Abstract: A MEMS microphone includes a silicon substrate, a diaphragm connected to the silicon substrate, a backplate opposed from the diaphragm for forming an air gap. The backplate defines a plurality of first through holes and a plurality of second through holes surrounded by the first through holes, each of the first through holes being formed by a straight boundary and an arc boundary, the radius of the second boundary being greater than half the width of the first boundary.

Abstract: A composite membrane for a capacitor, comprising: a carrier; a mixture of a catalytic material for catalyzing hydrogen and oxygen, and a dispersion resin. The catalytic material is selected from the group consisting of a precious metal in Group VIII of the periodic table of elements and their alloys, and a rare earth metal of the La group of rare earth metals and their alloys. The carrier is a film formed by at least one of the following: polypropylene, polyethylene, polytetrafluoroethylene and polyamide. The carrier can include asbestos fibers, polypropylene fibers, or their mixture. The dispersion resin can be one of the following: ethylene, Nafion™, polyvinyl alcohol, polyethylene, CMC, and the like. The present disclosure also provides a method for making a composite membrane, and a capacitor with the composite membrane.

Abstract: A scalable coder having a grid motion estimation and compensation module (110), a motion compensation temporal filtering module (105), a scalable coding module (115), a discrete transformation module (120), and a packetization module (135). The grid-motion estimation and compensation module (110) outputs a scalable motion vector from the source video data, supplied resolution and bit rate parameters. The motion compensation temporal filtering module (105) generates, from the source video data and the scalable motion vector, a residual image corresponding to the difference between the present and previous image frames. The scalable coding module (115) is coupled to receive and encode the scalable motion vector. The discrete transformation module (120) is configured to receive and domain transform the supplied video to a sequence of coefficients.

Abstract: A battery testing apparatus includes a charge circuit, a discharge circuit, a computer, and a control circuit. The charge circuit is coupled to a direct current (DC) adapter, the DC adapter charges a battery through the charge circuit. The discharge circuit is coupled to the battery and configured to discharge the battery. The computer records charge/discharge time and charge/discharge cycles of the battery, and calculates capacity and cycle life of the battery according to the time and cycles of charge and discharge. The control circuit has an input terminal coupled to the computer, and a plurality of output terminals respectively coupled to the charge circuit and the discharge circuit, the control circuit controls the charge and discharge circuits charging and discharging the battery.

Abstract: A reconfigurable harness board system is provided for assembling a wire harness for an electrical panel and comprises a plurality of sub-harness modules. Each sub-harness module defines a swappable template for a wire harness for a respective electrical component for the electrical panel. Select ones of the sub-harness modules are mounted to a frame according to a first layout of electrical components for the electrical panel to create a reconfigurable harness board system in which each sub-harness module is detachable from the frame to be swapped with a different sub-harness module in order to reconfigure the harness board system according to a second layout of electrical components.

Abstract: A Method for encoding a picture with a first region and a second region is described wherein the first region is encoded according to a first encoding scheme, the second region is encoded according to a second encoding scheme and the second encoding scheme is carried out taking a parameter representing the visual perception of the second region into account.

Abstract: An automatic soldering machine includes a frame assembly, an electric iron and a movable module fixed on the frame assembly. The movable module is used for making the electric iron connected with the movable module randomly move to a specified position at a predetermined area. The movable module includes a first driving unit having a first leading element movable along a first axis, a second driving unit having a second leading element movable along a second axis perpendicular to the first axis, a third driving unit having a third leading element movable along a third axis perpendicular to the first and second axis and a rotating unit capable of rotating around an axis thereof. The third driving unit is connected with the first leading element. The second driving unit is connected with the third leading element. The rotating unit is connected with the second leading element.

Abstract: An automatic convey device adapted for pushing and grouping a plurality of connectors includes a frame assembly, a holding module and a feeding module disposed on the frame assembly respectively. The holding module has a plurality of positioning units for positioning the connectors. The feeding module includes a power unit, a sliding unit disposed on the frame assembly, a plurality of pushing units and a grouping unit mounted to the sliding unit respectively. The pushing units are capable of repeatedly pushing the respective connectors move forward until the connectors are positioned by the positioning units and then move backward for repeating the last action to push the next connectors forward. The grouping unit is capable of repeating the action of pushing forward the connector positioned by the forward positioning unit and capable of being controlled by the power unit to disconnect with or connect with and push the corresponding connectors.

Abstract: An automatic wire cutting and twisting apparatus includes a chassis board on which a start-terminal mounting rack, an end-terminal mounting rack, and a mounting track are mounted. The start-terminal mounting rack opposes a start terminal of the mounting track. The end-terminal mounting rack is position-adjustably coupled to an end terminal of the mounting track. A wire cutting mechanism is mounted on the start-terminal mounting rack and forms ingress and egress for wires. A wire twisting mechanism includes start-terminal and end-terminal rotation sections respectively mounted on the start-terminal and end-terminal mounting racks. A wire dragging mechanism includes a start-terminal dragging section mounted on the chassis board and a slidable dragging section movable above the mounting track. A wire pick-up mechanism is position-adjustably mounted on the mounting track.

Abstract: A real time, average pressure difference method for monitoring doser efficiency is described that determines the difference between the average pressure when the doser is not injecting and the average pressure when the doser is injecting at a predetermined commanded injection rate. The average pressure difference method results in improved doser efficiency monitoring. The method can be implemented in a number of areas. For example, in a diesel truck application, the doser efficiency can be monitored accurately in real time.

