# US 2013/0158759 A1 · Electric personal moving apparatus > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2013/0158759 A1 - Document ID: US20130158759A1 - Status: Published application - Kind: A1 - Application number: 13/472,568 - Filed: 2012-05-16 - Published: 2013-06-20 - Earliest claimed: 2011-12-14 - Assignees: Hyundai Motor Company - Inventors: Young Chul OH; Byung Yong YOU; Hui Sung LEE; Sung Won YOON; Hyun Jae YOO - Web page: https://patentgrep.com/patent/US20130158759A1 ## CPC - A63C 17/12: with driving mechanisms - A63C 17/06: single-track type - A63C 2203/12: Electrically powered or heated - A63C: SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE (water skis B63B32/00, B63B34/00) ## Abstract An electric personal moving apparatus is provided. The electric personal moving apparatus includes a pair of modules detachable/attachable to shoes or a user's feet, wherein each module moves by propulsion from a motor and can be variously controlled by short range wireless communication. ## Claims ### Claim 1 An electric personal moving apparatus, comprising: a main module configured to: sense pressure generated by a left foot of a user and in response to sensing pressure, determine and provide control commands corresponding to the sensed pressure, in response to the commands provided by a main controller, operate the main module based on a control command priority and; transmit the control commands to a slave module, wherein the main controller provides and operates the main module based on speed information and pressure information received from the slave module; and the slave module configured to transmit the speed information and the pressure information to the main controller, operate, by a slave controller, the slave module according to the control command priority received from the main controller, sense pressure generated by a right foot of the user and in response determine and provide control commands corresponding to the pressure generated by a right foot of the user, wherein the slave module is operated based on commands provided by the slave controller and the control command priority received from the main module. ### Claim 2 (depends on 1) The electric personal moving apparatus according to claim 1, wherein the main module includes: a first short range communication unit configured to receive the speed information and the pressure information from the slave module and transmits the control commands to the slave module; a first pressure sensor configured to sense whether a pressure applied by a user's left foot exceeds a predetermined threshold pressure value or more; a main controller configured to control a first motor driver based on the speed information and the pressure information received in the first short range communication unit and control the first motor driver according to the control command priority corresponding to the pressure sensed by the first pressure sensor; and the first motor driver configured to propel a first motor according to the control of the main controller. ### Claim 3 (depends on 2) The electric personal moving apparatus according to claim 2, wherein the first pressure sensor includes: a first acceleration sensor that is provided at a position corresponding to a location near a user's big toe to sense pressure of a first threshold value or more applied to the location near the user's big toe by the user; a first deceleration sensor that is provided at a position corresponding to a portion of a user's heel to sense pressure of a second threshold value or more applied to the location near the user's heel by the user; and a left turn sensor that is provided at a position corresponding to a location near a user's little toe to sense pressure of a third threshold value or more applied to the location near the user's little toe by the user. ### Claim 4 (depends on 2) The electric personal moving apparatus according to claim 2, wherein the control command corresponding to the pressure is any one of an acceleration command, a deceleration command, and a left turn command. ### Claim 5 (depends on 4) The electric personal moving apparatus according to claim 4, wherein when the control command corresponding to the pressure is the left turn command, the main controller controls the first motor driver to decelerate a speed of the main module by a predetermined value based on a current speed of the slave module. ### Claim 6 (depends on 2) The electric personal moving apparatus according to claim 2, wherein when the pressure information received in the first short range communication unit is a right turn command, the main controller controls the first motor driver to accelerate a speed of the main module by a predetermined value based on a current speed of the slave module. ### Claim 7 (depends on 1) The electric personal moving apparatus according to claim 1, wherein the first slave module includes: a second short range communication unit configured to transmit the speed information and the pressure information to the main module and receives the control commands from the main module; a second pressure sensor configured to sense whether a pressure applied by a user's right foot exceeds a predetermined threshold value or more; a slave controller configured to analyze the pressure sensed by the second pressure sensor to determine provide the control commands of the user and then, control a second motor driver in response to the determined control command and control the second motor driver according to the control command priority received from the main module; and the second motor driver configured to control propulsion of a second motor according to the control of the slave controller. ### Claim 8 (depends on 7) The electric personal moving apparatus according to claim 7, wherein the second pressure sensor includes: a second acceleration sensor that is provided at a position corresponding to a location near a user's big toe to sense pressure of a first threshold value or more applied to the location near the user's big toe by the user; a second deceleration sensor that is provided at a position corresponding to a location near a user's heel to sense pressure of a second threshold value or more applied to the location near the user's heel by the user; and a right turn sensor that is provided at a position corresponding to a location near a user's little toe to sense pressure of a third threshold value or more applied to the location near the user's little toe by the user. ### Claim 9 (depends on 7) The electric personal moving apparatus according to claim 7, wherein the control command of the user is any one of an acceleration command, a deceleration command, and a right turn command. ### Claim 10 An electric personal moving apparatus, comprising: a short range communication terminal configured to transmit control commands through short range wireless communication; a main module configured to receive a user's left foot and configured to receive speed information from a slave module and operated based on the control commands from the short range communication terminal; and a slave module configured to receive a user's right foot and configured to transmit the speed information to the main module and operated based on the control commands from the short range communication terminal. ### Claim 11 (depends on 10) The electric personal moving apparatus according to claim 10, wherein the control command is any one of an acceleration command, a deceleration command, a left turn command, and a right turn command. ### Claim 12 (depends on 11) The electric personal moving apparatus according to claim 11, wherein when the control command is the left turn command, the main module decelerates a speed of the main module by a predetermined value based on a current speed of the slave module. ### Claim 13 (depends on 11) The electric personal moving apparatus according to claim 11, wherein when the control command is the right turn command, the main module accelerates a speed of the main module by a predetermined value based on a current speed of the slave module. ### Claim 14 An electric personal moving apparatus, comprising: a main module configured to receive a user's left foot including: a first communication unit configured to communicate with a second communication unit, a first drive motor driver mounted on the main module configured to control propulsion two or more wheels rotatably installed on the main module, and a main controller configured to control the first drive motor driver to accelerate, decelerate and turn the wheels on at least the main module based on commands input by a user; a slave module configured to receive a user's right foot including a second communication unit configured to communicate with a second communication unit′ a second drive motor driver, mounted on the slave module, configured to control propulsion of two or more wheels rotatably installed on the slave module, and a slave controller configured to control the second drive motor driver to accelerate, decelerate and turn the wheel on the slave module based on commands input by a user. ### Claim 15 (depends on 14) The electronic personal moving apparatus of claim 14, wherein commands provided by the slave controller are secondary to command received from the main controller.