A display device including a display; and a controller configured to control the display to display an image on a screen of the display, determine if a user interface (UI) exists on the screen of the display, in response to the UI not existing on the screen of the display, control the display not to display a pointer on the screen of the display, and in response to the UI existing on the screen of the display, control the display to display the pointer on the screen of the display.

A non-transitory computer-readable storage medium stores a projection adjustment program which, when executed by a processor, causes a computer to execute a process relating to adjustment of projection operations of projection devices configured to perform position measurement and projection on a target object in a projection system including the projection devices. The process includes: causing a first projection device to project invisible measurement light onto the target object; causing a second projection device to receive reflection light reflected from the target object; judging a connection relationship of a projection range of the first projection device on the basis of the received reflection light; executing a process of the judging of the connection relationship on all processing target projection devices; and generating projection position information indicating a connection relationship between projection ranges of the respective projection devices and displaying the projection position information on a display unit.

An information processing system (100) includes: an event-information processing unit (130) for converting event information generated by operation on a browser of the user terminal into information specified by software executed on a computer communicable with the user terminal (900); and an information input unit (140) inputting the information converted by the event-information processing unit (130) to the software.

Systems, methods and program products for administering and modifying a simulation that incorporates the use of biometric data collection and computer-based predictive modeling techniques to reliably identify changes in the stress level of simulation participants while predictively adapting the simulation environment to manage each participants' stress levels within a pre-set or desired range. Each participant may have their biometric data collected and continuously monitored by wearing a computing device comprising biometric sensors, camera systems and audio recording devices. As the participants biometric data changes, the system monitors the participant for changes in stress level and maintains a desired stress level in the participant by modifying the adjustable properties of one or more virtual objects or computer-accessible real physical objects of the simulation environment to increase or decrease the stress level of the simulation on participants.

Disclosed herein are systems and methods that allow activation of, and intuitive interactions with, a companion-display mode for an electronic device. An example method includes: receiving an instruction to operate the first electronic device in a companion-display mode in which user interfaces generated by a second electronic device are displayed at the first electronic device. In response to receiving the instruction to operate in the companion-display mode, the method also includes: concurrently displaying, on the touch-sensitive display of the first electronic device: a user interface generated by the second electronic device; and a plurality of user interface objects, including a first user interface object associated with a first function of a plurality of functions for controlling the touch-sensitive display of the first electronic device while it is operating in the companion-display mode, and a second user interface object associated with a second function of the plurality of functions.

A piezoelectric system comprises a piezoelectric sensor, a voltage stabilizer, a discharger and an operation sensor. The piezoelectric sensor outputs a sensing signal through a sensor output terminal according to a rate of change of pressure. The voltage stabilizer has a positive terminal electrically connecting with the sensor output terminal. The voltage stabilizer receives the sensing signal, stores the energy of the sensing signal, and keeps the voltage of the sensing signal as a constant when the rate of change of pressure is zero. The discharger has a first terminal connecting with the positive terminal, a second terminal coupled to ground, and a control terminal receiving a trigger signal to control the first terminal to conduct with or not conduct with the second terminal. The operation sensor electrically connects to the control terminal for sensing an operation generating the pressure and outputs the trigger signal accordingly.

Provided are a spread spectrum clock generator and a spread spectrum clock generation method, a pulse pattern generator and a pulse pattern generation method, and an error rate measuring device and an error rate measuring method capable of improving usability when adjusting a waveform of a modulation signal during training. A setting screen 60 includes a 0-th frequency shift input unit 71 for arbitrarily setting a frequency shift of a waveform of a modulation signal in a plurality of time sections, a first frequency shift input unit 72, a second frequency shift input unit 73, a third frequency shift input unit 74, and a modulation selection unit 67 for switching a waveform pattern of the modulation signal from a first pattern to a second pattern.

The present utility model discloses a keyboard. The keyboard comprises keys, a fixing frame, long flexible strips, a key locking plate, a flexible sheet, a PCB board, a flexible base, and a bottom cap. The key locking plate is mounted on the upper surface of the flexible sheet. The flexible sheet is mounted on the upper surface of the PCB board. The PCB board is mounted on the flexible base. The flexible base is mounted on the bottom cap. The key locking plate, the flexible sheet, the PCB board and the flexible base fixed in the housing. The long flexible strips are mounted on all sides of the key locking plate and in the fixing frame.

A control method of an electronic device and an external control device are provided. The control method may control the electronic device through a non-contact method. The external control device includes a handheld electronic device and an arithmetic control device. The external control device obtains display specification information of the electronic device, and the handheld electronic device is adapted for performing an image capturing action on a control interface of the electronic device to obtain a captured image. The handheld electronic device receives touch information. The external control device calculates coordinate conversion information between the captured image and an image of the control interface of the electronic device according to the display specification information and the captured image, converts the touch information to generate converted touch information according to the coordinate conversion information, and executes a control action on the electronic device according to the converted touch information.

The present invention provides a method for driving personal input device. The method is executed by a display. The display is connected with a personal input device. A first processing unit of the display drives the personal input device. The display receives a first event message from the personal input device. The first processing unit processes the event message to give a first event parameter, and updates the status of a cursor in a display picture according to the first event parameter. In addition, the first processing unit processes the first event message to generate a second event message, and transmits the second event message to an electronic device via a display data channel/command interface (DDC/CI).