WO2015066853A1 - Terminal equipment and control method thereof - Google Patents

Abstract

The present invention discloses a terminal equipment and control method thereof. The terminal equipment comprises a SIM card, a selective switch, a central processing unit, and a modem; the selective switch is connected to the SIM card, the central processing unit, and the modem; the modem is connected to the SIM card by means of the selective switch; when the central processing unit detects a first signal, the central processing unit generates a control signal according to the first signal and controls the selective switch by means of the control signal, enabling the central processing unit to connect to the SIM card by means of the selective switch. By the described means, the present invention enables a SIM card to connect to a modem or central processing unit, thus avoiding the problem of being unable to connect to a carrier by means of the SIM card when the modem fails; furthermore, when a terminal equipment connects to a fixed network, the terminal equipment authenticates directly by means of the SIM card.

Description

 Terminal device and control method thereof

[Technical Field]

 The present invention relates to the field of communication technologies, and in particular, to a terminal device and a control method thereof.

【Background technique】

Currently, the mobile phone is equipped with a customer identification module (Subscriber Identity). Module, SIM) card for use. The SIM card is used for storing the customer information of the mobile phone, the encrypted key, and the user's phone book, etc., for the mobile communication network to identify the identity of the mobile phone user, and encrypt the voice information when the mobile phone is in a call.

The mobile phone of the prior art demodulates the SIM card through the modem Modem to obtain the customer information of the mobile phone stored by the SIM card, the encrypted key, and the phone book of the user, and the mobile phone obtains the service of the operator through the SIM card. When the modem fails, the mobile phone cannot connect to the operator through the SIM card, and cannot obtain the service of the operator, which causes inconvenience to the user.

 [Summary of the Invention]

In view of this, the present invention provides a terminal device and a control method thereof to solve the problem that an operator cannot be connected through a SIM card when a modem fails.

The first aspect provides a terminal device, comprising: a SIM card, a selective switch, a central processing unit, and a modem, wherein the selective switch is respectively connected to the SIM card, the central processing unit, and the modem, and the modem is connected to the SIM card through the selective switch. When the central processor detects the first signal, the central processor generates a control signal according to the first signal, and controls the selective switch through the control signal to enable the central processor to connect the SIM card through the selective switch.

In conjunction with the implementation of the first aspect, in a first possible implementation, the selective switch includes a first end, a second end, a third end, and a control end, where the first end is connected to the SIM card, and the control end and the central processing Connected, the second end is connected to the central processor, and the third end is connected to the modem When the central processor sends a control signal to the control end, the second end of the selective switch is connected to the first end, and the central processor is connected to the SIM card through the selective switch; when the control end of the selective switch is suspended, the selectivity The third end of the switch is connected to the first end, and the modem is connected to the SIM card through a selective switch.

In conjunction with the first possible implementation of the first aspect, in a second possible implementation, the central processing unit includes a first interrupt port, and the first interrupt port is connected to the control end of the selective switch, and sends a control signal to At the control end, the control signal is an interrupt signal.

In conjunction with the implementation of the first aspect, in a third possible implementation manner, the terminal device further includes a WiFi module connected to the central processor, where the central processor reads from the SIM card when the terminal device connects to the fixed network through the WiFi module. Authentication information and authentication based on authentication information.

In conjunction with the implementation of the first aspect, in a fourth possible implementation, the terminal device further includes an input module, the input module acquires the first signal, and sends the first signal to the central processing unit.

In conjunction with the implementation of the first aspect, in a fifth possible implementation, the terminal device further includes an antenna, and the antenna is connected to the modem. When the modem connects the SIM card through the selective switch, the modem connects the mobile network through the antenna.

A second aspect provides a terminal device control method, the terminal device comprising a SIM card, a selective switch, a central processing unit, and a modem, wherein the selective switch is respectively connected to the SIM card, the central processing unit, and the modem, and the modem is connected to the SIM through the selective switch. The card comprises the following steps: the central processor detects the first signal and generates a control signal according to the first signal; the central processor controls the selective switch by the control signal to enable the central processor to connect the SIM card through the selective switch.

With the implementation of the second aspect, in a first possible implementation, the terminal device further includes a WiFi module connected to the central processing unit, and the method further includes: when the terminal device is connected to the fixed network through the WiFi module, the central processor is configured The SIM card reads the authentication information and implements authentication based on the authentication information.

Through the above solution, the present invention has the beneficial effects that the present invention is respectively connected to the SIM card, the central processing unit and the modem through the selective switch, and the modem connects the SIM card through the selective switch, and when the central processor detects the first signal, the central The processor generates a control signal according to the first signal, and controls the selective switch by the control signal, so that the central processing unit connects the SIM card through the selective switch, so that the SIM card is connected to the modem or the central processing unit, so as to avoid the failure of the modem when the modem fails. Connected to the carrier via a SIM card.

 [Description of the Drawings]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the present invention. Other drawings may also be obtained from those of ordinary skill in the art in light of the inventive work. among them:

1 is a schematic block diagram of a terminal device according to a first embodiment of the present invention;

2 is a schematic block diagram of a terminal device according to a second embodiment of the present invention;

3 is a flow chart showing a method of controlling a terminal device according to a first embodiment of the present invention.

 【detailed description】

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without departing from the inventive scope are the scope of the present invention.

Referring to FIG. 1, FIG. 1 is a schematic block diagram of a terminal device according to a first embodiment of the present invention. As shown in FIG. 1, the terminal device disclosed in this embodiment includes a SIM card 101, a selective switch 102, a central processing unit 103, and a modem 104.

In the present embodiment, the selective switch 102 is connected to the SIM card 101, the central processing unit 103, and the modem 104, respectively. The modem 104 connects the SIM card 101 through the selective switch 102 when the terminal device is operating normally. When the central processor 103 detects the first signal, the central processor 103 generates a control signal based on the first signal and controls the selective switch 102 by the control signal to cause the central processor 103 to connect the SIM card 101 through the selective switch 102.

When the modem 104 fails, the central processor 103 detects the first signal, and at this time, the central processing unit 103 is connected to the SIM card through the selective switch 102, which can prevent the terminal device from being unable to connect to the operator through the SIM card 101 when the modem 104 fails. .

The terminal device is preferably a mobile phone. In other embodiments of the present invention, the terminal device may also be an OTT (Over The Top, on top of a set-top box or tablet.

The present invention also provides a terminal device of the second embodiment, which is described in detail based on the terminal device disclosed in the first embodiment. The terminal device disclosed in this embodiment further includes an antenna 105, a WiFi module 106, and an input module 107. The antenna 105 is connected to the modem 104 to connect the modem 104 to the operator's mobile network via the antenna 105. The mobile network includes 3G (3rd-Generation, 3rd Generation Mobile Communication Technology) or LTE (Long). Term Evolution, long term evolution). The central processor 103 includes a first interrupt port GPIO.

The selective switch 102 disclosed in this embodiment is preferably an analog switch, wherein the selective switch 102 includes a first end 112, a control end 122, a second end 132, and a third end 142. The first end 112 of the selective switch 102 is The SIM card 101 is connected, the control terminal 122 of the selective switch 102 is connected to the central processing unit 103, the second end 132 of the selective switch 102 is connected to the central processing unit 103, and the third end 142 of the selection switch 102 is connected to the modem 104. The control terminal 122 is preferably connected to the first interrupt port GPIO of the central processing unit 103. The first interrupt port GPIO sends a control signal to the control terminal 122. The control signal generated by the central processor 103 is an interrupt signal, that is, the central processor 103 passes the interrupt signal. The selective switch 102 is controlled to connect the first end 112 of the selective switch 102 with the second end 132 or the third end 142.

In this embodiment, the WiFi module 106 is connected to the central processing unit 103, and the terminal device is connected to the fixed network through the WiFi module 106, wherein the fixed network is a home wireless network or a public place wireless network. The input module 107 is connected to the central processing unit 103, and the user inputs a first signal through the input module 107, which is preferably a touch screen of the terminal device.

The working principle of the terminal device disclosed in this embodiment is described in detail below.

When the terminal device works normally, that is, when the terminal device is not in the fixed network, the central processor 103 does not detect the first signal, and the first interrupt port GPIO does not output an interrupt signal. At this time, the first end 112 of the selective switch 102 and the first The three terminals 142 are connected, and the modem 104 is connected to the SIM card 101 through the selective switch 102, and is connected to the operator through the SIM card 101 and the antenna 105. The terminal device receives or transmits a mobile signal through the antenna 105 to implement functions such as Internet access or short message.

When the modem 104 fails, that is, when the modem 104 stops operating or enters the power saving mode, the central processor 103 detects the first signal and generates an interrupt signal according to the first signal, at which time the control terminal 122 of the selective switch 102 receives the interrupt. The first terminal 112 is connected to the third terminal 142 according to the interrupt signal, and the central processing unit 103 connects the SIM card 101 through the selective switch 102 and connects to the operator through the SIM card 101. The terminal device receives or transmits a mobile signal through the antenna 105 to implement functions such as Internet access or short message.

When the terminal device is in the fixed network, the user inputs the first signal through the input module 107 or the terminal device detects the fixed network, so that the terminal device connects to the fixed network through the WiFi module 106. At this time, the central processor 103 detects the first signal, and generates an interrupt signal according to the first signal, the control terminal 122 of the selective switch 102 receives the interrupt signal, and connects the first end 112 and the third end 142 according to the interrupt signal. The central processing unit 103 connects the SIM card 101 through the selective switch 102 and reads the authentication information from the SIM card 101 to implement authentication according to the authentication information, thereby allowing the central processing unit 103 to access the fixed network through the WiFi module 106. In addition, central processor 103 also controls modem 104 to enter a power save mode.

In this embodiment, the SIM card 101 includes a clock CLK interface, a reset RST interface, a data IO interface, or a power interface. Accordingly, the first end 112, the second end 132, and the third end 142 of the selective switch 102 each include a clock. CLK interface, reset RST interface, data IO interface or power interface.

The terminal device disclosed in this embodiment can connect the SIM card 101 through the selective switch 102 when the modem 104 fails, and the authentication is implemented by the SIM card 101 when the terminal device is in the fixed network, and the modem 104 is controlled to enter. The power saving mode further enhances the user experience and saves power; in addition, the terminal device realizes the common board design of the modem 104, thereby reducing the cost.

The present invention also provides a terminal device control method of the first embodiment, which is described in detail based on the terminal device disclosed in the first embodiment. As shown in FIG. 3, the terminal device control method disclosed in this embodiment includes:

S301: The central processor 103 detects the first signal, and generates a control signal according to the first signal.

S302: The central processing unit 103 controls the selective switch 102 by a control signal to cause the central processing unit 103 to connect the SIM card 101 through the selective switch 102.

Wherein, when the modem 104 fails, the central processing unit 103 detects the first signal, and at this time, the central processing unit 103 is connected to the SIM card through the selective switch 102, which can prevent the terminal device from being unable to connect to the SIM card 101 when the modem 104 fails. Operator.

The present invention also provides a terminal device control method of the second embodiment, which is described in detail based on the terminal device control method disclosed in the first embodiment. The terminal device control method disclosed in this embodiment includes:

When the terminal device is working normally, that is, when the terminal device is not in the fixed network, the central processor 103 does not detect the first signal. At this time, the modem 104 connects the SIM card 101 through the selective switch 102, and connects to the operator through the SIM card 101.

When the modem 104 fails, that is, when the modem 104 stops operating or enters the power saving mode, the central processor 103 detects the first signal and generates a control signal based on the first signal, and the central processor 103 controls the selective switch 102 by the control signal. At this time, the central processing unit 103 connects the SIM card 101 through the selective switch 102, and connects to the operator through the SIM card 101.

When the terminal device is in the fixed network, the central processor 103 detects the first signal and generates a control signal based on the first signal, and the central processor 103 controls the selective switch 102 by the control signal. At this time, the central processing unit 103 connects the SIM card 101 through the selective switch 102, and reads the authentication information from the SIM card 101 to implement authentication according to the authentication information, thereby allowing the central processing unit 103 to access the fixed network.

Different from the prior art, the terminal device disclosed by the present invention can connect the SIM card 101 through the selective switch 102 when the modem 104 fails, and realize the authentication through the SIM card 101 when the terminal device is in the fixed network. Right, and control the modem 104 to enter the power saving mode, thereby improving the user experience and saving power; in addition, the terminal device realizes the common board design of the modem 104, thereby reducing the cost.

The above is only the embodiment of the present invention, and is not intended to limit the scope of the invention, and the equivalent structure or equivalent process transformation of the present invention and the contents of the drawings may be directly or indirectly applied to other related technologies. The fields are all included in the scope of patent protection of the present invention.

Claims (8)

1. A terminal device, comprising: a SIM card, a selective switch, a central processing unit, and a modem, wherein the selective switch is respectively connected to the SIM card, the central processing unit, and the modem The modem connects the SIM card through a selective switch, and when the central processor detects the first signal, the central processor generates a control signal according to the first signal, and controls the The selective switch is configured to cause the central processor to connect the SIM card through the selective switch.
2. The terminal device according to claim 1, wherein the selective switch comprises a first end, a second end, a third end, and a control end, wherein the first end is connected to the SIM card, and the control The end is connected to the central processor, the second end is connected to the central processor, and the third end is connected to the modem The second end of the selective switch is connected to the first end when the central processor sends the control signal to the control end, and the central processor is connected through the selective switch a SIM card; when the control terminal of the selective switch is suspended, a third end of the selective switch is connected to the first end, and the modem connects the SIM card through the selective switch.
3. The terminal device according to claim 2, wherein said central processing unit comprises a first interrupt port, said first interrupt port is connected to a control end of said selective switch, and transmits said control signal to said At the control end, the control signal is an interrupt signal.
4. The terminal device according to claim 1, wherein the terminal device further comprises a WiFi module connected to the central processor, and the central processing is performed when the terminal device is connected to the fixed network through the WiFi module. The device reads the authentication information from the SIM card and implements authentication according to the identity verification information.
5. The terminal device according to claim 1, wherein the terminal device further comprises an input module, the input module acquiring the first signal and transmitting the first signal to the central processor.
6. The terminal device according to claim 1, wherein said terminal device further comprises an antenna, said antenna being connected to said modem, said modem being connected to said SIM card through said selective switch The mobile network is connected through the antenna.
7. A terminal device control method, characterized in that the terminal device comprises a SIM card, a selective switch, a central processing unit and a modem, and the selective switch is respectively associated with the SIM card, the central processing unit and the modem Connected, the modem connects the SIM card through a selective switch, the method comprising:

   The central processor detects the first signal and generates a control signal according to the first signal;

   The central processor controls the selective switch by the control signal to cause the central processor to connect the SIM card through the selective switch.
8. The method of claim 7, wherein the terminal device further comprises a WiFi module connected to the central processor, the method further comprising:

   When the terminal device connects to the fixed network through the WiFi module, the central processor reads identity verification information from the SIM card, and implements authentication according to the identity verification information.

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