CN101625668B - High-speed tax device and method for transmitting local side bonded data - Google Patents
High-speed tax device and method for transmitting local side bonded data Download PDFInfo
- Publication number
- CN101625668B CN101625668B CN2008101165307A CN200810116530A CN101625668B CN 101625668 B CN101625668 B CN 101625668B CN 2008101165307 A CN2008101165307 A CN 2008101165307A CN 200810116530 A CN200810116530 A CN 200810116530A CN 101625668 B CN101625668 B CN 101625668B
- Authority
- CN
- China
- Prior art keywords
- data
- dutiable goods
- tax
- usb
- interface
- 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.)
- Active
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention relates to a high-speed tax device and a method for transmitting local side bonded data. The high-speed tax device comprises the following parts: a USB interface, which is used for connecting with a computer USB communication interface of a tax bureau tax system so as to achieve data wired transmission, a non-contact data transmission interface which is used for connecting with a computer non-contact data transmission interface of the tax bureau tax system so as to achieve data wireless communication, a storing device which is used for storing tax data to be transmitted, and a processing unit which comprises a judgment subunit for determining whether the tax data is transmitted by adopting the non-contact data transmission interface or adopting the combination of the non-contact data transmission interface and the USB interface.
Description
Technical field
What the present invention relates to is a kind of high-speed tax device and tax data transmission method, particularly be a kind of high-speed tax device and method for transmitting local side bonded data that can improve the speed of declaring dutiable goods and efficient.
Background technology
Tax collection and administration field in China, enterprise need declare dutiable goods to the tax bureau on the date of regulation every month, handle the tax returns system that in the professional process of declaring dutiable goods a link to be arranged be the tax bureau and will from enterprise's high-speed tax device, read the data of declaring dutiable goods, because the service needed of declaring dutiable goods in every month is concentrated and is handled, though so be provided with a plurality of professional windows of declaring dutiable goods of handling in the hall of declaring dutiable goods of the tax bureau, but have the phenomenon that stands in a long queue.
Tax bureau's tax returns system is made up of computing machine and tax returns system software mounted thereto, the specialized hardware of declaring dutiable goods, tax returns system software provides the business function interface of declaring dutiable goods to use for the operator, and tax returns system provides communication interface to be used for reading the data of declaring dutiable goods from the high-speed tax device that the personnel of declaring dutiable goods of enterprise bring.
Present stage, widely used high-speed tax device was IC-card and USB flash disk, when reading IC-card and declaring dutiable goods data, IC-card is inserted the IC-card read write line of tax returns system, the corresponding operation of executive system software can be finished reading of the data of declaring dutiable goods, and IC-card does not need identifying, can promptly insert and promptly read, but IC-card finite capacity, communication speed is low, is generally tens K bps, and the few enterprise of data only is fit to declare dutiable goods.When reading USB flash disk and declaring dutiable goods data, it is as broad as long with the operation common U disk, because there is the process of identifying and sweep equipment in USB flash disk, so the additional operations time is arranged, but because the USB flash disk transmission speed is fast, selects this mode so the many enterprise of the data of declaring dutiable goods is general.
But enterprise declares dutiable goods to the tax bureau and uses IC-card and USB flash disk still to have following defective as high-speed tax device at present:
On the one hand, the IC-card capacity is little, does not satisfy the many enterprises of data that declare dutiable goods.
USB flash disk has solved capacity problem as high-speed tax device on the other hand, but find in actual use, the USB interface of tax returns system plugs USB flash disk incessantly in the business of declaring dutiable goods of every day, the identification of USB flash disk and delete procedure have taken many times, this time quilt useless effectively as the transmission of the data of declaring dutiable goods, does not play effect to the minimizing of queuing phenomena; More seriously because uninterrupted plug, the tax returns system USB interface of computer that has has burnt out, must not be forced to stop the business of this window the same day, change and continue again after computing machine installs tax returns system again, this maintenance work generally all needs 1-2 days, in the time period of declaring dutiable goods service set, such incident takes place the pressure that other tax returns system causes is well imagined; Though the phenomenon that also has is that computing machine USB mouth does not burn out, but USB flash disk inserts the back without any reaction, there is not identification equipment, insert also not all right repeatedly, only restarting computing machine just can work on, the computing machine of tax returns system is because be equipped with miscellaneous service software at present, restarting once probably needed more than 5 minutes, and under normal circumstances, the personnel that declare dutiable goods sometimes need to line up and just can handle more than 15 minutes, running into this situation additionally increased again more than 5 minutes, to declare dutiable goods professional normally handle to have caused have a strong impact on.
