CN201332425Y - Device for automatically making backup of phone book in cell phone - Google Patents
Device for automatically making backup of phone book in cell phone Download PDFInfo
- Publication number
- CN201332425Y CN201332425Y CNU2008201366886U CN200820136688U CN201332425Y CN 201332425 Y CN201332425 Y CN 201332425Y CN U2008201366886 U CNU2008201366886 U CN U2008201366886U CN 200820136688 U CN200820136688 U CN 200820136688U CN 201332425 Y CN201332425 Y CN 201332425Y
- Authority
- CN
- China
- Prior art keywords
- circuit
- usb
- phone
- power supply
- radio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Abstract
The utility model discloses a device for automatically making a backup of a phone book in a cell phone. The device comprises a first USB port circuit, a second USB port circuit, a power supply voltage stabilizing circuit, a radio-frequency transceiving and MCU control circuit, an antenna and a memory circuit, wherein, a standard USB plug which can be connected with a USB slot on a charger seat is arranged at one end of the device, and a standard USB slot which can be connected with a USB plug of a cell phone charging cable is formed at the other end of the device. During the charging process, with both the phone book backup device and an RF-SIM card of the cell phone set in a radio frequency transceiving state, the memory of the phone book backup device can make a backup of the phone book in the cell phone, so that people can use the memory of the phone book backup device to automatically make a backup of the phone book in cell phones rather than bother to make a backup of the phone book personally; and the device allows for timely updates lest the phone book disappears together with the cell phone. The phone book backup device has the characteristics of simple structure, good benefit realization, and low cost.
Description
Technical field
The utility model relates to communication technique field, particularly relates to a kind of device that is used for the automatically backup of mobile telephone book.
Background technology
Fast development along with Chinese national economy, the significantly raising of living standards of the people, the particularly fast development of mobile communication technology and be accompanied by the development of market economy needs, the application of mobile phone has been quite universal, mobile phone has become the indispensable essential articles for use of institute in people's daily life in fact, and is the necessity of carrying.
The Core Feature of mobile phone is to make a phone call and receive and dispatch short message, support this different function, most importantly the information record of cell-phone telephone book, the telephone directory of existing mobile phone mainly is kept at two places, and one is to be stored in the memory of mobile phone itself, and another is to be stored in the SIM cards of mobile phones, the benefit that is stored in SIM cards of mobile phones is when changing mobile phone, because the phone book information in the SIM card is not with card not at random, therefore, needn't duplicate electricity book alive again.Along with the fast development of the communication technology, no matter be the SIM cards of mobile phones or the memory of mobile phone itself, the capacity of its storing call book all obtains increasing greatly.Be because the memory capacity of cell-phone telephone book obtains increasing greatly on the one hand, be convenience and the certainty that mobile phone carries on the other hand, therefore, people are kept at various contact methods in the cell-phone telephone book usually, this just makes the importance of cell-phone telephone book increase day by day, yet, no matter be that telephone directory is stored in the SIM cards of mobile phones, still be stored in the memory of mobile phone itself, in case people's lost mobile phone, telephone directory in its mobile phone is also together lost, unless mobile phone can find, otherwise telephone directory also can't be given for change, this will give some colony such as the sales force brings irreparable damage, for high-end personage, obviously, the value of its cell-phone telephone book is much larger than mobile phone itself especially.
Therefore, the cellie is that necessary telephone directory to mobile phone backs up, present backup mode mainly contains following two kinds: a kind of is network trustship backup mode, because the insecurity of network and need charge, for reasons such as secret protection and service charges, cause most people to be reluctant to use; Another kind is the pc connection backup mode, promptly backups on the PC by cellular phone data line, bluetooth or means such as infrared, and is too complicated but this mode is operated.No matter be network trustship backup, or the pc connection backup, all there is a common drawback: be exactly the operation of these backups, all must initiatively do specially; Because cell-phone telephone book is often to change, the cellie is difficult to guarantee that the telephone directory to backup upgrades timely, and like this, the phenomenon that still can cause phone book information to lose takes place.
