Patent application number | Description | Published |
20100027559 | TRANSMISSION DEVICE AND DATA EXTENDED TRANSMISSION METHOD - The invention discloses a transmission device. The transmission device includes an interface circuit, a data converting circuit, at least a physical layer and a transmission medium. The interface circuit is used to receive a PCIe signal or a PCI signal. The data converting circuit is coupled to the interface circuit and used to convert the PCIe signal or the PCI signal into at least a data packet. The physical layer is coupled to the data converting circuit and used to process and transfer the data packet. The transmission medium receives and transfers the data packet. | 02-04-2010 |
20100103183 | REMOTE MULTIPLE IMAGE PROCESSING APPARATUS - A remote multiple image processing apparatus comprises a graphic processing unit, a memory unit, an image compression unit, a transmission unit and a transmission medium. The graphic processing unit receives at least an image frame including a plurality of image blocks, and determines the degree of the difference between the current input image block and the previous input image block. The memory unit, coupling to the graphic processing unit, stores the image blocks. The image compression unit, coupling to the memory unit, compresses the image blocks and generates at least a compressed datum. The transmission unit, coupling to the image compression unit, transforms the compressed datum into at least a data packet. The transmission medium outputs the data packet. The remote multiple image processing apparatus uses the compression technique to allow a client sharing the resources of graphic processing unit so as to get multiple use benefits. | 04-29-2010 |
20110167190 | Apparatus and method for distant bus extended system - The invention discloses a distant PCIe extended system. The distant PCIe extended system includes a local PCIe virtualization device (PVD), at least a transmission medium and at least a remote PVD. The PVD includes a PCIe PHY layer, a signal converting circuit, at least a PVD PHY layer and a transmission medium. The PCIe PHY layer is used to receive a PCIe physical signal. The signal converting circuit is coupled to the PCIe PHY layer and used to convert the PCIe data link layer packet into at least a PVD MAC packet. The PVD PHY layer is coupled to the signal converting circuit and used to process and transfer the PVD MAC packet. The transmission medium receives and transfers the PVD physical signal. | 07-07-2011 |
20160063667 | Graphic Remoting System With Masked DMA And Graphic Processing Method - An embodiment of a graphic remoting system of the present invention includes a network, a server and a client device. The network is applied to a RDP protocol. The server transfers display rendering commands which indicates a destination region through the network. The client device receives the display rendering commands. The client device of the present invention includes at least a graphic render engine, at least a surface, at least a mask generator, a plurality of mask buffer, at least a direct memory access with masks, and a plurality of display buffers. The surface is used for storing an image. The graphic render engine generates the image and stores the image into the surface according to the destination region. The mask buffers is used for storing bit masks; wherein the content values of the mask buffers are indicating updated areas of the image stored in the surface. The mask generator generates the bit masks according to the destination region, and stores the bit masks into the mask buffers. The direct memory access with masks reads the content values of a current mask buffer and a previous mask buffer of the plurality of mask buffers, and copies the image stored in the surface to output a copied image to the display buffer according to the content values of the current mask buffer and the previous mask buffer. The plurality of display buffers receive the copied image from the direct memory access with masks and reconstruct a complete image according to the copied image to output the complete image to a display device. | 03-03-2016 |
Patent application number | Description | Published |
20100272286 | Acoustic camera - An acoustic camera comprises a first sound pick-up device, a second sound pick-up device, and a switch. The switch is respectively connected to the first sound pick-up device and the second pick-up device and used to select the first sound pick-up device or the second sound pick-up device to reconstruct the sound field of the sound source of a detected object. The first sound pick-up device has a first microphone array, and the first microphone array is a near-field uniform microphone array. The second sound pick-up device has a second microphone array, and the second microphone array is a far-field non-uniform microphone array. | 10-28-2010 |
