Methods and systems for processing touch inputs are disclosed. The invention in one respect includes reading data from a multipoint sensing device such as a multipoint touch screen where the data pertains to touch input with respect to the multipoint sensing device, and identifying at least one multipoint gesture based on the data from the multipoint sensing device.

Gestures for touch sensitive input devices

An introduction to heat transfer

Proximity based systems and methods that are implemented on an electronic device are disclosed. The method includes sensing an object spaced away and in close proximity to the electronic device. The method also includes performing an action in the electronic device when an object is sensed.

Proximity detector in handheld device

More particularly, calculations are developed and examined to reduce the entire quantity of Wireless access points as well as their locations in almost any given atmosphere while with the throughput needs and the necessity to ensure every place in the area can achieve a minimum of k APs. This paper concentrates on using Wireless for interacting with and localizing the robot. We've carried out thorough studies of Wireless signal propagation qualities both in indoor and outside conditions, which forms the foundation for Wireless AP deployment and communication to be able to augment how human operators communicate with this atmosphere, a mobile automatic platform is developed. Gas and oil refineries could be a harmful atmosphere for various reasons, including heat, toxic gasses, and unpredicted catastrophic failures. When multiple Wireless APs are close together, there's a possible for interference. A graph-coloring heuristic can be used to find out AP funnel allocation. Additionally, Wireless fingerprinting based localization is developed. All of the calculations implemented are examined in real life situations using the robot developed and answers are promising. For example, within the gas and oil industry, during inspection, maintenance, or repair of facilities inside a refinery, people might be uncovered to seriously high temps to have a long time, to toxic gasses including methane and H2S, and also to unpredicted catastrophic failures.

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Internet of Vehicles: From Intelligent Grid to Autonomous Cars and Vehicular Clouds

A home entertainment system for video games and other applications includes a main unit and handheld controllers. The handheld controllers sense their own motion by detecting illumination emitted by emitters positioned at either side of a display. The controllers can be plugged into expansion units that customize the overall control interface for particular applications including but not limited to legacy video games.

Video game system with wireless modular handheld controller

A remote control apparatus for a television receiver and other electronic appliances, wherein a tablet is employed so as to input positional information and a command. The remote control apparatus is arranged by a tablet, a command converting unit for producing command data corresponding to X-coordinate data and Y-coordinate data supplied from the tablet in a command mode, and a data producing unit for producing input positional information in response to the X-coordinate data and the Y-coordinate data supplied from the tablet in a tablet mode. This remote control apparatus is further constructed of a tablet switching key for switching the command mode and the tablet mode, a transmitting unit for transmitting transmission signals produced by modulating the command data and the positional data, and also a control unit for causing the transmitting unit to transmit the positional information as the transmission signal during the tablet mode, and also to transmit the command data as the transmission signal during the command mode.

Remote control apparatus

A power conversion circuit system comprises a primary conversion circuit, a secondary conversion circuit, and a control circuit for controlling the primary and secondary conversion circuits. The primary conversion circuit comprises a primary full bridge circuit, which includes a bridge section composed of both a primary coil in a transformer and a primary magnetic coupling reactor in which two reactors are magnetically coupled, a first input/output port disposed between a positive bus bar and a negative bus bar of the primary full bridge circuit, and a second input/output port disposed between the negative bus bar of the primary full bridge circuit and a center tap of the primary coil in the transformer. The secondary conversion circuit has a configuration similar to that of the primary conversion circuit.

Power conversion circuit and power-conversion circuit system

A novel multiport dc–dc converter with a coupling magnetic inductor is analyzed and designed The proposed circuit integrates two multiphase converters and one isolated dc–dc converter These converters can be controlled independently in one circuit by adjusting the duty ratio and phase angle difference There are four dc ports in the circuit, and the dc power can be delivered multidirectionally among the four dc ports In this paper, a 15-kW prototype of the multiport converter was constructed and successfully operated under full power The experimental results confirm the theoretical analysis, and the conversion efficiency is above 90% over a wide range of output power In addition, an example of a multifunctional power conversion system using the multiport converter is demonstrated

Analysis and Design of a Multiport Converter Using a Magnetic Coupling Inductor Technique

The design of anisotropic thermal conductivity in multilayer printed circuit boards (PCB) is studied, where the flow of heat is manipulated through the informed layout of circuit board electrothermal traces. Three representative circuit board configurations are considered to illustrate the basic method. A baseline circuit board (Configuration 1) comprising a heat-generating device in thermal communication with a heat sensitive device by the way of a standard electrical trace connection is studied first to characterize heat flow due to conduction and convection. Building off of this baseline structure, the thermal management advantages and disadvantages of a closed heat shield for anisotropic PCB thermal conductivity are explored using the second circuit board (Configuration 2). The design of the third multilayer circuit board (Configuration 3) with optimized anisotropic PCB thermal conductivity for enhanced heat flow control is simultaneously explored. It is experimentally shown that, for PCBs subject to free convection and power densities on the order of 1–10 W/cm2, the design technique allows for noticeable (−10 °C) reduction in the temperature of the heat sensitive device without a significant (<3 °C) increase in the heat-generating device temperature. The experimental heat transfer results are verified through simulations that further confirm and explain the functionality and limitations of the heat flow control concept. The effect of Joule heating is also investigated numerically. A conceptual framework for electrothermal codesign of multilayer PCBs with integrated heat flow control and more device-dense packaging is proposed.

Design of Anisotropic Thermal Conductivity in Multilayer Printed Circuit Boards

The power converter includes a first operation mode in which each of switching elements is controlled on or off independently so as to perform a power conversion between a load and both a first DC power source and a second DC power source and a second operation mode in which every two of the switching elements are controlled on or off concurrently so as to perform the power conversion between the load and the first DC power source or the second DC power source. A switching speed at which when each of the switching elements is turned on or turned off is controlled in accordance with the operation mode. Specifically, the switching speed in the second operation mode is higher than the switching speed in the first operation mode.

Masanori Ishigaki

Papers

Remote control apparatus

Power conversion circuit and power-conversion circuit system

Analysis and Design of a Multiport Converter Using a Magnetic Coupling Inductor Technique

Design of Anisotropic Thermal Conductivity in Multilayer Printed Circuit Boards

Control device and control method for power converter