The utility model content
The purpose of this utility model is to overcome the deficiency of prior art, a kind of device that is used for the automatically backup of mobile telephone book is provided, by this device, people needn't painstakingly carry out the backup operation of cell-phone telephone book, just can be in the memory of this device with the phone book information automated back-up in the mobile phone, and can carry out in good time renewal, avoided mobile phone to lose the drawback appearance that the back telephone directory is difficult to find, characteristics simple in structure, that realization is effective, cost is low that this device has.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of device that is used for the automatically backup of mobile telephone book comprises a housing; One end of housing is provided with the USB plug of standard, and the other end of housing is provided with the USB slot of standard; Being provided with circuit in the housing constitutes; This circuit formation comprises:
One is located at first usb circuit of USB plug one end, and it is used for realizing and being electrically connected of charger seat USB slot or computer USB slot;
One is located at second usb circuit of the USB plug other end, and it is used for realizing and being electrically connected of the USB plug of cell-phone charging cable;
One power supply stabilization circuit, its power source conversion that is used for inserting becomes the required power supply signal of each circuit;
One radio-frequency receiving-transmitting and MCU control circuit, it is used for controlling radio-frequency receiving-transmitting and controls other circuit workings;
One antenna, it is used for emitting radio frequency signal;
One memory circuitry, it is used for storing call book data;
The power supply output of first usb circuit is connected to the power supply input of second usb circuit, the former in the future the charge power supply signal of self-charging device seat USB slot or computer USB slot be transferred to the latter, transfer to the USB plug of cell-phone charging cable with to cell-phone charging by the latter; The input of power supply stabilization circuit is connected to the power supply output of first usb circuit, and the former obtains the power supply signal that the latter is defeated by; The output of power supply stabilization circuit is connected to radio-frequency receiving-transmitting and MCU control circuit and memory circuitry respectively, and the former provides operating voltage to the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected by data wire with memory circuitry, and the former realizes data access by the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected with antenna, and the former realizes the transmitting-receiving of radio-frequency information by the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected by data wire with first usb circuit, and the former realizes transfer of data between this device and the computer by the latter.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model, the one end is provided with the USB plug of standard, the other end is provided with the USB slot of standard, USB plug one end can be used to peg graft charger seat USB slot or computer USB slot, USB slot one end then be used for the pegging graft USB plug of cell-phone charging cable, directly couple together between USB slot and the USB plug with power line, like this, charge power supply signal from charger seat USB slot or computer USB slot just can pass through USB plug, after the switching of USB slot again by the USB plug of cell-phone charging cable to cell-phone charging, from the charging angle, this phone book backup device only plays the switching effect; Owing to also have power supply stabilization circuit in this phone book backup device, charge power supply changed into the required voltage signal of circuit and export to the circuit use by power supply stabilization circuit; This phone book backup device has radio-frequency receiving-transmitting and MCU control circuit and antenna, so just can be so that this phone book backup device possesses the function that receiving and transmitting signal is arranged, on mobile phone, then to use SIM card with radio-frequency enabled, be called the RF-SIM card, in the RF-SIM card, not only include the telephone directory with common SIM card identical function, have also that telephone directory upgrades automatically and the program of backup functionality; The RF-SIM card can pass through built-in radio-frequency receiving-transmitting communication function, and phone book records is sent in the outside back-up device; This phone book backup device also has memory circuitry, can be used to storing call book information.
In use, be that the USB plug of this phone book backup device is inserted in the charger seat USB slot, this phone book backup device is connected on the charger, when needs charge to mobile phone, only need the USB plug of cell-phone charging cable is inserted in the USB slot of this phone book backup device, attaching plug with charger inserts in the supply socket then, then electric main just by charger and through the switching of this phone book backup device to cell-phone charging, in charging process, the charge power supply signal changes into the adaptive voltage of circuit and uses to offer circuit after power supply stabilization circuit is handled, radio-frequency receiving-transmitting that circuit constitutes and MCU control circuit get electric after, the software that sets in advance of operation is to realize and the communicating by letter of mobile phone RF-SIM card; The telephone directory hypervisor and the program in the phone book backup device that are inserted with the RF-SIM card will verify automatically whether telephone directory upgrades, if the telephone directory in the phone book backup device does not upgrade, telephone directory in the mobile phone RF-SIM card will send out by radio-frequency antenna automatically, after receiving, the antenna of phone book backup device is transferred to radio-frequency receiving-transmitting and MCU control circuit, receive and handle by radio-frequency receiving-transmitting and MCU control circuit, and be stored in the memory circuitry of phone book backup device.Everything process all without any need for artificial operation, all is to finish automatically, in case backup is finished, on the screen of mobile phone, the information of " phone book backup is finished " can occur.
Because battery of mobile phone needs often charging, such as charging in 3-5 days once, and in when charging, the phone book backup device and the mobile phone that are connected on the charger are to remain on certain distance and position, make that can set up the less radio-frequency data communication between mobile phone and the phone book backup device connects, so that the telephone directory in the RF-SIM card is sent in the phone book backup device, simultaneously, the phone book backup device is powered by charger, during charging, get the electric work of carrying out, when not charging, must not carry out work by electricity.The phone book backup device like this, just can guarantee that all the telephone directory to mobile phone carries out backup updating one time when each charging, because as long as charger inserts AC Power supply socket, will be started working automatically and be realized backup.Therefore, if in case mobile phone is lost, the RF-SIM card is also lost thereupon, and when making telephone directory on user's mobile phone lose, the client is as long as buy new mobile phone again, simultaneously, buy a new RF-SIM card, when adopting the phone book backup device to charge, the telephone directory hypervisor in the RF-SIM card and the program of phone book backup device can detect the data message that is kept at the phone book backup device automatically, and on mobile phone screen, point out user, the telephone book data that whether recovers to lose.The precious resources of telephone directory just is unlikely to losing and lost with mobile phone like this.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model is kept at the data in the phone book backup device, is to be stored in the IC storage chip, can forever preserve.First usb circuit of phone book backup device is connected with radio-frequency receiving-transmitting and MCU control circuit by data wire, when first usb circuit is connected with computer, can be in PC by PC software with the data conversion storage of phone book backup device storage, also can download to the address list among the PC in the phone book backup device, when cell-phone charging, can also finish automatically with the telephone directory of mobile phone and upload synchronously.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model, because phone book backup device and charger and mobile phone are irrelevant, so the mobile phone of any charger and model can adopt this phone book backup device backup telephone book data information.
The beneficial effects of the utility model are, owing to adopted first usb circuit, second usb circuit, power supply stabilization circuit, radio-frequency receiving-transmitting and MCU control circuit, antenna, memory circuitry constitutes the phone book backup device, and the USB plug that an end of this phone book backup device is provided with standard can be connected with charger seat USB slot or computer USB slot, the USB slot that the other end of this phone book backup device is provided with standard can be connected with the USB plug of cell-phone charging cable, in charging process, by the radio-frequency receiving-transmitting function of phone book backup device and the radio-frequency receiving-transmitting function of mobile phone RF-SIM card, realization backups to cell-phone telephone book in the memory of phone book backup device, make people needn't painstakingly carry out the backup operation of cell-phone telephone book, just can be in the memory of phone book backup device with the phone book information automated back-up in the mobile phone, and can carry out in good time renewal, avoided mobile phone to lose the drawback appearance that the back telephone directory is difficult to find, this phone book backup device has simple in structure, realize effective, the characteristics that cost is low.
Below in conjunction with drawings and Examples the utility model is described in further detail; But a kind of device that is used for the automatically backup of mobile telephone book of the present utility model is not limited to embodiment.
Description of drawings
Fig. 1 is an organigram of the present utility model;
Fig. 2 is a schematic block circuit diagram of the present utility model;
Fig. 3 is circuit theory diagrams of the present utility model.
