Abstract: The LLMICT transform matrices are orthogonal, hence their inverses are their transpose. The LLMICT transform matrices are integer matrices, which can be implemented with high precision eliminating the drift error in video coding. The fast algorithms for the LLMICT transform are found, thus allowing a lower requirement on computation hardware. The LLMICT is also found to have high transform coding gain due to its similarity to the DCT.

Abstract: The present invention provides an omnidirectional wind collection apparatus. The wind collector includes an outer housing with a peripheral wind inlet circumferentially formed therein. An inner housing disposed within the outer housing has an inner surface with a first opening at a lower end thereof to guide the collected wind to a smaller second opening at the top end. The inner surface is curved between the bottom and top openings to form a progressively narrower passage. The configuration of the inner surface creates a Venturi effect such that the wind is accelerated toward the second opening. A wind pass-through portion is formed above the second opening in the inner housing. Based on the Bernoulli effect, the passage of uncollected wind through this portion creates a low pressure region that expedites flow of collected wind through the first and second openings of the inner housing.

Abstract: The present invention relates to a method of channel estimation comprising two major steps. The first step is the least-squared and minimum mean-square error (MMSE) estimations on the pilot resource elements to generate the channel response estimates at the predefined pilot locations. The second step of the channel estimation, which utilizes the results from the first step to compute the channel response estimates for the remaining resource elements, comprises the following three operations: (i) averaging of each pair of adjacent pilot resource elements in the frequency direction to obtain the channel response estimate of the resource element in the middle of those two pilot resource elements; (ii) MMSE interpolation in the time domain for all the sub-carriers containing pilot signals; and (iii) linear interpolation in the frequency direction for all the sub-carriers not containing any pilot signals.

Abstract: An analog-to-digital converter (ADC) has a chopper-stabilized sigma-delta modulator (SDM). The SDM uses switched-capacitor integrators to sample, hold, and integrate an analog input in response to non-overlapping multi-phase clocks. Chopper multipliers are inserted on the inputs and outputs of an op amp in a first stage integrator. The chopper multipliers swap or pass through differential inputs in response to non-overlapping chopper clocks. A master clock operating at a frequency of the multi-phase clocks is divided down to trigger generation of the chopper clocks. Delay lines ensure that the edges of the chopper clocks occur before the edges of the multi-phase clocks. The chopper multipliers have already switched and are thus stable when multi-phase clocks change so charge injection at switches controlled by the multi-phase clocks is not immediately modulated by chopper multipliers. This clock timing increases the time available to respond to charge injection at switches improving linearity.

Abstract: The invention relates to adjusting the quantization parameter in digital video coding. A shift value (QP Shift) is used to adjust the quantization parameter. The shift value is determined in a determining step 101. The video nature is determined and compared with a threshold in a comparing step 102 to adjust the shift value adaptively according to the frame type in an adjusting step 103. The shift value shifts the quantization parameter in a shifting step 104.

Abstract: Systems and methods for time synchronization of orthogonal frequency-division multiplexing (OFDM)-based communications are disclosed. A cyclic prefix (CP) correlation-based timing synchronization method is disclosed for early path (e.g. first-received path) detection for OFDM-based communication. Systems and methods are disclosed for performing double peak value detection in an OFDM-based system for reliably detecting an early (e.g., first-received) path in a received OFDM symbol for use in timing synchronization. In the double peak value detection method, a first peak value detection is performed to detect the path with the largest power, and a second peak value detection is then performed to detect a desired early (e.g., first-received) path. A compensation linear curve is used to facilitate the second peak value detection.

Abstract: Systems and methods which utilize a current null cut reflector dipole antenna configuration are shown. According to embodiments, a plurality of current null points are identified with respect to an antenna element reflector configuration whereby a reflector is provided which terminates at the identified current null points. Accordingly, a noncontiguous reflector is provided in current null cut reflector dipole antenna elements. The discontinuity in the noncontiguous reflector is utilized for disposing signal feed paths providing a feed network to the dipole antenna element of the current null cut reflector dipole antenna. Accordingly, current null cut reflector dipole antennas of embodiments may be provided in configurations which are relatively simple and inexpensive to manufacture, such as two-sided printed circuit board configurations.

Abstract: A remote control device comprising a motion detector consisting of a single accelerometer, means for receiving data from the motion detector and mapping the received motion detector data to at least one user instruction, and means for transmitting a signal indicative of the at least one user instruction.

Abstract: A head-up display including a hybrid illumination system is provided. A light mixing unit provides a substantially homogenous light source to a reflective display unit. A concentrating optics unit collects ambient light and directs it towards the light mixing unit. At the same time, an electrically-powered light source emits light which is directed towards the light mixing unit. One or more optical elements direct the ambient light and the light source light into the light mixing unit for homogenization. A condensing unit receives the homogenized light mixture and outputs the condensed light to a polarizing beam splitter. A reflective display modulates the light from the polarizing beam splitter with information from a source of electrical information signals back towards the polarizing beam splitter. A projection unit projects the modulated light to create an image on a windshield.

Abstract: An interactive projection device includes a light source configured to emit an input light beam, wherein the light source comprises a visible light emitting device; a first beam splitter configured to split the input light beam into first and second split light beams; a second beam splitter configured to split a scattered light beam received from a surface into third and fourth split light beams; an image forming device configured to produce an image light beam based on the first split light beam and emit the image light beam onto the surface through the first and second splitters, thereby generating a projection image on the surface; and a detector configured to detect the invisible light of the third split light beam, thereby acquiring a scattering image from the surface.

