CN212185597U - Schoolbag with identification and management functions - Google Patents

Schoolbag with identification and management functions Download PDF

Info

Publication number
CN212185597U
CN212185597U CN202020896404.4U CN202020896404U CN212185597U CN 212185597 U CN212185597 U CN 212185597U CN 202020896404 U CN202020896404 U CN 202020896404U CN 212185597 U CN212185597 U CN 212185597U
Authority
CN
China
Prior art keywords
schoolbag
identification
machine
schoolbag body
main control
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
Application number
CN202020896404.4U
Other languages
Chinese (zh)
Inventor
龙源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Yemeijia Technology Co ltd
Original Assignee
Shenzhen Yemeijia Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Yemeijia Technology Co ltd filed Critical Shenzhen Yemeijia Technology Co ltd
Priority to CN202020896404.4U priority Critical patent/CN212185597U/en
Application granted granted Critical
Publication of CN212185597U publication Critical patent/CN212185597U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Abstract

The utility model discloses a schoolbag with discernment and managerial function belongs to multi-functional schoolbag field. A schoolbag with identification and management functions comprises a schoolbag body, wherein a book and a writing case are respectively connected in the schoolbag body, and an RFID electronic tag is arranged on the back of the book; the schoolbag body is also internally provided with a flat antenna all-in-one machine which is connected with the RFID electronic tag in an induction way; the top of the schoolbag body is provided with a fixed strap, the bottom of the schoolbag body is provided with an adjustable strap, and the fixed strap and the adjustable strap are connected through a Chinese character 'ri' button; the side surface of the schoolbag body is also provided with an external component, and the outer wall of the top of the schoolbag body is provided with a pull opening; the utility model provides high school is to student's manageability, strengthens student's self-management consciousness, promotes study and entertainment and combines together, tracks student's activity orbit in the school, ensures student's personal security etc. low-cost and low-power consumption, and the practicality is strong.