Embodiment
Referring to Fig. 1, shown in Figure 2, a kind of device that is used for the automatically backup of mobile telephone book of the present utility model comprises a housing 10; One end of housing is provided with the USB plug 11 of standard, and the other end of housing is provided with the USB slot 12 of standard; Being provided with circuit in the housing constitutes; This circuit formation comprises:
One is located at first usb circuit 21 of USB plug one end, and it is used for realizing and being electrically connected of charger seat USB slot or computer USB slot;
One is located at second usb circuit 22 of the USB plug other end, and it is used for realizing and being electrically connected of the USB plug of cell-phone charging cable;
One power supply stabilization circuit 23, its power source conversion that is used for inserting becomes the required power supply signal of each circuit;
One radio-frequency receiving-transmitting and MCU control circuit 24, it is used for controlling radio-frequency receiving-transmitting and controls other circuit workings;
One antenna 25, it is used for emitting radio frequency signal;
One memory circuitry 26, it is used for storing call book data;
The power supply output of first usb circuit 21 is connected to the power supply input of second usb circuit 22, the former in the future the charge power supply signal of self-charging device seat USB slot or computer USB slot be transferred to the latter, transfer to the USB plug of cell-phone charging cable with to cell-phone charging by the latter; The input of power supply stabilization circuit 23 is connected to the power supply output of first usb circuit 21, and the former obtains the power supply signal that the latter is defeated by; The output of power supply stabilization circuit 23 is connected to radio-frequency receiving-transmitting and MCU control circuit 24 and memory circuitry 26 respectively, and the former provides operating voltage to the latter; Radio-frequency receiving-transmitting and MCU control circuit 24 and memory circuitry 26 are connected by data wire, and the former realizes data access by the latter; Radio-frequency receiving-transmitting and MCU control circuit 24 are connected with antenna 25, and the former realizes the transmitting-receiving of radio-frequency information by the latter; Radio-frequency receiving-transmitting and MCU control circuit 24 are connected by data wire with first usb circuit 21, and the former realizes transfer of data between this device and the computer by the latter.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model, the one end is provided with the USB plug 11 of standard, the other end is provided with the USB slot 12 of standard, USB plug 11 1 ends can be used to peg graft charger seat USB slot or computer USB slot, USB slot 12 1 ends then be used for the pegging graft USB plug of cell-phone charging cable, directly couple together between USB slot 12 and the USB plug 11 with power line, like this, charge power supply signal from charger seat USB slot or computer USB slot just can pass through USB plug 11, after the switching of USB slot 12 again by the USB plug of cell-phone charging cable to cell-phone charging, from the charging angle, this phone book backup device only plays the switching effect; Owing to also have power supply stabilization circuit 23 in this phone book backup device, charge power supply changed into the required voltage signal of circuit and export to the circuit use by power supply stabilization circuit 23; This phone book backup device has radio-frequency receiving-transmitting and MCU control circuit 24 and antenna 25, so just can be so that this phone book backup device possesses the function that receiving and transmitting signal is arranged, on mobile phone, then to use SIM card with radio-frequency enabled, be called the RF-SIM card, in the RF-SIM card, not only include the telephone directory with common SIM card identical function, have also that telephone directory upgrades automatically and the program of backup functionality; The RF-SIM card can pass through built-in radio-frequency receiving-transmitting communication function, and phone book records is sent in the outside back-up device; This phone book backup device also has memory circuitry, can be used to storing call book information.
In use, be that the USB plug 11 of this phone book backup device is inserted in the charger seat USB slot, this phone book backup device is connected on the charger, when needs charge to mobile phone, only need the USB plug of cell-phone charging cable is inserted in the USB slot 12 of this phone book backup device, attaching plug with charger inserts in the supply socket then, then electric main just by charger and through the switching of this phone book backup device to cell-phone charging, in charging process, the charge power supply signal changes into the adaptive voltage of circuit and uses to offer circuit after power supply stabilization circuit 23 is handled, radio-frequency receiving-transmitting that circuit constitutes and MCU control circuit 24 electric after, the software that sets in advance of operation is to realize and the communicating by letter of mobile phone RF-SIM card; The telephone directory hypervisor and the program in the phone book backup device that are inserted with the RF-SIM card will verify automatically whether telephone directory upgrades, if the telephone directory in the phone book backup device does not upgrade, telephone directory in the mobile phone RF-SIM card will send out by radio-frequency antenna automatically, after receiving, the antenna 25 of phone book backup device is transferred to radio-frequency receiving-transmitting and MCU control circuit 24, receive and handle by radio-frequency receiving-transmitting and MCU control circuit 24, and be stored in the memory circuitry 26 of phone book backup device.Everything process all without any need for artificial operation, all is to finish automatically, in case backup is finished, on the screen of mobile phone, the information of " phone book backup is finished " can occur.
Because battery of mobile phone needs often charging, such as charging in 3-5 days once, and in when charging, the phone book backup device and the mobile phone that are connected on the charger are to remain on certain distance and position, make that can set up the less radio-frequency data communication between mobile phone and the phone book backup device connects, so that the telephone directory in the RF-SIM card is sent in the phone book backup device, simultaneously, the phone book backup device is powered by charger, during charging, get the electric work of carrying out, when not charging, must not carry out work by electricity.The phone book backup device like this, just can guarantee that all the telephone directory to mobile phone carries out backup updating one time when each charging, because as long as charger inserts AC Power supply socket, will be started working automatically and be realized backup.Therefore, if in case mobile phone is lost, the RF-SIM card is also lost thereupon, and when making telephone directory on user's mobile phone lose, the client is as long as buy new mobile phone again, simultaneously, buy a new RF-SIM card, when adopting the phone book backup device to charge, the telephone directory hypervisor in the RF-SIM card and the program of phone book backup device can detect the data message that is kept at the phone book backup device automatically, and on mobile phone screen, point out user, the telephone book data that whether recovers to lose.The precious resources of telephone directory just is unlikely to losing and lost with mobile phone like this.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model is kept at the data in the phone book backup device, is to be stored in the IC storage chip, can forever preserve.First usb circuit 21 of phone book backup device is connected with radio-frequency receiving-transmitting and MCU control circuit 24 by data wire, when first usb circuit 21 is connected with computer, can be in PC by PC software with the data conversion storage of phone book backup device storage, also can download to the address list among the PC in the phone book backup device, when cell-phone charging, can also finish automatically with the telephone directory of mobile phone and upload synchronously.
A kind of device that is used for the automatically backup of mobile telephone book of the present utility model, because phone book backup device and charger and mobile phone are irrelevant, so the mobile phone of any charger and model can adopt this phone book backup device backup telephone book data information.
Referring to shown in Figure 3, a kind of device that is used for the automatically backup of mobile telephone book of the present utility model, radio-frequency receiving-transmitting and MCU control circuit 24 mainly are made of chip N1 and peripheral circuit, chip N1 is a radio-frequency receiving-transmitting controller that includes MCU, it has USB interface, can be connected by USB interface with PC, transmits data, rf frequency 2.4GHz, data transmit maximum bandwidth 2Mbps; Memory circuitry 26 mainly is made of chip N2 and peripheral circuit, and chip N2 is the ATC512 memory, and the 64Kbyte memory space is connected with chip N1 by the i2C bus; Power supply stabilization circuit 23 mainly is made of chip N3 and peripheral circuit, and chip N3 is that voltage is adjusted chip, takes from the power end of charger, after the voltage stabilizing, gives circuit supply; First usb circuit 21 is power supply inlet side female terminal X2, second usb circuit 22 goes out to hold female terminal X3 for power supply, power supply inlet side female terminal X2 connects charger one end, power line direct transformation by phone book backup device inside goes out to hold female terminal X3 to power supply, again by connecting the charging wire that power supply goes out to hold female terminal X3, give cell-phone charging, chip N3 is from the female terminal X2 power taking of power supply inlet side, so the phone book backup device can not have any impact to charging.
The foregoing description only is used for further specifying a kind of device that is used for the automatically backup of mobile telephone book of the present utility model; but the utility model is not limited to embodiment; every foundation technical spirit of the present utility model all falls into the protection range of technical solutions of the utility model to any simple modification, equivalent variations and modification that above embodiment did.
Claims (1)
1. a device that is used for the automatically backup of mobile telephone book is characterized in that: comprise a housing; One end of housing is provided with the USB plug of standard, and the other end of housing is provided with the USB slot of standard; Being provided with circuit in the housing constitutes; This circuit formation comprises:
One is located at first usb circuit of USB plug one end, and it is used for realizing and being electrically connected of charger seat USB slot or computer USB slot;
One is located at second usb circuit of the USB plug other end, and it is used for realizing and being electrically connected of the USB plug of cell-phone charging cable;
One power supply stabilization circuit, its power source conversion that is used for inserting becomes the required power supply signal of each circuit;
One radio-frequency receiving-transmitting and MCU control circuit, it is used for controlling radio-frequency receiving-transmitting and controls other circuit workings;
One antenna, it is used for emitting radio frequency signal;
One memory circuitry, it is used for storing call book data;
The power supply output of first usb circuit is connected to the power supply input of second usb circuit, the former in the future the charge power supply signal of self-charging device seat USB slot or computer USB slot be transferred to the latter, transfer to the USB plug of cell-phone charging cable with to cell-phone charging by the latter; The input of power supply stabilization circuit is connected to the power supply output of first usb circuit, and the former obtains the power supply signal that the latter is defeated by; The output of power supply stabilization circuit is connected to radio-frequency receiving-transmitting and MCU control circuit and memory circuitry respectively, and the former provides operating voltage to the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected by data wire with memory circuitry, and the former realizes data access by the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected with antenna, and the former realizes the transmitting-receiving of radio-frequency information by the latter; Radio-frequency receiving-transmitting and MCU control circuit are connected by data wire with first usb circuit, and the former realizes transfer of data between this device and the computer by the latter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201366886U CN201332425Y (en) | 2008-12-31 | 2008-12-31 | Device for automatically making backup of phone book in cell phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201366886U CN201332425Y (en) | 2008-12-31 | 2008-12-31 | Device for automatically making backup of phone book in cell phone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201332425Y true CN201332425Y (en) | 2009-10-21 |
Family
ID=41225810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201366886U Expired - Lifetime CN201332425Y (en) | 2008-12-31 | 2008-12-31 | Device for automatically making backup of phone book in cell phone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201332425Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567936B (en) * | 2009-01-21 | 2012-01-04 | 厦门盛华电子科技有限公司 | Method for automatically backing up mobile phone book based on radio frequency |
-
2008
- 2008-12-31 CN CNU2008201366886U patent/CN201332425Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101567936B (en) * | 2009-01-21 | 2012-01-04 | 厦门盛华电子科技有限公司 | Method for automatically backing up mobile phone book based on radio frequency |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102779283B (en) | A kind of device, system and method realizing SIM card read-write | |
| US20190052105A1 (en) | Method for automatically identifying apple and android devices | |
| CN102882077B (en) | A kind of method and smart jack of controlling consumer power switch | |
| CN102097848A (en) | Wireless charging method among mobile equipment, wireless charging mobile equipment and mobile equipment wireless charging system | |
| CN204031462U (en) | WIFI module and the Portable wireless router of Portable wireless router | |
| CN102314512A (en) | Synchronous storage system and method of data file based on Bluetooth technology | |
| CN101567936B (en) | Method for automatically backing up mobile phone book based on radio frequency | |
| CN201084137Y (en) | A personal communication terminal accessory with functions of data backup, recovery and charging | |
| CN2893948Y (en) | Cell phone charger with automatic storing data function | |
| CN204044810U (en) | USB device and work system | |
| CN201332425Y (en) | Device for automatically making backup of phone book in cell phone | |
| CN203482415U (en) | Wireless router for use between wide area network and local area network | |
| CN102868790A (en) | Integrated device and multi-card multi-standby mobile terminal | |
| CN2884752Y (en) | Cell phone fittings having functions of data backup, restoring and charing | |
| CN103902490A (en) | U disk, and work system, work mode converting method and data communication method of U disk | |
| CN206595529U (en) | Multifunctional concentrator | |
| CN202736082U (en) | Apparatus and system for realizing reading and writing of SIM card | |
| CN203445629U (en) | Multifunctional back clip system of intelligent mobile terminal | |
| CN104796179A (en) | Bluetooth mobile device | |
| CN203773953U (en) | System taking mobile phone as wireless storage | |
| CN204087794U (en) | A kind of wifi flash disk | |
| CN205302360U (en) | Bluetooth IC -card and use download system thereof | |
| CN207265701U (en) | Portable multi-function mobile charging device | |
| CN205003670U (en) | Universal serial bus (USB) equipment | |
| CN203968165U (en) | A kind of flash chamber of mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091021 |
|
| CX01 | Expiry of patent term |