Patent application number | Description | Published |
20100295487 | ULTRASONIC MOTOR DRIVING METHOD - An ultrasonic motor driving method, which drives the piezoelectric elements into two-two or three-three groups; within two-two group, one of the output terminals of the first and second piezoelectric elements are connected to the first and third nodes respectively, and the other terminals of the first and second piezoelectric elements are both connected to the second node which is the common ground terminal, the adjacent piezoelectric elements in one two-two group are polarized in sequence of “++−−”. Within three-three group, one of the output terminals of the first to third piezoelectric elements are connected to the first to third nodes respectively, and the other terminals of the first to third piezoelectric elements are all connected to the fourth node which is the common ground terminal, all piezoelectric elements are polarized in forward direction. Alternating voltage of two-phase in orthogonal or three-phase in symmetry is obtained by controlling the three-phase bridge inverting circuit to power each piezoelectric element. Therefore the voltage amplitude of the power supply and the number of transistors could be decreased effectively, and as a result the efficiency of driving circuit could be improved. | 11-25-2010 |
20130308207 | SENSING METHOD AND SYSTEM FOR FRESNEL LENS - A sensing method and system for Fresnel lenses are disclosed, the system including a first Fresnel lens unit for sensing the signal of a target object crossing a first boundary of a sensing area, a second Fresnel lens unit for sensing the signal of a target object crossing a second boundary of the sensing area, a third Fresnel lens unit for sensing the signal of a target object crossing a third boundary of the sensing area, and a sensing unit for receiving and processing the sensed signals of the Fresnel lens units. The first and second Fresnel lens units are arranged on two sides of the third Fresnel lens unit. Furthermore, it is possible to add more Fresnel lens units above, below or around the Fresnel lens units. By monitoring the boundaries of the sensing area, the sensing method and system for the Fresnel lenses improve the insufficiency of the sensing area, reduce cost and save power consumption. | 11-21-2013 |
20140183337 | MULTI SCENE DEPTH PHOTO SENSITIVE DEVICE, SYSTEM THEREOF, SCENE DEPTH EXPANDING METHOD, AND OPTICAL IMAGING SYSTEM - The present invention relates to a multi-depth-of-field light-sensing device, a system, a depth of field extension method, and an optical imaging system. The multi-depth-of-field light-sensing device includes at least two light-sensing pixel layers capable of inducing a light source, where the at least two light-sensing pixel layers are arranged at an interval of a preset distance, so that different light signals from a lens at a specific distance from the light-sensing device are focused to the different light-sensing pixel layers. The multi-depth-of-field light-sensing device of the present invention can implement automatic focusing without using any electrically operated mechanism or complex and precise mechanical component, and have good depth of field extension performance. | 07-03-2014 |
20140209789 | HYBRID MULTI-SPECTRUM PHOTOSENSITIVE PIXEL GROUP, PHOTOSENSITIVE DEVICE, AND PHOTOSENSITIVE SYSTEM - The present invention relates to a mixed multi-spectrum light-sensing pixel group, a light-sensing device, and a light-sensing system. The mixed multi-spectrum light-sensing pixel group includes at least one chemical coating light-sensing pixel and at least one semiconductor light-sensing pixel. In the present invention, the chemical coating light-sensing pixel and the semiconductor light-sensing pixel are combined to generate a mixed multi-spectrum light-sensing pixel, numerous color signals and other spectral signals may be simultaneously obtained, energy of incident photons can be maximally utilized, and the theoretical upper limit of photoelectric conversion efficiency is achieved or approximately achieved; colors may be completely reconstructed, and meanwhile images of other spectrums including an ultraviolet image, a near-infrared image, and a far-infrared image are obtained. | 07-31-2014 |
Patent application number | Description | Published |
20080238254 | Screw Thread Driving Polyhedral Ultrasonic Motor - A screw thread driving polyhedral ultrasonic motor includes a stator, a rotor and multiple piezoelectric plates being bonded to the stator or the rotor. The stator and the rotor have screw threads matched with each other. The stator and the rotor are connected via the screw threads. | 10-02-2008 |