Analyze the reason of the problems referred to above, the designer of this programme finds, because existing, the use of USB interface connects, identification equipment, normal transmission, sweep equipment, disconnect, usb bus returns to normal, the operating system and this plurality of processes of software rejuvenation normality of declaring dutiable goods, so when using USB interface no matter be design of hardware and software or manipulate, all need to observe this order, if do not observe, USB interface will take place unusual even damage so, in the problem that in above-mentioned tax returns system, occurs, after USB device disconnects, also being in usb bus recovers, the stage of the operating system and the software rejuvenation of declaring dutiable goods, because can't judging and observe, this stages operating person whether finishes, inserted next USB flash disk this time, caused the sophisticated identification of system, need to consume more time or can't discern, the such operation of accumulative total causes system's USB interface unusual.
In the former process that addresses the above problem, technician who has and company have proposed common U disk is changed into the technical scheme of USB specialized equipment, but because also be to use the agreement of USB interface, the link of communication process indispensability does not change, and do not alleviate the burden of USB interface in the time period of the heavy traffic of declaring dutiable goods yet, so effect is undesirable, do not improve the problems referred to above.
In view of above-mentioned defective, creator of the present invention is through research and practice have obtained this creation finally for a long time.
Summary of the invention
The objective of the invention is to, a kind of high-speed tax device and method for transmitting local side bonded data are provided, in order to overcome above-mentioned defective.
For achieving the above object, the technical solution used in the present invention is, a kind of high-speed tax device at first is provided, and it comprises:
One USB interface in order to be connected with the computing machine usb communication interface of tax bureau's tax returns system, realizes data wire transmission;
One non-contact data transmission interface in order to be connected with the computing machine non-contact data transmission interface of described tax bureau tax returns system, is realized the data wireless transmission;
One storer, the data of desiring to transmit in order to storage of declaring dutiable goods;
One processing unit, it comprises: a judgment sub-unit, it is according to the data volume of declaring dutiable goods of storing in the described storer, calculating the data of all declaring dutiable goods uses wireless mode to read required time fully, when described required time greater than a very first time, adopt non-contact data transmission interface and described USB interface to carry out the parallel transmission data of declaring dutiable goods jointly, otherwise judge and adopt the non-contact data transmission interface to transmit the number of declaring dutiable goods separately.
Preferable, described non-contact data transmission interface comprises: antenna and driving circuit.
Preferable, also comprise: a power supply, it is a battery.
Preferable, also comprise: a shell, described antenna places described enclosure, and described shell is made of non-shielding material.
Next provides a kind of local side data transmission method of declaring dutiable goods, and it step that comprises is:
Step a: the computing machine of a tax returns system obtains the size of the data volume of declaring dutiable goods in the high-speed tax device by wireless mode;
Step b: calculate the data of all declaring dutiable goods and use wireless mode to read required time fully;
Step c: whether judge described required time greater than a very first time,, otherwise carry out following step e if then carry out following steps d;
Steps d: described high-speed tax device adopts the wired mode of USB interface and the non-contact data transmission interface wireless mode transmission data of declaring dutiable goods simultaneously, and real-time judge remaining data size is to reach a threshold data amount, carries out following step e when reaching;
Step e: described high-speed tax device adopts the non-contact data transmission interface wireless transmission data of declaring dutiable goods;
Step f: transmission course finishes.
Wherein, the described very first time for connect USB interface, identification USB device, deletion USB device, the summation of time that this 5 operations that disconnect that USB interface connects and usb bus returns to normal take.
Wherein, described threshold data amount is in one second time, by the declare dutiable goods amount of data of the independent wireless transmission of described non-contact data transmission interface.
Wherein, described second time returns to normal these 3 times that operation takies for deletion USB device, the connection of disconnection USB interface and usb bus.
Wherein, one of them is setting-up time rule of thumb at least the described very first time and second time.
Wherein, it is by fixed size memory allocated space that described data every the ticket in described high-speed tax device of declaring dutiable goods is declared dutiable goods according to number, each space is provided with an index, and described non-contact data transmission interface wireless transmission or USB interface wire transmission travel through output from the two ends of index.
