Patent application number | Description | Published |
20090137904 | ULTRASONIC IMAGING APPARATUS AND ULTRASONIC IMAGING METHOD - An ultrasonic imaging apparatus captures a plurality of B-mode images of a same cross section respectively by a plurality of linear scans with different directional ultrasonic beams and creates and displays a compound image from the plurality of B-mode images. The ultrasonic imaging apparatus includes a device for capturing an image to capture a plurality of B-mode images respectively by a linear scan with an ultrasonic beam steered to a reference direction and a linear scan or scans with an ultrasonic beam or beams steered to one or more directions different from the reference direction, a device for creating an image to create a compound image using the plurality of B-mode images, and a display device to display the compound image. | 05-28-2009 |
20100137716 | MULTI-FUNCTIONAL ULTRASOUND IMAGING SYSTEM - A multi-functional ultrasound imaging system includes a scan imaging unit having a transmitting unit, a receiving unit, and a probe that is one of a linear array probe and a convex array probe, wherein the probe has a certain deflection angle. The system also includes a control unit configured to control said scan imaging unit to realize one of normal linear scan and additional sector scan, normal convex scan and additional sector scan. The system also includes an image processing unit configured to process image signals generated by said scan imaging unit and to convert the image signals into image data corresponding to an ultrasound image, and a display unit configured to generate the ultrasound image corresponding to the image data. | 06-03-2010 |
20100160783 | ULTRASOUND IMAGING METHOD AND APPARATUS - An ultrasound imaging method includes scanning an inspected object with a first cluster of ultrasonic beams having a first frequency and a first steer angle, to produce a first sub-frame which is used as a reference frame, and scanning the inspected object with a second cluster of ultrasonic beams having a second frequency different from the first frequency and a second steer angle different from the first steer angle, to produce a second sub-frame. The ultrasound imaging method also includes compounding the second sub-frame and the first sub-frame to form a compounded image, and displaying the compounded image. | 06-24-2010 |
20110130662 | ULTRASOUND 3D SCANNING GUIDANCE AND RECONSTRUCTION METHOD AND DEVICE, AND ULTRASOUND SYSTEM - An ultrasound 3D scanning guidance and reconstruction method includes a scanning step for performing a multi-point scanning on an organ to obtain a plurality of 3D images, each 3D image containing corresponding feature information, and a reconstructing step for reconstructing a 3D image of the whole organ from these 3D images. | 06-02-2011 |
Patent application number | Description | Published |
20100148741 | CONVERTING CIRCUIT AND CONTROLLER FOR CONTROLLING THE SAME - The present invention uses a discharge path to release the power stored in an output capacitor of a converting circuit when the time interval between two adjacent switching thereof is too long and may generate noises whose frequencies can be sensed by human ears. Hence, the present invention can keep the operating frequency of the converting circuit higher than a predetermined frequency and reduce the audio noise of the converting circuit. | 06-17-2010 |
20100237849 | SIGNAL TRANSFORMER - A fast current generating element in a current generating unit, used by the present invention, provides a large current for accelerating the switching of transistor switches when the transistor switches are switched. The fast current generating element includes a capacitor to provide a large differential current when a voltage level transiently changes during the switching of the transistor switches. Therefore, a transient response time of a signal transformer is shortened. | 09-23-2010 |
20100244796 | CURRENT TRIGGER CIRCUIT AND SWITCHING POWER CONVERTER USING THE SAME - A bias voltage is compared with a voltage difference in a detecting element according to the present invention. A bias voltage unit is coupled to the detecting element, so that they have a common voltage level to avoid noises when the circuit is operating. Accordingly, the erroneous detection caused by the noise interference can be avoided. Hence, a detecting element with a low resistance, such as an MOEFET, can be used in the present invention to decrease power consumption arisen from current detection and to further increase conversion efficiency. | 09-30-2010 |
20100244912 | CONTROLLER AND VOLTAGE DETECTION ENABLING CIRCUIT THEREOF - A voltage detection enabling circuit is disclosed. The voltage detection enabling circuit includes a reference voltage generating unit, an enabling protection unit, and an enabling judgment unit. The reference voltage generating unit is coupled to a driving voltage, and generates a reference voltage signal. The enabling protection unit receives the reference voltage signal and outputs an enabling judgment signal when the reference voltage signal is higher than a voltage parameter. Particularly, the voltage parameter is a component parameter of an electronic component. Then the enabling judgment unit determines whether an enabling signal is generated or not according to the enabling judgment signal and the driving voltage. | 09-30-2010 |
20110109373 | TEMPERATURE COEFFICIENT MODULATING CIRCUIT AND TEMPERATURE COMPENSATION CIRCUIT - In the conventional temperature compensation circuit, the thermal resistor is used to perform the temperature compensation, but the provided compensation range is limited due to the temperature coefficient of the thermal resistor. The embodiment of the invention provides a temperature coefficient modulating circuit capable of amplifying the temperature coefficient of the thermal resistor, so as to provide a wider compensation range in different applications. | 05-12-2011 |
20110215780 | DE-GLITCH SWITCHING CONVERTING CIRCUIT AND CONTROLLER THEREOF - A de-glitch switching converting circuit and a controller thereof are provided. In the embodiment of the invention, the circuit can filter noises with high frequency by way of time judgment, so as to avoid the erroneous operation of the controller affecting the stability of the output voltage or the output current. Compared with the method of using low-pass filters with large capacitors to filter noises, highly increasing the cost of the circuit is unnecessary in the embodiment of the invention. The circuit in the embodiment of the invention also has the capability for filtering noises with high amplitudes. In addition, by setting suitable parameters, the circuit in the embodiment of the invention can also avoid affecting the transient response of the circuit while filtering noises. | 09-08-2011 |
20110279103 | POWER CONVERTER AND PULSE WIDTH MODULATION SIGNAL CONTROLLING APPARATUS THEREOF - A pulse width modulation signal controlling apparatus including a signal pin, a core circuit, a setting judging circuit, a signal adjusting and selecting circuit, and a timer circuit is disclosed. The signal pin is connected to a setting device for receiving an external input signal. The setting judging circuit receives and compares a setting signal with a reference value to generate a setting judgment result. The signal adjusting and selecting circuit couples the signal pin to the setting judging circuit and adjusts the external input signal into the setting signal according to the setting device in a first state, and couples the signal pin to the core circuit in a second state. The timer circuit controls the state of the signal adjusting and selecting circuit, wherein the timer circuit sets the signal adjusting and selecting circuit in the first state during a predetermined time period. | 11-17-2011 |
20120062196 | CONVERTING CONTROLLER - The present invention employs a pin of a controller to set an over current protection value and a time period respectively by means of time-division and/or voltage and current. Therefore, the cost of the controller is reduced due to reducing the amount of pins thereof. Furthermore, the time period is not only used to setting a constant on time, but also used to setting a constant off time and an operating frequency for different controlling mode. | 03-15-2012 |
20120106008 | SPIKE SUPPRESSION CIRCUIT AND CONVERSION CONTROL CIRCUIT - A spike suppression circuit for filtering out voltage oscillation produced by an inductive component and a conversion control circuit are disclosed. The spike suppression circuit includes an energy release path and a detection circuit. One end of the energy release path is coupled to a connection terminal of a circuit, and the other end thereof is coupled to a reference voltage. The detection circuit is coupled to the connection terminal. The detection circuit has a high-pass component for turning on the energy release path when the voltage on the connection terminal has a high-frequency signal. | 05-03-2012 |
Patent application number | Description | Published |
20110011745 | METHOD FOR ELECTROCHEMICALLY DEPOSITING A METAL ELECTRODE OF A SOLAR CELL - A method for electrochemically depositing a metal electrode of a solar cell, comprising the steps of: making the surface of the solar cell having a cathode contact with an electrolyte solution, connecting an anode of the solar cell and a solid metal, illuminating the main light-receiving surface of the solar cell, wherein metal ions in the electrolyte solution accept electrons formed on the cathode surface of the solar cell so that a metal is formed and deposited on the cathode surface of the solar cell, meanwhile, the solid metal provides electrons to the anode of the solar cell so that the metal ions are formed and dissolved in the electrolyte solution. By using this method, a problem of a decreased cell efficiency due to a short circuit caused by the deposition of metal on the anode will be solved, meanwhile, a possibility of damaging the solar cell and depositing metal unevenly as a result of using any kind of plating fixtures is avoided, the electrochemical reaction rate is effectively controlled, an evenness of the deposition of metal is guaranteed, and the manufacture of a solar cell having a selective diffusion structure is promoted. | 01-20-2011 |
20130090600 | Device, System and Method of automatic vessel access based on real time volumetric ultrasound - An automatic vessel access device based on real time volumetric ultrasound is provided. The automatic vessel access device comprises a probe configured to generate a VOI image of a candidate vessel in a real time volume ultrasound scan mode, a control device coupled to the probe, and at least one motor coupled to the control device. The control device comprises at least one processing module configured to determine at least one control parameter based on the VOI image, and a driver module coupled with the at least one processing module and configured to drive the at least one motor to automatically access the candidate vessel according to the at least one control parameter. | 04-11-2013 |
Patent application number | Description | Published |
20100301675 | UNINTERRUPTIBLE POWER SUPPLY AND METHOD FOR ENABLING THE SAME TO SAVE ENERGY - An uninterruptible power supply configured to automatically detect a load level and automatically power off and disable power supply or automatically power on and enable the power supply based on a detected load level, so that energy of a backup source of the uninterruptible power supply is not wasted and a life-cycle of the uninterruptible power supply is extended. | 12-02-2010 |
20110156922 | EARLY WARNING METHOD AND DEVICE FOR ULTRASONIC PROBE AND ULTRASONIC APPARATUS - An early warning device for use with an ultrasonic probe includes a service lifetime acquisition unit configured to acquire service lifetimes of individual parts of the ultrasonic probe, a total working time acquisition unit configured to acquire total working times of the individual parts of the ultrasonic probe, a calculation unit configured to calculate existing service lifetime percents depending on the service lifetimes and the total working times, and a judgment and warning unit configured to determine whether any of the existing service lifetime percents is less than a threshold value, and to issue a warning if the existing service lifetime is less than the threshold value. | 06-30-2011 |
20130090600 | Device, System and Method of automatic vessel access based on real time volumetric ultrasound - An automatic vessel access device based on real time volumetric ultrasound is provided. The automatic vessel access device comprises a probe configured to generate a VOI image of a candidate vessel in a real time volume ultrasound scan mode, a control device coupled to the probe, and at least one motor coupled to the control device. The control device comprises at least one processing module configured to determine at least one control parameter based on the VOI image, and a driver module coupled with the at least one processing module and configured to drive the at least one motor to automatically access the candidate vessel according to the at least one control parameter. | 04-11-2013 |