Abstract: A radiator includes a header including a supply chamber for a coolant to cool an electronic part mounted on a circuit board and a discharge chamber partitioned from the supply chamber, and a plurality of tubes stacked in a heightwise direction of the header, one end of each of the plurality of tubes being connected to the supply chamber and the other end of each of the plurality of tubes being connected to the discharge chamber, and the coolant flowing from the one end to the other end. The plurality of tubes include a first tube at least including a lowermost tube, and a second tube provided over the first tube and having a surface area greater than that of the first tube.

Abstract: A phased-array receiver that may be effectively implemented on a silicon substrate. A receiver includes multiple radio frequency (RF) front-ends, each configured to receive a signal with a given delay relative to the others such that the gain of the received signal is highest in a given direction. The receiver also includes a power combination network configured to accept an RF signal from each of the RF front-ends and to pass a combined RF signal to a down-conversion element, where the power distribution network includes a combination of active and passive components. Each RF front-end includes a phase shifter configured to delay the signal in accordance with the given direction and a variable amplifier configured to adjust the gain of the signal.

Abstract: The present invention relates to (i) novel fluoroionic compounds capable of dispersing particulate filler compositions into a fluoropolymer; (ii) novel particulate compositions in which particulates are surface-functionalized with a fluoroionic compound; (iii) fluoropolymer composite materials containing the surface-functionalized particulates of (ii) incorporated into a fluoropolymer; (iv) crosslinked versions of (iii); v) methods for producing the crosslinked material of (iv); and (vi) articles of manufacture containing the compositions (iii) and (iv).

Abstract: The present disclosure provides a flow regulator capable of regulating flow resistance of a fluid by adjusting helical pitch of the flow regulator. The flow regulator comprises: a channel, a rod, and a helical coil. The channel has a fluid inlet and a fluid outlet for a fluid flowing in and out of the flow regulator, respectively. The rod has a fore end and a rear end opposite to each other. The fore end is inside the channel, and the rear end is closer to the fluid outlet than the fluid inlet. The helical coil winds around the rod, and the helical pitch of the helical coil is adjustable for regulating flow resistance of the fluid. The channel further has a narrowed section where part of the helical coil located therein substantially occupies an annular space between the rod and an inner wall of the channel.

Abstract: A heatsink includes, a fin base that receives heat from a heat generating part; a cover that cooperates with the fin base to form a flow path of coolant along which the coolant flows; a plurality of fins formed on the fin base and partitioning the flow path into a plurality of small flow paths; and an adjustment plate vertically disposed between the fin base and the cover, and perpendicularly disposed with respect to the plurality of fins, wherein the adjustment plate including different height potions.

Abstract: An on-site hot-melt quick connector for optical fibers comprises a plug housing, a ferrule, an optical fiber telescopic protective tube, a tail end cover, a pressure welding protective tail handle and a compression ring. A front baffle ring is mounted in the plug housing and a rear baffle ring is mounted in the tail end cover. The ferrule and the optical fiber telescopic protective tube are positioned between the front baffle ring and the rear baffle ring and can move in the axial direction. As the quick connector for optical fibers of the invention has a definite space for movement in the axial direction, the optical fibers themselves can move along with the plugging action during butting, avoiding the bending of the optical fibers caused as they are unable to move, thus guaranteeing the transmission quality of the optical signals. The service life of the quick connector is also guaranteed.

Abstract: An auto-centering apparatus of a steady rest has: a base part; a main support part installed on the top of the base part, and a loading unit installed on the top of the main support part; at least one side support part installed on the top of the base part and located at least one side of the main support part, and a loading unit installed on the top of the side support part; a lift-up module installed in the base part and coupled to the main support part; and a connecting unit installed between the main support part and the side support part.

Abstract: A digitally-controlled power amplifier (DPA) includes a radio-frequency (RF) clock input, an amplitude control word (ACW) input, and a plurality of DPA cells. The RF clock input is arranged for receiving an RF clock. The ACW input is arranged for receiving a digital ACW signal. The DPA cells are coupled to the RF clock and the digital ACW signal, wherein at least one of the DPA cells is gradually turned on and off in response to at least one bit of the digital ACW signal.

Abstract: A cooling unit includes a radiator, a rigid supply pipe connected to the radiator, and a refrigerant that is air-cooled by the radiator flows, a plurality of open nozzles provided at the supply pipe to correspond to the respective plurality of heat-generating components, a plurality of heat receiving units that are mounted to the respective plurality of heat-generating components and connected to the respective open nozzles, and allow a refrigerant supplied from the open nozzles to flow through internal channels, and a plurality of return pipes each of which is provided for each of the heat receiving units and joined to the heat receiving unit, and returns the refrigerant discharged from the heat receiving unit to the radiator, wherein the respective heat receiving units are connected to the supply pipe to be relatively displaceable, and the respective return pipes are connected to one another in series and relatively displaceably.

Abstract: This application provides a novel method for producing a tetracalcium phosphate-based fluorapatite. Also provided is a method of using the fluorapatite for repairing enamel defects.

Abstract: An electronic device includes: a heating element; a casing including a tightly sealed waterproof compartment where the heating element is disposed and a ventilation chamber being disposed adjacent to the waterproof compartment to allow outside air to flow; and a heat dissipation member provided at a side of the waterproof compartment of a partition wall partitioning the waterproof compartment and the ventilation chamber, wherein the heating element is disposed on the heat dissipation member and a thickness of the partition wall at a position where at least the heating element is disposed is thinner than that of other portions of the partition wall.

Abstract: A transformer power splitter has a plurality of output ports and an input port. The transformer power splitter includes a plurality of primary winding conductors and a plurality of secondary winding conductors. The secondary winding conductors are electrically connected to the output ports respectively. Each of the secondary winding conductors is electrically connected between a positive terminal and a negative terminal of a corresponding output port. The primary winding conductors are magnetically coupled to the secondary winding conductors respectively. The primary winding conductors are configured in a topology including series and parallel connections between a positive terminal and a negative terminal of the input port.

Abstract: A method for conserving network and battery usage is provided. The method includes determining that a device is communicating over at least two overlapping push channels and blocking one of the push channels to eliminate or reduce overlap between the at least two overlapping push channels. Related systems are also provided.

Abstract: According to one aspect, the subject matter described herein includes a method for signaling optimization in a wireless network utilizing proprietary and non-proprietary protocols. A first connection is established between an application on a mobile device and a local proxy on the mobile device, a second connection is established between the local proxy and a proxy server not located on the mobile device, and a third connection is established between the proxy server and a content server. A byte stream between client and server is communicated between the client and the server via the first, second, and third connections. The mobile device performs signaling optimization to optimize traffic over the second connection.

Abstract: A heat-receiver includes: a first plate that receives heat at one face from a heat generating body; a second plate that is disposed facing another face of the first plate with a spacing therebetween, and that has a greater plate thickness than a plate thickness of the first plate; a first coupling portion that couples together the first plate and the second plate; and a second coupling portion that couples together the first plate and the second plate at a position that faces across the first plate toward the heat generating body, with a gap between the second coupling portion and the first coupling portion through which a coolant is capable of passing, and that has a width along the other face of the first plate that is greater than a width of the first coupling portion, as viewed along the coolant passing direction.

Abstract: An auto-centering apparatus of a steady rest has: a base part; a main support part installed on the top of the base part, and a loading unit installed on the top of the main support part; at least one side support part installed on the top of the base part and located at least one side of the main support part, and a loading unit installed on the top of the side support part; a lift-up module installed in the base part and coupled to the main support part; and a connecting unit installed between the main support part and the side support part.

Abstract: A piping connection structure includes: a pipe; and an elastic tube connected to the pipe, the tube including a connection into which the pipe is inserted and fitted, and a main body linked seamlessly with the connection, wherein the main body includes a projection that is formed circularly along a circumferential direction of the main body, and across the main body in an axial direction, and projects into an inside of the tube in a radial direction with respect to an inner periphery of the connection.

Abstract: According to one aspect, the subject matter described herein includes a method for signaling optimization in a wireless network utilizing proprietary and non-proprietary protocols. A first session is established between an application on a mobile device and a local proxy on the mobile device, a second session is established between the local proxy and a proxy server not located on the mobile device, and a third session is established between the proxy server and a content server. A byte stream present within the first and second sessions is monitored to identify patterns within the byte stream. If a pattern is found, the pattern is used to determine a behavior of the application. If that behavior is one that is a candidate for optimization, signaling optimization is performed between the application and the content server.

Abstract: According to one aspect, the subject matter described herein includes a method for signaling optimization in a wireless network utilizing proprietary and non-proprietary protocols. A first session is established between an application on a mobile device and a local proxy on the mobile device, a second session is established between the local proxy and a proxy server not located on the mobile device, and a third session is established between the proxy server and a content server. A byte stream present within the first and second sessions is monitored to identify patterns within the byte stream. If a pattern is found, the pattern is used to determine a behavior of the application. If that behavior is one that is a candidate for optimization, signaling optimization is performed between the application and the content server.