent Claim
405 words
A dual-mode digital mobile communication terminal enabling Code Division Multiple Access (CDMA) and Global System for Mobile Communications (GSM), comprising: a first Universal Serial Bus (USB) connector, a second USB connector, an application processing module, a CDMA wireless module, a GSM wireless module, a first analog switch, a second analog switch, a third analog switch and a fourth analog switch, wherein the first USB connector is connected with a Universal Asynchronous Receiver/Transmitter (UART) interface of the application processing module through the first analog switch to print UART debugging information; the first USB connector is connected with a USB interface of the application processing module through the first analog switch to perform USB-downloading of a program for an application side; the second USB connector switches between the GSM wireless module and the CDMA wireless module through the second analog switch; the second USB connector is configured to output debugging information of the GSM wireless module and perform radio calibration when the second USB connector switches to the GSM wireless module, and to perform the USB-downloading at a CDMA wireless side and output the debugging information or output UART debugging information at the CDMA wireless side when the second USB connector switches to the CDMA wireless module; the third analog switch is located in a position where the second analog switch is connected with the fourth analog switch, and the fourth analog switch is located in a position where the third analog switch is connected with the CDMA wireless module, that is when the second USB connector is connected with the CDMA wireless module through the second, third and fourth analog switches, the CDMA wireless module is not controlled by the application processing module, and is configured to perform the USB-downloading at the CDMA wireless side and the debugging information output; the third analog switch is located in a position where the second analog switch is connected with the CDMA wireless module, and the fourth analog switch is located in a position where the CDMA wireless module is connected with the application processing module, that is when the second USB connector is connected with the CDMA wireless module through the second and third analog switches, and the application processing module is connected with the CDMA wireless module through the fourth analog switches, the CDMA wireless module is controlled by the application processing module, and is configured to output the UART debugging information at the CDMA wireless side.
Claim 3
Dependent Claim
44 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , wherein the application processing module communicates with the GSM wireless module through a UART bus; the application processing module communicates with the CDMA wireless module through a USB interface.
Claim 4
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 2 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 5
Dependent Claim
49 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , wherein the third analog switch is connected to a USB channel by default to be connected with the fourth analog switch and is connected to the CDMA wireless module through the fourth analog switch.
Claim 6
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 4 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 7
Dependent Claim
50 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , wherein the application processing module performs Attention (AT) communication with the CDMA wireless module and the GSM wireless module through a group of specialized handshaking signals with a certain degree of time division multiplexing function.
Claim 8
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 6 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 9
Dependent Claim
168 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , further comprising: a Bluetooth module, an audio encoder/decoder, a loudspeaker, telephone receiver, a microphone, a fifth analog switch and a sixth analog switch, wherein the fifth analog switch is configured to switch the Bluetooth module between connection with the GSM wireless module and connection with the CDMA module, and is controlled by the application processing module via a high/low voltage level; the sixth analog switch is configured to switch the audio encode/decoder between connection with the GSM wireless module and connection with the CDMA module, and is controlled by the application processing module via the high/low voltage level which is the same as and synchronous to that for controlling the fifth analog switch; the loudspeaker, the telephone receiver and the microphone are connected to the audio encoder/decoder module and are configured to receive an analog audio from the audio encoder/decoder module or to send an analog audio to the audio encoder/decoder module, respectively.
Claim 10
Dependent Claim
30 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 8 , wherein both the CDMA wireless module and the GSM module are in a master mode.
Claim 11
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 9 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 12
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 8 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 13
Dependent Claim
103 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , further comprising: a first card slot, a second card slot, a seventh analog switch and an eight analog switch, wherein the seventh analog switch and the eight analog switch are controlled by the application processing module in a time sharing manner to connect a User Identifier Module (UIM) card interface of the CDMA module and a Subscriber Identity Module (SIM) card of the GSM module to the two card slots, respectively, to freely switch the CDMA wireless module and the GSM wireless module between the two card slots.
Claim 14
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 12 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
Claim 15
Dependent Claim
35 words
The dual-mode digital mobile communication terminal enabling CDMA and GSM according to claim 1 , wherein the first USB connector is a five-pin micro connector and the second USB connector is an eight-pin micro connector.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2016-02-19 | 2016-08-20 | 2017-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2020-02-19 | 2020-08-20 | 2021-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2024-02-19 | 2024-08-20 | 2025-02-19 | $7700.00 | Window Closed / Lapsed |