Apparatus, system and method to provide switchable coils in a computing device, comprising: a plurality of electrically conductive coils to transfer electromagnetic energy; a sensor coupled to a processor, to select a coil from among the plurality of electrically conductive coils; a switch to energize the selected coil; and a switch controller coupled to the switch and to the processor. In some embodiments, the plurality of coils may comprise an inductive charging interface. Some embodiments may further include a communication interface between the processor to the plurality of electrically conductive coils, the plurality of coils comprising an interface for near-field communications (NFC). The antenna coils may be arranged to provide improved NFC coverage when the computing device is in a respective predetermined physical configuration. Sensors may be used to detect the configuration and switch NFC communications to use a preferred antenna coil for the detected configuration.

The invention relates to a mobile security basic control device (15) of a robot (1), comprising a hand-held housing (16), an emergency stop switching means (17) arranged at the housing (16), a communication device (18) for establishing a link in terms of control between the mobile security basic control device (15) and a robot controller (12) of the robot (1), and further comprising a holder (19) connected to the housing (16), which is designed to mount the mobile security basic control device (15) on a mobile terminal (20). Said mobile terminal has a terminal control system (21) and a multi-touchscreen (22), which is designed to transmit inputs to the terminal control system (21) via the multi-touchscreen (22). The mobile security basic control device (15) comprises a coding device (25) which, in a state where the mobile security basic control device (15) is mounted on the mobile terminal (20) by means of the holder (19), is designed to automatically transmit at least one identification code identifying the mobile security basic control device (15) to the terminal control system (21) via the multi-touchscreen (22).

The present invention provides a touch sensitive processing apparatus for detecting an electronic board eraser. The touch sensitive processing apparatus connects to a touch panel. The touch panel includes parallel first electrodes and parallel second electrodes, each of the first electrodes intersects with the second electrodes to form multiple intersection areas. The touch sensitive processing apparatus includes: a driving circuit connecting to the first electrodes; a sensing circuit connecting to the first electrodes and the second electrodes; and a processor connecting to the driving circuit and the sensing circuit. Wherein the processor is configured to execute a program module for realizing the following steps: having the driving circuit emit a beacon signal via the first electrodes simultaneously; and having the sensing circuit detect electrical signal emitted from at least three eraser electrodes of the electronic board eraser via the first and the second electrodes after a time period since the beacon signal is emitted.

The present invention provides a touch sensitive processing apparatus for detecting an electronic board eraser. The touch sensitive processing apparatus connects to a touch panel. The touch panel includes parallel first electrodes and parallel second electrodes, each of the first electrodes intersects with the second electrodes to form multiple intersection areas. The touch sensitive processing apparatus includes: a driving circuit connecting to the first electrodes; a sensing circuit connecting to the first electrodes and the second electrodes; and a processor connecting to the driving circuit and the sensing circuit. Wherein the processor is configured to execute a program module for realizing the following steps: having the driving circuit emit a beacon signal via the first electrodes simultaneously; and having the sensing circuit detect electrical signal emitted from at least three eraser electrodes of the electronic board eraser via the first and the second electrodes after a time period since the beacon signal is emitted.

A position detection apparatus includes a sensor, and a controller that detects a position of a first position indicator and a position of a second position indicator through the sensor. The controller continues detecting the position of the first position indicator and halts detecting the position of the second position indicator after a state in which the positions of the first position indicator and the second position indicator are not detected changes to a state in which the position of the first position indicator is detected, and continues both detecting the position of the second position indicator and detecting the position of the first position indicator after the state in which the positions of the first position indicator and the second position indicator are not detected changes to a state in which the position of the second position indicator is detected.

A mouse pad includes a mat part having a fixation portion and a 3D decorative object removably fixed on the fixation portion.

According to an embodiment, an electronic device comprises: a housing including a through hole formed outside of the housing, and a seating part connected to the through hole, and the seating part accommodating insertion of an electronic pen through the through hole; a seating part cover surrounding at least of a part of the seating part; a cantilever disposed in the seating part, the cantilever including an elastic part extending to have a distance from the seating part cover that increases along an insertion direction of the electronic pen; wherein the cantilever includes a connection part connecting the seating part cover and the elastic part and a support part protruding from one surface of the elastic part facing the seating part cover and extending in a direction away from the connection part.

According to an embodiment, an electronic device comprises: a housing including a through hole formed outside of the housing, and a seating part connected to the through hole, and the seating part accommodating insertion of an electronic pen through the through hole; a seating part cover surrounding at least of a part of the seating part; a cantilever disposed in the seating part, the cantilever including an elastic part extending to have a distance from the seating part cover that increases along an insertion direction of the electronic pen; wherein the cantilever includes a connection part connecting the seating part cover and the elastic part and a support part protruding from one surface of the elastic part facing the seating part cover and extending in a direction away from the connection part.

A drumstick is provided. The drumstick comprises a shaft. A plurality of sound initiating elements are disposed along the shaft. The sound initiating elements are adapted for initiating generation of sound associated with simultaneously activating a plurality of percussion surfaces of a percussion music instrument.

Technologies for interfacing an input overlay device with a touch screen of a computing device are disclosed. A computing device includes a touch screen and at least one processor to execute instructions to: determine parameters associated with an input overlay device overlying the touch screen, the input overlay device separate from the computing device, the parameters to identify a first area of the touch screen and a second area of the touch screen different than the first area, the first area corresponding to an area of the touch screen covered by the input overlay device; detect a position of a touch on the touch screen; if the position of the touch is in the first area, determine an input for the computing device based on the position of the touch; and if the position of the touch is in the second area, ignore the touch.