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 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.

A computer input device system that includes a finger-wearable input unit that is capable of providing inputs in a two-dimensional plane or in three-dimensional space, and that is capable of transitioning between registering inputs along a two-dimensional plane or in a three-dimensional space. The finger-wearable unit can be made up of separable modules and links that allow for reconfiguration of the finger-wearable unit according to a user's needs.

A computer input device system that includes a finger-wearable input unit that is capable of providing inputs in a two-dimensional plane or in three-dimensional space, and that is capable of transitioning between registering inputs along a two-dimensional plane or in a three-dimensional space. The finger-wearable unit can be made up of separable modules and links that allow for reconfiguration of the finger-wearable unit according to a user's needs.

Various embodiments disclosed in the present invention relate to an electronic device antenna structure for communication with an external electronic device. According to various embodiments disclosed in the present invention, provided is an electronic device comprising: a pen housing extending to be long, including a first end part and a second end part, and including an inner space; a tip, which has a pointed end, is made of a dielectric and is located at the first end part; a printed circuit board (PCB) extending to be long, located in the inner space, and including a first surface facing a first direction and a second surface facing a second direction, which is opposite to the first direction; a wireless communication circuit located on the PCB in the inner space; and an antenna structure located in the inner space and electrically connected to the wireless communication circuit, wherein the antenna structure includes: a first conductive part located between the pen housing and the first surface of the PCB; a second conductive part electrically connected to the first conductive part toward a third direction which differs from the first direction and the second direction, and extending along the PCB; and a third conductive part electrically connected to the first conductive part toward a fourth direction which differs from the first direction, the second direction and the third direction, and extending along the PCB, and at least one part of the PCB is arranged between the second conductive part and the third conductive part when the first surface of the PCB is viewed from an upper surface thereof. Additional various embodiments can be provided.

A computer input device includes a housing having an opening, a ball holder supported relative to the housing and being concentric with the opening, a ball positioned within the ball holder and extending through the opening in the housing, and a scroll ring concentric with and rotatable relative to the ball holder. The ball is movable relative to the ball holder. The ball holder has a track, and the scroll ring has at least one projection received in the track of the ball holder to guide the scroll ring.

A computer input device includes a housing having an opening, a ball holder supported relative to the housing and being concentric with the opening, a ball positioned within the ball holder and extending through the opening in the housing, and a scroll ring concentric with and rotatable relative to the ball holder. The ball is movable relative to the ball holder. The ball holder has a track, and the scroll ring has at least one projection received in the track of the ball holder to guide the scroll ring.

A mouse finger rest is provided. The device includes a finger support having a lower leg and an upper platform, wherein the upper platform is rigidly affixed to the lower leg at an angle to rest substantially parallel to an upper portion of a mouse. The lower leg is disposed along a bracket, wherein a first end of the bracket and a second end of the bracket are removably securable to a front portion of a base of the mouse. In some embodiments, a protrusion extends perpendicularly from the lower end of the lower leg, wherein the protrusion is slidably disposed within a track disposed in a front portion of the base of the mouse.

A method for controlling a mobile device—placed on a holder, comprising an interface plate configured to be touched by an object so as to control the device, and comprising at least two movement sensors configured to detect a movement of the device—comprises a) applying an object to the holder at a point of impact located outside the interface plate, the application of the object leading to a propagation of a vibration wave that propagates along the holder, toward the mobile device; b) detecting, with each movement sensor, the vibration wave at a detection time; c) comparing detection times detected by each movement sensor, respectively; d) estimating a position of the point of impact on the holder, depending on the comparison carried out in c); and e) generating a control signal of the mobile device depending on the position estimated in d).

One or more embodiments disclosed herein relate to an electronic device antenna structure, and may provide an electronic device that includes a pen housing including a first end part, a second end part, and inner space; a printed circuit board (PCB) located in the inner space; and an antenna structure. The antenna structure may include a first conductive part located between the pen housing and the first surface of the PCB; a second conductive part electrically connected to the first conductive; and a third conductive part electrically connected to the first conductive part. At least one part of the PCB may be arranged between the second conductive part and the third conductive part when the first surface of the PCB is viewed from an upper surface thereof. Additional other embodiments can be provided.