An electric skateboard (100), belonging to the field of transportation means, comprises a remote control (101), a board body (102), a front wheel (103), a rear wheel (104), and a battery built in the board body (102), wherein the front wheel (103) and the rear wheel (104) are respectively rotationally provided at two ends of the board body (102), a hub motor for driving the rear wheel (104) is provided inside the rear wheel (104), the hub motor is connected with the battery, and the hub motor is further wirelessly connected with the remote control (101). The electric skateboard (100) controls the operation of the skateboard by a wireless remote control (101), omitting a pressure sensor and a mounting groove, and it has a simple structure, a low manufacturing cost, strong reliability, and strong integrity, and can resist water.

According to this disclosure, a control system for an electric vehicle includes an electronic speed controller (ESC) configured to control an electric motor operably connected to a wheel of the electric vehicle and an electric vehicle controller configured to monitor an operating characteristic of the electric motor, wherein the operating characteristic comprises a voltage, current, or frequency of the electric motor. The electric vehicle controller can he configured to determine at least one user input based on the operating characteristic of the electric motor. The user input can be indicative of acceleration, constant speed, or deceleration. The electric vehicle controller can be configured to send a signal to the electronic speed controller for the electronic speed controller to control the electric motor based on the determined user input.

The present invention relates to an enigma system for decoding a user's environment. The system is activated using hand/finger movements and/or voice commands that signal the system to select an item in the user's environment and perform predefined information searches in the local or remote database to located information about the item of interest. The user movements may be detected by an imaging device to eliminate the need for structure to be associated with a user's hand. The enigma system can monitor the user's environment and automatically provide selectable information about the user's environment and provide warnings allowing a user to better decoded his environment.

Electric vehicles, electric vehicle systems, and methods for controlling the electric vehicles or electric vehicle systems are described. In one implementation, an electric vehicle includes a main body for carrying a user, a plurality of electric wheels mounted on the main body, and a controller mounted on the main body. The main body includes a front main body and a rear main body removably connected to the front main body. The front main body can move independently when disconnected from the rear main body. In some embodiments, at least one of the plurality of electric wheels is mounted on the front main body. The controller is configured to send drive signals to the plurality of electric wheels according to input of the user. The plurality of electric wheels are configured to rotate according to the drive signals. The electric vehicles and the electric vehicle systems described in the present disclosure have a separable main body, advantageously allowing for short or medium distance transportation at low cost, flexibility in turning, and great potential for expanding their functionality.

A system includes a support structure that includes a bottom surface and a connector plate pivotably connected to the bottom surface, and a device including a wheel, the device being releaseably connectable to the connector plate.

An electric skateboard is disclosed. In one aspect, the electric skateboard comprises a foot placement section. The electric skateboard comprises a wheel suspension truck connected to the foot placement section. The electric skateboard comprises a first wheel and a second wheel, wherein the first wheel and the second wheel are spaced apart and substantially parallel to one another and wherein the first wheel and the second wheel are connected to the wheel suspension truck. The electric skateboard comprises a deformation sensor module attached to the wheel suspension truck, the deformation sensor module configured to generate a weight signal and a gravity angle signal associated with the electric skateboard. The electric skateboard comprises a control logic configured to output control signals that control a movement of the electric skateboard in response to the weight signals, and the gravity angle signals.

A ski may define a body that defines a tip, a tail opposite the tip, a top sheet, a base extending from the tip to the tail and opposite the top sheet, a core layer positioned between the base and the top sheet, and a reinforcement layer positioned between the top sheet and the base. The reinforcement layer defines an aperture extending through the reinforcement layer and positioned within a first third of a length of the ski, the length defined from the tip to the tail.

Embodiments of the present disclosure provide techniques and configurations for an apparatus for identifying a maneuver of sports equipment. In one instance, the apparatus may comprise a housing to be attached to the sports equipment; two or more sensors disposed on or in the housing to sense acceleration or rotation of the sports equipment during the motion of the sports equipment, and to output motion data associated with the acceleration or rotation of the sports equipment; and circuitry disposed in the housing and coupled to the sensors to receive the motion data and to identify a maneuver performed using the sports equipment, based on the motion data. Other embodiments may be described and/or claimed.

An ice-skating measuring apparatus includes an ice-skate blade holder and an ice-skate blade. The blade holder has a front beam column and a rear beam column. The blade includes at least one sensor configured to measure forces acting on the blade, and the blade is detachable from the blade holder.

A split electric skateboard that includes a deck, a battery unit, a front bracket, a rear bracket, wheels, a main control module, hub motors, a heat dissipator, and a remote control module. The wheels include driven wheels and drive wheels. The split electric skateboard is rationally designed to guarantee the safety, reliability, and stability of the tire bead during high-speed use. The design makes it more convenient to remove and replace the tire bead. Additionally, even when then battery runs out of power, the skateboard may still be used as a common skateboard such that the regenerated energy during non-electric use may be absorbed by the battery unit to achieve a battery charging effect.