Abstract: A tire pressure monitoring sensor moveable inside a tire includes a housing holding a pressure sensing/transmitting unit, one or more batteries and an antenna for transmitting a signal indicating interior tire pressure. In one embodiment, the components are assembled within the housing such that the center of gravity is along a housing geometric center. During tire rotation, the monitor independently rotates within the tire and is particularly useful for slow-rotating tires, such as those used in gantry systems. Alternatively, the pressure monitoring sensor components are assembled within the housing such that the center of gravity is offset from a housing geometric center. Centripetal force generated during tire rotation causes the monitor to rotate with the tire itself and is useful for faster-rotating tires, such as motor vehicle tires. A tire pressure monitoring system includes the monitor and a receiver positioned outside the tire for receiving the monitoring signals.

Abstract: The subject matter disclosed herein relates to an optical module that includes interchangeable lenses to adjust a zoom level of the optical module.

Abstract: A coordinate locating device for a display apparatus is provided, which can have lower manufacturing costs and can locate the coordinates of a single or multiple objects. The coordinate locating device includes a light source configured to emit light, wherein said light source comprises a light emitting device, at least one reflector configured to reflect the light from the light source, and a detector configured to detect the light reflected by the at least one reflector, wherein the light source and the detector are disposed at different positions on the same edge of the coordinate locating device.

Abstract: A cascaded sigma-delta modulator has several modulator loops that have one or two sets of integrators, summers, and scalers, and a quantizer that generates a loop output. Input muxes to each loop select either an overall input or the loop output from a prior loop, allowing the modulator loops to be cascaded in series or to operate separately. Filter-configuring muxes after each modulator loop select either that loop's output or a loop output from any prior loop, or a zero. Each filter-configuring mux drives an input to a modified CIC filter. The modified CIC filter has an initial delay stage that receives the first filter-configuring mux output, and successive integrator stages that each receives a successive filter-configuring mux output. The modified CIC filter is a combination of a digital transform filter and a Cascaded-Integrator-Comb (CIC) filter. Modulator loops are powered down for lower-performance configurations or cascaded together for higher-performance configurations.

Abstract: An antenna system comprises a ground plane, a flexible substrate, a first antenna element disposed upon the flexible substrate and proximal to the ground plane, the flexible substrate configured so as to be at least partially rolled, and a Radio Frequency (RF) module in communication with the first antenna element and transmitting and receiving radio waves through the first antenna element.

Abstract: A Successive-Approximation Register Analog-to-Digital Converter (SAR-ADC) predicts compensation values for use in a future cycle. A compensation value is applied to capacitors in a calibration Y-side capacitor array to compensate for capacitance errors in a binary-weighted X-side capacitor array. Two compute engines pre-calculate predicted-0 and predicted-1 compensation values for a next bit to be converted. At the end of the current cycle when the comparator determines the current bit, the comparator also controls a mux to select one of the two predicted compensation values. Thus the compensation value is available at the beginning of the next bit's cycle, eliminating a long calculation delay. The compensation value for the first bit to be converted, such as the MSB, is calculated during calibration. Compensation values for other bits are data-dependent. Calibration values are accumulated during calibration to generate the first conversion compensation value for the first bit to be converted.

Abstract: A system comprising a NAND flash memory device having a multiplicity of parameters; a flash controller configured to perform a NAND flash memory parameter automatic detection process including reading a device identifier of the NAND flash memory device and proceeding if a valid device identifier value is returned, detecting an address cycle and a block type of the NAND flash memory device, detecting a page size of the NAND flash memory device, detecting a spare size of the NAND flash memory device, detecting a memory size of the NAND flash memory device, and detecting a block size of the NAND flash memory device.

Abstract: A calibrating Analog-to-Digital Converter (ADC) has an X-side array with binary-weighted capacitors that connect to an X-side line and a Y-side array connected to a Y-side line. Each array has binary-weighted capacitors from a most-significant-bit (MSB) to a least-significant-bit (LSB), but the LSB capacitor is duplicated as a termination capacitor and a middle capacitor between upper and lower groups is also duplicated as a surrogate capacitor. During calibration, lower array capacitors are switched low while the upper capacitors are driven by a thermometer-code value on both X and Y arrays. The thermometer value is inverted to the X-array but remains uninverted on the Y array. The lower array bits are tested to final a calibration value that has X and Y side voltages balanced.

Abstract: The present invention provides a method of super flat chemical mechanical polishing (SF-CMP) technology, which is a method characterized in replacing laser lift-off in a semiconductor fabricating process. SF-CMP has a main step of planting a plurality of polishing stop points before polishing the surface, which is characterized by hardness of the polishing stop points material being larger than hardness of the surface material. Therefore, the present method can achieve super flat polishing surface without removing polishing stop points.

Abstract: A content distribution method with broadcast encryption, comprising: executing a setup process, comprising: generating public domain parameters, generating a server secret, and generating one or more client private keys, one for each content receiving client; executing an encryption process, comprising: generating a cipher text using the server secret, a subscriber set, and a randomness, the cipher text being constant and independent of total number of content receiving clients in a distribution network, generating a plain text using the server secret and the randomness, encrypting an original content into an encrypted content using the plain text; distributing the client private keys to the content receiving clients; distributing the cipher text to the content receiving clients; broadcasting the encrypted content through the distribution network; and executing a decryption process on the encrypted content by each of the content receiving clients in the distribution network.