CN101661551B - Identifying and positioning method of radio frequency identification reading devices and reading devices - Google Patents
Identifying and positioning method of radio frequency identification reading devices and reading devices Download PDFInfo
- Publication number
- CN101661551B CN101661551B CN2008101981377A CN200810198137A CN101661551B CN 101661551 B CN101661551 B CN 101661551B CN 2008101981377 A CN2008101981377 A CN 2008101981377A CN 200810198137 A CN200810198137 A CN 200810198137A CN 101661551 B CN101661551 B CN 101661551B
- Authority
- CN
- China
- Prior art keywords
- radio frequency
- frequency identification
- reading device
- identification
- locator data
- 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 an identifying and positioning method of radio frequency identification reading devices. The method comprises the following steps: a first radio frequency identification reading device transfers identifying and positioning data to main control equipment to identify through a data transmission interface; the first radio frequency identification reading device transfers the identifying and positioning data through a radio frequency identification receiving and sending module of the first radio frequency identification reading device; and a second radio frequency identification reading device which is adjacent to the first radio frequency identification reading device transfers the identifying and positioning data to the main control equipment to identify through the data transmission interface after the second radio frequency identification reading device receives the identifying and positioning data transferred by the first radio frequency identification reading device.
Description
Technical field
The present invention is about a kind of recognition technology of employing wireless radio frequency recognition system, particularly about a kind of recognition positioning method and reading device of radio frequency identification reading device.
Background technology
Known radio frequency identification (RFID) system forms and mainly comprises wireless radio frequency identification mark (RFIDTag), radio frequency identification reading device (RFID Reader) and at least one rear end host computer.Wherein wireless radio frequency identification mark is the storage assembly for storing of data, radio frequency identification reading device then is from the wireless radio frequency identification mark reading of data or with the instrument of deposit data in the wireless radio frequency identification mark, after the wireless signal that receives wireless radio frequency identification mark, again the data that read are sent in the host computer of rear end, carry out various data processing.
Wherein wireless radio frequency identification mark can be divided into active (Active) and two kinds of passive types (Passive) again, the active wireless radio frequency identification label includes battery, at any time transmission information is given radio frequency identification reading device, and have than long communication distance, can store bigger internal memory, but price is higher; Passive type wireless radio frequency identification mark power supply produces the little electric current of induction from electric wave that reading device sends to wireless radio frequency identification mark and supplies its power supply power, utilizes electric wave to pass its information back radio frequency identification reading device again, so communication distance is shorter.Passive type wireless radio frequency identification mark benefit do not need to be external battery, can reach that volume is little, low price, the life-span is long and advantage such as numerical data portability.And that the antenna of passive type wireless radio frequency identification mark is generally is built-in, in order to induction with produce the less radio-frequency electric wave, with transceive data.
The application of wireless radio frequency identification mark is quite extensive, is included in that area control system, gate control system, logistic management system and worker pacify personnel and the worker pacifies the application of each side such as material management system.Similarly be the active wireless radio frequency identification label to be joined be hung on one's body the pupil; when the pupil when being provided with the directorial area of radio frequency identification reading device or regulatory area; the active wireless radio frequency identification label promptly can receive the drive signal of radio frequency identification reading device; and being sent to radio frequency identification reading device, the data in it receive; and the data that obtain are sent to the management software server receive; this management software server system can be integrated the data that received; data after will integrating again are sent to application server and receive; this application server promptly can be sent to data the pupil head of a family or school and receive; and receive the pupil to the school by mobile phone or computer; leave school or the pupil swarms into forbidden zone and pupil and is detained information on the school bus, use to reach the purpose of notifying the head of a family or school immediately.
Summary of the invention
The technical matters that institute of the present invention desire solves
Yet the user generally just removes to discern the label information of wireless radio frequency identification mark by radio frequency identification reading device, and is difficult to discern radio frequency identification reading device itself.Often when radio frequency identification reading device is discerned, the data that can only rely on radio frequency identification reading device to pass back.In case data are altered by intercepting when transmission, and are used to forge radio frequency identification reading device, and then transmit false data, the user also is difficult to certain resolution.So it is too simple generally to discern radio frequency identification reading device, and is easy to generate leak on information security, there is great risk to exist.
