The present invention relates to tracking objects. Specifically, the present invention relates to determining the position and/or location of styli from image data. Aspects and/or embodiments seek to provide a method for determining an orientation and/or a position of a cylindrical object from image data using a single viewpoint.

A method by a network device for dynamically detecting emotional states of a user operating a client end station to interact with an application. The method includes receiving information regarding user inputs received by the client end station from the user while the user interacted with the application during a particular time period and determining an emotional state of the user based on analyzing the information and information regarding user inputs received by the client end station from the user while the user interacted with the application during one or more previous time periods that together with the particular time period form a time window.

A hand-held device with a sensor for providing a signal indicative of a position of the hand-held device relative to an object surface enables power to the sensor at a first time interval when the hand-held device is indicated to be in a position that is stationary and adjacent relative to the object surface, enables power to the sensor at a second time interval shorter than the first time interval when the hand-held device is indicated to be in a position that is moving and adjacent relative to the object surface, and enables power to the sensor at a third time interval when the hand-held device is determined to be in a position that is removed relative to the object surface.

A method implemented by a transmission device to communicate with multiple reception devices that respectively share a drawing area with the transmission device is provided. The transmission device transmits to the multiple reception devices vector-data ink data representative of traces of input operation detected by an input sensor of the transmission device. The method includes: (a) an ink data generation step of generating fragmented data of a stroke object, wherein the stroke object contains multiple point objects to represent a trace formed by a pointer, the fragmented data being generated per defined unit T, and generating a drawing style object; (b) a message formation step of generating messages including the drawing style object and the fragmented data; and (c) a transmission step of transmitting the messages.

A method implemented by a transmission device to communicate with multiple reception devices that respectively share a drawing area with the transmission device is provided. The transmission device transmits to the multiple reception devices vector-data ink data representative of traces of input operation detected by an input sensor of the transmission device. The method includes: (a) an ink data generation step of generating fragmented data of a stroke object, wherein the stroke object contains multiple point objects to represent a trace formed by a pointer, the fragmented data being generated per defined unit T, and generating a drawing style object; (b) a message formation step of generating messages including the drawing style object and the fragmented data; and (c) a transmission step of transmitting the messages.

Devices and methods are disclosed for generating input. In one implementation, a stylus is provided for generating writing input. The stylus includes an elongated body having a distal end, and a light source configured to project coherent light on an opposing surface adjacent the distal end. The stylus further includes at least one sensor configured to measure first reflections of the coherent light from the opposing surface while the distal end moves in contact with the opposing surface, and to measure second reflections of the coherent light from the opposing surface while the distal end moves above the opposing surface and out of contact with the opposing surface. The stylus also includes at least one processor configured to receive input from the at least one sensor and to enable determining three dimensional positions of the distal end based on the first reflections and the second reflections.

A digital pen systems and methods are provided. The digital pen comprises an internal pen module comprising a cartridge and a pressure sensor, a body housing the internal pen module, and a shuttle connected to the internal pen module on a first end of the digital pen and connected to a twist mechanism on a second end of the digital pen. The shuttle moves the cartridge and the pressure sensor when the twist mechanism is engaged.

Examples disclosed herein involve calibrating an input device to a display using the input device. An example method includes determining first coordinates of a position-encoded film corresponding to a location of an input device relative to the position-encoded film of a display of a computing device based on first position points of the position-encoded film, determining second coordinates of a pixel array corresponding to the location of the input device relative to the pixel array of the display based on a first reference pixel of the display, measuring a first offset between the first coordinates of the position-encoded film and the second coordinates of the pixel array, and calculating a calibration transformation to control the computing device based on the first offset.

An input device includes: an input portion; a supporting portion supporting the input portion; a first actuator having a first magnetic pole forming portion and a first coil; a second actuator having a second magnetic pole forming portion and a second coil; and a fixed yoke and a movable yoke forming a magnetic circuit for magnetic fluxes generated by the first and second magnetic pole forming portions. One of the fixed yoke and the movable yoke has a magnetic resistance as resistance in the magnetic circuit. A stabilizing force is generated in the movable yoke to stabilize the magnetic circuit against the magnetic resistance. The magnetic resistance is located such that an acting direction of the stabilizing force is opposite to a fall direction of the movable yoke due to own weight in accordance with an inclined installation.

An input device includes: an input portion; a supporting portion supporting the input portion; a first actuator having a first magnetic pole forming portion and a first coil; a second actuator having a second magnetic pole forming portion and a second coil; and a fixed yoke and a movable yoke forming a magnetic circuit for magnetic fluxes generated by the first and second magnetic pole forming portions. One of the fixed yoke and the movable yoke has a magnetic resistance as resistance in the magnetic circuit. A stabilizing force is generated in the movable yoke to stabilize the magnetic circuit against the magnetic resistance. The magnetic resistance is located such that an acting direction of the stabilizing force is opposite to a fall direction of the movable yoke due to own weight in accordance with an inclined installation.