Summary of the invention
The object of the present invention is to provide a kind of method and system of effective searching mobile phone.
The object of the present invention is achieved like this:
A kind of system of seeking mobile phone, it comprises and described mobile phone first equipment independently that described mobile phone comprises a NFC module of carrying out the NFC transfer of data with first equipment; Described first equipment is used for storaging identificating information; A described NFC module is used to read described identifying information and it is judged, if correct identifying information then starts the loudspeaker of mobile phone.
Preferably, described first equipment comprise the second memory module, second radio-frequency module that links to each other with described second memory module and the 2nd NFC antenna that links to each other with described second radio-frequency module.
A kind of system of seeking mobile phone, it comprises and described mobile phone second equipment independently that described mobile phone comprises a NFC module of carrying out the NFC transfer of data with second equipment; Described second equipment is used to send the identifying information corresponding with mobile phone to a NFC module; A described NFC module is used to receive the identifying information of described second equipment transmission and it is judged, if correct identifying information then starts the loudspeaker of mobile phone.
Preferably, described mobile phone is identical with the structure of second equipment, the described mobile phone and second equipment include a NFC module, a described NFC module comprises a CPU, first memory module, first power management module, first radio-frequency module and a NFC antenna, and described first memory module links to each other with a described CPU; Described first radio-frequency module also links to each other with a described CPU; Described first power management module links to each other with a described CPU on the one hand, links to each other with described first radio-frequency module with a described NFC antenna respectively on the other hand.
A kind of system of seeking mobile phone, it comprises and described mobile phone the 3rd equipment independently that described mobile phone comprises a NFC module of carrying out the NFC transfer of data with the 3rd equipment;
Described the 3rd equipment is used to send the identifying information corresponding with mobile phone to a NFC module;
A described NFC module is used to read the identifying information of described the 3rd equipment and it is judged, if correct identifying information then starts the loudspeaker of mobile phone.
Preferably, described identifying information is unique corresponding with described mobile phone.
Preferably, described mobile phone also comprises boot-strap circuit, described boot-strap circuit comprises on NMOS field effect transistor and the resistance and draws branch road, the grid of described NMOS field effect transistor links to each other with the output of a NFC module of mobile phone, the drain electrode of described NMOS field effect transistor is drawn branch road on the one hand with on the resistance, links to each other with the starting-up signal line of mobile phone on the other hand; The source electrode of described NMOS field effect transistor is connected to ground.
A kind of method of seeking mobile phone, described method comprises the steps:
Make first equipment near mobile phone, and make mobile phone pass through the NFC technology for detection to first equipment;
The one NFC module of mobile phone reads the identifying information of first equipment;
Analyze described identifying information and judge its correctness;
If correct identifying information, the loudspeaker of startup mobile phone.
The another kind of method of seeking mobile phone, described method comprises the steps:
Make second equipment near mobile phone, and make mobile phone pass through the NFC technology for detection to second equipment;
Second equipment sends identifying information by the NFC data transfer mode to described mobile phone;
Described mobile phone receives described identifying information;
Analyze described identifying information and judge its correctness;
If correct identifying information, the loudspeaker of startup mobile phone.
The third seeks the method for mobile phone, and described method comprises the steps:
Make the 3rd equipment near mobile phone, and make mobile phone pass through NFC technology for detection to the three equipment;
The 3rd equipment sends identifying information by the NFC data transfer mode to described mobile phone;
Described mobile phone reads described identifying information;
Analyze described identifying information and judge its correctness;
If correct identifying information, the loudspeaker of startup mobile phone.
Because the NFC technology still can communicate by the antenna coupling energy under the mobile phone shutdown state, be implemented under the low situation that can not start shooting that causes of mobile phone shutdown state even electric weight and search out mobile phone.Solve the limitation row of seeking mobile phone in the prior art, can effectively find mobile phone.
Embodiment
Below in conjunction with accompanying drawing system and the method thereof that the present invention seeks mobile phone described in detail.
Realization of the present invention is based on NFC (Near Field Communication, i.e. close range wireless communication) technology.NFC can make between the electronic equipment and to realize radio interconnectedly, and its principle is to carry out short-range information exchange by exchange electromagnetic wave signal between the electronic equipment.
The NFC technology is communicated by letter with untouchable because of its security feature, more and more is subjected to people's attention in recent years.As, existing mobile terminal device manufacturer successively is embedded in the NFC technology at portable terminal, promptly adds one the one NFC module on the pcb board of portable terminal.The one NFC module is provided with the NFC antenna, and this NFC antenna is used for electromagnetic signals, thereby carries out short-range information exchange by the exchange electromagnetic wave between the realization equipment.
As shown in Figure 1 to Figure 3, described mobile phone 1 comprises mobile phone main control chip 11, a NFC module 12, loudspeaker 13, boot-strap circuit 14 and starting-up signal line 15.
A described NFC module 12 comprises a CPU121, first memory module 122, first power management module 123, first radio-frequency module 123 and a NFC antenna 125.Wherein, a CPU121 links to each other with mobile phone main control chip 11; First memory module 122 links to each other with a described CPU121; First radio-frequency module 123 also links to each other with a described CPU121; First power management module 123 links to each other with a described CPU121 on the one hand, links to each other with first radio-frequency module 123 with a described NFC antenna 125 respectively on the other hand.
A described CPU121 is used for controlling the program of a NFC module 12 corresponding functions and operation the one NFC module 12, and it is provided with GPIO (General Purpose Input Output, general input and output) pin.
Described first memory module 122 is used to store the program code and the data of a NFC module 12, is included as to seek the certain content that mobile phone pre-deposits.
Described first power management module 123 is a NFC module 12 power supply, and can be under the mobile phone shutdown state to be used for a NFC module 12 from battery of mobile phone or a NFC antenna 125 coupling energies required.
The transmission that described first radio-frequency module 123 is used for the NFC signal receives.
A described NFC antenna 125 uses loop aerial to carry out the transmission of wireless data, and its tranmitting frequency is 13.56MHz.
Described boot-strap circuit 14 comprises and draws branch road A on switch and the resistance.Switch of the present invention is selected NMOS field effect transistor Q1, and in selectable execution mode, described switch can be npn triode or relay.
The grid G of described NMOS field effect transistor links to each other with the GPIO pin of a NFC module; The drain D of described NMOS field effect transistor draws branch road A to link to each other on the one hand with on the resistance, links to each other 15 with described starting-up signal line on the other hand; The source S of described NMOS field effect transistor is connected to ground.
Draw branch road A to comprise first resistance R 1 and reference voltage VDD on the described resistance.
Described loudspeaker 13 are used for the voice output of mobile phone.
First kind of execution mode of the present invention: first equipment 2 is the NFC label
As shown in Figure 1, a kind of system of seeking mobile phone, it comprise aforesaid mobile phone 1 and with described mobile phone first equipment 2 independently.The present invention's first equipment 2 is the NFC label.
The one NFC module 12 of described mobile phone is used to read described identifying information and it is judged, if correct identifying information then starts the loudspeaker of mobile phone.
Described first equipment 2 can carry out the NFC transfer of data with a NFC module of described mobile phone, is used for storaging identificating information.First equipment 2 described in the present embodiment comprises second memory module 21, second radio-frequency module 22 that links to each other with described second memory module 21 and the 2nd NFC antenna 23 that links to each other with described second radio-frequency module 22.
Described second radio-frequency module 22 is used for matching with mobile phone 1 and reads memory contents in the NFC label 12 by the 2nd NFC antenna 23 from NFC label 2.
Described the 2nd NFC antenna also uses loop aerial to carry out the transmission of wireless data.
Described second memory module 21 is used for storaging identificating information.
Please join shown in Figure 4ly, in the present embodiment, the method for seeking mobile phone comprises the steps:
A. make first equipment 2 near mobile phone 1, and make mobile phone 1 pass through the NFC technology for detection to first equipment 2;
B. a NFC module 12 of mobile phone 1 reads the identifying information of first equipment 2;
C. analyze described identifying information and judge its correctness;
If D. correct identifying information, the loudspeaker 13 of startup mobile phone 1.
Second kind of execution mode of the present invention: second equipment is identical with the structure of mobile phone, and described second equipment and mobile phone utilize point-to-point communication pattern.
As described in Figure 2, a kind of system of seeking mobile phone, it comprise aforesaid mobile phone 1 and with described mobile phone second equipment 3 independently.Described second equipment 3 comprises the two NFC module 22 identical with mobile phone.
The 2nd NFC module 22 of described second equipment 3 can be carried out the NFC transfer of data with a NFC module 12 of described mobile phone 1, is used to send the NFC module 12 of the identifying information corresponding with mobile phone 1 to mobile phone 1.
The one NFC module 12 of described mobile phone 1 is used to receive identifying information that the NFC module 22 of described second equipment 3 sends and it is judged, if correct identifying information then starts the loudspeaker 13 of mobile phone 1.
The 2nd NFC module 32 of described second equipment 3 comprises the 2nd CPU321, second memory module 322, second source administration module 323, second radio-frequency module 324 and the 2nd NFC antenna 324, and described second memory module 322 links to each other with described the 2nd CPU321; Described second radio-frequency module 324 also links to each other with described the 2nd CPU321; Described second source administration module 323 links to each other with described the 2nd CPU321 on the one hand, links to each other with described second radio-frequency module 324 with described the 2nd NFC antenna 325 respectively on the other hand.
In second equipment 3 has entered the field region of mobile phone 1, will attempt to establish a communications link with it, after both sides shake hands success, second equipment 3 sends identifying information (being stored in the information in the mobile phone memory in advance) and gives mobile phone 1, after mobile phone 1 receives identifying information, analyzes described identifying information and judges its correctness, if be correct identifying information, the loudspeaker 13 of 12 startup mobile phones 1 of the one NFC module of mobile phone 1, and the volume accent is big, sound.
Please join shown in Figure 5ly, the method that second kind of execution mode of the present invention sought mobile phone comprises the steps:
A1. make second equipment near mobile phone, and make mobile phone pass through the NFC technology for detection to second equipment;
B1. second equipment sends identifying information by the NFC data transfer mode to described mobile phone;
C1. described mobile phone receives described identifying information;
D1. analyze described identifying information and judge its correctness;
If E1. correct identifying information, the loudspeaker of startup mobile phone.
The third execution mode of the present invention:
The system construction drawing of the third execution mode is identical with second kind of execution mode, and the 3rd equipment 4 is identical with the structure of a NFC module 12 of mobile phone.
Described the 3rd equipment 4 and mobile phone utilize the communication pattern of card reader and analog card.Mobile phone is configured to the card reader pattern, the 3rd equipment disposition is the analog card pattern, if the 3rd equipment has entered in the field region of mobile phone, mobile phone will read the identifying information of the 3rd equipment, analyze described identifying information and judge its correctness, if be correct identifying information, a NFC module of mobile phone then starts the loudspeaker of mobile phone, and the volume accent is big, sound.In the present embodiment, described identifying information is ID number of the 3rd equipment.
Described the 3rd equipment 4 is used to send the identifying information corresponding with mobile phone 1 to a NFC module 12, it comprises the 3rd CPU421, the 3rd memory module 422, the 3rd power management module 423, the 3rd radio-frequency module 424 and the 3rd NFC antenna 424, and described the 3rd memory module 422 links to each other with described the 3rd CPU421; Described the 3rd radio-frequency module 424 also links to each other with described the 3rd CPU421; Described the 3rd power management module 423 links to each other with described the 3rd CPU421 on the one hand, links to each other with described second radio-frequency module 424 with described the 3rd NFC antenna 425 respectively on the other hand.
A described NFC module 12 is used to read the identifying information of described the 3rd equipment 4 and it is judged, if correct identifying information then starts the loudspeaker of mobile phone
Please join shown in Figure 6ly, the method that the third execution mode of the present invention is sought mobile phone comprises the steps:
A2. make the 3rd equipment near mobile phone, and make mobile phone pass through NFC technology for detection to the three equipment;
B2. the 3rd equipment sends identifying information by the NFC data transfer mode to described mobile phone;
C2. described mobile phone reads described identifying information;
D2. analyze described identifying information and judge its correctness;
If E2. correct identifying information, the loudspeaker of startup mobile phone.
If mobile phone 1 is in off-mode, then start boot-strap circuit 14.Be specially: a CPU121 of a NFC module 12 of described mobile phone 1 can export (N channel field-effect pipe) the Q1 conducting of high level control NMOS pipe by GPIO, long low level when making starting-up signal line 15 (Powerkey) for certain start makes mobile phone enter open state.After finishing start, make the GPIO output low level close NMOS pipe Q1 again.
Because the NFC technology still can communicate by the antenna coupling energy under the mobile phone shutdown state, be implemented under the low situation that can not start shooting that causes of mobile phone shutdown state even electric weight and search out mobile phone.Solve the limitation row of seeking mobile phone in the prior art, can effectively find mobile phone.Along with the maturation of NFC technology, the NFC technology becomes the standard configuration of mobile phone in addition, so the present invention is effective in actual applications.
Though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention,, all still belong in the scope of technical solution of the present invention any simple modification, equivalent variations and modification that above embodiment did according to technical spirit of the present invention.