In addition, when cloth is built radio frequency identification reading device, do not inform the position of oneself because radio frequency identification reading device itself can not be sent out signal, the cloth person of building often needs the do-it-yourself record.In case radio frequency identification reading device is subjected to the influence of external factor and locational change is arranged after cloth is built, record in the time of then can causing the information discerned still to be built according to cloth is handled and is produced wrong result, the position that this problem has only the cloth person of building to go in person often to check the correcting wireless radio frequency recognition reading device could be avoided a little, but this method too bothers and be inefficent.
Edge this, a purpose of the present invention promptly provides a kind of recognition positioning method of radio frequency identification reading device, confirms in order to radio frequency identification reading device is carried out status.
Another object of the present invention provides a kind of radio frequency identification reading device, in order to judge the position of radio frequency identification reading device.
The technological means that the present invention deals with problems
The present invention is a kind of recognition positioning method of radio frequency identification reading device for the technological means that problem adopted that solves known technology, transmits identification locator data to main control equipment by first radio frequency identification reading device by data transmission interface and discerns.First radio frequency identification reading device will be discerned locator data again and send out by the radio frequency transceiving module of first radio frequency identification reading device, after receiving the identification locator data that first radio frequency identification reading device transmitted adjacent to second radio frequency identification reading device of first radio frequency identification reading device, will discern locator data again and be sent to main control equipment by data transmission interface and discern.
First radio frequency identification reading device is to comprise being connected microprocessor with radio frequency transceiving module.This microprocessor more is connected with internal storage location, data transmission interface linkage unit and identification locator data storage element.The data transmission interface linkage unit makes radio frequency identification reading device be connected to main control equipment; Identification locator data storage element then is in order to the store identification locator data.
In addition, identification locator data storage element also can be used wireless radio frequency identification mark instead and replace, wireless radio frequency identification mark connects microprocessor by the label connecting interface, and the identification locator data then changes in the identification locator data storage element that is stored in wireless radio frequency identification mark.In the time the transmission of identification locator data will being given second radio frequency identification reading device, then send out by second radio frequency transceiving module of wireless radio frequency identification mark.
The present invention's effect against existing technologies
Via the technology used in the present invention means, the method of discerning more in the past than the data that relied on radio frequency identification reading device directly to pass back, because need to do other affirmation action by contiguous radio frequency identification reading device again, and acting on of dual affirmation arranged.With regard to the angle of information security, can prevent that not only radio frequency identification reading device is forged, and related making via difficult being altered of the next data of radio frequency identification reading device transmission, and more secure.
Moreover, utilize the interactive identification of a plurality of radio frequency identification reading devices, when one of them radio frequency identification reading device is built the position and is offset to some extent for some reason and with original cloth, the user can find by the passback signal of other radio frequency identification reading device at once, and sets about corresponding action immediately.When on the radio frequency identification reading device that is applied in mobile, more can have in the control zone of a plurality of radio frequency identification reading devices at cloth, by the mode of interactive identification, judge the user's of hand-hold wireless radio frequency recognition reading device position.
Specific embodiment of the present invention will be further described by following embodiment and accompanying drawing.
Description of drawings
Fig. 1 is the system schematic of first embodiment of the invention.
Fig. 2 is the circuit operation figure of first embodiment of the invention.
Fig. 3 is the control flow chart of first embodiment of the invention.
Circuit operation figure when Fig. 4 is a first embodiment of the invention with other direction identification location.
Fig. 5 is the system schematic of second embodiment of the invention.
Fig. 6 is the circuit block diagram of the radio frequency identification reading device of second embodiment of the invention.
Fig. 7 is the control flow chart of second embodiment of the invention.
Embodiment
Consult shown in Figure 1ly, be the system schematic of first embodiment of the invention.Comprise main control equipment 1 in the radio frequency identification system 100, it successively is connected the first radio frequency identification reading device 4a and the second radio frequency identification reading device 4b by gateway 2 with data transmission interface 3.Data transmission interface 3 can be used for the interface of data transmission for Ethernet interface or other; The first radio frequency identification reading device 4a and the second radio frequency identification reading device 4b are then usually in order to read the label information S0 that wireless radio frequency identification mark 5 is sent.