20110038487 | EARPHONE ACOUSTIC SIMULATION SYSTEM AND OPTIMAL SIMULATION METHOD OF THE SAME - An earphone acoustic simulation system and an optimal simulation method of the same is disclosed. The earphone acoustic simulation system comprises an earphone front end simulation circuit and an earphone back end simulation circuit for simulating acoustic environment of a front cavity and a back cavity inside an earphone, and an artificial ear simulation circuit is connected respectively with the earphone front end simulation circuit and the earphone back end simulation circuit. Variation of an impedance of the artificial ear simulation circuit represents the frequency response in the earphone cavity. Besides, the optimal simulation of the earphone acoustic simulation system utilizes simulated annealing algorithm to obtain the optimal parameter of the earphone cavity, and anticipates the SPL curve related to the optimal earphone cavity through utilizing the earphone acoustic simulation system. | 02-17-2011 |
20110091048 | Method for virtual bass synthesis - This invention relates to a method for virtual bass synthesis. The low frequency signal is attained by applying a low pass filter to the original. In order to reduce the operations, process of down sampling the low frequency signal, moving the low frequency signal to a series of harmonics whose frequencies are integral times as large as the frequency of low frequency signals, and then up sampling them are provided. By means of psycho-acoustic theory, the weights of harmonics are attained and applied to the harmonics. Finally the weighted harmonics are combined to produce the bass signal. As the result, the virtual bass effect which is almost the same as the low frequency of the original audio signal can be accomplished. Because the harmonic signals are high frequency ones, the virtual effect can be made in the panel speakers or ordinary low-end speakers. | 04-21-2011 |
20110158418 | DEREVERBERATION AND NOISE REDUCTION METHOD FOR MICROPHONE ARRAY AND APPARATUS USING THE SAME - A dereverberation and noise reduction method adapted for a microphone array and an apparatus using the same are proposed. The microphone array receives a plurality of audio signals from an audio source. The dereverberation and noise reduction method includes the following steps. The received audio signals are processed by a beamforming processing, and a first audio signal is generated. Besides, the received audio signals are processed by a suppression processing, and a suppression audio vector is generated. Further, suppression audio vector is processed by an adaptive filtering processing, and a second audio signal is generated. In addition, the second audio signal is subtracted from the first audio signal to acquire an audio output signal, where parameters of the adaptive filtering processing are adjusted according to a feedback of the audio output signal. | 06-30-2011 |
20120203526 | PIEZOELECTRIC PANEL SPEAKER AND OPTIMAL METHOD OF DESIGNING THE SAME - A piezoelectric panel speaker and an optimal method of designing the same is disclosed. In the structure of the speaker, at least one piezoelectric plate attached at a surrounding frame supports a diaphragm inside the surrounding frame. A spacer is inserted between the piezoelectric plate and the diaphragm. The structure of the piezoelectric plates fixed at the surrounding frame improves the speaker performance within the low frequency range. The finite element method is employed to build a mathematical model to simulate the sound pressure loading of the piezoelectric panel speaker. Also, the simulated annealing method is employed to approach the optimal design parameters of the speaker structure. | 08-09-2012 |
20130041278 | METHOD FOR DIAGNOSIS OF DISEASES VIA ELECTRONIC STETHOSCOPES - A method for diagnosis of diseases adopted on an electronic stethoscope which includes at least two sound receiving portions, a noise control portion, a processing portion, a data portion and an output portion. The method includes: first, the sound receiving portions receive sound signals issued from a patient's lungs included external noises; next, the sound signals are sent to the noise control portion which eliminates the external noise, and the processing portion to be overlapped and intensified; then characteristic values are retrieved from the sound signals to be compared with disease sound signal data in the data portion; finally the output portion outputs a diseases judgment result. Thus the electronic stethoscope can perform automatic interpretation of diseases to reduce human erroneous diagnostic judgment. Users also can get preliminary understanding of their body conditions when doctors are absent. | 02-14-2013 |
20130142357 | METHOD FOR VISUALIZING SOUND SOURCE ENERGY DISTRIBUTION IN ECHOIC ENVIRONMENT - A method for visualizing sound source energy distribution in an echoic environment comprises steps: arranging in an echoic environment a plurality of arrayed sound pickup units, wherein each sound pickup unit includes at least two microphones separated by a directive distance enabling the sound pickup unit to have a primary pickup direction; disposing the sound pickup units with the primary pickup directions thereof pointing toward a sound source in the echoic environment, and measuring the sound source by the sound pickup units to obtain a sound source-related parameter; substituting the directive distance and the parameter into an algorithm to make the parameter have directivity; and then substituting the parameter into an ESM algorithm to establish a sound source energy distribution profile. Thereby, the method can measure a sound source in a specified direction in an echoic environment and establish a visualized sound source energy distribution profile. | 06-06-2013 |