Abstract: A real time doser efficiency monitoring method is described that measures the average instant pressure difference within one duty cycle of the doser injector. The disclosed method results in improved doser efficiency monitoring. The disclosed method can be implemented in a number of areas. For example, in a diesel truck application, the doser efficiency can be monitored accurately, for example within 5% error, all the time, no matter whether the truck is in a transient or steady state.

Abstract: A test circuit adapted in a display panel of an electronic device is provided. The test circuit is to test the pixel array function of the display panel, wherein the test circuit comprises: a plurality of test signal lines, a plurality of test signal transmitters, a plurality of gate lines and at least one static electricity protection device. The test signal lines receive a plurality of corresponding test signals respectively. The test signal transmitters comprises a plurality test signal transmitter groups comprising at least one transmitter, wherein each transmitter group corresponds to a test signal line and connects the test signal line and the to pixel array. Each gate line connects to the gate of the at least one transmitter. The static electricity protection device is placed between two of the gate lines.

Abstract: A method for transforming a digital signal from the time domain into the frequency domain and vice versa using a transformation function comprising a transformation matrix, the digital signal comprising data symbols which are grouped into a plurality of blocks, each block comprising a predefined number of the data symbols. The method includes the process of transforming two blocks of the digital signal by one transforming element, wherein the transforming element corresponds to a block-diagonal matrix comprising two sub matrices, wherein each sub-matrix comprises the transformation matrix and the transforming element comprises a plurality of lifting stages and wherein each lifting stage comprises the processing of blocks of the digital signal by an auxiliary transformation and by a rounding unit.

Abstract: A method for performing a domain transformation of a digital signal from the time domain into the frequency domain and vice versa, the method including performing the transformation by a transforming element, the transformation element comprising a plurality of lifting stages, wherein the transformation corresponds to a transformation matrix and wherein at least one lifting stage of the plurality of lifting stages comprises at least one auxiliary transformation matrix and a rounding unit, the auxiliary transformation matrix comprising the transformation matrix itself or the corresponding transformation matrix of lower dimension. The method further comprising performing a rounding operation of the signal by the rounding unit after the transformation by the auxiliary transformation matrix.

Abstract: An automatic wire cutting and twisting apparatus includes a chassis board on which a start-terminal mounting rack, an end-terminal mounting rack, and a mounting track are mounted. The start-terminal mounting rack opposes a start terminal of the mounting track. The end-terminal mounting rack is position-adjustably coupled to an end terminal of the mounting track. A wire cutting mechanism is mounted on the start-terminal mounting rack and forms ingress and egress for wires. A wire twisting mechanism includes start-terminal and end-terminal rotation sections respectively mounted on the start-terminal and end-terminal mounting racks. A wire dragging mechanism includes a start-terminal dragging section mounted on the chassis board and a slidable dragging section movable above the mounting track. A wire pick-up mechanism is position-adjustably mounted on the mounting track.

Abstract: A method for inter-mode prediction in video coding, the method comprising checking a data block of an image for zero motion; computing frame difference of the data block based on the checking for zero motion; and making an inter-mode prediction selection based on the computed frame difference.

Abstract: An audio adapter includes a first audio interface, a second audio interface, and two second amplifiers. The power pin of the second audio interface is connected to the non-inverting terminals of the two amplifiers. The left and right ear audio pins of the second audio interface are respectively connected to the inverting terminals of the first and the second amplifiers via two current-limiting resistors respectively. Two variable resistors are respectively connected between the inverting terminal and the output terminal of the two amplifiers. The output terminals of the two amplifiers are respectively connected to the left and right ear audio interface of the first audio interface and respectively connected to the ground pin of the first audio interface via two voltage-limiting resistors respectively.

Abstract: A wire harness projection guidance system comprises a support stand for supporting a wire harness board used to construct a wire harness. A projector is mounted to the support stand for projecting an image onto a wire harness board supported on the support stand. A memory stores data representing wire route for each of a plurality of individual wires in a wire harness. A programmed processing system is operatively coupled to the memory and the projector for generating a series of images to be projected by the projector. Each image in the series represents one of the stored wire routes for an associated individual wire.

Abstract: A liquid crystal display (LCD) system is provided. The LCD system includes a light-passable plate, an LCD panel and a controller. The light-passable plate is configured to allow natural light to pass through the light-passable plate; and the LCD panel is coupled to the light-passable plate and is configured to receive the natural light passing through the light-passable plate. Further, the controller is coupled to the LCD panel to control the LCD panel such that the natural light passing through the light-passable plate is used as backlight for operation of the LCD panel. The light-passable plate structurally supports the LCD panel in addition to providing the natural light to the LCD panel.

Abstract: A liquid crystal display (LCD) system is provided. The LCD system includes a light source and a self-contained display unit including at least a LCD panel and a light guide plate coupled together, wherein the light guide plate is configured to guide light from the light source to the LCD panel as backlight and to structurally support the LCD panel. Further, a plurality of pre-made hollow spaces are contained in the display unit configured to host components of the LCD system. The LCD system also includes a controller contained in the plurality of pre-made hollow spaces and coupled to the LCD panel to control the LCD panel such that the light passing through the light guide plate is used as backlight for operation of the LCD panel.