20100141771 | Multi-Spectrum Sensing Device And Manufacturing Methods Thereof - A multi-spectrum sensing device comprises a top layer and a bottom layer. The top layer comprises sensing pixels for sensing a first group of colors. The bottom layer comprises sensing pixels for sensing a second group of colors. At least one of the layers comprises sensing pixels having at least two or more than two spectra. | 06-10-2010 |
20130062506 | MULTI-SPECTRUM PHOTOSENSITIVE DEVICE - A multi-spectrum photosensitive device comprises two, three, or four composite sensing pixels arranged in layers up and down in a base layer of P-type or N-type silicon by means of single-sided processing or double-sided processing, each composite sensing pixels can sense respectively spectrum orthogonal or complementary to each other in visible light or visible and infrared light. The basic sensing pixels on different layers of the composite sensing pixels can be designed to sense different colors or spectrums, so that a multi-spectrum photosensitive chip can be achieved by repeatedly arranging the macro units consisting of more than one composite sensing pixel. The present disclosure also includes a new multi-layer sensing pixel, and examples of which used in a single-sided double-layer, or a double-sided double-layer, or a double-sided three-layer, or a double-sided four-layer, or a single-sided mixed double-layer, or a double-sided mixed with double-layer or a multi-layer multi-spectrum sensing device. A multi-spectrum photosensitive device according to the present disclosure has the advantage of better color sensing performance, integration of color sensing and infrared sensing, and a simple processing technique. | 03-14-2013 |
20130062512 | MULTI-SPECTRUM PHOTOSENSITIVE DEVICE AND MANUFACTURING METHOD THEREOF - The present disclosure relates to a multi-spectrum photosensitive device and manufacturing method thereof. The multi-spectrum photosensitive device comprises at least one opaque base layer; each base layer having at least two sides, at least two of the sides are provided with photosensitive pixel groups, each photosensitive pixel group is used for sensing light of either spectrum irradiated from the obverse direction of the located side. Alternatively, the multi-spectrum photosensitive device comprises at least one transparent base layer; each base layer having at least two sides, at least two of the sides are provided with photosensitive pixel groups, each photosensitive pixel group is used for sensing light of interested spectrum irritated from the obverse direction or reverse direction of the located side. The present invention could be used to simultaneously sense different views of two directions or to sense a view of one direction by using the same sensing device to carry out double-direction sensing, thereby improving the performance of sensing device. | 03-14-2013 |
20130068932 | PHOTOSENSITIVE DEVICES AND METHODS AND CIRCUITS FOR READING THE SAME - The present application relates to a photosensitive device as well as a reading method and a reading circuit thereof. The photosensitive device comprises a pixel array and a read circuit, wherein a transfer gate for connecting adjacent pixels and transferring charge between the connected pixels is arranged among at least some designated pixels in the pixel array, the read circuit is used for reading charge of a pixel in the pixel array, said charge is at least one of self-charge of said pixel, charge transferred from an adjacent pixel of said pixel, superposition of the self-charge of said pixel and the charge transferred from one or more pixels adjacent to said pixel, and superposition of the transfer charges of two or more pixels adjacent to said pixel. | 03-21-2013 |
20130068934 | MULTI-SPECTRUM PHOTOSENSITIVE DEVICES AND METHODS FOR SAMPLING THE SAME - A multi-spectrum photosensitive device and method for sampling the same, the method includes a first combining process for combining-and-sampling two adjacent pixels in same row different column, or in different row same column, or in different row different column in the pixel array to obtain a sampling data of a first combined pixel; a second combining process for combining-and-sampling the sampling data of the first combined pixel obtained from the first combining unit to obtain a sampling data of a second combined pixel; and a third combining process, a sampling data of a third combined pixel is obtained by a method for color conversion and image scaling in a digital space. The application is applied for a multi-pixel sharing reading and amplifying circuit of a single-layer color photosensitive chip, a single-sided multi-layer photosensitive chip, and a double-sided double-layer photosensitive chip. In the basis of the spirit of the existing pixel reading circuit, the application has orders of magnitude breakthrough in principle, basic circuit and performance, and implements a YUV format output of a sub-sampling image in a photosensitive device at the same time of implementing sub-sampling with high performance. | 03-21-2013 |