20130329907 | MINITURE ELECTRONIC SHOTGUN MICROPHONE - A miniature electronic shotgun microphone, which is used to receive a sound source from a specified direction, comprises a pick-up member, an A/D (Analog/Digital) conversion unit, and a digital signal processor. The pick-up member includes a first pick-up unit, a second pick-up unit separated from the first pick-up unit by a first distance, and a third pick-up unit separated from the second pick-up unit by a second distance; the first distance is greater than the second distance. The first pick-up unit, the second pick-up unit and the third pick-up unit respectively receive the sound source and output an analog signal. The A/D conversion unit and the digital signal processor process the analog signals, and convert them into a directional digital acoustic signal. Thus, the directional digital acoustic signal has a maximum pick-up frequency. Thereby is decreased grating lobes and spatial aliasing. | 12-12-2013 |
20140052406 | METHOD OF USING MICROPHONES TO MEASURE PARTICLE VELOCITY - A method of using microphones to measure a particle velocity comprises steps: arranging a sound source, a first microphone and a second microphone in a space, wherein the first microphone is arranged between the sound source and second microphone, and wherein the first microphone is located at a first position and the second microphone is located at a second position more far away from the sound source than the first position; using the first and second microphones to measure the sound source and obtain first and second acoustic pressures respectively; using the first and second positions and an equivalent source method to establish a free-space Green's function, and using the first and second acoustic pressures and the equivalent source method to establish an acoustic pressure function; and using the free-space Green's function and acoustic pressure function to predict state space of sound amplitude and then obtain a particle velocity. | 02-20-2014 |
20150043740 | METHOD USING ARRAY MICROPHONE TO CANCEL ECHO - A method using an may microphone to cancel echo applies to a sound receiving system and comprises steps: an array microphone receiving a sound source and outputting a plurality of analog acoustic signals formed from the sound source; an A/D converter converting the analog acoustic signals into a plurality of digital acoustic signals; a digital signal processor respectively using an adaptive beamforming process and a blocking matrix filtering process to convert the digital acoustic signals into a primary acoustic signal and at least one noise signal; and the digital signal processor using a multiple-input cancelling process to subtract the noise signal from the primary acoustic signal to obtain an acoustic signal where the echo has been cancelled. Thereby, the present invention can eliminate the systematic errors of the array microphone of the sound receiving system and improves the robustness of the acoustic signal. | 02-12-2015 |
Patent application number | Description | Published |
20100332222 | INTELLIGENT CLASSIFICATION METHOD OF VOCAL SIGNAL - An intelligent classification method is proposed. The method extracts vocal features from the temporal domain, spectral domain and statistical features for measuring the vocal signal. The measured result is grouped by comparing with the trained data with single voiced source, and then different voices can be separated from the vocal signal to be classified. The vocal features are evaluated from temporal domain and spectral domain and the statistical features, and the method can improve the accuracy of the voice classification. | 12-30-2010 |
20120113020 | TIME-REVERSAL-BASED IMPACT-LOCALIZATION AND HAPTIC-FEEDBACK METHOD FOR TOUCH PANELS - The present invention provides a time-reversal-based impact-localization and haptic-feedback method for touch panels. Firstly, a plate model for an elastic plate and the impulse responses thereof are constructed according a plate theory. Next, a mathematical model is established according to the impulse responses and a time-reversal approach. When an impact force hits the elastic plate, the touched point on the elastic plate generates a touch signal, and the touch signal is received by at least a sensor at the corner of the elastic plate. The touch signal is converted into a time-reversal signal according to the mathematical model by a simulator. The time-reversal signal is reversed to the touched point for simulating reversal vibration waves of the time-reversal signal on the elastic plate, and locating the touched point. | 05-10-2012 |
