CN103164673B - System and the method thereof of missing is carried out with radio frequency identification and image identification - Google Patents
System and the method thereof of missing is carried out with radio frequency identification and image identification Download PDFInfo
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- CN103164673B CN103164673B CN201110421695.7A CN201110421695A CN103164673B CN 103164673 B CN103164673 B CN 103164673B CN 201110421695 A CN201110421695 A CN 201110421695A CN 103164673 B CN103164673 B CN 103164673B
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Abstract
A kind of system and method thereof of carrying out missing with radio frequency identification and image identification, user in large-scale place obtains radio RF identification label, when determining by the radio frequency identification reading device be arranged in region the region that specific radio RF identification label is positioned at when carrying out missing, carry out image capture by the device for image in this region again and carry out identification and comparison, to determine the tram of user to be sought, can reach thus and initiatively provide the technique effect efficient carrying out missing in large-scale place.
Description
Technical field
The present invention relates to a kind of person finding system and method thereof, particularly relate to a kind of person finding system and method thereof of carrying out large-scale place with radio frequency identification and image identification technology.
Background technology
Increasing people are when holiday, can go out together with the whole family and play, such as: the whole family can make a visit to art exhibition, the whole family together and can go large-scale amusement park, the whole family that countryside can be gone to together to go for an outing in early spring together, these can promote parent child relationship effectively, make family circle can with happy and harmonious.
But unescapable problem is the phenomenon that large-scale place (such as: large-scale amusement park, the Art Museum, department store etc.) usually there will be someone and wanders away or wander away; all the information desk needing large-scale place to provide for wandering away or wandering away; the object of missing can be carried out by broadcast system in information desk; but because the region in large-scale place is larger; broadcast system is likely too small in some local volume; and cause missing efficiency not high, and it is also too passive to carry out the missing in large-scale place with broadcast system.
In sum, exist since known prior art is medium-term and long-term always and carry out the too passive and problem of inefficiency of missing by broadcast system in large-scale place, be therefore necessary the technological means proposing to improve, solve this problem.
Summary of the invention
Because prior art exists carry out the too passive and problem of inefficiency of missing by broadcast system in large-scale place, the invention provides a kind of system and method thereof of carrying out missing with radio frequency identification and image identification, wherein:
System of carrying out missing with radio frequency identification and image identification provided by the present invention, it comprises: radio RF identification label, radio frequency identification reading device, at least one device for image and data processing end; Wherein, data processing end also comprises: receiver module, reading link module, Image chain connection module, recognition module and sign module.
Radio RF identification label stores unique mark and user's face image, and held by user; Radio frequency identification reading device is configured in each region of large-scale place division, and the mark of the radio RF identification label held according to user to be sought is compared, to determine the region that the mark of the radio RF identification label that user to be sought holds is positioned at; At least one device for image is configured in each region of large-scale place division.
The receiver module of data processing end searches data in order to receive, and wherein searches mark and user's face image of the radio RF identification label that packet is held containing user to be sought; The mark of the radio RF identification label that the reading link module of data processing end provides each radio frequency identification reading device user to be sought to hold, and from radio frequency identification reading device obtain determined the mark of the radio RF identification label that user to be sought holds the region that is positioned at; Linking of at least one device for image in the region that the Image chain connection module of data processing end is positioned in order to the mark setting up the radio RF identification label held with user to be sought, and obtain at least one acquire images from least one device for image; At least one recognisable image picked out and user's face image to be sought in order to carry out human face recognition at least one acquire images, and are compared by the recognition module of data processing end; The sign module of data processing end, when the recognisable image be identified is consistent with user's face image comparison to be sought, determines the region at the user place holding radio RF identification label.
Method of carrying out missing with radio frequency identification and image identification provided by the present invention, it comprises the following step:
First, in advance large-scale place is divided into multiple region, configure radio frequency identification reading device and at least one device for image in each zone, user obtains radio RF identification label, and radio RF identification label stores unique identification and user's face image; Then, data processing termination is received and is searched data, wherein searches mark and user's face image of the radio RF identification label that packet is held containing user to be sought; Then, the mark of the data processing end radio RF identification label that provides each radio frequency identification reading device user to be sought to hold; Then, radio frequency identification reading device is compared according to the mark of the radio RF identification label that user to be sought holds, to determine the region that the mark of the radio RF identification label that user to be sought holds is positioned at, and by determined the mark of the radio RF identification label that user to be sought holds the region that is positioned at be provided to data processing end; Then, linking of at least one device for image in the region that the mark that data processing end sets up the radio RF identification label held with user to be sought is positioned at, and obtain at least one acquire images from least one device for image; Then, data processing end carries out human face recognition at least one acquire images, and at least one recognisable image picked out and user's face image to be sought is compared; Finally, when the recognisable image be identified is consistent with user's face image comparison to be sought, data processing end determines the region at the user place holding radio RF identification label.
System and method for provided by the present invention as above, and the difference between prior art is that the present invention provides each user's radio RF identification label in large-scale place, when needs carry out missing in large-scale place, when then can determine that specific radio RF identification label is positioned at some regions by the radio frequency identification reading device arranged in each zone, carry out image capture by the device for image set by this region again and carry out human face recognition, to human face recognition and user's face image comparison to be sought, the tram of user to be sought can be known thus.
By above-mentioned technological means, the present invention can reach initiatively provides the technique effect efficient carrying out missing in large-scale place.
Accompanying drawing explanation
Figure 1 shows that the present invention carries out the system block diagram of missing with radio frequency identification and image identification.
Figure 2 shows that the present invention carries out the method flow diagram of missing with radio frequency identification and image identification.
Figure 3 shows that the present invention carries out subregion, the large-scale place floor map of missing with radio frequency identification and image identification.
Figure 4 shows that the present invention carries out the system architecture schematic diagram of missing with radio frequency identification and image identification.
Fig. 5 A is depicted as the present invention carries out missing the first acquire images schematic diagram with radio frequency identification and image identification.
Fig. 5 B is depicted as the present invention carries out missing the second acquire images schematic diagram with radio frequency identification and image identification.
[critical piece description of reference numerals]
10 data processing ends
11 receiver modules
12 read link module
13 Image chain connection modules
14 recognition module
15 indicate module
20 radio frequency identification reading devices
21 first radio frequency identification reading devices
22 second radio frequency identification reading devices
30 device for image
31 first device for image
32 second device for image
33 the 3rd device for image
34 the 4th device for image
40 radio RF identification labels
51 first areas
52 second areas
61 first acquire images
62 second acquire images
71 first recognisable image
72 second recognisable image
73 the 3rd recognisable image
74 the 3rd user's face images
75 indicate
Large-scale place is divided into multiple region by step 110 in advance, configure radio frequency identification reading device and at least one device for image in each zone, user obtains radio RF identification label, and radio RF identification label stores unique identification and user's face image
Step 120 data processing termination is received and is searched data, wherein searches mark and user's face image of the radio RF identification label that packet is held containing user to be sought
The mark of the radio RF identification label that step 130 data processing end provides each radio frequency identification reading device user to be sought to hold
The mark of the radio RF identification label that step 140 radio frequency identification reading device is held according to user to be sought is compared, to determine the region that the mark of the radio RF identification label that user to be sought holds is positioned at, and by determined the mark of the radio RF identification label that user to be sought holds the region that is positioned at be provided to data processing end
Linking of at least one device for image in the region that the mark that step 150 data processing end sets up the radio RF identification label held with user to be sought is positioned at, and obtain at least one acquire images from least one device for image
Step 160 data processing end carries out human face recognition at least one acquire images, and at least one recognisable image picked out and user's face image to be sought is compared
Step 170 is when the recognisable image be identified is consistent with user's face image comparison to be sought, and data processing end determines the region at the user place holding radio RF identification label
Embodiment
Describe embodiments of the present invention in detail below with reference to drawings and Examples, thus to the present invention how application technology means solve technical matters and the implementation procedure reaching technique effect can fully understand and implement according to this.
First system of carrying out missing with radio frequency identification and image identification provided by the present invention below to be described, and with reference to shown in Fig. 1, Figure 1 shows that the present invention carries out the system block diagram of missing with radio frequency identification and image identification.
System of carrying out missing with radio frequency identification and image identification provided by the present invention, in advance large-scale place is divided into multiple region, in general large-scale place can be large-scale amusement park, the Art Museum, station etc., configure radio frequency identification reading device 20 and at least one device for image 30 in each zone, radio frequency identification reading device 20 is configured in the center in each region, and radio frequency identification reading device 20 can be embedded in floor, ceiling, in wall etc., and the configuration of device for image 30 is the acquisitions needing to carry out this region completely image, user can obtain radio RF identification label 40, and store unique identification and user's face image in radio RF identification label 40, mark can be the unique corresponding radio-frequency identification code of radio RF identification label 40, and user's face image be namely when user obtains radio RF identification label 40 by camera (such as: digital camera, CCD etc.) face of user is carried out to the photography of image, and radio RF identification label 40 is active wireless radio frequency identification label.
When being necessary to search some specific users, then search data be can receive by the receiver module 11 of data processing end 10, mark and user's face image that namely data comprise the radio RF identification label 40 that user to be sought holds searched.
Then, namely the reading link module 12 of data processing end 10 can be set up and the linking of each radio frequency identification reading device 20, and to read link module 13 be that (such as: the mode such as cable network, transmission line) or wireless mode (such as: the mode such as wireless network, WIFI, mobile network) are set up and the linking of radio frequency identification reading device 20 in a wired fashion, be only at this and illustrate, do not limit to application category of the present invention with this.
Read the mark of the radio RF identification label 40 that link module 12 can provide each radio frequency identification reading device 20 user to be sought to hold, namely radio frequency identification reading device 20 can read in the mark in all radio frequency labels 40 in this region, and after radio frequency identification reading device 20 reads all marks, the mark of the radio RF identification label 40 that radio frequency identification reading device 20 can be held according to user to be sought is compared, to determine the region that the mark of the radio RF identification label 40 that user to be sought holds is positioned at, and by determined the mark of the radio RF identification label that user to be sought holds the region that is positioned at be supplied to and read link module 12.
Specifically, suppose that the region that the first radio frequency identification reading device is positioned at is " area01 ", suppose that first of the first radio frequency identification reading device acquisition is designated " 0001 ", and second being designated " 0005 " of obtaining from the first radio frequency identification reading device, and suppose being designated " 0001 " of the radio RF identification label 40 that the user to be sought received by the first radio frequency identification reading device holds, namely first radio frequency identification reading device can be designated to first be designated " 0001 " that " 0001 " and second be designated the radio RF identification label 40 that " 0005 " and user to be sought hold and compare, namely comparison can go out the first be designated " 0001 " being designated the radio RF identification label 40 " 0001 " held with user to be sought and be consistent, finding out with region corresponding to " 0001 " that be designated of the radio RF identification label 40 that user to be sought holds thus is " area01 ".
And read link module 12 obtain determined the mark of the radio RF identification label that user to be sought holds after the region that is positioned at, linking of at least one device for image 30 in the region that the mark setting up by the Image chain connection module 13 of data processing end 10 radio RF identification label 40 held with user to be sought is again positioned at, and obtain at least one acquire images from least one device for image 30, and Image chain connection module 15 is in a wired fashion (such as: cable network, the modes such as transmission line) or wireless mode is (such as: wireless network, WIFI, the modes such as mobile network) set up and the linking of at least one device for image 30, be only at this and illustrate, application category of the present invention is not limited to this.
Hold above-mentioned illustrating, suppose to be provided with two device for image 30 in the region " area01 " of the first radio frequency identification reading device, linking of two device for image 30 in the region " area01 " that namely Image chain connection module 13 can be positioned at according to the mark setting up the radio RF identification label 40 held with user to be sought, and two device for image 30 acquisition can arrive acquire images separately, and are supplied to Image chain connection module 13 by by the acquire images captured.
Then, at least one acquire images that can be obtained by recognition module 14 pairs of Image chain connection modules 13 of data processing end 10 carries out human face recognition, the technology of human face recognition please refer to the explanation of prior art, no longer repeat at this, the method of existing human face recognition should be contained within the present invention, and be at least one recognisable image through the result of human face recognition, then, again at least one recognisable image and user's face image to be sought can be compared, and the comparison technology of facial image also can refer to the explanation of prior art, no longer repeat at this, the comparison technology of existing facial image should be contained within the present invention.
Hold above-mentioned illustrating, Image chain connection module 13 is after acquisition two acquire images, namely recognition module 14 can carry out human face recognition to two acquire images respectively, and suppose to pick out the first recognisable image and the second recognisable image in the first acquire images, and the 3rd recognisable image and the 4th recognisable image can be picked out in the second acquire images, then, can again the first recognisable image, the second recognisable image, the 3rd recognisable image and the 4th recognisable image and first user's face image be compared.
When the recognisable image picked out through recognition module 14 is consistent with user's face image comparison to be sought, namely to show at the recognisable image place be consistent with user's face image by the sign module 17 of data processing end 10 and indicate, determine the region at the user place holding radio RF identification label thus, and sign is using word, frame line or the combination of arrow as presenting, be only at this and illustrate, do not limit to application category of the present invention with this.
Then, below will explain function mode of the present invention and flow process with an embodiment, following embodiment is described shown in composition graphs 1 and Fig. 2, Figure 2 shows that the present invention carries out the method flow diagram of missing with radio frequency identification and image identification.
Please refer to shown in Fig. 3, Figure 3 shows that the present invention carries out subregion, the large-scale place floor map of missing with radio frequency identification and image identification.
First in advance large-scale place is divided into multiple region, that for " area01 " and second area 52, for " area02 ", as signal, first area 51 and second area 52 are that the rectangle that formed using dotted line is as presenting using first area 51 in figure 3, and configure the first radio frequency identification reading device 21 in the center of first area 51 and configure the second radio frequency identification reading device 22 in the center of second area 52, and the first radio frequency identification reading device 21 and the second radio frequency identification reading device 22 are be embedded in (step 110) in floor in an embodiment, and the first radio frequency identification reading device 21 and the second radio frequency identification reading device 22 are that the circle that formed using dotted line is as presenting in figure 3, in addition, the first device for image 31 and the second device for image 32 is also configured with in first area 51, the 3rd device for image 33 and the 4th device for image 34 is also configured with in second area 52, be only at this and illustrate, application category of the present invention is not limited to this.
Suppose that some users are when large-scale place obtains radio RF identification label 40, and store in radio RF identification label 40 be designated " 0005 " and user's face image (step 110, namely user when obtaining radio RF identification label 40 by the face image captured by digital camera).
Then, shown in Fig. 3 and Fig. 4, Figure 4 shows that the present invention carries out the system architecture schematic diagram of missing with radio frequency identification and image identification.
When being necessary to search some specific users, namely by the receiver module 11 of data processing end 10 receive search radio RF identification label 40 that the user to be sought of data holds be designated " 0005 " and user's face image (step 120), namely can be set up and the linking of the first radio frequency identification reading device 21 and the second radio frequency identification reading device 22 by the reading link module 12 of data processing end 10, and being designated " 0005 " (step 130) of the radio RF identification label 40 providing the first radio frequency identification reading device 21 and the second radio frequency identification reading device 22 user to be sought to hold.
Namely first radio frequency identification reading device 21 can read in first of first area 51 and be designated " 0015 " and second and be designated " 0001 ", and namely the second radio frequency identification reading device 22 can read in the 3rd of second area 52 is designated " 0005 " and the 4th and is designated " 0021 ".
Then, be designated " 0005 " of the radio RF identification label 40 that the first radio frequency identification reading device 21 can be held according to user to be sought compares, be designated be designated " 0005 " that " 0015 " and second be designated the radio RF identification label 40 that " 0001 " and user to be sought hold to compare first, and the second radio frequency identification reading device 22 can be designated be designated " 0005 " that " 0005 " and the 4th be designated the radio RF identification label 40 that " 0021 " is held with user to be sought compares the 3rd.
Then, namely second radio frequency identification reading device 22 comparison can go out the 3rd be designated " 0005th " being designated the radio RF identification label 40 " 0005 " held with user to be sought and is consistent, and namely can find out the second area 52 being consistent corresponding with being designated of the radio RF identification label 40 that user to be sought holds " 0005 " is thus " area02 " (step 140).
Then, the device for image of second area 52 set by " area02 " due to the second radio frequency identification reading device 22 correspondence is the 3rd device for image 33 and the 4th device for image 34, and namely setting up the second area 52 that being designated of the radio RF identification label 40 held with user to be sought " 0005 " be positioned at by Image chain connection module 13 is linking (step 150) the 3rd device for image 33 and the 4th device for image 34 of " area02 ".
