CN111167097A - ZigBee network-based VR ice climbing machine multi-person competition mode realization device - Google Patents

ZigBee network-based VR ice climbing machine multi-person competition mode realization device Download PDF

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Publication number
CN111167097A
CN111167097A CN201911229007.XA CN201911229007A CN111167097A CN 111167097 A CN111167097 A CN 111167097A CN 201911229007 A CN201911229007 A CN 201911229007A CN 111167097 A CN111167097 A CN 111167097A
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China
Prior art keywords
data
ice climbing
zigbee
ice
competitor
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CN201911229007.XA
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Chinese (zh)
Inventor
刘子源
曾莹莹
程卓
董范
张毅恒
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Wuhan Zhongdi Panhang Education Technology Co Ltd
China University of Geosciences
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Wuhan Zhongdi Panhang Education Technology Co Ltd
China University of Geosciences
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Priority to CN201911229007.XA priority Critical patent/CN111167097A/en
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    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B69/00Training appliances or apparatus for special sports
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0616Means for conducting or scheduling competition, league, tournaments or rankings
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B71/0622Visual, audio or audio-visual systems for entertaining, instructing or motivating the user
    • A63B2071/0638Displaying moving images of recorded environment, e.g. virtual environment

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Human Computer Interaction (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention provides a device for realizing a VR ice climbing machine multi-person competition mode based on a ZigBee network, which comprises: the system comprises a data acquisition device, ZigBee terminal nodes, a ZigBee router, a ZigBee coordinator and a PC (personal computer); the data acquisition device is connected with the ZigBee terminal node; the ZigBee coordinator is connected with the ZigBee terminal node through the ZigBee router; the PC is connected with the ZigBee coordinator; the invention has the beneficial effects that: the ZigBee network is utilized to process the data of the ice climber in the simulated ice climbing machine in the multi-person competition mode, and real-time acquisition, transmission, comparison and feedback of the data in the competition mode are realized, so that the ice climber can know the relevant data in the competition process, the competition authenticity is enhanced, and the ice climber can better simulate ice climbing experience.

Description

ZigBee network-based VR ice climbing machine multi-person competition mode realization device
Technical Field
The invention relates to the field of virtual reality, in particular to a device for realizing a VR ice climbing machine multi-person competition mode based on a ZigBee network.
Background
At present, the real feeling in the process of simulating ice climbing by using relevant equipment such as an ice climbing simulation machine and the like is not popularized yet, and particularly the real experience feeling in a mode of simulating a multi-person competition of the ice climbing simulation machine by using a relevant technology is not realized yet.
Disclosure of Invention
The invention aims to improve the real experience of the multi-person competition of the existing ice climbing machine, and provides a device for realizing the VR ice climbing machine multi-person competition mode based on a ZigBee network, which specifically comprises the following steps:
the system comprises a plurality of ice climbing shoes, a data acquisition device, ZigBee terminal nodes, a ZigBee router, a ZigBee coordinator and a PC (personal computer);
the number of the data acquisition devices corresponds to that of the ice climbing shoes, the data acquisition devices are respectively installed on the ice climbing shoes of each competitor, and each data acquisition device is respectively communicated with the ZigBee terminal node through a wireless network; the ZigBee coordinator is communicated with the ZigBee terminal node through the ZigBee router; the PC is electrically connected with the ZigBee coordinator;
each data acquisition device respectively acquires ice climbing data corresponding to ice climbing shoes, and transmits the acquired ice climbing data to the ZigBee coordinator through the ZigBee terminal nodes and the ZigBee router for gathering to obtain gathered ice climbing data; the ice climbing data includes: velocity, acceleration, and three-dimensional spatial position;
the ZigBee coordinator sends the collected ice climbing data to the PC, and the PC compares the collected ice climbing data to obtain result data of all competitors; the result data for each competitor includes: the current ice climbing data of the competitor is the ice climbing data with the speed ahead of the prior one of the competitor and the ice climbing data with the speed behind the latter one of the competitor.
Further, the device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network further comprises: VR glasses and naked eye liquid crystal screens;
the VR glasses and the naked eye liquid crystal screen are both provided with wireless receiving modules; the PC is provided with a wireless transmitting module, and the result data are respectively transmitted to the VR glasses and the naked eye liquid crystal screen through the wireless transmitting module and the wireless receiving module, so that a competitor can see the corresponding result data through the VR glasses and the naked eye liquid crystal screen.
Further, the data acquisition device is an attitude sensor.
Further, the PC machine body communicates with the ZigBee coordinator through RS 232.
Furthermore, the number of the ZigBee terminal nodes is consistent with that of the data acquisition devices, and each ZigBee terminal node is communicated with the ZigBee coordinator by the ZigBee router by adopting a ZStack protocol.
Further, the specific working principle of the device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network is as follows:
s101: each attitude sensor respectively collects ice climbing data of a corresponding competitor in an ice climbing machine competition simulation mode and respectively transmits the ice climbing data to the corresponding ZigBee terminal nodes;
s102: the ZigBee terminal node transmits all the ice climbing data to the ZigBee coordinator through the ZigBee router by adopting a ZStack protocol, and the ZigBee coordinator collects all the ice climbing data to obtain collected ice climbing data;
s103: the ZigBee coordinator is communicated with the PC through RS232 and transmits the collected ice climbing data to the PC;
s104: the PC compares the collected ice climbing data to obtain result data corresponding to all competitors, and sends the result data corresponding to each competitor to VR glasses and naked eye liquid crystal screens of each competitor through a wireless sending module;
s105: and the wireless receiving modules of the VR glasses and the naked eye liquid crystal screen receive the result data so as to obtain the relevant information of the VR glasses and the naked eye liquid crystal screen in the competition process, and improve the competition experience of the VR glasses and the naked eye liquid crystal screen.
In step S104, the PC compares the collected ice climbing data to obtain result data corresponding to all competitors, and the specific method includes:
s201: the PC sorts all ice climbing data in the summarized ice climbing data from small to large, and labels are sequentially carried out on the ice climbing data from 1; specifically, the speed in each ice climbing data is compared; obtaining the sorted summary ice climbing data;
s202: the PC machine sends the ith-1 ice climbing data, the (i + 1) th ice climbing data and the ith ice climbing data as result data of a competitor corresponding to the ith ice climbing data to VR glasses and a naked eye liquid crystal screen of the competitor corresponding to the ith ice climbing data; wherein i is a label corresponding to each ice climbing data, and i is 1, …, n; n is the total number of competitors.
The technical scheme provided by the invention has the beneficial effects that: the ZigBee network is utilized to process the data of the ice climber in the simulated ice climbing machine in the multi-person competition mode, and real-time acquisition, transmission, comparison and feedback of the data in the competition mode are realized, so that the ice climber can know the relevant data in the competition process, the competition authenticity is enhanced, and the ice climber can better simulate ice climbing experience.
Drawings
Fig. 1 is a structural diagram of an implementation device of a VR ice climbing machine multi-player competition mode based on a ZigBee network in an embodiment of the present invention;
fig. 2 is a work flow chart of an implementation device of a VR ice climbing machine multi-person competition mode based on a ZigBee network in the embodiment of the present invention;
fig. 3 is a PC data processing flow chart of an implementation apparatus for a VR ice climbing machine multi-player competition mode based on a ZigBee network in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides an apparatus for implementing a VR ice climbing machine multi-person competition mode based on a ZigBee network, including:
the system comprises a plurality of ice climbing shoes, a data acquisition device 1, a ZigBee terminal node 2, a ZigBee router 3, a ZigBee coordinator 4 and a PC (personal computer) 5;
the number of the data acquisition devices 1 corresponds to that of the ice climbing shoes, the data acquisition devices are respectively installed on the ice climbing shoes of each competitor, and each data acquisition device 1 is respectively communicated with the ZigBee terminal node 2 through a wireless network; the ZigBee coordinator 4 communicates with the ZigBee terminal node 2 through the ZigBee router 3; the PC 5 is electrically connected with the ZigBee coordinator 4;
each data acquisition device 1 respectively acquires ice climbing data corresponding to ice climbing shoes, and transmits the acquired ice climbing data to the ZigBee coordinator 4 through the ZigBee terminal nodes 2 and the ZigBee routers 3 for gathering to obtain gathered ice climbing data; the ice climbing data includes: velocity, acceleration, and three-dimensional spatial position;
the ZigBee coordinator 4 sends the collected ice climbing data to the PC 5, and the PC 5 compares the collected ice climbing data to obtain result data of all competitors; the result data for each competitor includes: the current ice climbing data of the competitor is the ice climbing data with the speed ahead of the prior one of the competitor and the ice climbing data with the speed behind the latter one of the competitor.
The utility model provides a VR ice shaver machine many people of based on zigBee network compete the realization device of mode, still includes: VR glasses and naked eye liquid crystal screens;
the VR glasses and the naked eye liquid crystal screen are both provided with wireless receiving modules; the PC 5 is provided with a wireless transmitting module, and the result data are respectively transmitted to the VR glasses and the naked eye liquid crystal screen through the wireless transmitting module and the wireless receiving module, so that competitors can see the corresponding result data through the VR glasses and the naked eye liquid crystal screen.
The data acquisition device 1 is an attitude sensor.
The PC 5 is communicated with the ZigBee coordinator 4 through RS 232.
The number of the ZigBee terminal nodes 2 is the same as that of the data acquisition devices 1, and each ZigBee terminal node 2 is communicated with the ZigBee coordinator 4 through the ZigBee router 3 by adopting a ZStack protocol.
Referring to fig. 2, fig. 2 is a flowchart illustrating a device for implementing a multi-player competition mode of a VR ice climbing machine based on a ZigBee network according to an embodiment of the present invention; the device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network has the following specific working principle:
s101: each attitude sensor respectively collects ice climbing data of a corresponding competitor in an ice climbing machine competition simulation mode and respectively transmits the ice climbing data to the corresponding ZigBee terminal node 2;
s102: the ZigBee terminal node 2 transmits all the ice climbing data to the ZigBee coordinator 4 through the ZigBee router 3 by adopting a ZStack protocol, and the ZigBee coordinator 4 collects all the ice climbing data to obtain collected ice climbing data;
s103: the ZigBee coordinator 4 is communicated with the PC 5 through RS232, and transmits the collected ice climbing data to the PC 5;
s104: the PC 5 compares the collected ice climbing data to obtain result data corresponding to all competitors, and sends the result data corresponding to each competitor to VR glasses and naked eye liquid crystal screens of each competitor through a wireless sending module;
s105: and the wireless receiving modules of the VR glasses and the naked eye liquid crystal screen receive the result data so as to obtain the relevant information of the VR glasses and the naked eye liquid crystal screen in the competition process, and improve the competition experience of the VR glasses and the naked eye liquid crystal screen.
Referring to fig. 3, fig. 3 is a data processing flow chart of a PC of an apparatus for implementing a VR ice climbing machine multi-person competition mode based on a ZigBee network according to an embodiment of the present invention; in step S104, the PC 5 compares the collected ice climbing data to obtain result data corresponding to all competitors, and the specific method includes:
s201: the PC 5 sorts all ice climbing data in the summarized ice climbing data from small to large, and labels are sequentially carried out on the ice climbing data from 1; specifically, the speed in each ice climbing data is compared; obtaining the sorted summary ice climbing data;
s202: the PC 5 sends the ith-1 ice climbing data, the (i + 1) th ice climbing data and the ith ice climbing data as result data of a competitor corresponding to the ith ice climbing data to VR glasses and a naked eye liquid crystal screen of the competitor corresponding to the ith ice climbing data; wherein i is a label corresponding to each ice climbing data, and i is 1, …, n; n is the total number of competitors.
The following are exemplified: a, B, C three persons in the first ice climbing competitor, namely three double ice climbing shoes, wherein the front parts of the double ice climbing shoes are provided with attitude sensors, and each attitude sensor detects ice climbing data of the ice climbing competitor;
a Current Ice climb data are: speed 20m/s and acceleration 23m/s2The current three-dimensional space position is (1,0, 0);
b the current ice climbing data are: speed 10m/s and acceleration 47m/s2The current three-dimensional space position is (6,0, 0);
c the current ice climbing data is as follows: speed of 30m/s and acceleration of 55m/s2The current three-dimensional space position is (3,0, 0);
A. b, C, the ice climbing data of each competitor are sent to the ZigBee terminal nodes and then sent to the ZigBee coordinator through the ZigBee router to form summary ice climbing data; summary ice climbing data format is as follows:
speed array: 20. 10, 30; acceleration array 23, 47, 55, three-dimensional space array: (1,0,0), (6,0,0), (3,0, 0); the three arrays jointly form summary ice climbing data;
the collected ice climbing data are sent to a PC, and the PC sorts the speed according to the speed number group from small to large to obtain result data which are to be sent to VR glasses and a naked eye liquid crystal display of each competitor.
The velocity array is originally: (20, 10, 30) which are (10, 20, 30) after being sorted; then
The result data that should be sent to Competor A are:
ice climbing data of competitors with speed behind A, namely ice climbing data of B: speed 10m/s and acceleration 47m/s2The current three-dimensional space position is (6,0, 0);
ice climbing data for a itself: speed 20m/s and acceleration 23m/s2The current three-dimensional space position is (1,0, 0);
the ice climbing data of competitors with the speed ahead of A, namely the ice climbing data of C: speed of 30m/s and acceleration of 55m/s2The current three-dimensional space position is (3,0, 0);
therefore, the A can obtain the relevant information of the A and the relevant information of the opponent in the competition, obtain the competition experience in the VR ice climbing competition, and adjust the competition strategy according to the information of the competitors before and after the A.
According to the same rule, the result data to be sent to competitor B are:
ice climbing data for competitors with a speed behind B: none, meaning B is the last name of speed;
b self ice climbing data: speed 10m/s and acceleration 47m/s2The current three-dimensional space position is (6,0,0)
The ice climbing data of a competitor with the speed ahead of B, namely the ice climbing data of A: speed 20m/s and acceleration 23m/s2The current three-dimensional space position is (1,0, 0);
therefore, the B can obtain the relevant information of the B in the competition and the relevant information of the opponent, obtain the competition experience in the VR ice climbing competition, and adjust the competition strategy according to the information of the competitors before and after the VR ice climbing competition.
The result data that should be sent to competitor C are:
ice climbing data for competitors with speed behind C: i.e. ice climbing data of competitor a: speed 20m/s and acceleration 23m/s2The current three-dimensional space position is (1,0, 0);
ice climbing data for C itself: speed of 30m/s and acceleration of 55m/s2The current three-dimensional space position is (3,0, 0);
ice climbing data for competitors with a speed ahead of C: none, i.e. C is the first name of speed;
therefore, C can obtain the relevant information of the competition and the relevant information of the opponent in the competition, obtain the competition experience in the VR ice climbing competition, and adjust the competition strategy according to the information of the competitors before and after the competition.
The invention has the beneficial effects that: the ZigBee network is utilized to process the data of the ice climber in the simulated ice climbing machine in the multi-person competition mode, and real-time acquisition, transmission, comparison and feedback of the data in the competition mode are realized, so that the ice climber can know the relevant data in the competition process, the competition authenticity is enhanced, and the ice climber can better simulate ice climbing experience.
In this document, the terms front, back, upper and lower are used to define the positions of the devices in the drawings and the positions of the devices relative to each other, and are used for the sake of clarity and convenience in technical solution. It is to be understood that the use of the directional terms should not be taken to limit the scope of the claims.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (8)

1. The utility model provides a VR climbs realization device that ice maker many people compete the mode based on zigBee network which characterized in that: the method specifically comprises the following steps: the system comprises a plurality of ice climbing shoes, a data acquisition device (1), ZigBee terminal nodes (2), a ZigBee router (3), a ZigBee coordinator (4) and a PC (personal computer) (5);
the number of the data acquisition devices (1) corresponds to that of the ice climbing shoes, the data acquisition devices are respectively installed on the ice climbing shoes of each competitor, and each data acquisition device (1) is respectively communicated with the ZigBee terminal node (2) through a wireless network; the ZigBee coordinator (4) is communicated with the ZigBee terminal node (2) through the ZigBee router (3); the PC (5) is electrically connected with the ZigBee coordinator (4);
each data acquisition device (1) respectively acquires ice climbing data corresponding to ice climbing shoes, and transmits the acquired ice climbing data to the ZigBee coordinator (4) through the ZigBee terminal nodes (2) and the ZigBee routers (3) for gathering to obtain gathered ice climbing data; the ice climbing data includes: velocity, acceleration, and three-dimensional spatial position;
the ZigBee coordinator (4) sends the collected ice climbing data to the PC (5), and the PC (5) compares the collected ice climbing data to obtain result data of all competitors; the result data for each competitor includes: the current ice climbing data of the competitor is the ice climbing data with the speed ahead of the prior one of the competitor and the ice climbing data with the speed behind the latter one of the competitor.
2. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 1, wherein: the utility model provides a VR ice shaver machine many people of based on zigBee network compete the realization device of mode, still includes: VR glasses and naked eye liquid crystal screens;
the VR glasses and the naked eye liquid crystal screen are both provided with wireless receiving modules; the PC (5) is provided with a wireless transmitting module, and the result data are respectively transmitted to the VR glasses and the naked eye liquid crystal screen through the wireless transmitting module and the wireless receiving module, so that competitors can see the corresponding result data through the VR glasses and the naked eye liquid crystal screen.
3. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 1, wherein: the data acquisition device (1) is an attitude sensor.
4. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 3, wherein: the attitude sensor is mounted on the front part of the ice climbing shoe.
5. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 1, wherein: the PC (5) is communicated with the ZigBee coordinator (4) through RS 232.
6. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 1, wherein: the number of the ZigBee terminal nodes (2) is the same as that of the data acquisition devices (1), and each ZigBee terminal node (2) is communicated with the ZigBee coordinator (4) through the ZigBee router (3) by adopting a ZStack protocol.
7. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in any one of claims 1 to 6, wherein: the device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network has the following specific working principle:
s101: each attitude sensor respectively collects ice climbing data of a corresponding competitor in an ice climbing simulation competition mode and respectively transmits the ice climbing data to the corresponding ZigBee terminal node (2);
s102: the ZigBee terminal node (2) transmits all the ice climbing data to the ZigBee coordinator (4) through the ZigBee router (3) by adopting a ZStack protocol, and the ZigBee coordinator (4) collects all the ice climbing data to obtain collected ice climbing data;
s103: the ZigBee coordinator (4) communicates with the PC (5) through RS232 and transmits the collected ice climbing data to the PC (5);
s104: the PC (5) compares the collected ice climbing data to obtain result data corresponding to all competitors, and sends the result data corresponding to each competitor to VR glasses and naked eye liquid crystal screens of each competitor through a wireless sending module;
s105: and the wireless receiving modules of the VR glasses and the naked eye liquid crystal screen receive the result data so as to obtain the relevant information of the VR glasses and the naked eye liquid crystal screen in the competition process, and improve the competition experience of the VR glasses and the naked eye liquid crystal screen.
8. The device for realizing the VR ice climbing machine multi-person competition mode based on the ZigBee network as claimed in claim 7, wherein: in step S104, the PC (5) compares the collected ice climbing data to obtain result data corresponding to all competitors, and the specific method is as follows:
s201: the PC (5) sorts all ice climbing data in the summarized ice climbing data from small to large, and labels are sequentially carried out on the ice climbing data from 1; specifically, the speed in each ice climbing data is compared; obtaining the sorted summary ice climbing data;
s202: the PC (5) sends the ith-1 ice climbing data, the (i + 1) th ice climbing data and the ith ice climbing data as result data of a competitor corresponding to the ith ice climbing data to VR glasses and a naked eye liquid crystal screen of the competitor corresponding to the ith ice climbing data; wherein i is a label corresponding to each ice climbing data, and i is 1, …, n; n is the total number of competitors.
CN201911229007.XA 2019-12-04 2019-12-04 ZigBee network-based VR ice climbing machine multi-person competition mode realization device Pending CN111167097A (en)

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US20170056724A1 (en) * 2015-08-24 2017-03-02 MbientLab Inc. Climbing performance measurement and storage device
CN208354713U (en) * 2015-06-19 2019-01-11 奥克利有限公司 Eyewear adapter, the helmet, component, modularization headgear system and modularization sports helmet
CN211561818U (en) * 2019-12-04 2020-09-25 中国地质大学(武汉) ZigBee network-based VR ice climbing machine multi-person competition mode realization device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202067315U (en) * 2011-06-10 2011-12-07 聊城大学 Zigbee network-based track and field timing and scoring system
US20160007933A1 (en) * 2013-10-24 2016-01-14 JayBird LLC System and method for providing a smart activity score using earphones with biometric sensors
TW201615106A (en) * 2014-08-29 2016-05-01 愛康運動與健康公司 A sensor incorporated into an exercise garment
CN208354713U (en) * 2015-06-19 2019-01-11 奥克利有限公司 Eyewear adapter, the helmet, component, modularization headgear system and modularization sports helmet
US20170056724A1 (en) * 2015-08-24 2017-03-02 MbientLab Inc. Climbing performance measurement and storage device
CN211561818U (en) * 2019-12-04 2020-09-25 中国地质大学(武汉) ZigBee network-based VR ice climbing machine multi-person competition mode realization device

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