20120148069 | MICROPHONE ARRAY STRUCTURE ABLE TO REDUCE NOISE AND IMPROVE SPEECH QUALITY AND METHOD THEREOF - The present invention discloses a microphone array structure able to reduce noise and improve speech quality and a method thereof. The method of the present invention comprises steps: using at least two microphone to receive at least two microphone signals each containing a noise signal and a speech signal; using FFT modules to transform the microphone signals into frequency-domain signals; calculating an included angle between a speech signal and a noise signal of the microphone signal, and selecting a phase difference estimation algorithm, a noise reduction algorithm or both to reduce noise according to the included angle; if the phase difference estimation algorithm is used, calculating phase difference of the microphone signals to obtain a time-space domain mask signal; and multiplying the mask signal and the average of the microphone signals to obtain the speech signals of the microphone signals. Thereby is eliminated noise and improve speech quality. | 06-14-2012 |
20160057539 | METHOD FOR RECORDING AND RECONSTRUCTING THREE-DIMENSIONAL SOUND FIELD - A method for recording and reconstructing a three-dimensional (3D) sound field, wherein a microphone array is established in a 3D sound field to track and locate sound sources in the 3D sound field and retrieve corresponding sound source signals. A plurality of control points is established inside an area where the 3D sound field is to be reconstructed. The control points are used to establish relational expressions of the sound source signals, the 3D sound field, a reconstructed sound field, and reconstructed sound source signals. The reconstructed sound source signals are obtained via solving the relational expressions and input into a speaker array arranged outside the area to establish the reconstructed sound field in the area. The present invention truly records the 3D sound field without using any extra transformation process and replays the reconstructed sound field with a larger sweet spot in higher fidelity. | 02-25-2016 |
20160077056 | METHOD OF USING DUAL-PORT MEASUREMENT SYSTEM TO MEASURE ACOUSTIC IMPEDANCE - A method of using a dual-port measurement system to measure acoustic impedance is used to measure an acoustic impedance Z of a tested object. The tested object includes an input end and an output end opposite to the input end. The dual-port measurement system comprises a first impedance tube and a second impedance tube. The first impedance tube includes a first inlet where a plane wave of a sound source is input, and a first outlet connected with the input end. The second impedance tube includes a second inlet connected with the output end, and a second outlet where the plane wave is output. The method uses the dual-port measurement system and a two-boundary method to obtain the acoustic impedances Z, whereby the dual-port measurement system is conveniently applied to various fields, such as the design of earphones, muffler tubes, sound absorption materials, and artificial ears. | 03-17-2016 |
Patent application number | Description | Published |
20120194417 | INPUT DEVICE WITH SWING OPERATION - An input device with swing operation includes a supporting frame, a flexible printed circuit installed on the supporting frame for outputting a signal, a supporting base fixed on the supporting frame, a cap pivoted to the supporting base, and a hook respectively pivoted to the supporting base and the cap. An inclined angle is formed between the hook and the supporting frame when the cap is not pressed down. The hook and the cap pivots relative to the supporting base when the cap is pressed down. The input device further includes a resilient component disposed between the flexible printed circuit and the cap for being pressed by the cap to actuate the flexible printed circuit when the cap is pressed down. | 08-02-2012 |
20120211343 | INPUT DEVICE WITH SWING OPERATION - An input device includes a printed circuit board for outputting a signal, a supporting base fixed on the printed circuit board, a metal dome switch installed on the printed circuit board, and a cap pivoted to the supporting base. A protrusion is formed on an end of the cap for contacting against the printed circuit board when the cap is not pressed down. The cap pivots relative to the supporting base when the cap is pressed down. An actuator is further formed on the cap and disposed on a side of the metal dome switch. The actuator of the cap presses down the metal dome switch to actuate the metal dome switch when the cap is pressed down. | 08-23-2012 |
20120211344 | INPUT DEVICE WITH SWING OPERATION - An input device includes a printed circuit board for outputting a signal, a supporting base fixed on the printed circuit board, and a cap pivoted to the supporting base. A protrusion is formed on an end of the cap for contacting against the printed circuit board when the cap is not pressed down. The cap pivots relative to the supporting base when the cap is pressed down. The input device further includes a resilient conductive component disposed between the printed circuit board and the cap for being pressed by the cap to conduct the printed circuit board when the cap is pressed down. | 08-23-2012 |
20120242094 | FIXING MECHANISM WITH SWING OPERATION - A fixing mechanism for fixing a component is disclosed. The fixing mechanism includes a base, a lateral wall disposed on the base, and a top plate connected to the lateral wall. A containing space is formed between the base, the lateral wall, and the top plate. The top plate presses against the component in a first direction and the lateral wall abuts against the component laterally when the component is contained inside the containing space. The fixing mechanism includes at least one hook. The hook includes a cantilever portion and a hooking portion. The cantilever portion is disposed on a side of the base, and a distance between the cantilever portion and the base is greater than a distance between the top plate and the base. The hooking portion engages with a lateral surface of the component in a second direction when the component is contained inside the containing space. | 09-27-2012 |
