Abstract: Provided is a content evaluation system including an electronic pen, a data generation section that generates content data from writing operations performed by the electronic pen, a data acquisition section that acquires the content data, a first calculation section that calculates, from the acquired content data, a plurality of kinds of time-series feature amounts indicating a temporal change in a plurality of kinds of feature amounts related to a creation process of the handwritten content, a second calculation section that calculates an integrated feature amount related to the creation process of the handwritten content by using two or more kinds of time-series feature amounts from among the plurality of kinds of time-series feature amounts, and a content evaluation section that evaluates the handwritten content in reference to the integrated feature amount and outputs evaluation result information indicating the evaluation result of the handwritten content.

Abstract: An electronic pen is realized which includes a side switch that has a simple configuration and enables instruction inputs of a plurality of states to be performed easily and properly. The electronic pen has a side switch unit provided at a side surface of a pen body to be gripped by a user. The side switch unit includes a sensor unit in which capacitive sensors and pressure sensing sensors are provided as two kinds of touch sensors of different detection systems such that sensor regions (detection regions) are superimposed on each other. Thus, at least a case of performing an operation in such a manner as to act on one touch sensor and a case of performing an operation in such a manner as to act on both touch sensors simultaneously can be indicated through the side switch unit.

Abstract: A position detection device includes a position detection sensor including a position detection region corresponding to an instruction input surface for receiving an instruction input by an indicator, a position detection circuit which, in operation, detects at least a position of an instruction in the position detection region of the position detection sensor based on an interaction of the position detection sensor and the indicator, and a plurality of motion sensors. The position detection sensor includes a flexibly displaceable part that is deformable together with the instruction input surface according to an operation of a user, and the flexibly displaceable part is disposed between two of the motion sensors.

Abstract: Provided is a pen data storage apparatus that stores pen data including at least coordinate data regarding a position instructed and input by an electronic pen, in units of the pen data, in which each piece of the stored pen data includes function identification information that identifies a processing function for the pen data.

Abstract: An information sharing system includes a plurality of terminal devices and an information sharing device communicable with the terminal devices. Each of the terminal devices includes a display unit which displays content in a display region, and a processor which performs display control over the display unit. The information sharing device includes a classification processing unit which classifies a plurality of users of the terminal devices into groups in reference to a result of evaluation of pieces of stroke data each indicating the content handwritten by a user of a corresponding one of the terminal devices. The information sharing device includes a display instruction section which instructs each of terminal devices corresponding to two or more constituent members belonging to one of the groups classified by the classification processing unit, among the terminal devices, to display a status information column indicating states of the two or more constituent members.

Abstract: An electronic pen is realized which includes a side switch that has a simple configuration and enables instruction inputs of a plurality of states to be performed easily and properly. The electronic pen has a side switch unit provided at a side surface of a pen body to be gripped by a user. The side switch unit includes a sensor unit in which capacitive sensors and pressure sensing sensors are provided as two kinds of touch sensors of different detection systems such that sensor regions (detection regions) are superimposed on each other. Thus, at least a case of performing an operation in such a manner as to act on one touch sensor and a case of performing an operation in such a manner as to act on both touch sensors simultaneously can be indicated through the side switch unit.

Abstract: An electronic pen is realized which includes a side switch that has a simple configuration and enables instruction inputs of a plurality of states to be performed easily and properly. The electronic pen has a side switch unit provided at a side surface of a pen body to be gripped by a user. The side switch unit includes a sensor unit in which capacitive sensors and pressure sensing sensors are provided as two kinds of touch sensors of different detection systems such that sensor regions (detection regions) are superimposed on each other. Thus, at least a case of performing an operation in such a manner as to act on one touch sensor and a case of performing an operation in such a manner as to act on both touch sensors simultaneously can be indicated through the side switch unit.

Abstract: An electronic pen is communicable with a tablet and includes a communication circuit configured to receive haptics data that is associated with stroke data and transmitted from the tablet. The electronic pen includes a vibration circuit configured to generate tactile feedback for a user. The electronic pen also includes a controller circuit configured to control the vibration circuit to generate the tactile feedback based on the haptics data received by the communication circuit.

Abstract: Provided is a content evaluation system including an electronic pen, a data generation section that generates content data from writing operations performed by the electronic pen, a data acquisition section that acquires the content data, a first calculation section that calculates, from the acquired content data, a plurality of kinds of time-series feature amounts indicating a temporal change in a plurality of kinds of feature amounts related to a creation process of the handwritten content, a second calculation section that calculates an integrated feature amount related to the creation process of the handwritten content by using two or more kinds of time-series feature amounts from among the plurality of kinds of time-series feature amounts, and a content evaluation section that evaluates the handwritten content in reference to the integrated feature amount and outputs evaluation result information indicating the evaluation result of the handwritten content.

