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157 results about "Window manager" patented technology

A window manager is system software that controls the placement and appearance of windows within a windowing system in a graphical user interface. Most window managers are designed to help provide a desktop environment. They work in conjunction with the underlying graphical system that provides required functionality—support for graphics hardware, pointing devices, and a keyboard, and are often written and created using a widget toolkit.

High repetition frequency jamming-resistant laser encoding system and laser encoding method

The invention relates to a high repetition frequency jamming-resistant laser encoding method. Due to the threat of high repetition frequency laser active jamming to the laser semi-active homing guidance, aiming at a tunable laser generating nanosecond level pulse width, the invention provides the encoding of pulse width and pulse amplitude by directly clipping with an electro-optical switch; the phase difference generated by static double refraction is compensated by an orthorhombic KTP (potassium titanium oxide phosphate) crystal; the delay and the error can be reduced due to the synchronous control of a pockels cell power supply; the laser encoding, the pulse width encoding and the pulse amplitude modulation are combined with one another, so that the PAWM (puto amo window manager) encoding which not only can resist the laser angle deception jamming but also can resist the high repetition frequency jamming can be formed; and the method of high repetition frequency jamming resistance is improved on a guidance head, so that a novel laser encoding system can be formed, wherein the system is suitable for the aspects such as tracking, guidance, positioning, collimation, photo-communication APT (arbitrage pricing theory) technology, and photoelectronic warfare.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Internet protocol television (IPTV) video call control method and set top box

The invention relates to an internet protocol television (IPTV) video call control method which comprises the steps that an IPTV set top box receives an operational order input from external and judges whether the operational order is an operational order for a video call service shortcut operational command, a video call window is built in a set top box browser through a window manager if the operational order is the operational order for the video call service shortcut operational command, during building of the video call window, service and service engines which correspond to current service windows are paused, the current service windows are hidden, window statuses of the current service windows and relations among windows are recorded, the operational order received by the video call window informs a video call client-side, a video call request is initiated to a called party according to the received operational order, a received request response informs the set top box browser in an event mode, and the set top box browser informs a page through the event to display the request response. The IPTV video call control method integrates a value added service and a basic service of IPTV video calls and is capable of achieving a smooth handover between services.
Owner:CHINA TELECOM CORP LTD
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