Beneficial effect of the present invention compared with the prior art is, has improved the effective rate of utilization of transmission channel, and has solved frequent nothing response or the damage problem that causes that connect of USB interface.
Description of drawings
Fig. 1 is the functional block diagram of high-speed tax device preferred embodiment of the present invention;
Fig. 2 is the declare dutiable goods process flow diagram of data transmission method of local side of the present invention.
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
See also shown in Figure 1, it is for the functional block diagram of high-speed tax device preferred embodiment of the present invention, described high-speed tax device comprises: a housing, described enclosure interior is provided with circuit substrate, described circuit substrate is provided with a USB interface 2, it can realize data wire transmission in order to be connected with the computing machine usb communication interface of tax bureau's tax returns system when declaring dutiable goods; One non-contact data transmission interface 1, it can carry out wireless link in order to the computing machine non-contact data transmission interface with described tax bureau tax returns system, realizes the wireless transmission of data; One storer 4, it is the data storage core of high-speed tax device of the present invention, in order to store the data of transmitting in advance of declaring dutiable goods, it can be made of one or more storage chips, also can be made of one or more memory devices; Also comprise a processing unit 3, carry out control corresponding and scheduling in order to operations to high-speed tax device of the present invention, it is connected with described USB interface 2 and non-contact data transmission interface 1 respectively, described processing unit 3 comprises: a judgment sub-unit 31, in the process of declaring dutiable goods according to the data volume of declaring dutiable goods of storing in the high-speed tax device, select to adopt separately non-contact data transmission interface 1 to transmit the data of declaring dutiable goods, still adopt non-contact data transmission interface 1 to combine the data transmission of declaring dutiable goods jointly with described USB interface 2; Computing machine that can certainly be by tax bureau's tax returns system is after carrying out noncontact and link with described high-speed tax device, to the count off data volume of storing in the described high-speed tax device, analyze in conjunction with USB transmission speed and non-contact transmission speed, judge and adopt which kind of transmission mode to carry out data transmission, thereby inform the judgment sub-unit 31 in the described high-speed tax device processing unit, realize the coupling of both sides' transmission.Wherein, described non-contact data transmission interface 1 comprises: antenna and driving circuit (this is known for those of ordinary skills).Described processing unit 3 can comprise one or more processors and required peripheral components composition.For high-speed tax device, when described high-speed tax device did not use USB interface 2 communications, by carrying the rechargeable battery power supply, described non-contact data transmission interface 1 communicated; The principal feature of this class non-contact technology is a radio communication, and coverage is in 10cm, and the field that the interfacing equipment antenna produces can provide the power supply energy of format of field for being in noncontact equipment in the field; In use, described high-speed tax device is put into the read-write induction zone of tax returns system computing machine noncontact interface, the antenna loop resonance of the antenna loop of described high-speed tax device and tax returns system computing machine noncontact interface, produce the accumulation of electric energy on the charge pump circuit of high-speed tax device, the electric energy that provides when charge pump be enough to supply with described high-speed tax device normal start and during work high-speed tax device start, start if be not enough to, high-speed tax device is transferred the electric energy that use self rechargeable battery provides, described housing is provided with the noncontact induction region in described antenna corresponding position, and the material of its use is non-shielding material; Described non-contact technology uses the short distance wireless communication technology, for example NFC, MIFARE etc.
See also shown in Figure 2ly, it is the declare dutiable goods process flow diagram of data transmission method of local side of the present invention.It is that it step that comprises is by be connected with the computing machine of the described tax bureau tax returns system data transmission that realizes of above-mentioned high-speed tax device:
Step a: the computing machine of described tax returns system obtains the size of the data volume of declaring dutiable goods in the described high-speed tax device by wireless mode;
Step b: calculate the data of all declaring dutiable goods and use wireless mode to read required time fully;
Step c: whether judge described required time greater than a very first time,, otherwise carry out following step e if then carry out following steps d;
Steps d: described high-speed tax device adopts wired mode of USB interface and non-contact data transmission interface wireless mode to transmit the data of declaring dutiable goods simultaneously, and real-time judge remaining data size is to reach a threshold data amount, carry out following step e when reaching, otherwise execution in step d;
Step e: described high-speed tax device adopts the non-contact data transmission interface wireless transmission data of declaring dutiable goods;
Step f: transmission course finishes.
Wherein, the summation of the time that these 5 operations that the described very first time can be connection USB interface, identification USB device, deletion USB device, the disconnection USB interface connects and usb bus returns to normal take.