Description

Schoolbag with identification and management functions
Technical Field
The utility model relates to a multi-functional schoolbag technical field especially relates to a schoolbag with discernment and managerial function.
Background
The century is a major basis for teaching; on the way of great reviving in the direction of maid in China, "youth is strong, then Chinese is strong"; the growth and education problems of primary and secondary school students have been a hot problem in governments, schools, parents, and whole society and for concern.
Through retrieval, the invention with patent application number 201711431536.9 discloses an intelligent student schoolbag system and a using method thereof; the schoolbag system is simple in structure and convenient to operate, realizes non-contact, rapid and accurate detection and counting of books carried by students, and prevents the students from carrying the books wrongly or missing the books; however, in the application of the ultrahigh frequency technology, the core read-write module is limited by market capacity, the quantization cost is high, and meanwhile, in the technical scheme of the intelligent schoolbag using the ultrahigh frequency identification, the function brought by the outside is too single, so that the high cost input is increased, the cost performance is low, and the market popularization is difficult.
Through retrieval, the invention patent with the patent application number of CN201910513873.5 discloses a course-associated intelligent schoolbag, which associates a course table with a course manager arranged in the schoolbag, uses an RFID technology to read and compare electronic tags attached to books, and uses an alarm to remind a user of carrying less books, but the invention uses a low-frequency 125K tag and an identification technology, so that the safety is poor, the identification distance is small, generally 3-5CM, a sensor completely covers a schoolbag area and completely identifies a difficult point, the use is inconvenient, and the market popularization is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problems in the prior art and providing a schoolbag with identification and management functions.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a schoolbag with identification and management functions comprises a schoolbag body, wherein a book and a writing case are respectively connected in the schoolbag body, and an RFID electronic tag is arranged on the back of the book;
the schoolbag body is also internally provided with a flat antenna all-in-one machine which is connected with the RFID electronic tag in an induction way;
the top of the schoolbag body is provided with a fixed strap, the bottom of the schoolbag body is provided with an adjustable strap, and the fixed strap and the adjustable strap are connected through a Chinese character 'ri' button;
the side of the schoolbag body is also provided with an external component, and the outer wall of the top of the schoolbag body is provided with a pull opening.
Preferably, a schoolbag main control machine is further connected in the schoolbag body, and the panel antenna all-in-one machine is electrically connected with the schoolbag main control machine through a communication line.
Preferably, the back of the schoolbag body is provided with a first inner interlayer, and the panel antenna all-in-one machine is connected into the first inner interlayer.
Preferably, a second inner interlayer is arranged in the middle of the schoolbag body, and the panel antenna all-in-one machine is connected into the second inner interlayer.
Preferably, the schoolbag master controller is connected in the first inner interlayer.
Preferably, the fixed back strap is further provided with a controller body, and the controller body is electrically connected with the schoolbag main control machine through a communication line.
Preferably, the external component mainly comprises an external loudspeaker, an external earphone interface and an external charging interface.
Compared with the prior art, the utility model provides a schoolbag with discernment and managerial function possesses following beneficial effect:
1. this schoolbag with discernment and management function, books, stationery box can automatic identification and management: the smart phone can be connected with a Bluetooth module in a schoolbag main control machine through Bluetooth, communicates with the schoolbag and is set, and after the association of the book and courses is realized, the schoolbag has the functions of automatic identification, check and management prompt of the book in the schoolbag; and each school uniform can be added with a low-cost waterproof RFID electronic tag or button tag, personal information or a student's address number related to the student is written into the electronic tag or is associated with the tag card ID when the school uniform is issued, and a student database of the school uniform is established in a background server; acquiring personal information of a label in school uniform by means of a smart phone and a flat antenna integrated machine in a schoolbag; or the personal information of school uniforms can be identified by arranging the self-service identification machine in the public service area of the school.
2. The schoolbag with the identification and management functions comprises a student schoolbag body, books, a writing case, a schoolbag main control computer, a panel antenna all-in-one machine, an RFID electronic tag, a controller body, a background server, relevant application software and the like; the book and writing case automatic identification and management, unlike some cases, we adopt 13.56MHZRFID radio frequency technology, the above-mentioned UHF ultrahigh frequency identification and low frequency 125K identification used are different, 13.56MHZThe electronic tag with the frequency can write more information, has better confidentiality and safety, supports the simultaneous reading of a plurality of tags and has high speed; the difficulty of the method is that the identification distance and the identification range are related to the power of a reader-writer, the problem of missed reading caused by high overlapping of labels in an area needing to be identified is solved, therefore, the computing capability of an anti-collision algorithm of multiple labels is enhanced in the system, label readers can be divided into small power of about 0.2W, medium power of about 1.0-1.5W and high power of 1-8W according to the power, different powers and prices are greatly different, low-cost integrated small-power readers are adopted, not only can the books, stationery boxes and other articles in a schoolbag body be rapidly and automatically identified at the same time, but also the cost can be reduced, so that the schoolbag has higher competitiveness, a large number of experiments are carried out on the panel antenna all-in-one machine, the structure of the antenna is optimized, an anti-collision algorithm is enhanced, therefore, the full-coverage automatic identification of the electronic tag in the schoolbag area can be realized by equipping the integrated low-power reader-writer.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model provides high school is to student's manageability, strengthens student's self-management consciousness, promotes study and entertainment and combines together, tracks student's activity track in the school, ensures student's personal safety etc. low-cost and low-power consumption, and the practicality is strong.