Consult Fig. 2 and shown in Figure 3, be the circuit operation figure and the control flow chart of first embodiment of the invention.Include microprocessor 41a among the first radio frequency identification reading device 4a, it is connected with internal storage location 42a, radio frequency transceiving module 43a, data transmission interface linkage unit 44a and identification locator data storage element 45a respectively.Wherein, data transmission interface linkage unit 44a is in order to connect data transmission interface 3; Then store identification locator data I1 among the identification locator data storage element 45a.Similarly, include microprocessor 41b among the second radio frequency identification reading device 4b, it is connected with internal storage location 42b, radio frequency transceiving module 43b, data transmission interface linkage unit 44b and identification locator data storage element 45b equally respectively.Data transmission interface linkage unit 44b is in order to connect data transmission interface 3; Then store an identification locator data I2 among the identification locator data storage element 45b.
In the time will discerning, the identification locator data I1 that the microprocessor 41a of the first radio frequency identification reading device 4a will discern earlier among the locator data storage element 45a is sent out by data transmission interface linkage unit 44a with an identification locator data package P1.The identification locator data package P1 that is transmitted out can successively deliver to main control equipment 1 (step 101) by data transmission interface 3 and gateway 2.Then, main control equipment 1 is just discerned (step 102) to the identification locator data package P1 that receives.Just as being label information S0 to be sent out among aforesaid Fig. 1 by wireless radio frequency identification mark 5, just change and to discern locator data I1 by the first radio frequency identification reading device 4a and pass to main control equipment 1, make win radio frequency identification reading device 4a such as same virtual wireless radio frequency identification mark, main control equipment 1 then is the reading device of this virtual wireless radio frequency identification mark.
Then, the microprocessor 41a of the first radio frequency identification reading device 4a will discern the radio frequency transceiving module 43a of locator data I1 by the first radio frequency identification reading device 4a again and carry away (step 103) with less radio-frequency signal S1.Because the employed communications protocol of less radio-frequency signal S1 is identical with the communications protocol that wireless radio frequency identification mark 5 uses when sending label information S0, and identification locator data I1 can be exactly the tag recognition sign indicating number.Thus, adjacent to the second radio frequency identification reading device 4b of the first radio frequency identification reading device 4a just similarly is in that to receive the label information S0 that wireless radio frequency identification mark 5 sent out general, receive this less radio-frequency signal S1, and obtain identification locator data I1 (step 104) by this.After the second radio frequency identification reading device 4b obtains this identification locator data I1, just will discern locator data I1 and send out by the data transmission interface linkage unit 44b of the second radio frequency identification reading device 4b with identification locator data package P2, this identification locator data package P2 successively is sent to main control equipment 1 (step 105) by data transmission interface 3 and gateway 2.After main control equipment 1 receives this identification locator data package P2, equally identification locator data package P2 is discerned (step 106).
Consult shown in Figure 4, for first embodiment of the invention with the other direction circuit operation figure in when location identification.Because the circuit structure of the second radio frequency identification reading device 4b is identical with the first radio frequency identification reading device 4a, since, can discern the second radio frequency identification reading device 4b equally certainly so can discern the first radio frequency identification reading device 4a.Recognized action is identical during then with the above-mentioned identification first radio frequency identification reading device 4a, and the difference part only changes the second radio frequency identification reading device 4b at the object that is identified.
Similarly, the second radio frequency identification reading device 4b is sent to main control equipment 1 with the identification locator data I2 of the second radio frequency identification reading device 4b with an identification locator data package P2 ' equally and discerns.Then, the second radio frequency identification reading device 4b will discern the radio frequency transceiving module 43b of the stored identification locator data I2 of locator data storage element 45b by the second radio frequency identification reading device 4b again and carry away with a less radio-frequency signal S2.Afterwards, behind the first radio frequency identification reading device 4a reception less radio-frequency signal S2 adjacent to the second radio frequency identification reading device 4b, successively deliver to main control equipment 1 with an identification locator data package P1 ' and discern by data transmission interface 3 and gateway 2.
Though be example with the first radio frequency identification reading device 4a and the second less radio-frequency reading device 4b among the above embodiment, illustrate that method of the present invention can be used for two-way identification, but have the knack of this technician when knowing that the number of radio frequency identification reading device is not so limited, and also can be applicable on the interactive identification between a plurality of radio frequency identification reading devices.When practical application, except carrying out also can judging the position of radio frequency identification reading device by the interactive identification between a plurality of radio frequency identification reading devices the status affirmation to radio frequency identification reading device.
Consult shown in Figure 5ly, be the system schematic of second embodiment of the invention.The radio frequency identification system 100 ' of this embodiment is roughly the same with aforementioned first embodiment, and the difference part just is substituted by the first radio frequency identification reading device 6a and the second radio frequency identification reading device 6b with the first radio frequency identification reading device 4a and the second radio frequency identification reading device 4b.
The first radio frequency identification reading device 6a and the aforementioned first radio frequency identification reading device 4a difference are to include among the first radio frequency identification reading device 6a wireless radio frequency identification mark 60a.Similar in appearance to the first radio frequency identification reading device 6a, the second radio frequency identification reading device 6b also includes a wireless radio frequency identification mark 60b.Wireless radio frequency identification mark 60a, 60b can be active wireless radio frequency identification labels, also can be passive type wireless radio frequency identification marks.
Consult shown in Figure 6ly, be the circuit block diagram of the radio frequency identification reading device of second embodiment of the invention.In the circuit of the first radio frequency identification reading device 6a, include first microprocessor 61a, it is connected with internal storage location 62a, the first radio frequency transceiving module 63a and data transmission interface linkage unit 64a.First microprocessor 61a also connects this wireless radio frequency identification mark 60a by label connecting interface 65a.Wireless radio frequency identification mark 60a includes the second microprocessor 601a, and connects the second radio frequency transceiving module 602a of the second microprocessor 601a and store the identification locator data storage element 603a that discerns locator data I3.
Consult shown in Figure 7ly simultaneously, be the control flow chart of second embodiment of the invention.The control flow of this embodiment and aforementioned first embodiment are roughly the same, in the time will discerning, the identification locator data I3 that will be discerned among the locator data storage element 603a by the first microprocessor 61a of the first radio frequency identification reading device 6a is sent to main control equipment 1 (step 201).Discern (step 202) by main control equipment 1 then.Then, the first microprocessor 61a of the first radio frequency identification reading device 6a will discern the second radio frequency transceiving module 602a of locator data I3 by wireless radio frequency identification mark 60a again and send (step 203) with less radio-frequency signal S1 '.Then, the second radio frequency identification reading device 6b adjacent to the first radio frequency identification reading device 6a receives this identification locator data I3 (step 204), to discern locator data I3 and be sent to main control equipment 1 (step 205), main control equipment 1 is discerned (step 206) after receiving this identification locator data I3.Certainly, present embodiment can be located equally in other direction identification, and the less radio-frequency signal S2 ' that this moment, the second radio frequency identification reading device 6b was sent then can be received by the first radio frequency transceiving module 63a of the first radio frequency identification reading device 6a.
By above embodiment as can be known, the recognition positioning method of radio frequency identification reading device provided by the present invention and install value on the true tool industry.
Claims (11)
1. the recognition positioning method of a radio frequency identification reading device, confirm and location determination in order in radio frequency identification system, first radio frequency identification reading device is carried out status, include main control equipment in this radio frequency identification system and be connected in this main control equipment and this first radio frequency identification reading device between data transmission interface, the radio frequency transceiving module that includes microprocessor and be connected in this microprocessor in this first radio frequency identification reading device, identification locator data storage element, wherein store the identification locator data in this identification locator data storage element, this radio frequency identification system also comprises second radio frequency identification reading device that is connected in this data transmission interface, described second radio frequency identification reading device is identical with this first radio frequency identification reading device structure, it is characterized in that this method comprises the following steps:
(a) this first radio frequency identification reading device transmits this identification locator data to this main control equipment by this data transmission interface;
(b) this main control equipment is discerned this identification locator data that receives;
(c) this first radio frequency identification reading device should be discerned locator data and sent out by this radio frequency transceiving module;
(d) to receive the identification locator data of this first radio frequency identification reading device adjacent to this second radio frequency identification reading device of this first radio frequency identification reading device;
(e) this second radio frequency identification reading device identification locator data that will receive is sent to this main control equipment by this data transmission interface;
(f) this main control equipment is discerned this identification locator data that receives.
2. the recognition positioning method of radio frequency identification reading device according to claim 1 is characterized in that, this data transmission interface is the Ethernet interface.
3. the recognition positioning method of radio frequency identification reading device according to claim 1 is characterized in that, also includes gateway between this data transmission interface and this main control equipment.
4. the recognition positioning method of radio frequency identification reading device according to claim 1 is characterized in that, this identification locator data is the tag recognition sign indicating number.
5. the radio frequency identification reading device with identification positioning function is characterized in that, comprising:
Microprocessor;
Internal storage location is connected in this microprocessor;
Identification locator data storage element is connected in this microprocessor, and this identification locator data storage unit stores has the identification locator data;
Radio frequency transceiving module, be connected in this microprocessor, under the control of this microprocessor, can receive wireless radio frequency identification mark label information, will discern locator data and send out, and receive the identification locator data of adjacent radio frequency identification reading device;
The data transmission interface linkage unit is connected in this microprocessor, makes this radio frequency identification reading device be able to be sent to main control equipment by the identification locator data that this data transmission interface linkage unit will be discerned in the locator data storage element.
6. the radio frequency identification reading device with identification positioning function according to claim 5 is characterized in that this data transmission interface is the Ethernet interface.
7. the radio frequency identification reading device with identification positioning function according to claim 5 is characterized in that, also includes gateway between this data transmission interface and this main control equipment.
8. the radio frequency identification reading device with identification positioning function according to claim 5 is characterized in that this identification locator data is the tag recognition sign indicating number.
9. the recognition positioning method of a radio frequency identification reading device, confirm and location determination in order in radio frequency identification system, first radio frequency identification reading device is carried out status, include main control equipment in this radio frequency identification system and be connected in this main control equipment and this first radio frequency identification reading device between data transmission interface, this first radio frequency identification reading device includes first microprocessor, this first microprocessor connects wireless radio frequency identification mark by the label connecting interface, radio frequency transceiving module and identification locator data storage element that this wireless radio frequency identification mark includes second microprocessor and is connected in this second microprocessor, wherein store the identification locator data in this identification locator data storage element, this radio frequency identification system also comprises second radio frequency identification reading device that is connected in this data transmission interface, described second radio frequency identification reading device is identical with this first radio frequency identification reading device structure, it is characterized in that this method comprises the following steps:
(a) this first radio frequency identification reading device transmits this identification locator data to this main control equipment by this data transmission interface;
(b) this main control equipment is discerned this identification locator data that receives;
(c) this first radio frequency identification reading device will be discerned locator data and send out by the radio frequency transceiving module of this wireless radio frequency identification mark;
(d) to receive the identification locator data of this first radio frequency identification reading device adjacent to this second radio frequency identification reading device of this first radio frequency identification reading device;
(e) this second radio frequency identification reading device identification locator data that will receive is sent to this main control equipment by this data transmission interface;
(f) this main control equipment is discerned this identification locator data that receives.
10. the recognition positioning method of radio frequency identification reading device according to claim 9 is characterized in that, this wireless radio frequency identification mark is active or the passive type wireless radio frequency identification mark.
11. the radio frequency identification reading device with identification positioning function is characterized in that, comprising:
First microprocessor;
Internal storage location is connected in this first microprocessor;
The label connecting interface is connected in this first microprocessor;
Wireless radio frequency identification mark connects this first microprocessor by this label connecting interface, and this wireless radio frequency identification mark comprises: second microprocessor; Identification locator data storage element connects this second microprocessor, stores the identification locator data in this identification locator data storage element; Second radio frequency transceiving module connects this second microprocessor, sends out in order to should discern locator data;
First radio frequency transceiving module is connected in this first microprocessor, can receive wireless radio frequency identification mark label information, and receive the identification locator data of adjacent radio frequency identification reading device;
And data transmission interface linkage unit, be connected in this first microprocessor, make this radio frequency identification reading device be able to the identification locator data in the identification locator data storage element of this wireless radio frequency identification mark is sent to main control equipment by this data transmission interface linkage unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101981377A CN101661551B (en) | 2008-08-29 | 2008-08-29 | Identifying and positioning method of radio frequency identification reading devices and reading devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101981377A CN101661551B (en) | 2008-08-29 | 2008-08-29 | Identifying and positioning method of radio frequency identification reading devices and reading devices |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101661551A CN101661551A (en) | 2010-03-03 |
| CN101661551B true CN101661551B (en) | 2011-12-07 |
Family
ID=41789563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101981377A Active CN101661551B (en) | 2008-08-29 | 2008-08-29 | Identifying and positioning method of radio frequency identification reading devices and reading devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101661551B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360953B1 (en) * | 1998-07-15 | 2002-03-26 | Magnex Corporation | Secure print sensing smart card with on-the-fly-operation |
| CN1896767A (en) * | 2005-07-12 | 2007-01-17 | 光宝科技股份有限公司 | Position indicating system |
| CN1963561A (en) * | 2006-12-01 | 2007-05-16 | 清华大学 | Indoor precision orientation method of following multi-moving target |
| CN101131432A (en) * | 2007-09-18 | 2008-02-27 | 澳门科技大学 | Positioning method for wireless radio frequency recognition system and device thereof |
-
2008
- 2008-08-29 CN CN2008101981377A patent/CN101661551B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6360953B1 (en) * | 1998-07-15 | 2002-03-26 | Magnex Corporation | Secure print sensing smart card with on-the-fly-operation |
| CN1896767A (en) * | 2005-07-12 | 2007-01-17 | 光宝科技股份有限公司 | Position indicating system |
| CN1963561A (en) * | 2006-12-01 | 2007-05-16 | 清华大学 | Indoor precision orientation method of following multi-moving target |
| CN101131432A (en) * | 2007-09-18 | 2008-02-27 | 澳门科技大学 | Positioning method for wireless radio frequency recognition system and device thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101661551A (en) | 2010-03-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7969348B2 (en) | Systems and methods for obtaining and using data from a localized location and telemetry system in a wide area location and telemetry system | |
| US20010007815A1 (en) | Method and system for establishing a short-range radio link | |
| CN103198337B (en) | Coding information reading terminals with article positioning function | |
| EP2696309B1 (en) | Universal access device | |
| EP2770782A2 (en) | Wireless data communication | |
| CN104967626A (en) | Device and method for providing RFID identification data for an authentication server | |
| US20120075073A1 (en) | Rfid reader device | |
| CN103186952B (en) | The payment management method of intelligent parking lot, Apparatus and system | |
| CN102821185A (en) | Method for keeping personal belongings | |
| US20120280797A1 (en) | System And Apparatus For Item Level Inventory Management Within A Virtual Warehouse Established For Short-Term And Long-Term Disaster Relief Operations | |
| Kolev | Designing a NFC system | |
| CN104420766A (en) | Device for monitoring cash boxes on bank vault escort vehicle in real time all the way | |
| CN105809231B (en) | Multi-frequency multi-purpose electronic tag and using method thereof | |
| US9324053B1 (en) | RFID tag cylinder inventory control method | |
| US20100164687A1 (en) | Rfid reader and identification method for identifying the same | |
| CN103138809B (en) | The communication means communicated between electronic devices and corresponding equipment | |
| US20100188194A1 (en) | Mobile rfid monitoring system and method thereof | |
| CN101661551B (en) | Identifying and positioning method of radio frequency identification reading devices and reading devices | |
| KR101325007B1 (en) | Method and system for confirming location of product within shelf using RFID | |
| CN201449630U (en) | Conference sign-in system based on RFID technique | |
| CN101685491B (en) | Portable electronic equipment and mobile RFID reader | |
| CN109086846A (en) | method and device for shopping | |
| CN110428636B (en) | Combined radio frequency electronic license plate and electronic display device | |
| EP2651077A2 (en) | Method for transmitting information of heavy equipment vehicle for construction | |
| US20160098673A1 (en) | Rfid tag cylinder inventory control system |
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 | ||
| ASS | Succession or assignment of patent right |
Owner name: HANDA PRECISION ELECTRONIC (KUNSHAN) CO., LTD. Free format text: FORMER OWNER: FOSHAN SHUNDE DISTRICT MITAC PRECISION TECHNOLOGY CO., LTD. Effective date: 20130704 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 528308 FOSHAN, GUANGDONG PROVINCE TO: 215300 SUZHOU, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130704 Address after: 215300 No. second, 269 Avenue, comprehensive bonded area, Jiangsu, Kunshan Patentee after: Mitac Precision Technology (Kunshan) Corp. Address before: 528308 Guangdong Province, Foshan city Shunde District Lunjiao Street Chung Hei Lun Xing Zhong Lu Patentee before: Foshan Shunde District Mitac Precision Technology Co., Ltd. |