Wherein, described threshold data amount is in one second time, by the declare dutiable goods amount of data of described non-contact data transmission interface 1 independent wireless transmission.Described second time returns to normal these 3 times that operation takies for deletion USB device, the connection of disconnection USB interface and usb bus.
In use, described high-speed tax device is put into the read-write induction zone of tax returns system computing machine noncontact interface, high-speed tax device is given the equipment of itself identifying information computing machine of tax returns system by antenna transmission, set up radio communication according to device identifying information and high-speed tax device after the computing machine of tax returns system is received, passage begins the valid data transmission.The computing machine of tax returns system reads the size of the data of declaring dutiable goods in the high-speed tax device, with the byte number is unit representation, the COMPUTER CALCULATION of tax returns system is transmitted the data of declaring dutiable goods according to the speed of current wireless communication, read the needed time of the data of all declaring dutiable goods (above-mentioned steps b), compare with this time value and the pre-designed startup usb communication time threshold values of tax returns system, if smaller or equal to described threshold values, then the computing machine of tax returns system is not pointed out the connection USB interface, only use contactless communication to read the data of all declaring dutiable goods, here said startup usb communication time threshold values is provided with by the system manager as a systematic parameter, the source of the value of setting is according to two aspects, on the one hand be the time that the management process of usb communication consumes, existing tax returns system computing machine is when reading the USB flash disk type and declare dutiable goods data, and elapsed time is for connecting 2 seconds, identification USB flash disk 3 seconds, sweep equipment 2 seconds disconnects connection 2 seconds, operating system and software rejuvenation normality 2 seconds, usb bus returned to normal 2 seconds, approximately was 13 seconds; This time can be measured by system operation, and the system manager can determine a time threshold values from the angle of management according to the declare dutiable goods size of average magnitude of data of area under one's jurisdiction enterprise on the other hand, and this threshold value is an empirical value (above-mentioned steps c).
If calculated value is greater than starting the usb communication threshold values, then the tax returns system prompting operation person USB interface that connects current high-speed tax device begins to set up USB and connects, usb communication is normally set up the back tax returns system and is used the dual-channel mode transmission, and promptly USB interface 2 wired modes and non-contact data transmission interface 1 wireless mode transmit the data of declaring dutiable goods.The tax returns system computing machine is calculated the speed of current contactless communication and usb communication, the remaining needed time of the data of declaring dutiable goods has been read in calculating under dual-channel mode, calculate simultaneously one excess time a value and remaining data amount, reach described excess time value or the remaining data amount in, tax returns system stops usb communication, the deletion USB device, the detecting usb bus, operating system drives, alert disconnected the USB connection after the software corresponding module program of declaring dutiable goods entered stable state, this, value can be the deletion USB device excess time, disconnect USB interface connection and usb bus and return to normal these 3 times that operation takies, its time is admitted sample aforesaid foundation two aspects (above-mentioned steps d) really.
Meanwhile the remaining data amount is used contactless communication end of transmission (above-mentioned steps e) in the remaining time, and USB interface disconnection connection and contactless communication are finished transmission and finished simultaneously.
The tax returns system prompting data read of all declaring dutiable goods finishes, and high-speed tax device can be withdrawn from the noncontact induction zone of tax returns system, and the operator can proceed other business operation, so far finishes the declare dutiable goods transmission course of data of a local side.
Transmit for adopting wired mode of USB interface and non-contact data transmission interface wireless mode to transmit the data of declaring dutiable goods simultaneously, it transmits details, can following process realize:
Report and submit data with the invoice be unit in the tax device stored, the scale of every invoice data can be provided with according to business, such as being set to the 1K byte, the device internal memory had 20000 tickets when certain was declared dutiable goods, these tickets form an index number by memory address so.Described non-contact data transmission interface wireless transmission or USB interface wire transmission travel through output from the two ends of index.