20150087244 | PHONE - A phone comprises a shell, a first communication module for communicating via a first communication network, a detection signal acquisition component as well as a sensor chip and a processing module for security monitoring, wherein the first communication module, the sensor chip and the processing module are accommodated inside the phone shell, and the detection signal acquisition component is mounted on the surface of the phone shell. Due to the integration of additional components related to security monitoring, the phone disclosed herein becomes an integrated device with both functions of basic communication and security monitoring. In addition, the resulted phone with security monitoring function has good characteristics of stealth and invisibility. | 03-26-2015 |
Patent application number | Description | Published |
20100111164 | Method and System for Data Management in a Video Decoder - A method and system for minimizing bus traffic in a video decoder is disclosed. A method and system for processing a portion of a reference picture includes designating the reference picture, selecting a display picture within the reference picture, transmitting a display picture size, and sending a display picture offset. A method and system for compressing IDCT coefficients corresponding to a macroblock, the macroblock having a plurality of blocks, includes locating each non-zero IDCT coefficient corresponding to one of the plurality of blocks, assigning an index to the non-zero IDCT coefficient, the index designating a location within the one of the plurality of blocks, packing the non-zero IDCT coefficient in little endian format, and specifying a terminator bit corresponding to the non-zero coefficient, the terminator bit indicating the end of all non-zero IDCT coefficients for the one of the plurality of blocks. A method and system for selectively controlling each hardware device within a video decoder includes obtaining a video stream, performing VLC decoding, encoding a plurality of instructions to control each hardware device within the video decoder, decoding each one of the plurality of instructions, and optionally performing an IDCT in response to each one of the plurality of instructions. | 05-06-2010 |
20140010313 | Method and System for Data Management in a Video Decoder - A method and system for minimizing bus traffic in a video decoder is disclosed. A method and system for processing a portion of a reference picture includes designating the reference picture, selecting a display picture within the reference picture, transmitting a display picture size, and sending a display picture offset. A method and system for compressing IDCT coefficients corresponding to a macroblock, the macroblock having a plurality of blocks, includes locating each non-zero IDCT coefficient corresponding to one of the plurality of blocks, assigning an index to the non-zero IDCT coefficient, the index designating a location within the one of the plurality of blocks, packing the non-zero IDCT coefficient in little endian format, and specifying a terminator bit corresponding to the non-zero coefficient, the terminator bit indicating the end of all non-zero IDCT coefficients for the one of the plurality of blocks. | 01-09-2014 |
Patent application number | Description | Published |
20150354041 | HIGHLY CORROSION-RESISTANT, HIGH STRENGTH, A1-CONTAINING WEATHERING STEEL PLATE AND PROCESS OF MANUFACTURING SAME - The invention provides a highly corrosion-resistant, high strength, Al-containing weathering steel plate, wherein the chemical composition comprises in weight percentages (wt %) of: C: 0.02-0.07%, Si: 0.2-1.0%, Mn: 0.2-2.2%, P≦0.01%, S≦0.006%, Cu: 0.2-0.5%, Cr: 0.5-3.5%, Ni: 0.2-1.2%, Al: 0.4-4.0%, N≦0.005%; selectively added one or more of Nb: 0.01-0.06%, Ti: 0.01-0.10%, V: 0.02-0.10%; the balance of Fe and unavoidable impurities, wherein Al/Cr is 0.5-8.0. The steel plate has a yield strength of 350-500 MPa, an elongation of 20% or more, a relative corrosion rate of 27% or less and a good impact toughness and a low yield ratio. The present application also provides a method for manufacturing the weathering steel plate. | 12-10-2015 |