20120250234 | PRESS BUTTON AND PORTABLE COMPUTER USING THE SAME - A thin press button is provided. The press button includes a base plate, a link member, a cap, and at least one stopper. The link member, having a sliding recess, is disposed on the base plate. The cap pivots on the link member. The stopper has a first end and a second end, wherein the first end pivots on the cap and the second end is slidably disposed in the sliding recess. | 10-04-2012 |
20120250251 | PRESS BUTTON AND PORTABLE COMPUTER USING THE SAME - A flat press button is provided. The press button includes a base plate, a link member, and a cap. The link member is disposed on the base plate. The cap, having an embossed strip and a flange, pivots at the link member, wherein the embossed strip and the flange are formed at the opposing sites of the cap, and the embossed strip and the flange are operated in a pivotal swinging manner around a pivot axis to abut the base plate alternatively. | 10-04-2012 |
20120255845 | Keyswitch Structure - A keyswitch structure includes a bottom board, a circuit board disposed on the bottom board, a resilient member, a key cap and two supporting members. The bottom board is formed with two first holes spaced apart from each other. The key cap is located over the bottom board, and includes two pivoting portions that are spaced apart from each other. Each supporting member has an end pivoted to a respective one of the pivoting portions of the key cap, and an opposite end pivoted to the bottom board. When the key cap is moved toward the bottom board and presses the resilient member, each of the supporting members engages at least partly a corresponding one of the first holes, and the resilient member triggers the circuit board so as to generate a corresponding signal. | 10-11-2012 |
20120268902 | Fixing Mechanism and Electronic Device Having the Same - A fixing mechanism for fixing a magnetic element on a base wall includes a frame, a retaining member, and a blocker. The frame is adapted to be connected to and is adapted to cooperate with the base wall to define a receiving space for receiving the magnetic element, and an opening communicating with the receiving space for entry of the magnetic element into the receiving space along a first assembly direction. The retaining member is adapted to be connected to the base wall in proximity to the frame. The blocker is engaged to the retaining member, and blocks the opening. | 10-25-2012 |
20120285813 | KEYSWITCH DEVICE AND ASSEMBLY OF SUPPORTING SEAT AND KEY CAP THEREOF - A keyswitch device includes a supporting seat, a key cap, a circuit board disposed on the supporting seat, and an elastic member located between the key cap and the circuit board. The supporting seat includes a base board and two first confining members that are formed on the base board and that are spaced apart from each other. The key cap includes a cap body and two first hooks that engage respectively the first confining members, thereby inhibiting the key cap to move in horizontal directions with respect to the supporting seat, and allowing the key cap to move vertically in a range equal to the height of the first blocking parts of the first confining members. When the key cap is moved downward, the elastic member deforms to press the circuit board so as to generate a corresponding signal. | 11-15-2012 |
20120286908 | ELECTRONIC DEVICE AND RETAINING MECHANISM FOR RETAINING A MAGNETIC ELEMENT OF THE ELECTRONIC DEVICE - An electronic device includes a magnetic switch, a magnetic element for actuating the magnetic switch to send a control signal to an electronic element module, and a retaining mechanism for retaining the magnetic element at a housing. The retaining mechanism includes a retaining casing, a connecting member, and a blocking member. The retaining casing is disposed on and cooperates with the housing to define a receiving space to receive the magnetic element, and has an opening in spatial communication with the receiving space. The blocking member is connected to the housing by the connecting member and is adjacent to the opening to prevent removal of the magnetic element from the receiving space through the opening. | 11-15-2012 |
20120287561 | LOCKING MECHANISM AND ELECTRONIC DEVICE HAVING THE SAME - A locking mechanism is adapted for locking an object, and includes a housing and a locking member. The housing includes a base wall and a cover extending from the base wall to form amounting space therebetween, and amounting port in spatial communication with the mounting space and adapted for permitting the object to be moved into the mounting space therethrough in amounting direction. The locking member is snapped onto the cover so as to prevent removal of the object from the mounting space through the mounting port in a direction opposite to the mounting direction, in such a manner that a portion of the locking member is disposed in proximity to the mounting port and abuts against one of the sides of the object facing the mounting port. | 11-15-2012 |
20120287595 | Electronic Device and Fixing Structure Therefor - An electronic device includes a first body, a magnetic switch disposed in the first body, and a second body connected pivotally to and covering openably the first body. The second body includes a housing, and an electronic component module disposed in the housing and coupled electrically to the magnetic switch. A fixing structure is disposed in the housing and includes a casing and a blocker. The casing defines a receiving space and an opening that communicates with the receiving space. A magnetic element is disposed in the receiving space through the opening. The blocker is rotatable to block the opening and prevent the magnetic element from moving out of the receiving space through the opening. | 11-15-2012 |
20120307428 | ELECTRONIC DEVICE, AND ASSEMBLY OF AN ELECTRONIC DEVICE AND A BATTERY - In an assembly of an electronic device and a battery, the battery includes a protrusion that is formed with an engaging hole, and the electronic device includes a housing and an engaging unit. The housing defines a receiving space and is formed with a first opening that is adapted for extension of the protrusion. The engaging unit includes a main body pivotable relative to the housing, an actuating member accessible from outside of the receiving space, and an engaging hook disposed on the main body adjacent to the first opening. The engaging hook is engageable with the engaging hole in the protrusion. The actuating member is actuable to pivot the main body so as to disengage the engaging hook from the engaging hole. | 12-06-2012 |
20130093305 | ELECTRONIC DEVICE WITH A BATTERY FASTENING MECHANISM - An electronic device includes a battery module, a housing having first and second panels, and a fastening mechanism. The fastening mechanism has a fixing portion extending from the battery module and engaging an opening in the first panel, a first fastening portion formed in the fixing portion, a cantilever formed in the second panel, and a second fastening portion formed on the cantilever and engaging the first fastening portion. The cantilever can be bent away from the fixing portion, such that the second fastening portion is disengaged from the first fastening portion, and that the fixing portion is urged by a protrusion on the cantilever to be disengaged from the opening. | 04-18-2013 |
20130314345 | INFORMATION INPUT UNIT AND ELECTRONIC DEVICE - An information input unit includes a carrying module disposed on a base and movable between a first position and a second position, and an input module disposed on and moveable along with the carrying module. The input module includes a touch-pad mechanism including a touch pad configured to be pressed to a pressed position and to generate a touch signal upon being touched, a resilient supporting mechanism resiliently supporting the touch pad to enable the touch pad to return to its original position from the pressed position, and a pressing mechanism disposed below the touch pad and configured to generate a pressing signal upon being pressed by the touch pad. | 11-28-2013 |
20140126134 | PORTABLE ELECTRONIC DEVICE WITH HINGE STRUCTURE - portable electronic device includes a host module, a display module and a hinge structure. The hinge structure is pivotally connected to the host module and the display module. The hinge structure includes a support frame, a rotating component and two pivotal components. An end of the rotating component is installed inside the support frame and another end of the rotating component is installed inside the display module, so that the display module is capable of rotating in a first rotating direction relative to the support frame. The two pivotal components are disposed at opposite sides of the support frame and separated from the rotating component. An end of each pivotal component is installed inside the support frame and another end of each pivotal component is installed inside the host module, so that the display module is capable of rotating in a second rotating direction relative to the host module. | 05-08-2014 |
20140345085 | PIVOTING MECHANISM AND RELATED ELECTRONIC DEVICE - A pivoting mechanism includes a first driving component, a second driving component and a pivot shaft. The first driving component includes a first pivoting portion and a first connecting portion, the first connecting portion is disposed on the first pivoting portion. The second driving component includes a second pivoting portion, a second connecting portion, a positioning portion, a rotary unit and a rotary shaft. The second connecting portion is disposed on the second pivoting portion. The positioning portion is disposed on the second connecting portion. The positioning portion includes a slot structure, and the rotary unit is disposed inside the slot structure. The rotary shaft passes through the rotary unit, and two ends of the rotary shaft respectively pivot to inner walls of the slot structure. The pivot shaft is disposed between the first pivoting portion and the second pivoting portion. | 11-27-2014 |