Tax returns system is set up by wireless mode and device and is read the ticket amount earlier after communicating by letter, return 20000, tax returns system software calculates, radio communication 100K byte per second, read 20000 tickets and want the 20000*1K=20000K byte, 20000K/100K=200 second, system software and the USB threshold values of establishing in advance relatively found in 13 seconds one greater than, the system prompt operating personnel connect USB interface so, meanwhile the wireless communication module program of system software is sent the order of reading first ticket data according to order from low to high, after receiving, sends the radio communication program of tax device first ticket data, at this moment the standby ticket amount is 19999, be 199.99 seconds excess time, the process of setting up communication according to above-mentioned USB connects 2 seconds, recognition device 3 seconds totally 5 seconds, this process of 5 seconds so, system uses and wirelessly can read 5 seconds * 100K/1K=500 and open ticket, this moment two kinds of passages and depositing, the standby ticket amount is 19500, will and deposit and calculate excess time with two kinds of passages, the full speed speed of USB is the 1.5M byte per second, can read 1.5M/1K=1500 and open ticket, such two passage per seconds add up to can read 1600 tickets, it is 19500/1600=12 second that binary channels reads excess time, it is separately wireless that to read excess time be 19500K/100K=195 second, the usb communication program of system software is given an order and is read the 20000th ticket, after receiving, the usb communication program of device returns the data of the 20000th ticket, two passages are worked simultaneously according to the control of system software at both direction and are read, the poll that the system software record is read, because present embodiment, USB disconnection process needs 8 seconds altogether, the time wireless transmission can pass 800 tickets in 8 second, system closes the USB passage when reading 800 tickets of residue like this, alert disconnects the USB mouth, wirelessly in this process just in time run through, USB uses cable connecting arrangement to be in induction zone, and doing these operations does not influence.
Digital every ticket 1K that foregoing description uses; USB transmission speed at full speed is the 1.5M byte per second; wireless transmission speed 100K byte per second; be an embodiment; real process may be other value; does not overemphasize because not every enterprise many tickets amount so all in the scheme 13 seconds yet in addition; the threshold values that the user may take to impose uniformity without examining individual cases in actual like this use was such as 30 seconds; the meaning is in other words as long as can pass me just without USB in wireless 30 seconds; can protect USB interface like this; when in addition, needing the high-speed tax device of transmission few 1 minute good.
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive.Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, revise, even equivalence, but all will fall within the scope of protection of the present invention.
Claims (8)
1. high-speed tax device is characterized in that it comprises:
One USB interface in order to be connected with the computing machine usb communication interface of tax bureau's tax returns system, realizes data wire transmission;
One non-contact data transmission interface in order to be connected with the computing machine non-contact data transmission interface of described tax bureau tax returns system, is realized the data wireless transmission;
One storer, the data of desiring to transmit in order to storage of declaring dutiable goods;
One processing unit, it comprises: a judgment sub-unit, it is according to the data volume of declaring dutiable goods of storing in the described storer, calculating the data of all declaring dutiable goods uses wireless mode to read required time fully, when described required time greater than a very first time, adopt non-contact data transmission interface and described USB interface to carry out the parallel transmission data of declaring dutiable goods jointly, otherwise adopt the non-contact data transmission interface to transmit the data of declaring dutiable goods separately; Carry out parallel transmission jointly when declaring dutiable goods data when non-contact data transmission interface and described USB interface, real-time judge remaining data size is to reach a threshold data amount, adopts the non-contact data transmission interface transmission data of declaring dutiable goods when reaching separately.
2. according to the described high-speed tax device of claim 1, it is characterized in that described non-contact data transmission interface comprises: antenna and driving circuit.
3. according to the described high-speed tax device of claim 1, it is characterized in that, also comprise: a power supply, it is a battery.
4. local side data transmission method of declaring dutiable goods is characterized in that it step that comprises is:
Step a: the computing machine of a tax returns system obtains the size of the data volume of declaring dutiable goods in the high-speed tax device by wireless mode;
Step b: calculate the data of all declaring dutiable goods and use wireless mode to read required time fully;
Step c: whether judge described required time greater than a very first time,, otherwise carry out following step e if then carry out following steps d;
Steps d: described high-speed tax device adopts wired mode of USB interface and non-contact data transmission interface wireless mode to transmit the data of declaring dutiable goods simultaneously, and real-time judge remaining data size is to reach a threshold data amount, carry out following step e when reaching, otherwise continue execution in step d;
Step e: described high-speed tax device adopts the non-contact data transmission interface wireless transmission data of declaring dutiable goods;
Step f: transmission course finishes.
5. the local side according to claim 4 data transmission method of declaring dutiable goods, it is characterized in that, the described very first time for connect USB interface, identification USB device, deletion USB device, the summation of time that this 5 operations that disconnect that USB interface connects and usb bus returns to normal take.