Abstract: An information sharing system includes a plurality of terminal devices and an information sharing device communicable with the terminal devices. Each of the terminal devices includes a display unit which displays content in a display region, and a processor which performs display control over the display unit. The information sharing device includes a classification processing unit which classifies a plurality of users of the terminal devices into groups in reference to a result of evaluation of pieces of stroke data each indicating the content handwritten by a user of a corresponding one of the terminal devices. The information sharing device includes a display instruction section which instructs each of terminal devices corresponding to two or more constituent members belonging to one of the groups classified by the classification processing unit, among the terminal devices, to display a status information column indicating states of the two or more constituent members.

Abstract: A handwriting data generation apparatus includes a memory containing processor-executable instructions and a processor coupled to the memory. The processor is configured to perform, when loaded with the processor-executable instructions, associating tactile feedback with at least part of stroke data generated according to handwriting input, and generating digital ink including haptics data indicating the stroke data and the tactile feedback.

Abstract: Provided is a pen data storage apparatus that stores pen data including at least coordinate data regarding a position instructed and input by an electronic pen, in units of the pen data, in which each piece of the stored pen data includes function identification information that identifies a processing function for the pen data.

Abstract: A position detection device includes a position detection sensor including a position detection region corresponding to an instruction input surface for receiving an instruction input by an indicator, a position detection circuit which, in operation, detects at least a position of an instruction in the position detection region of the position detection sensor based on an interaction of the position detection sensor and the indicator, and a plurality of motion sensors. The position detection sensor includes a flexibly displaceable part that is deformable together with the instruction input surface according to an operation of a user, and the flexibly displaceable part is disposed between two of the motion sensors.

Abstract: An information sharing system includes a plurality of terminal devices and an information sharing device communicable with the terminal devices. Each of the terminal devices includes a display unit which displays content in a display region, and a processor which performs display control over the display unit. The information sharing device includes a classification processing unit which classifies a plurality of users of the terminal devices into groups in reference to a result of evaluation of pieces of stroke data each indicating the content handwritten by a user of a corresponding one of the terminal devices. The information sharing device includes a display instruction section which instructs each of terminal devices corresponding to two or more constituent members belonging to one of the groups classified by the classification processing unit, among the terminal devices, to display a status information column indicating states of the two or more constituent members.

Abstract: Provided is a content evaluation device including a processor and a memory storing a program that, when executed by the processor, causes the content evaluation device to: acquire at least one of content data indicating content composed of multiple content elements or related data relating to creation of the content, calculate a time-series feature indicating a time change of a feature relating to a creation process of the content from the content data or the related data, and evaluate the content by using the time-series feature.

Abstract: Provided is a pen data storage apparatus that stores pen data including at least coordinate data regarding a position instructed and input by an electronic pen, in units of the pen data, in which each piece of the stored pen data includes function identification information that identifies a processing function for the pen data.

Abstract: A position detection device includes a position detection sensor including a position detection region corresponding to an instruction input surface for receiving an instruction input by an indicator, a position detection circuit which, in operation, detects at least a position of an instruction in the position detection region of the position detection sensor based on an interaction of the position detection sensor and the indicator, and a plurality of motion sensors. The position detection sensor includes a flexibly displaceable part that is deformable together with the instruction input surface according to an operation of a user, and the flexibly displaceable part is disposed between two of the motion sensors.

Abstract: Provided is a color selecting method in an information processing device that perform signal interaction with a position indicator, the color selecting method including detecting a circular motion operation of the position indicator and selecting a hue, detecting a rectilinear motion operation of the position indicator and selecting a first one of a saturation or a lightness, detecting a displacement quantity or a displacement position based on a movement of the position indicator in a direction intersecting a direction of the rectilinear motion operation and selecting a second one of the saturation or the lightness, and selecting a color based on the hue selected according to the circular motion operation, the first one of the saturation or the lightness selected according to the rectilinear motion operation, and the second one of the saturation or the lightness selected according to the displacement quantity or the displacement position.

Abstract: Provided is a pen data storage apparatus that stores pen data including at least coordinate data regarding a position instructed and input by an electronic pen, in units of the pen data, in which each piece of the stored pen data includes function identification information that identifies a processing function for the pen data.

Abstract: An electronic pen is realized which includes a side switch that has a simple configuration and enables instruction inputs of a plurality of states to be performed easily and properly. The electronic pen has a side switch unit provided at a side surface of a pen body to be gripped by a user. The side switch unit includes a sensor unit in which capacitive sensors and pressure sensing sensors are provided as two kinds of touch sensors of different detection systems such that sensor regions (detection regions) are superimposed on each other. Thus, at least a case of performing an operation in such a manner as to act on one touch sensor and a case of performing an operation in such a manner as to act on both touch sensors simultaneously can be indicated through the side switch unit.