CN109474721B - Method and system for mutually using different types of SIM cards and communication terminal - Google Patents
Method and system for mutually using different types of SIM cards and communication terminal Download PDFInfo
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- CN109474721B CN109474721B CN201811386637.3A CN201811386637A CN109474721B CN 109474721 B CN109474721 B CN 109474721B CN 201811386637 A CN201811386637 A CN 201811386637A CN 109474721 B CN109474721 B CN 109474721B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3816—Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
- H04B1/3818—Arrangements for facilitating insertion or removal of identification devices
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Abstract
The invention discloses a method for mutually using different types of SIM cards based on the same card slot, wherein the method comprises the following steps: the card slot reads a card signal of the inserted SIM card and sends the card signal to the card signal control unit; the card signal control unit bridges the card signals to different types of card detection using units in sequence according to a controller instruction sent by the CPU; the different type card detection using unit detects whether the card signal is an identifiable card signal, and if the card signal is the identifiable card signal, the card detection using unit sends an identification success signal to the CPU; after receiving the identification success signal, the CPU sends a fixed control logic instruction to the card signal control unit; the card signal control unit responds to the fixed control logic instruction and fixedly bridges the card signal on a card detection using unit capable of identifying the card signal. In embodiments of the present invention, different types of SIM cards may be used on the same card slot. The invention also provides an interoperability system of different types of SIM cards based on the same card slot and a communication terminal.
Description
Technical Field
The invention relates to the technical field of communication, in particular to a method and a system for mutually using different types of SIM cards based on the same card slot and a communication terminal.
Background
The space of the portable equipment is higher and higher, and some portable equipment needs to support different types of SIM cards, such as Beidou and 4G communication cards; on the existing communication equipment, a card slot on one piece of communication equipment can only identify one type of SIM card, like a common mobile phone equipment terminal, the SIM card can only support 4G communication generally, and the Beidou communication terminal can only support the Beidou communication SIM card; when no ordinary cell-phone signal in field or open sea, when needing to carry out corresponding communication through big dipper signal, need pass through big dipper communication SIM card, at this moment ordinary cell-phone does not support, needs to hold the communication equipment of different grade type simultaneously, increases user use cost, inconvenient user carries the scheduling problem.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a method, a system and a communication terminal for mutually using different types of SIM cards based on the same card slot, so that different types of SIM cards can be used on the same card slot of a communication device, the cost of using different types of SIM cards by a user is reduced, and the carrying by the user is convenient.
In order to solve the above technical problem, an embodiment of the present invention provides an interoperability method for different types of SIM cards based on the same card slot, where the interoperability method includes:
the card slot reads a card signal of the inserted SIM card and sends the card signal to a card signal control unit;
the card signal control unit bridges the card signals to different types of card detection using units in sequence according to a controller instruction sent by a CPU;
the different-type card detection using unit detects whether the card signal is an identifiable card signal, and if the card signal is the identifiable card signal, the different-type card detection using unit sends an identification success signal to the CPU;
after receiving the identification success signal, the CPU sends a fixed control logic instruction to the card signal control unit;
and the card signal control unit responds to the fixed control logic instruction and fixedly bridges the card signal on a card detection using unit capable of identifying the card signal.
Optionally, the SIM card includes a beidou communication SIM card and a 4G mobile communication SIM card.
Optionally, the different type card detection and use unit at least includes: a first type card detection using unit and a second type card detection using unit; wherein the content of the first and second substances,
the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the like, or, alternatively,
the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication.
Optionally, the detecting and using unit of the different type card detects whether the card signal is an identifiable card signal, and if the card signal is an identifiable card signal, sends an identification success signal to the CPU, including:
the first type card detection using unit detects whether the card signal is an identifiable card signal after acquiring the bridged card signal; if yes, sending an identification success signal to the CPU;
if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controls the card signal control unit to switch the card signal to a second type card detection using unit;
until the Nth type card detection using unit successfully identifies the card signal, or the card detection using units of different types cannot identify the card signal.
Optionally, the controlling the card signal control unit to bridge the card signal to the second type card detection using unit includes:
the CPU sends a switching bridging instruction for switching and bridging the card signal to a second type card detection using unit to the card signal control unit by changing an IO control logic;
and the card signal control unit responds to the switching bridging instruction and switches and bridges the card signal to the second type card detection using unit.
Optionally, the interoperability method further includes:
and if the different types of card detection use units cannot identify the card signals, the SIM card inserted into the card slot is fed back to the user as an invalid card or an unplugged SIM card.
In addition, an embodiment of the present invention further provides an interoperability system for different types of SIM cards based on the same card slot, where the interoperability system includes:
a card slot unit: the SIM card reader is used for reading a card signal of an inserted SIM card and sending the card signal to a card signal control unit;
a card signal control unit: the system comprises a CPU, a card signal detection and utilization unit, a controller and a card signal acquisition and utilization unit, wherein the controller is used for sending a controller instruction to bridge the card signal to different types of card detection and utilization units in sequence according to the controller instruction sent by the CPU; responding to the fixed control logic instruction, fixedly bridging the card signal on a card detection using unit capable of identifying the card signal;
different types of card detection use units: the CPU is used for detecting whether the card signal is an identifiable card signal or not, and if the card signal is the identifiable card signal, sending an identification success signal to the CPU;
a CPU: and the fixed control logic command is used for sending a fixed control logic command to the card signal control unit after receiving the identification success signal.
Optionally, the SIM card includes a beidou communication SIM card and a 4G mobile communication SIM card.
Optionally, the different type card detection and use unit at least includes: a first type card detection using unit and a second type card detection using unit; wherein the content of the first and second substances,
the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the like, or, alternatively,
the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication.
In addition, an embodiment of the present invention further provides a communication terminal, where the communication terminal includes:
at least one card slot;
one or more processors;
a card signal control unit;
at least two card detection use units;
a memory for storing one or more processor-executable instructions;
wherein the one or more processors are configured to: the above described interoperability method is performed.
In the embodiment of the invention, different types of card detection using units are additionally arranged on the communication equipment, the card signals are detected and matched by the different types of card detection using units, and after the card signals are detected and matched, the card signals are fixed on the card detection using units capable of identifying the card signals through a CPU control card signal control unit; the SIM cards of different types can be used on the same card slot on one communication device, so that the use cost of a user when using the SIM cards of two different types can be reduced, the user can carry the SIM cards conveniently when going out, and the stable communication function is ensured; and the number of the card slots of the communication equipment is reduced, and the internal space of the communication equipment is further optimized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic flow chart of a method for inter-using different types of SIM cards based on the same card slot in an embodiment of the present invention;
fig. 2 is a schematic structural composition diagram of an interoperability system of different types of SIM cards based on the same card slot in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a communication terminal according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
Referring to fig. 1, fig. 1 is a schematic flowchart illustrating a method for inter-using different types of SIM cards based on the same card slot according to an embodiment of the present invention.
As shown in fig. 1, an interoperability method for different types of SIM cards based on the same card slot includes:
s11: the card slot reads a card signal of the inserted SIM card and sends the card signal to a card signal control unit;
in the specific implementation process of the invention, the card slot is provided with a detection program for detecting the insertion of the SIM card, when a user inserts the SIM card into the card slot, the card slot automatically detects the insertion of the SIM card, starts a program for reading a card signal of the SIM card, reads a card signal of the corresponding SIM card through the program card slot for reading the card signal of the SIM card, and sends the card signal to the card signal control unit through the connected connecting circuit.
The SIM cards comprise a Beidou communication SIM card and a 4G mobile communication SIM card; the SIM card for 4G mobile communication comprises SIM cards of a GSM network, a W-CDMA network and a TD-SCDMA network.
The card signal control unit is composed of a bridge switch and a switch control unit.
S12: the card signal control unit bridges the card signals to different types of card detection using units in sequence according to a controller instruction sent by a CPU;
in the specific implementation process of the invention, the different types of card detection and use units at least comprise: a first type card detection using unit and a second type card detection using unit; the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication.
The SIM card detection and use unit comprises an SIM card supporting Beidou communication and a SIM card supporting 4G mobile communication.
Specifically, after the card signal control unit receives the card signal, the CPU starts to send a control instruction to the card signal control unit, where the control instruction controls a switch control unit in the card signal control unit, so that the switch control unit controls the bridge switch to bridge the card signal to the different types of card detection using units in sequence according to the control instruction, that is, the switch control unit starts to the nth type of card detection using unit from the first type of card detection using unit in sequence.
S13: the different-type card detection using unit detects whether the card signal is an identifiable card signal;
in the specific implementation process of the present invention, the different-type card detecting and using unit detects whether the card signal is an identifiable card signal, and if the card signal is an identifiable signal, sends an identification success signal to the CPU, including: the first type card detection using unit detects whether the card signal is an identifiable card signal after acquiring the bridged card signal; if yes, sending an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controls the card signal control unit to switch the card signal to a second type card detection using unit; until the Nth type card detection using unit successfully identifies the card signal, or the card detection using units of different types cannot identify the card signal.
Further, the controlling the card signal control unit to bridge the card signal switching to the second type card detection using unit includes: the CPU sends a switching bridging instruction for switching and bridging the card signal to a second type card detection using unit to the card signal control unit by changing an IO control logic; and the card signal control unit responds to the switching bridging instruction and switches and bridges the card signal to the second type card detection using unit.
Specifically, the method comprises the steps of firstly, starting from a first type card detection using unit, detecting a card signal, judging whether the card signal is an identifiable card signal, and if so, sending an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controlling the card signal control unit to switch the card signal to a second type card detection using unit, wherein the control card signal control unit is realized by the CPU through changing an IO control logic; the second type card detection using unit continuously detects whether the card signal is an identifiable card signal, and if so, sends an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, controlling the card signal control unit to switch the card signal to a third type card detection using unit by the CPU; up to the nth type card detection use unit.
S14: if the card signal is an identifiable card signal, sending an identification success signal to the CPU;
in the specific implementation process of the invention, the recognition success signal is sent to the CPU until the Nth type card detection using unit detects that the card signal is a recognizable card signal.
S15: after receiving the identification success signal, the CPU sends a fixed control logic instruction to the card signal control unit;
in the specific implementation process of the invention, after the CPU receives the identification success signal, namely the card signal can be identified and used by the type card detection using unit, the CPU sends a corresponding fixed control logic instruction to the card signal control unit by changing the IO control logic.
S16: and the card signal control unit responds to the fixed control logic instruction and fixedly bridges the card signal on a card detection using unit capable of identifying the card signal.
In the specific implementation process of the invention, after the card signal control unit receives the fixed control logic instruction, the card signal control unit responds to the fixed control logic instruction, and the card signal control unit fixes the card signal on the type detection use unit.
S17: and if the different types of card detection use units cannot identify the card signals, the SIM card inserted into the card slot is fed back to the user as an invalid card or an unplugged SIM card.
In the specific implementation process of the invention, when the card signal cannot be identified after the card signal control unit bridges the card signal to all the different types of card detection and use units in sequence through the bridge switch, the CPU generates corresponding information to feed back to the user, such as: the SIM card inserted into the card slot is an invalid card, or the SIM card is not inserted into the card slot.
In the embodiment of the invention, different types of card detection using units are additionally arranged on the communication equipment, the card signals are detected and matched by the different types of card detection using units, and after the card signals are detected and matched, the card signals are fixed on the card detection using units capable of identifying the card signals through a CPU control card signal control unit; the SIM cards of different types can be used on the same card slot on one communication device, so that the use cost of a user when using the SIM cards of two different types can be reduced, the user can carry the SIM cards conveniently when going out, and the stable communication function is ensured; and the number of the card slots of the communication equipment is reduced, and the internal space of the communication equipment is further optimized.
Examples
Referring to fig. 2, fig. 2 is a schematic structural component diagram of an interoperability system for different types of SIM cards based on the same card slot in an embodiment of the present invention.
As shown in fig. 2, an interoperability system for different types of SIM cards based on the same card slot, the interoperability system comprising:
card slot unit 11: the SIM card reader is used for reading a card signal of an inserted SIM card and sending the card signal to a card signal control unit;
in the specific implementation process of the invention, the card slot is provided with a detection program for detecting the insertion of the SIM card, when a user inserts the SIM card into the card slot, the card slot automatically detects the insertion of the SIM card, starts a program for reading a card signal of the SIM card, reads a card signal of the corresponding SIM card through the program card slot for reading the card signal of the SIM card, and sends the card signal to the card signal control unit through the connected connecting circuit.
The SIM cards comprise a Beidou communication SIM card and a 4G mobile communication SIM card; the SIM card for 4G mobile communication comprises SIM cards of a GSM network, a W-CDMA network and a TD-SCDMA network.
The card signal control unit is composed of a bridge switch and a switch control unit.
The card signal control unit 12: the system comprises a CPU, a card signal detection and utilization unit, a controller and a card signal acquisition and utilization unit, wherein the controller is used for sending a controller instruction to bridge the card signal to different types of card detection and utilization units in sequence according to the controller instruction sent by the CPU; responding to the fixed control logic instruction, fixedly bridging the card signal on a card detection using unit capable of identifying the card signal;
in the specific implementation process of the invention, the different types of card detection and use units at least comprise: a first type card detection using unit and a second type card detection using unit; the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication.
The SIM card detection and use unit comprises an SIM card supporting Beidou communication and a SIM card supporting 4G mobile communication.
Specifically, after the card signal control unit receives the card signal, the CPU starts to send a control instruction to the card signal control unit, where the control instruction controls a switch control unit in the card signal control unit, so that the switch control unit controls the bridge switch to bridge the card signal to the different types of card detection using units in sequence according to the control instruction, that is, the switch control unit starts to the nth type of card detection using unit from the first type of card detection using unit in sequence.
In the specific implementation process of the invention, after the card signal control unit receives the fixed control logic instruction, the card signal control unit responds to the fixed control logic instruction, and the card signal control unit fixes the card signal on the type detection use unit.
Different types of card detection use unit 13: the CPU is used for detecting whether the card signal is an identifiable card signal or not, and if the card signal is the identifiable card signal, sending an identification success signal to the CPU;
in the specific implementation process of the present invention, the different-type card detecting and using unit detects whether the card signal is an identifiable card signal, and if the card signal is an identifiable signal, sends an identification success signal to the CPU, including: the first type card detection using unit detects whether the card signal is an identifiable card signal after acquiring the bridged card signal; if yes, sending an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controls the card signal control unit to switch the card signal to a second type card detection using unit; until the Nth type card detection using unit successfully identifies the card signal, or the card detection using units of different types cannot identify the card signal.
Further, the controlling the card signal control unit to bridge the card signal switching to the second type card detection using unit includes: the CPU sends a switching bridging instruction for switching and bridging the card signal to a second type card detection using unit to the card signal control unit by changing an IO control logic; and the card signal control unit responds to the switching bridging instruction and switches and bridges the card signal to the second type card detection using unit.
Specifically, the method comprises the steps of firstly, starting from a first type card detection using unit, detecting a card signal, judging whether the card signal is an identifiable card signal, and if so, sending an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controlling the card signal control unit to switch the card signal to a second type card detection using unit, wherein the control card signal control unit is realized by the CPU through changing an IO control logic; the second type card detection using unit continuously detects whether the card signal is an identifiable card signal, and if so, sends an identification success signal to the CPU; if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, controlling the card signal control unit to switch the card signal to a third type card detection using unit by the CPU; up to the nth type card detection use unit.
In the specific implementation process of the invention, the recognition success signal is sent to the CPU until the Nth type card detection using unit detects that the card signal is a recognizable card signal.
The CPU 14: the card signal control unit is used for sending a fixed control logic instruction to the card signal control unit after receiving the identification success signal; and if the different types of card detection use units cannot identify the card signals, the SIM card inserted into the card slot is fed back to the user as an invalid card or an unplugged SIM card.
In the specific implementation process of the invention, after the CPU receives the identification success signal, namely the card signal can be identified and used by the type card detection using unit, the CPU sends a corresponding fixed control logic instruction to the card signal control unit by changing the IO control logic.
In the specific implementation process of the invention, when the card signal cannot be identified after the card signal control unit bridges the card signal to all the different types of card detection and use units in sequence through the bridge switch, the CPU generates corresponding information to feed back to the user, such as: the SIM card inserted into the card slot is an invalid card, or the SIM card is not inserted into the card slot.
In the embodiment of the invention, different types of card detection using units are additionally arranged on the communication equipment, the card signals are detected and matched by the different types of card detection using units, and after the card signals are detected and matched, the card signals are fixed on the card detection using units capable of identifying the card signals through a CPU control card signal control unit; the SIM cards of different types can be used on the same card slot on one communication device, so that the use cost of a user when using the SIM cards of two different types can be reduced, the user can carry the SIM cards conveniently when going out, and the stable communication function is ensured; and the number of the card slots of the communication equipment is reduced, and the internal space of the communication equipment is further optimized.
Examples
Referring to fig. 3, fig. 3 is a schematic structural composition diagram of a communication terminal according to an embodiment of the present invention.
As shown in fig. 3, a communication terminal includes:
at least one card slot 31;
one or more processors 33;
a card signal control unit 32;
at least two card detection use units 35;
a memory 34 for storing one or more processor-executable instructions;
wherein the one or more processors 33 are configured to: the interoperability method described in the above embodiments is performed.
The communication terminal shown in the embodiment of the present invention may be an internet of things communication terminal, a mobile phone communication terminal, and other communication terminals capable of inserting an SIM card, and the communication terminal includes a card slot 31, a processor 33, a card signal control unit 32, at least two card detection using units 35, a memory 34, and other devices. Those skilled in the art will appreciate that the communication terminal structure shown in fig. 3 does not constitute a limitation of all devices and may include more or less components than those shown, or some of the components may be combined.
It should be understood that, although the steps in the flowcharts of the figures are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and may be performed in other orders unless explicitly stated herein. Moreover, at least a portion of the steps in the flow chart of the figure may include multiple sub-steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, which are not necessarily performed in sequence, but may be performed alternately or alternately with other steps or at least a portion of the sub-steps or stages of other steps.
In the embodiment of the invention, different types of card detection using units are additionally arranged on the communication equipment, the card signals are detected and matched by the different types of card detection using units, and after the card signals are detected and matched, the card signals are fixed on the card detection using units capable of identifying the card signals through a CPU control card signal control unit; the SIM cards of different types can be used on the same card slot on one communication device, so that the use cost of a user when using the SIM cards of two different types can be reduced, the user can carry the SIM cards conveniently when going out, and the stable communication function is ensured; and the number of the card slots of the communication equipment is reduced, and the internal space of the communication equipment is further optimized.
Those skilled in the art will appreciate that all or part of the steps in the methods of the above embodiments may be implemented by associated hardware instructed by a program, which may be stored in a computer-readable storage medium, and the storage medium may include: read Only Memory (ROM), Random Access Memory (RAM), magnetic or optical disks, and the like.
In addition, the above method, system and communication terminal for the interoperability of different types of SIM cards provided in the embodiments of the present invention are described in detail, and a specific example should be used herein to explain the principle and implementation manner of the present invention, and the description of the above embodiment is only used to help understanding the method and core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.
Claims (6)
1. An interoperability method for different types of SIM cards based on the same card slot, the interoperability method comprising:
the card slot reads a card signal of the inserted SIM card and sends the card signal to a card signal control unit;
the card signal control unit bridges the card signals to different types of card detection using units in sequence according to a controller instruction sent by a CPU;
the different-type card detection using unit detects whether the card signal is an identifiable card signal, and if the card signal is the identifiable card signal, the different-type card detection using unit sends an identification success signal to the CPU;
after receiving the identification success signal, the CPU sends a fixed control logic instruction to the card signal control unit;
the card signal control unit responds to the fixed control logic instruction and fixedly bridges the card signal on a card detection using unit capable of identifying the card signal;
the card slot reads the card signal of the inserted SIM card, and sends the card signal to the card signal control unit, including:
the card slot is provided with a detection program for detecting the insertion of the SIM card, when a user inserts the SIM card into the card slot, the card slot automatically detects the insertion of the SIM card, starts a program for reading a card signal of the SIM card, reads the card signal of the corresponding SIM card through the program card slot for reading the card signal of the SIM card, and sends the card signal to the card signal control unit through the connected connecting circuit;
the card signal control unit consists of a bridge switch and a switch control unit;
the SIM card comprises a Beidou communication SIM card and a 4G mobile communication SIM card; the SIM card of the 4G mobile communication comprises SIM cards of a GSM network, a W-CDMA network and a TD-SCDMA network;
the different type card detection using unit at least comprises: a first type card detection using unit and a second type card detection using unit; the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication;
the device also comprises an N-type card detection using unit, wherein the N-type card detection using unit is an SIM card except for an SIM card supporting Beidou communication and a 4G mobile communication SIM card;
after the card signal control unit receives the card signal, the CPU starts to send a control instruction to the card signal control unit, and the control instruction controls a switch control unit in the card signal control unit, so that the switch control unit controls a bridge switch to bridge the card signal to different types of card detection using units in sequence according to the control instruction, namely, the switch control unit starts to an Nth type card detection using unit from a first type card detection using unit in sequence.
2. The interoperability method according to claim 1, wherein the different type card detection using unit detects whether the card signal is an identifiable card signal, and if the card signal is an identifiable card signal, transmits an identification success signal to the CPU, including:
the first type card detection using unit detects whether the card signal is an identifiable card signal after acquiring the bridged card signal; if yes, sending an identification success signal to the CPU;
if not, sending an identification failure signal to the CPU, and after receiving the identification failure signal, the CPU controls the card signal control unit to switch the card signal to a second type card detection using unit;
until the Nth type card detection using unit successfully identifies the card signal, or the card detection using units of different types cannot identify the card signal.
3. The interoperability method according to claim 2, wherein said controlling said card signal control unit to bridge said card signal switching to a second type card detection use unit comprises:
the CPU sends a switching bridging instruction for switching and bridging the card signal to a second type card detection using unit to the card signal control unit by changing an IO control logic;
and the card signal control unit responds to the switching bridging instruction and switches and bridges the card signal to the second type card detection using unit.
4. The interoperability method according to claim 1, further comprising:
and if the different types of card detection use units cannot identify the card signals, the SIM card inserted into the card slot is fed back to the user as an invalid card or an unplugged SIM card.
5. An interoperability system for different types of SIM cards based on a same card slot, said interoperability system comprising:
a card slot unit: the SIM card reader is used for reading a card signal of an inserted SIM card and sending the card signal to a card signal control unit;
different types of card detection use units: the card signal detection module is used for detecting whether the card signal is an identifiable card signal or not, and if the card signal is the identifiable card signal, sending an identification success signal to the CPU;
a CPU: the card signal control unit is used for sending a fixed control logic instruction to the card signal control unit after receiving the identification success signal;
a card signal control unit: the system comprises a CPU, a card signal detection and utilization unit, a controller and a card signal acquisition and utilization unit, wherein the controller is used for sending a controller instruction to bridge the card signal to different types of card detection and utilization units in sequence according to the controller instruction sent by the CPU; responding to the fixed control logic instruction, fixedly bridging the card signal on a card detection using unit capable of identifying the card signal;
a card slot unit: the card slot is also used for being provided with a detection program for detecting the insertion of the SIM card, when a user inserts the SIM card into the card slot, the card slot automatically detects the insertion of the SIM card, starts a program for reading a card signal of the SIM card, reads a corresponding card signal of the SIM card through the program card slot for reading the card signal of the SIM card, and sends the card signal to the card signal control unit through the connected connecting circuit;
the card signal control unit consists of a bridge switch and a switch control unit;
the SIM card comprises a Beidou communication SIM card and a 4G mobile communication SIM card; the SIM card of the 4G mobile communication comprises SIM cards of a GSM network, a W-CDMA network and a TD-SCDMA network;
the different type card detection using unit at least comprises: a first type card detection using unit and a second type card detection using unit; the first type card detection using unit is an SIM card supporting Beidou communication, and the second type card detection using unit is an SIM card supporting 4G mobile communication; or the first type card detection using unit is an SIM card supporting 4G mobile communication, and the second type card detection using unit is an SIM card supporting Beidou communication;
the device also comprises an N-type card detection using unit, wherein the N-type card detection using unit is an SIM card except for an SIM card supporting Beidou communication and a 4G mobile communication SIM card;
after the card signal control unit receives the card signal, the CPU starts to send a control instruction to the card signal control unit, and the control instruction controls a switch control unit in the card signal control unit, so that the switch control unit controls a bridge switch to bridge the card signal to different types of card detection using units in sequence according to the control instruction, namely, the switch control unit starts to an Nth type card detection using unit from a first type card detection using unit in sequence.
6. A communication terminal, characterized in that the communication terminal comprises:
at least one card slot;
one or more processors;
a card signal control unit;
at least two card detection use units;
a memory for storing one or more processor-executable instructions;
wherein the one or more processors are configured to: performing the interoperability method according to claims 1-4.
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