6. the local side according to claim 4 data transmission method of declaring dutiable goods is characterized in that described threshold data amount is in one second time, by the declare dutiable goods amount of data of the independent wireless transmission of described non-contact data transmission interface.
7. the local side according to claim 6 data transmission method of declaring dutiable goods is characterized in that, described second time for the deletion USB device, disconnect that USB interface connects and usb bus returns to normal these 3 times that operation takies.
8. the local side according to claim 7 data transmission method of declaring dutiable goods, it is characterized in that, it is by fixed size memory allocated space that described data every the ticket in described high-speed tax device of declaring dutiable goods is declared dutiable goods according to number, each space is provided with an index, described non-contact data transmission interface wireless transmission or USB interface wire transmission travel through output from the two ends of index.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101165307A CN101625668B (en) | 2008-07-11 | 2008-07-11 | High-speed tax device and method for transmitting local side bonded data |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101165307A CN101625668B (en) | 2008-07-11 | 2008-07-11 | High-speed tax device and method for transmitting local side bonded data |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101625668A CN101625668A (en) | 2010-01-13 |
| CN101625668B true CN101625668B (en) | 2011-04-13 |
Family
ID=41521519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101165307A Active CN101625668B (en) | 2008-07-11 | 2008-07-11 | High-speed tax device and method for transmitting local side bonded data |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101625668B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102968861B (en) * | 2010-03-10 | 2015-07-15 | 航天信息股份有限公司 | Tax copying method |
| CN108536479A (en) * | 2018-04-17 | 2018-09-14 | 百度在线网络技术（北京）有限公司 | Method and apparatus for restarting Android device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2833679Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART interface holding blue tooth and USB dual interface |
| CN101106681A (en) * | 2007-06-26 | 2008-01-16 | 广东威创日新电子有限公司 | Wireless video transmission device and method |
| US7334072B1 (en) * | 2002-09-27 | 2008-02-19 | Cypress Semiconductor Corporation | System, method and apparatus for extending distances between wired or wireless USB devices and a USB host |
-
2008
- 2008-07-11 CN CN2008101165307A patent/CN101625668B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7334072B1 (en) * | 2002-09-27 | 2008-02-19 | Cypress Semiconductor Corporation | System, method and apparatus for extending distances between wired or wireless USB devices and a USB host |
| CN2833679Y (en) * | 2005-08-30 | 2006-11-01 | 上海师范大学 | HART interface holding blue tooth and USB dual interface |
| CN101106681A (en) * | 2007-06-26 | 2008-01-16 | 广东威创日新电子有限公司 | Wireless video transmission device and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101625668A (en) | 2010-01-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102651785B (en) | Remote wakeup of application processor of mobile device | |
| CN103856620B (en) | Control the method and device of terminal closedown | |
| CN110165736A (en) | A kind of electricity sharing method, system and mobile terminal based on charged state monitoring | |
| CN104488169A (en) | Method for managing power source of electronic device, power management program, electronic device, power supply apparatus | |
| CN102372245A (en) | Card machine connection tanker aircraft | |
| CN101625668B (en) | High-speed tax device and method for transmitting local side bonded data | |
| CN201213018Y (en) | High speed dutiable-goods declaring device | |
| CN103853138A (en) | Power management system of wireless smart socket based on RFID | |
| EP4092607A1 (en) | Carbon coin device | |
| CN205751041U (en) | Intelligent charge equipment and system | |
| CN108470271B (en) | Engineering project integrated management system | |
| CN105844817A (en) | Remote offline financial card payment method used in NFC POC terminals | |
| CN101350727B (en) | Method and apparatus for snapshot of account data, method for balancing account and real time billing system | |
| CN207924482U (en) | A kind of numerical control industrial personal computer net connection interaction systems | |
| CN111652394A (en) | Work order processing method, device and equipment | |
| CN104113631B (en) | A kind of data transmission method and electronic equipment | |
| CN202309735U (en) | Intelligent key | |
| CN104591068A (en) | Intelligent automatic filling system | |
| CN212723726U (en) | Power failure operation safety control device based on operation board | |
| RU151945U1 (en) | MACHINE TERMINAL | |
| CN209980307U (en) | Mobile power supply charging terminal | |
| KR20220086408A (en) | Method and System for Charging Electric Vehicle | |
| CN203465775U (en) | Credit card applying machine for bank | |
| CN105956952A (en) | Water meter management system based on WeChat communication | |
| CN106127281A (en) | A kind of Bluetooth intelligent card and charging method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |