# US 2019/0168850 A1 · Electric water sports device and monitoring system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0168850 A1 - Document ID: US20190168850A1 - Status: Published application - Kind: A1 - Application number: 16/033,046 - Filed: 2018-07-11 - Published: 2019-06-06 - Earliest claimed: 2017-12-06 - Assignees: Yujet International Corporation Limited - Applicants: Yujet International Limited - Inventors: Yu TIAN - Web page: https://patentgrep.com/patent/US20190168850A1 ## CPC - G01S 19/19: Sporting applications - B63B 32/10: Motor-propelled water sports boards (power-driven personal watercraft B63B34/10) - G01S 19/39: the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO - G01S 19/42: Determining position - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - B63B: SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING (arrangements of vessel ventilation, heating, cooling, or air-conditioning B63J2/00; floating substructures as supports of dredgers or soil-shifting machines E02F9/06) ## Abstract Disclosed are an electric water sports device and a monitoring system. The electric water sports device includes a device body; wherein the device body is provided with a positioning system, a controller and an electric power acquisition module, wherein the controller includes an electronic map, the positioning system is configured to acquire positioning data of the electric water sports device and send the positioning data to the controller, the electric power acquisition module is configured to acquire electric power data of the electric water sports device and send the electric power data to the controller, and the controller is configured to determine the range of an electric fence in the electronic map according to the positioning data and the electric power data. ## Claims ### Claim 1 An electric water sports device, comprising a device body; wherein the device body is provided with a positioning system, a controller and an electric power acquisition module, wherein the controller comprises an electronic map, the positioning system is configured to acquire positioning data of the electric water sports device and send the positioning data to the controller, the electric power acquisition module is configured to acquire electric power data of the electric water sports device and send the electric power data to the controller, and the controller is configured to determine the range of an electric fence in the electronic map according to the positioning data and the electric power data. ### Claim 2 (depends on 1) The electric water sports device according to claim 1, wherein the electronic map comprises water depth, and the controller is further configured to determine the range of the electric fence in the electronic map according to the positioning data, the water depth and the electric power data. ### Claim 3 (depends on 1) The electric water sports device according to claim 1, wherein the controller is further configured to determine the range of the electric fence in the electronic map according to the positioning data, the electric power data and a predetermined map range. ### Claim 4 (depends on 1) The electric water sports device according to claim 1, wherein the controller is further configured to determine the range of the electric fence in the electronic map according to the positioning data, the electric power data and a remaining operation duration, the remaining operation duration being a difference between a predetermined operation duration and a duration where the electric water sports device has operated. ### Claim 5 (depends on 1) The electric water sports device according to claim 1, wherein the device body is further provided with an alarm unit, and the control is further configured to judge whether the electric water sports device exceeds the range of the electronic fence, and drive the alarm unit to generate an alarm if the electric water sports device exceeds the range of the electronic fence. ### Claim 6 (depends on 1) The electric water sports device according to claim 1, wherein the device body is further provided with a wireless communication module, and the wireless communication module is configured to communicate with an external device in a wireless manner. ### Claim 7 (depends on 1) The electric water sports device according to claim 1, wherein the device body is further provided with an electric panhead and an IMU, the IMU being configured to acquire posture data of the electric panhead and send the posture data to the controller, and the controller is further configured to define a rotation parameter of the electric panhead according to the posture data. ### Claim 8 (depends on 7) The electric water sports device according to claim 7, wherein the controller is further configured to calculate longitude and altitude, and height of the electric water sports device according to the posture data and the positioning data, and the controller is further configured to determine the range of the electric fence in the electronic map according to the longitude and altitude, the height and the electric power data. ### Claim 9 (depends on 6) The electric water sports device according to claim 6, wherein the device body is further provided with a geomagnetic sensor, the geomagnetic sensor being configured to acquire operation direction data of the electric water sports device and send the operation direction data to the controller, the controller is further configured to send the operation direction data to the wireless communication module, and the wireless communication module is configured to send the operation direction data to the external device. ### Claim 10 (depends on 9) The electric water sports device according to claim 9, wherein a front part of the device body is provided with a straight-going return indicator, a left-turn return indicator and a right-turn return indicator, and the controller is further configured to drive the straight-going return indicator, the left-turn return indicator or the right-turn return indicator to guide a return direction according to a return instruction and travel direction information received from the external device. ### Claim 11 (depends on 10) The electric water sports device according to claim 10, wherein two or three left-turn return indicators are used and sequentially arranged on a left side of the front part of the device body, and two or three right-turn return indicators are used and are sequentially arranged on a right side of the front part of the device body. ### Claim 12 (depends on 1) The electric water sports device according to claim 1, wherein the device body is further provided with a ranging sensor, the ranging sensor being configured to acquire a first distance from the electric water sports device to an obstacle and send the first distance to the controller, and the controller is configured to control the device to avoid the obstacle according to the first distance. ### Claim 13 (depends on 1) The electric water sports device according to claim 1, wherein the positioning system comprises at least one of a GPS positioning system, a Beidou navigation satellite system and a GLONASS satellite positioning system. ### Claim 14 (depends on 1) The electric water sports device according to claim 1, wherein the device body is further provided with a display unit, and the controller is further configured to send an operation parameter of the water sports device to the display unit, the display unit being configured to display the operation parameter, wherein the operation parameter comprises at least one of the electric power data, the remaining operation duration, the operation direction, information indicating whether the return exceeds the range of the electronic fence, a maximum lateral acceleration of the water sports device and a speed of the water sports device, and the remaining operation duration is a difference between a predetermined operation duration and a duration where the electric water sports device has operated. ### Claim 15 (depends on 1) A monitoring system for a water sports device, comprising a smart terminal and at least one electric water sports device as defined in claim 1; wherein the smart terminal is in wireless communication with the electric water sports device, and the smart terminal is configured to remotely manage the electric water sports device. ### Claim 16 (depends on 15) The monitoring system for a water sports device according to claim 15, wherein the smart terminal is configured to send a return instruction to the electric water sports device and provides travel direction information, and the electric water sports device returns according to the travel direction information upon receiving the return instruction. ### Claim 17 (depends on 15) The monitoring system for a water sports device according to claim 15, wherein the controller is further configured to send an operation parameter of the electric water sports device to the smart terminal. ### Claim 18 (depends on 15) The monitoring system for a water sports device according to claim 15, wherein the smart terminal is further configured to send a predetermined map range and/or a predetermined operation duration to the electric water sports device.