Drawings
Fig. 1 is a schematic structural diagram of a front side of a schoolbag with identification and management functions provided by the present invention;
fig. 2 is a schematic structural view of a back side of a schoolbag with identification and management functions provided by the present invention;
fig. 3 is a schematic structural diagram of the inside of the schoolbag with the functions of identification and management provided by the present invention;
fig. 4 is a schematic structural diagram of a side surface of a schoolbag with identification and management functions provided by the present invention;
fig. 5 is a schematic structural diagram of the schoolbag RFID tag with identification and management functions provided by the present invention.
In the figure: 1. a schoolbag master controller; 2. a flat antenna all-in-one machine; 3. a controller body; 4. an external component; 401. an external loudspeaker; 402. an external earphone interface; 403. an external charging interface; 5. a schoolbag body; 501. a book; 502. a writing case; 503. a first inner barrier layer; 504. a second inner interlayer; 505. an RFID electronic tag; 6. fixing the braces; 601. adjustable braces; 602. a Chinese character 'ri' button.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Example 1:
referring to fig. 1-5, a schoolbag with identification and management functions comprises a schoolbag body 5, wherein a book 501 and a writing case 502 are respectively connected in the schoolbag body 5, and an RFID electronic tag 505 is arranged on the back of the book 501;
the schoolbag body 5 is also internally provided with a flat antenna integrated machine 2, and the flat antenna integrated machine 2 is connected with an RFID electronic tag 505 in an induction way;
the top of the schoolbag body 5 is provided with a fixed strap 6, the bottom of the schoolbag body 5 is provided with an adjustable strap 601, and the fixed strap 6 and the adjustable strap 601 are connected through a Chinese character 'ri' button 602;
the side of the schoolbag body 5 is also provided with an external component 4, and the outer wall of the top of the schoolbag body 5 is provided with a pull opening 506.
The schoolbag main control machine 1 is further connected in the schoolbag body 5, and the flat antenna integrated machine 2 is electrically connected with the schoolbag main control machine 1 through a communication line.
The back of the schoolbag body 5 is provided with a first inner interlayer 503, and the panel antenna integrated machine 2 is connected in the first inner interlayer 503.
The schoolbag main control machine 1 is connected in the first inner interlayer 503.
The fixing straps 6 are also provided with a controller body 3, and the controller body 3 is electrically connected with the schoolbag main control machine 1 through a communication line.
The external component 4 mainly comprises an external loudspeaker 401, an external earphone interface 402 and an external charging interface 403, and is electrically connected with the schoolbag main control computer 1 through a wire, so that the external loudspeaker 401 can send out reminding sound, the external earphone interface 402 can be connected with an earphone, the external charging interface 403 is convenient to learn and charge.
The utility model discloses in, schoolbag main control machine 1 is inside to contain following functional module:
1. a Bluetooth module: receiving and analyzing signals sent by the Bluetooth positioning transmitter; when the schoolbag main control machine receives the signal sent by the Bluetooth positioning, the analytic result is analyzed and sent to the background server database through the GPRS network for matching, and corresponding position information is found to realize the Bluetooth positioning.
A WIFI module: the system is used for detecting and receiving signals sent by other external WIFI equipment, when the schoolbag main control computer receives a WIFI signal at a certain position, the analysis is carried out, an analysis result is sent to the background server through the GPRS network, the background server is accessed to a third-party data service, the database is matched, corresponding position information is found, and WIFI positioning is achieved.
GPRS network communication: the schoolbag master control machine 1 internally comprises a 2G communication module, a low-cost internet of things card is used or only the internet can be connected, an external background server is connected to realize instant communication, in case of emergency or emergency, an SOS key of a controller panel is started, position information and help seeking information are sent to the background server, background application software is sent to an associated intelligent mobile phone of a teacher, a parent or a guardian terminal user through a small program and the like, the user can even call an electronic navigation map of a platform to inquire and navigate, 2G network voice communication is supported under the condition of configuring a communication card, and 4G mobile phone card communication service needs to be started.
Learning function of MP3 play module 9: the main machine of the schoolbag main control machine 1 is connected with the controller body 3 through a second communication line 301, and can also adopt wireless connection, and the MP3 playing of the main machine can be controlled by functional keys on the controller body 3 to turn on or off the machine, play, pause, previous song, next song and the like.
Books, stationery box can automatic identification and management: the method is characterized in that UID automatic identification is rapidly and accurately carried out on books with RFID electronic tags 505 pasted in the schoolbag, a smart phone can be connected with a Bluetooth module in a schoolbag main control machine 1 through Bluetooth, and is communicated with the schoolbag and set, and after association of the books and courses is realized, the schoolbag has functions of automatic identification, examination and management prompting of the books in the schoolbag; and each school uniform can be added with a low-cost waterproof RFID electronic tag 505 label or a button label, when the school uniform is issued, personal information or a student's address number related to the student is written into the electronic tag or is associated with the ID of the tag card, and a student database of the school uniform is established in a background server; acquiring personal information of a label in school uniform by means of a smart phone and a flat antenna integrated machine in a schoolbag; or the personal information of school uniforms can be identified by arranging the self-service identification machine in the public service area of the school.
The utility model discloses a system comprises a student schoolbag body 5, a book 501, a writing case 502, a schoolbag main control machine 1, a flat antenna integrated machine 2, an RFID electronic tag 505, a controller body 3, a background server, relevant application software and the like; book 501, writing case 502 automatic identification and management, different from some cases above, we adopt 13.56MHZ RFID radio frequency technology, the above-mentioned UHF ultrahigh frequency identification and low frequency 125K identification used are different, the information amount that the electronic label of 13.56MHZ frequency can write into is more, it is better to keep secret and security, support the multiple label to read and fast at the same time; the difficulty of the method is that the identification distance and the identification range are related to the power of a reader-writer, the problem of missed reading caused by high overlapping of labels in an area needing to be identified is solved, therefore, the computing capability of an anti-collision algorithm of multiple labels is enhanced in the system, label readers can be divided into small power of about 0.2W, medium power of about 1.0-1.5W and high power of 1-8W according to the power, different powers and prices are greatly different, low-cost integrated small-power readers are adopted, not only can the books 501, the writing cases 502 and other articles in the schoolbag body 5 be rapidly and automatically identified at the same time, but also the cost can be reduced, so that the schoolbag has higher competitiveness, a large number of experiments are carried out on the panel antenna all-in-one machine 2, the structure of the antenna is optimized, the anti-collision algorithm is enhanced, therefore, the full-coverage automatic identification of the electronic tag in the schoolbag area can be realized by equipping the integrated low-power reader-writer.
Example 2:
referring to fig. 1-5, a schoolbag with identification and management functions comprises a schoolbag body 5, wherein a book 501 and a writing case 502 are respectively connected in the schoolbag body 5, and an RFID electronic tag 505 is arranged on the back of the book 501;
the schoolbag body 5 is also internally provided with a flat antenna integrated machine 2, and the flat antenna integrated machine 2 is connected with an RFID electronic tag 505 in an induction way;
the top of the schoolbag body 5 is provided with a fixed strap 6, the bottom of the schoolbag body 5 is provided with an adjustable strap 601, and the fixed strap 6 and the adjustable strap 601 are connected through a Chinese character 'ri' button 602;
the side of the schoolbag body 5 is also provided with an external component 4, and the outer wall of the top of the schoolbag body 5 is provided with a pull opening 506.
The schoolbag main control machine 1 is further connected in the schoolbag body 5, and the flat antenna integrated machine 2 is electrically connected with the schoolbag main control machine 1 through a communication line.
The middle part of the schoolbag body 5 is provided with a second inner interlayer 504, and the panel antenna all-in-one machine 2 is connected in the second inner interlayer 504.
The schoolbag main control machine 1 is connected in the first inner interlayer 503.
The fixing straps 6 are also provided with a controller body 3, and the controller body 3 is electrically connected with the schoolbag main control machine 1 through a communication line.
The external component 4 mainly includes an external speaker 401, an external earphone interface 402, and an external charging interface 403.
In the utility model, each RFID electronic tag 505 corresponds to a unique UID, which can realize information writing and storage, encryption, reading and repeated erasing and writing operations, one RFID electronic tag 505 is pasted on the inner page of the back cover of each book, the RFID electronic tag 505 is pasted on the non-metal surface of the writing case 502 or the writing bag, and the information in the tag can be written in or read in a non-contact way through the flat antenna integrated machine 2; the panel antenna all-in-one machine 2 comprises two RFID radio frequency antenna arrays and a low-power read-write module; controlled by the schoolbag master control machine 1, RFID electronic tags of books 501 and writing cases 502 in the schoolbag are sensed and identified in a non-contact mode, UID and related information in the tags are read, and the UID and the related information are transmitted to the schoolbag master control machine for processing; the schoolbag main control machine 1 is connected with the panel antenna all-in-one machine 2 through a communication line to realize bidirectional communication and data transmission, the schoolbag main control machine 1 controls the label reading operation of the panel antenna all-in-one machine 2, and the collected label information is further operated and processed; the client smart phone can perform Bluetooth connection communication with the schoolbag main control machine 1 through a Bluetooth module 7, and initialization setting, data exchange and other operations are performed on the schoolbag main control machine by using specially developed smart phone client APP software; the controller body 3 is provided with function keys and switches, is connected with the schoolbag main control machine 1 through a second communication line 301, can send instructions to the schoolbag main control machine 1 to carry out function operation, is fixed on a schoolbag chest and shoulder strap by additionally arranging a clip, can also select a wireless remote control mode, and is convenient and flexible.
The specific implementation mode is as follows:
the first step is as follows: each book is provided with a self-adhesive RFID electronic tag 505 on the inner page of the back cover, the reference size is about 45 x 45mm, the nonmetal writing case 502 or the writing case bag is provided with a tag, and each tag corresponds to a unique UID number and can be numbered by itself;
the second step is that: the flat antenna integrated machine 2 is connected to the schoolbag main control machine 1 through a communication line, the book main control machine is opened, and a prompt tone is heard to indicate that the communication connection is normal;
the third step: starting a connection function of the smart phone Bluetooth device at the client, connecting to a schoolbag main control computer, and hearing a prompt that the connection is successful; opening APP software which is installed with customized development on the smart phone, and entering an initialization interface to wait for reading a tag;
the fourth step: a book is placed on the flat antenna integrated machine 2, the flat antenna integrated machine 2 reads information and UID in the label and transmits data to the schoolbag main control machine 1, the schoolbag main control machine 1 transmits the data and the UID in the RFID electronic label to the smart phone through the Bluetooth module, a user can use the UID of the electronic label to associate the book name or the user-defined number A and the like at the mobile phone end, the operation is repeated for multiple times, and the association of each RFID electronic label UID and the corresponding book is completed one by one and the storage is confirmed;
the fifth step: after data association and confirmation storage are completed, classifying and grouping the acquired data, or entering course setting function options at an APP software at the smart phone end, and enabling a user to set a course according to a student's course table;
and a sixth step: the smart phone transmits the association database completed in the fifth step to the schoolbag main control computer 1 through Bluetooth communication and stores the association database on the smart phone;
after the steps are completed, the identification management function of the intelligent schoolbag can be normally realized: the schoolbag main control machine 1 and the flat antenna integrated machine 2 are placed into a schoolbag body 5, and the reference size of the flat antenna integrated machine 2 is as follows: 340 mm and 240 mm, connecting the panel antenna integrated machine 2 to a schoolbag main control machine 1 by using a communication line, fixing the controller body 3 on a fixed strap 6 by using a clip, connecting the schoolbag main control machine 1 by the communication line stored on the fixed strap 6, thus completing the connection of system hardware, and finally putting the book 501 and the writing case 502 which are pasted with the RFID electronic tag 505 into a bag to wait for detection.
The positioning and attendance checking function is an important characteristic of the multifunctional schoolbag, can improve the management level of a school to students, is a safety protection measure, and is necessary for teachers and parents of the school to know the dynamics of the students.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A schoolbag with identification and management functions comprises a schoolbag body (5), and is characterized in that a book (501) and a writing case (502) are respectively connected in the schoolbag body (5), and an RFID electronic tag (505) is arranged on the back of the book (501);
the schoolbag body (5) is also internally provided with a flat antenna all-in-one machine (2), and the flat antenna all-in-one machine (2) is connected with an RFID electronic tag (505) in an induction manner;
the top of the schoolbag body (5) is provided with a fixed strap (6), the bottom of the schoolbag body (5) is provided with an adjustable strap (601), and the fixed strap (6) is connected with the adjustable strap (601) through a Chinese character 'ri' button (602);
the schoolbag is characterized in that an external component (4) is further arranged on the side face of the schoolbag body (5), and a pull opening (506) is formed in the outer wall of the top of the schoolbag body (5).
2. The schoolbag with the identification and management functions as claimed in claim 1, wherein a schoolbag main control machine (1) is further connected in the schoolbag body (5), and the flat antenna integrated machine (2) is electrically connected with the schoolbag main control machine (1) through a communication line.
3. The schoolbag with the identification and management functions as claimed in claim 2, wherein a first inner interlayer (503) is arranged on the back face of the schoolbag body (5), and the panel antenna all-in-one machine (2) is connected in the first inner interlayer (503).
4. The schoolbag with the identification and management functions as claimed in claim 2, wherein a second inner interlayer (504) is arranged in the middle of the schoolbag body (5), and the panel antenna all-in-one machine (2) is connected in the second inner interlayer (504).
5. A bag with identification and management functions as claimed in claim 3, wherein the bag master controller (1) is connected in the first internal interlayer (503).
6. The schoolbag with identification and management functions as claimed in claim 1, wherein a controller body (3) is further arranged on the fixing straps (6), and the controller body (3) is electrically connected with a schoolbag main control computer (1) through a communication line.
7. The schoolbag with the functions of identification and management as claimed in claim 1, wherein the external component (4) mainly comprises an external speaker (401), an external earphone interface (402) and an external charging interface (403).
CN202020896404.4U 2020-05-25 2020-05-25 Schoolbag with identification and management functions Active CN212185597U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020896404.4U CN212185597U (en) 2020-05-25 2020-05-25 Schoolbag with identification and management functions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020896404.4U CN212185597U (en) 2020-05-25 2020-05-25 Schoolbag with identification and management functions

Publications (1)

Publication Number Publication Date
CN212185597U true CN212185597U (en) 2020-12-22

Family

ID=73813526

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020896404.4U Active CN212185597U (en) 2020-05-25 2020-05-25 Schoolbag with identification and management functions

Country Status (1)

Country Link
CN (1) CN212185597U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111616493A (en) * 2020-05-25 2020-09-04 深圳晔镁佳科技有限公司 Multifunctional schoolbag based on radio frequency technology and Internet of things wireless communication technology

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111616493A (en) * 2020-05-25 2020-09-04 深圳晔镁佳科技有限公司 Multifunctional schoolbag based on radio frequency technology and Internet of things wireless communication technology

Similar Documents

Publication Publication Date Title
CN206657373U (en) Smart card
KR100974103B1 (en) Portable device comprising a communication station configuration and a data carrier configuration
Konatham et al. Attendance generating system using RFID and GSM
CN101968854A (en) RFID method and device for animal traceability management
CN103870856A (en) Radio frequency identification technology-based micro personal object management intelligent system and method
CN212185597U (en) Schoolbag with identification and management functions
CN202662037U (en) Rapid book retrieval system
CN201378412Y (en) Electronic self-help tourist guide system
CN106372860A (en) Portable learning material regularly reminding device for pupils
CN107590519A (en) A kind of player method of multimedia file, device and computer-readable recording medium
JP2001097512A (en) Article control system
CN210442834U (en) Campus classroom informatization system
CN214156479U (en) Schoolbag with positioning function
CN206564042U (en) A kind of Intelligent music learning and trainer
CN111616493A (en) Multifunctional schoolbag based on radio frequency technology and Internet of things wireless communication technology
CN211479352U (en) Wisdom education student uses identification card
CN209357096U (en) Beidou positions multifunctional student campus card
CN106878544A (en) A kind of mobile terminal and the method for control call
CN207302022U (en) Split type job-oriented terminal
CN206162640U (en) Intelligent student card
CN209895526U (en) RFID-based cognitive education system for children
CN101593374A (en) Electronic patrol system and method thereof
JPH11511271A (en) Pocket interface unit for smart disk
CN219676558U (en) Lattice pen rack and lattice pen system
JP2001259112A (en) Shogi (japanese chess) set

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant