Abstract: Embodiments of the present disclosure provide method and apparatus for determining channel parameter. The determined channel parameter may be used for adaptive subband precoding. A method performed by a network device comprises determining at least one channel parameter for a subband related to a terminal device. The at least one channel parameter for the subband is calculated based on at least one channel parameter for a larger frequency band comprising the subband.

Abstract: A liquid cooling device includes first cold plates, second cold plates, a water divider, a first inlet pipe, a first outlet pipe, first connection pipes, second inlet pipes, second outlet pipes, second connection pipes. The water divider has inner inlet connectors and inner outlet connectors. The first inlet pipe connects one inner inlet connector and one first cold plate. The first outlet pipe connects one inner outlet connector and another one first cold plate. The first connection pipes each connect different two of the other first cold plates. The second inlet pipes respectively connect the other inner inlet connectors and some second cold plates. The second outlet pipes respectively connect the other inner outlet connectors and some second cold plates. The second connection pipes each connect different two second cold plates.

Abstract: A device for testing a group of radio-frequency (RF) chip modules and a method for using the same is disclosed. The device includes a signal analyzer, a power divider, control ICs, a signal controller, and a power combiner. The power divider receives an RF signal and transmits RF input signals to the RF chip modules and the control ICs in response to the RF signal. The signal controller controls each control IC to adjust at least one of the power and the phase of the corresponding RF input signal, thereby generating an RF output signal. The power combiner receives the RF output signal from each control IC to generate a test signal. The signal analyzer receives the test signal and obtains RF properties corresponding to at least one of the power and the phase of each RF output signal.

Abstract: A system for testing antenna-in-package (AiP) modules and a method for using the same is disclosed. Firstly, AiP modules respectively receive RF signals from a testing transmitting antenna. Then, at least one of the power and the phase of each of the RF signals is adjusted to generate modulated RF amplified signals as recognition tags with difference. The RF amplified signals are received from each control integrated circuit (IC) and the power of the modulated RF amplified signals is summed to generate a net mixed test signal. Finally, the test signal is received and RF properties corresponding to at least one of the power and the phase of each of the RF amplified signals as recognition tags are obtained. The method can simultaneously test a plurality of AiP modules to shorten the test time.

Abstract: An antenna measurement system includes an array of antennas, an array of reflectors, and a measurement surface. The array of antennas includes a plurality of antenna elements arranged in a straight line; any two adjacent antenna elements in the above antenna elements are separated by a predetermined distance, and each of the antenna elements in the above antenna elements has a radiator and a feed point. The array of reflectors includes at least one reflector and is arranged in a width direction or a height direction, and the array of reflectors is configured to generate a reflection signal according to a signal sent by the array of antennas. An antenna to be measured is configured to perform a measurement operation on the reflection signal on the measurement surface.

Abstract: A polishing fixture and a polishing system are disclosed. The polishing fixture includes a supporting platform, and an operating platform detachably and fixedly connected to the supporting platform. The operating platform includes at least two locating pins, the supporting platform and the operating platform are fixedly connected together to form a placement platform for the product to be polished. The object of the present invention is to provide a polishing fixture and a polishing system, after hundreds of products are fixed by the polishing fixture, the polishing equipment is capable of polishing hundreds of products at one time, which improves the polishing efficiency and reduce the rejection rate of the polishing products at the same time, and the rejection rate is as low as about three per thousand.

Abstract: An antenna measurement system includes an array of antennas, an array of reflection discs, and a measurement surface. The array of antennas includes a plurality of antenna elements arranged in a straight line; any two adjacent antenna elements in the above antenna elements are separated by a predetermined distance, and each of the antenna elements in the above antenna elements has a radiator and a feed point. The array of reflection discs includes at least one reflection disc and is arranged in a width direction or a height direction, and the array of reflection discs is configured to generate a reflection signal according to a signal sent by the array of antennas. An antenna to be measured is configured to perform a measurement operation on the reflection signal on the measurement surface.

Abstract: A light sensor may capture a first pattern of nonvisible light reflected from reflective components on a surface of an article. A computing device may generate, based on the first pattern of nonvisible light and an article design selected by a user, a first design image. An image projector may project the first design image at a target area containing at least part of the article.

Abstract: Systems and techniques are provided for a real-time motion capture and projection system. Infrared cameras may be positioned in an area. The infrared cameras may generate infrared images of portions of the area and transmit the infrared images as motion capture data. An image processing system may receive the motion capture data from the infrared cameras and generate projector instructions. Projectors may be positioned in the area. The projectors may receive the projector instructions from the image processing system and project visible light according to the projector instructions.

Abstract: A four-way switching valve core, comprising: a valve core shell; a rotation axis, with its upper end penetrating through the valve core shell; a fixing seat, connected to a lower end of the rotation axis; an upper ceramic plate, connected to a lower end of the fixing seat; a bottom cover, on which is provided with four water input-output ports, and is connected to a lower end of the valve core shell; a lower ceramic plate, on which is provided with four water passage holes, connected to and in communication with the four water input-output ports, and is connected to the bottom cover; and a water passage slot set, disposed on the upper ceramic plate, used to open and close the water passage holes. The four-way switching valve core further includes: a slot hole, a bead, a spring, and four position blocking slots.

Abstract: A transparent conductive film, including: a transparent substrate, including a body and a flexible connecting component extending from a side of the body, where a width of the flexible connecting component is less than a width of the side of the body from which the flexible connecting component extends, a conductive line is disposed on the flexible connecting component, and the body includes an induction area and a border area; a grid-shaped conductive layer, disposed in the induction area, where the conductive layer includes conductive wires intersecting each other; an lead electrode, disposed in the border area, where the conductive layer and the conductive line are electrically connected via the lead electrode. Since the flexible connecting component and the body are formed as an integrated part, it is unnecessary to separately adhere the flexible connecting component to the transparent conductive film thereby reducing adhering process and improving production efficiency.

Abstract: A conductive glass substrate includes a glass substrate, a silicon dioxide layer, and a conductive mesh line, the glass substrate defines a meshed groove on a surface thereof; the silicon dioxide layer is attached to the surface of the glass substrate having the groove; the conductive mesh line have a shape adapted to that of the groove, the conductive mesh line is deposited in the groove and attached to the glass substrate via the silicon dioxide layer. In the conductive glass substrate, the conductive mesh line is received in the groove, compared with the conventional conductive glass substrate, a flexible substrate as a supporting body is not needed, the cost is down, and the structure of the conductive glass substrate is simple, further reducing the process, saving manpower and resources. A method of preparing the conductive glass substrate is provided.

Abstract: A touch panel includes: a first transparent insulating substrate; a second transparent insulating substrate, comprising a first surface which is faced to the first transparent insulating substrate and a second surface opposite to the first surface; a sensing electrode layer, disposed between the first transparent insulating substrate and the second insulating substrate, the sensing electrode layer comprising a plurality of independently disposed sensing electrodes; and a driving electrode layer, disposed on the first surface or the second surface of the second transparent insulating layer, the driving electrode layer comprising a plurality of independently disposed driving electrodes, each driving electrode comprising a meshed conductive circuit. A method of manufacturing a touch panel is also disclosed. The touch panel has a lower cost and a higher sensitivity.

Abstract: A conductive film is disclosed in the present disclosure, which includes: a substrate having a first surface and a second surface opposite to each other; and a first conductive layer laid on the first surface, the first conductive layer includes a plurality of first conductive areas and first insulating areas, the first conductive areas include a metal mesh formed by a metal, the first insulating areas include an insulating mesh formed by an insulating metal sulfide, the insulating metal sulfide is obtained from a reaction between the metal and hydrogen sulfide. Accordingly, the problem of producing lots of wastewater of the metal salts and heavy metal pollution can be avoided, the insulating areas include the insulating mesh having a transmittance close to the metal mesh, benefit for reach a uniform transmittance of the touch screen, and avoid forming alternating light and dark color patches.

Abstract: A transparent conductive film, including: a transparent substrate, including a body and a flexible connecting component extending from a side of the body, where a width of the flexible connecting component is less than a width of the side of the body from which the flexible connecting component extends, a conductive line is disposed on the flexible connecting component, and the body includes an induction area and a border area; a grid-shaped conductive layer, disposed in the induction area, where the conductive layer includes conductive wires intersecting each other; an lead electrode, disposed in the border area, where the conductive layer and the conductive line are electrically connected via the lead electrode. Since the flexible connecting component and the body are formed as an integrated part, it is unnecessary to separately adhere the flexible connecting component to the transparent conductive film thereby reducing adhering process and improving production efficiency.

Abstract: A conductive glass substrate includes a glass substrate, a silicon dioxide layer, and a conductive mesh line, the glass substrate defines a meshed groove on a surface thereof; the silicon dioxide layer is attached to the surface of the glass substrate having the groove; the conductive mesh line have a shape adapted to that of the groove, the conductive mesh line is deposited in the groove and attached to the glass substrate via the silicon dioxide layer. In the conductive glass substrate, the conductive mesh line is received in the groove, compared with the conventional conductive glass substrate, a flexible substrate as a supporting body is not needed, the cost is down, and the structure of the conductive glass substrate is simple, further reducing the process, saving manpower and resources. A method of preparing the conductive glass substrate is provided.

Abstract: A touch panel includes: a first transparent insulating substrate; a second transparent insulating substrate, comprising a first surface which is faced to the first transparent insulating substrate and a second surface opposite to the first surface; a sensing electrode layer, disposed between the first transparent insulating substrate and the second insulating substrate, the sensing electrode layer comprising a plurality of independently disposed sensing electrodes; and a driving electrode layer, disposed on the first surface or the second surface of the second transparent insulating layer, the driving electrode layer comprising a plurality of independently disposed driving electrodes, each driving electrode comprising a meshed conductive circuit. A method of manufacturing a touch panel is also disclosed. The touch panel has a lower cost and a higher sensitivity.

Abstract: A touch panel includes: a first transparent insulating substrate; a second transparent insulating substrate, comprising a first surface which is faced to the first transparent insulating substrate and a second surface opposite to the first surface; a sensing electrode layer, disposed between the first transparent insulating substrate and the second insulating substrate, the sensing electrode layer comprising a plurality of independently disposed sensing electrodes; and a driving electrode layer, disposed on the first surface or the second surface of the second transparent insulating layer, the driving electrode layer comprising a plurality of independently disposed driving electrodes, each driving electrode comprising a meshed conductive circuit. A method of manufacturing a touch panel is also disclosed. The touch panel has a lower cost and a higher sensitivity.

Abstract: A touch screen includes: a first transparent insulating substrate; a second transparent insulating substrate, comprising a first surface which is faced to the first transparent insulating substrate and a second surface opposite to the first surface; a sensing electrode layer, disposed between the first transparent insulating substrate and the second insulating substrate, the sensing electrode layer comprising a plurality of independently disposed sensing electrodes, each sensing electrode comprising a mesh-like conductive circuit; and a driving electrode layer, disposed on the first surface or the second surface of the second transparent insulating layer, the driving electrode layer comprising a plurality of independently disposed driving electrodes. A method of manufacturing a touch screen is also disclosed. The touch screen has a lower cost and a higher sensitivity.

Abstract: A touch panel is disclosed including a rigid transparent insulating substrate; a sensing electrode layer formed on a surface of the rigid transparent insulating substrate, the sensing electrode layer includes a plurality independently disposed sensing electrodes; a transparent insulating layer formed on the sensing electrode layer; and a driving electrode layer formed on the transparent insulating layer, the driving electrode layer includes a plurality of independently disposed driving electrodes; each of the driving electrodes comprises a meshed conductive circuit; the meshed conductive circuit is embedded or buried in the transparent insulating layer. A manufacturing method of the touch panel is also provided. The touch panel has a low cost and a high sensitivity.