Then, Image chain connection module 13 can obtain the first acquire images 61 from the 3rd device for image 33, and Image chain connection module 13 can obtain the second acquire images 62 (step 150) from the 4th device for image 34, the signal of the first acquire images 61 please refer to shown in Fig. 5 A, and Fig. 5 A is depicted as the present invention carries out missing the first acquire images schematic diagram with radio frequency identification and image identification; The signal of the second acquire images 62 please refer to shown in Fig. 5 B, and Fig. 5 B is depicted as the present invention carries out missing the second acquire images schematic diagram with radio frequency identification and image identification.
Then, the first acquire images 61 that recognition module 14 pairs of Image chain connection modules 13 obtain and the second acquire images 62 carry out human face recognition, the first recognisable image 71 and the second recognisable image 72 can be picked out by the first acquire images 61, and the 3rd recognisable image 73 (step 160) can be picked out by the second acquire images 62.
Then, again to the first recognisable image 71, second recognisable image 72 and the 3rd recognisable image 73 are compared with the 3rd user's face image 74 to be sought respectively, comparison can go out the second recognisable image 72 and be consistent with the 3rd user's face image 74 to be sought, and when the second recognisable image 72 picked out through recognition module 14 is consistent with the 3rd user's face image 74 comparison to be sought, namely sign 75 (step 170) is being shown by indicating module 17 with the second recognisable image 72 place on the first acquire images 61, thus, namely can know that the region at the user place holding radio RF identification label is second area 52.
In sum, difference between known the present invention and prior art is that the present invention is for each user provides user's radio RF identification label in large-scale place, when there being needs to carry out missing in large-scale place, when then can determine that specific radio RF identification label is positioned at some regions by the radio frequency identification reading device arranged in each zone, carry out image capture by the device for image set by this region again and carry out human face recognition, to human face recognition and user's face image comparison to be sought, the tram of user to be sought can be known thus.
Can be solved by this technological means and in large-scale place, carry out the too passive and problem of inefficiency of missing by broadcast system existing for prior art, and then reach and initiatively provide the technique effect efficient carrying out missing in large-scale place.
Although embodiment provided by the present invention as above, described content is also not used to directly limit scope of patent protection of the present invention.Any those skilled in the art, under the prerequisite not departing from the spirit and scope disclosed by the present invention, can do a little change what implement in form and in details.Scope of patent protection of the present invention, still must be as the criterion with the appending claims person of defining.
Claims (10)
1. carry out a system for missing with radio frequency identification and image identification, it is characterized in that, it comprises:
Radio RF identification label, this radio RF identification label stores unique mark and user's face image, and held by user;
Radio frequency identification reading device, this radio frequency identification reading device is configured in each region of large-scale place division, and the mark that this mark of this radio RF identification label held according to user to be sought and this radio frequency identification reading device read in region in all radio frequency labels is compared, to determine the region that this mark of this radio RF identification label that user to be sought holds is positioned at;
At least one device for image, this at least one device for image is configured in each region of large-scale place division; And
Data processing end, this data processing end also comprises:
Receiver module, searches data in order to receive, and wherein this search packet contains this mark and this user's face image of this radio RF identification label that user to be sought holds;
Read link module, this mark of this radio RF identification label providing each radio frequency identification reading device user to be sought to hold, and from this radio frequency identification reading device obtain determined this mark of this radio RF identification label that user to be sought holds the region that is positioned at;
Image chain connection module, linking of this at least one device for image in the region that this mark in order to set up this radio RF identification label held with user to be sought is positioned at, and obtain at least one acquire images from this at least one device for image;
Recognition module, in order to carry out human face recognition to this at least one acquire images, and compares at least one recognisable image picked out and this user's face image to be sought; And
Indicate module, when the recognisable image be identified is consistent with this user's face image comparison to be sought, determine the region at the user place holding this radio RF identification label.
2. system of carrying out missing with radio frequency identification and image identification as claimed in claim 1, it is characterized in that, this sign module determines that the region at the user place holding this radio RF identification label is shown in word, frame line or the combination of arrow the recognisable image place be consistent with this user's face image to be sought to show.
3. system of carrying out missing with radio frequency identification and image identification as claimed in claim 1, it is characterized in that, this radio RF identification label belongs to active wireless radio frequency identification label.
4. as claimed in claim 1 system of carrying out missing with radio frequency identification and image identification, is characterized in that, this reading link module is in a wired fashion or the linking of wireless mode foundation and radio frequency identification reading device.
5. as claimed in claim 1 system of carrying out missing with radio frequency identification and image identification, is characterized in that, this Image chain connection module is in a wired fashion or the linking of wireless mode foundation and this at least one device for image.
6. carry out a method for missing with radio frequency identification and image identification, it is characterized in that, comprise the following step:
In advance large-scale place is divided into multiple region, configure radio frequency identification reading device and at least one device for image in each zone, user obtains radio RF identification label, and this radio RF identification label stores unique mark and user's face image;
Data processing termination is received and is searched data, and wherein this search packet contains this mark and this user's face image of this radio RF identification label that user to be sought holds;
This mark of this radio RF identification label that this data processing end provides each radio frequency identification reading device user to be sought to hold;
The mark that this mark of this radio RF identification label that these radio frequency identification reading devices are held according to user to be sought and this radio frequency identification reading device read in region in all radio frequency labels is compared, to determine the region that this mark of this radio RF identification label that user to be sought holds is positioned at, and by determined this mark of this radio RF identification label that user to be sought holds the region that is positioned at be provided to this data processing end;
Linking of this at least one device for image in the region that this mark that this data processing end sets up this radio RF identification label held with user to be sought is positioned at, and obtain at least one acquire images from this at least one device for image;
This data processing end carries out human face recognition to this at least one acquire images, and at least one recognisable image picked out and this user's face image to be sought is compared; And
When the recognisable image be identified is consistent with this user's face image comparison to be sought, this data processing end determines the region at the user place holding this radio RF identification label.
7. method of carrying out missing with radio frequency identification and image identification as claimed in claim 6, it is characterized in that, when the recognisable image be identified is consistent with this user's face image comparison, determine that the step in the region at the user place holding this radio RF identification label is shown in word, frame line or the combination of arrow the recognisable image place be consistent with this user's face image to be sought to show.
8. method of carrying out missing with radio frequency identification and image identification as claimed in claim 6, it is characterized in that, this radio RF identification label belongs to active wireless radio frequency identification label.
9. method of carrying out missing with radio frequency identification and image identification as claimed in claim 6, it is characterized in that, the step of this mark of this radio RF identification label that this data processing end provides each radio frequency identification reading device user to be sought to hold be in a wired fashion or wireless mode set up and the linking of radio frequency identification reading device.
10. method of carrying out missing with radio frequency identification and image identification as claimed in claim 6, it is characterized in that, the step linked of this at least one device for image in the region that this mark that this data processing end sets up this radio RF identification label held with user to be sought is positioned at be in a wired fashion or wireless mode set up linking of with this at least one device for image.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110421695.7A CN103164673B (en) | 2011-12-15 | 2011-12-15 | System and the method thereof of missing is carried out with radio frequency identification and image identification |
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| CN201110421695.7A CN103164673B (en) | 2011-12-15 | 2011-12-15 | System and the method thereof of missing is carried out with radio frequency identification and image identification |
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| CN103164673B true CN103164673B (en) | 2015-12-16 |
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| CN101136068A (en) * | 2006-08-28 | 2008-03-05 | 柏宇科技股份有限公司 | Built-in radio frequency identification card face shape identification device |
| CN101667254A (en) * | 2008-09-05 | 2010-03-10 | 上海科识通信息科技有限公司 | Radio frequency identification real-time positioning tracking management system and real-time positioning tracking method thereof |
| CN101729695A (en) * | 2009-12-03 | 2010-06-09 | 南京爱尼电子有限公司 | Wired multi-seat paging talkback method and device for reader positioning mobile personnel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050027828A1 (en) * | 2003-07-28 | 2005-02-03 | Fuji Photo Film Co., Ltd. | Information distribution system, server, reading device, and display device |
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| CN101136068A (en) * | 2006-08-28 | 2008-03-05 | 柏宇科技股份有限公司 | Built-in radio frequency identification card face shape identification device |
| CN101667254A (en) * | 2008-09-05 | 2010-03-10 | 上海科识通信息科技有限公司 | Radio frequency identification real-time positioning tracking management system and real-time positioning tracking method thereof |
| CN101729695A (en) * | 2009-12-03 | 2010-06-09 | 南京爱尼电子有限公司 | Wired multi-seat paging talkback method and device for reader positioning mobile personnel |
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