37 results about "Ultrasound" patented technology

A paper multi-feed detection apparatus and a paper multi-feed detection method are provided for preventing the detection capability from being deteriorated by a noise factor and improving the detection precision even where an area around the feeding path has no extra space in terms of the shape and there are many noise-generating factors because of a demand for a smaller size of the device. An ultrasonic transmission opening formed in one of two feeding guide plates is large so as to discharge outside a reflected wave which returns through the ultrasonic transmission opening, and an ultrasonic receiving opening formed in the other feeding guide plate is smaller than a receiving face area of a receiver for receiving the ultrasonic wave.

The invention provides an ultrasonic phased array detector with low power consumption and capability of real-timely transforming styles of arrays. The whole system comprises an FPGA (Field Programmable Gate Array) control module, a square MEMS (Micro-electromechanical Systems) ultrasonic sensing array, a PCI (Programmable Communications Interface) bus, a signal processing module and an array style and frequency selection module. The FPGA module comprises a pulse control unit and a beam control unit; the square MEMS ultrasonic sensing array is a square phased array with the same numbers of transverse rows and longitudinal rows which are made up of many MEMS ultrasonic sensors and have the same spacing; the array is formed by arranging a row of emission arrays and a row of receiving arrays in a crossing manner; each emission array element has an independent pulse excitation channel; each receiving array element has an independent echo receiving channel; the signal processing module is composed of amplification units and filter units, which have the same number with that of the receiving array elements; the array style and frequency selection module is composed of key arrays; the key arrays are capable of respectively representing many kinds of different array styles and different ultrasonic frequencies so as to be suitable for different detection conditions, thus a hardware structure of arrays is simplified; therefore, the ultrasonic phased array detector is applicable to detecting various robots under different special environments.

A sensor device, comprising two symmetrically disposed sonolucent wedges (5), and a connecting piece for fixedly connecting the two sonolucent wedges (5); the upper surfaces of the sonolucent wedges (5) are provided with inclined planes; installation holes are formed on the inclined planes; transducers (3) are installed in respective installation holes; one transducer (3) is used to generate ultrasonic waves, and the other transducer (3) is used to receive the ultrasonic waves generated by the previous transducer (3). The residual stress detection system comprises a sensor device, an ultrasonic transmission card, and a data acquisition card.

The invention relates to an ultrasonic-assisted and gas-shielded welding device adopting an underwater wet method. The device comprises an ultrasonic transducer, a combined welding torch, a conductive rod and an insulation sleeve. The ultrasonic transducer is connected with the combined welding torch, the ultrasonic transducer and the combined welding torch are each provided with a through hole, the through holes are communicated, and the conductive rod and the insulation sleeve are arranged in the through holes. The insulation sleeve is arranged on the radial outside of the conductive rod in a sleeving mode, and a gap is formed between the insulation sleeve and the conductive rod. The device further comprises a waterproof shell and a gas supply unit. The ultrasonic transducer is arranged in the waterproof shell which is communicated with the gap, and the waterproof shell is communicated with the gas supply unit. By means of the ultrasonic-assisted and gas-shielded welding device adopting the underwater method, the ultrasonic and shielding gas combined mode is used for underwater welding, and the effect of water pressure on electric arcs is reduced through ultrasonic; the ionization of the electric arcs is improved through the shielding gas, the stability of the electric arcs is improved, and accordingly the welding quality is enhanced.

Fibrin-binding peptides having high binding affinity and excellent physical characteristics compared to previously known fibrin-binding peptides are provided. These fibrin-binding peptides may be conjugated to a detectable label or a therapeutic agent and used to detect and facilitate treatment of pathological conditions associated with the presence of fibrin such as thrombic, angiogenic and neoplastic conditions. These peptides may be used in imaging processes such as MRI, ultrasound and nuclear medicine imaging (e.g. PET, scintigraphic imaging., etc.). The peptides may also be used therapeutically. The present invention also provides processes and methods for making and using such peptides and conjugates thereof.

The invention discloses an ultrasonic technology-based method for detecting and evaluating damage of subgrade soil materials in seasonal frozen regions. The method comprises the following steps: an initial state sample and a test sample are prepared according to an evaluation scheme on the basis of a formed sample meeting requirements of subgrade soil; the initial state sample is not subjected tofreeze-thaw cycles and has humidity being the evaluation standard moisture content; the test sample is a soil sample which is subjected to freezing and thawing cycling and has humidity at the requiredmoisture content for testing; the initial state sample and the test sample are both subjected to geometric parameter measurement and ultrasonic wave velocity test, the volume deformation rate of thetest sample and the longitudinal wave velocity of the test sample and the initial state sample are obtained, the longitudinal wave velocity, the moisture content and the volume deformation rate of thetest sample are measured according to the longitudinal wave velocity and moisture content of the initial state sample, and the damage variable of the test sample is calculated. Therefore, with the method, the damage degree of soil can be evaluated accurately, comprehensively and non-destructively and the damage mechanism can be reflected without destructive tests.

The invention relates to an efficient bone powder preparing system which comprises a bearing base, bearing vertical columns, a high-pressure prefabricated bin, a low-temperature crushing bin and a conveying pipe. The bearing vertical columns are vertically connected with the upper surface of the bearing base, and the high-pressure prefabricated bin and the low-temperature crushing bin are slidablyconnected with the side surfaces of the bearing vertical columns through driving sliding rails. The high-pressure prefabricated bin mutually communicates with the low-temperature crushing bin throughthe conveying pipe. The high-pressure prefabricated bin comprises a tank body, a stirring device, an ultrasonic vibration mechanism, an irradiation heating device and high-temperature and high-pressure water vapor connecting end openings. The low-temperature crushing bin comprises a smashing cabin, crushing rollers, a bone powder grinding mechanism, an ultrasonic crushing mechanism, an ultrasonicvibration mechanism and a refrigerating unit. A using method of the efficient bone powder preparing system comprises three steps of bone material pretreatment, material conveying and low-temperaturepowder preparing. The production efficiency and quality of bone powder products can be effectively improved, and standardization of the bone powder preparing process can further be effectively improved.

The invention discloses a rolling type ultrasonic arc composite welding device which comprises an ultrasonic device and an arc welding device. The ultrasonic device comprises an ultrasonic transducer, an ultrasonic amplitude variation rod and ultrasonic rolling wheels, wherein the ultrasonic rolling wheels transmit high-frequency vibration generated by the ultrasonic transducer to a workpiece to be welded through the ultrasonic amplitude variation rod. The arc welding device comprises an arc welding gun which is connected with the ultrasonic device, the ultrasonic rolling wheels drive the arc welding gun to move along a weld, the workpiece to be welded is driven to generate high-frequency vibration while the arc welding gun conducts welding, and grains of a welding area are refined. Accordingly, high-frequency vibration generated by the ultrasonic transducer is transmitted through the ultrasonic rolling wheels to the workpiece to be welded via the ultrasonic amplitude variation rod, so that the workpiece to be welded generates high-frequency vibration while the arc welding gun conducts welding along the weld, and grains of the welding area are refined; and the weld structure and the mechanical property are improved, and the welding effect is improved.

An ultrasonic bonding system is provided. The ultrasonic bonding system includes a bond head assembly and a bonding tool for bonding a conductive bonding material to a workpiece. The ultrasonic bonding system also includes a pressing member adapted to press against the workpiece, the pressing member being supported by the bond head assembly and being moveable with respect to the bond head assembly independent of the bonding tool. The pressing member includes a body portion and a plurality of pressing elements extending below the body portion, the pressing elements being configured to contact the workpiece.

An acousto optic element comprises optically transparent acousto optic medium having light incoming plane, light outgoing plane facing light incoming plane, transducer joining plane, and inclined plane tilted to transducer joining plane and piezoelectric transducer on which two opposing planes i.e., electrode layers and are formed and the transducer is connected to transducer joining plane of acousto optic medium through one of the electrode layers, wherein a deposited layer or a coating layer is formed on at least one of ultrasonic transducer or the acousto optic medium, the layer preventing ultrasonic waves generated by oscillation of ultrasonic transducer leaking onto acousto optic medium as a leakage-ultrasonic wave and propagating there, thus obtaining a high light-fading ratio.

The invention provides a rock anisotropy detection system which comprises a reaction kettle, a laser, an interferometer, an oscilloscope and a control unit, wherein the reaction kettle is used for simulating the rock stratum environment; the laser is arranged outside the reaction kettle and is used for emitting laser to to-be-detected rock and exciting the to-be-detected rock to generate ultrasonic wave; the interferometer is arranged outside the reaction kettle and is used for detecting the ultrasonic wave; the oscilloscope is connected with the interferometer; the control unit is connected with the reaction kettle and is used for controlling the internal environment of the reaction kettle. The rock anisotropy detection system can be used for simulating the high temperature environment in which the rock is positioned during the drilling process, is easy to operate and is capable of lowering the detection cost.

The invention relates to a production technique for extracting a rosemary antioxidant through ultrasonic wave, which comprises the following steps: heating dried rosemary raw materials (branches and leaves) at room temperature or slightly in 3 to 10 folds of organic solvent under the condition that an ultrasonic wave generator is started to extract the rosemary antioxidant; and reclaiming the organic solvent, and performing column chromatography on the mother solution through macroporous resin to obtain the rosemary antioxidant of which the content is not less than 40 percent. The method mainly aims at the defects that the prior extracting process generates degradation to the rosemary antioxidant and the like, adopts the ultrasonic wave to assist the extraction of the rosemary antioxidant so that the degradation problem of the rosemary antioxidant in the extraction process is solved well; besides, the method remarkably saves the energy consumption, the cost and the like, and the quality of the rosemary antioxidant obtained through one step is higher.

An ultrasonic laser drilling device is characterized in that the ultrasonic laser drilling device comprises a cooling unit (1), a control unit (2), a communicating pipe (3), a filter tank (11), a high-power pulsed laser array (4), a plurality of ultrasonic generators (5) and an ultrasonic focusing array (6). A cable, a high-strength water pipe and a water returning pipe are arranged in the communicating pipe (3); the cable in the communicating pipe (3) enables the control unit (2) to be connected with the high-power pulsed laser array (4), the multiple ultrasonic generators (5), the ultrasonicfocusing array (6) and air pumps (9) in a shell (12) on the lower portion; and the high-strength water pipe in the communicating pipe (3) enables the cooling unit (1) to be connected with a cooling water circulation system of the high-power pulsed laser array (4), the ultrasonic generators (5) and the ultrasonic focusing array (6). The high-power pulsed laser devices emit high-pulse energy, and the ultrasonic generators damage the rock structure through the focusing array, so that rock breaking drilling is achieved, and the effect is good.

The invention discloses a casting device and casting method for pouring a molten alloy into a mold cavity to manufacture a cast product. The casting device is characterized in that a plurality of vibrating components and an independent runner are arranged in a mold; the independent runner communicates with the mold cavity; the otherside of the runner communicates with a die-casting cylinder or a pouring gate; and the runner and the vibrating components are connected with an ultrasonic wave generation and control device to perform ultrasonic vibration. According to the invention, the time of ultrasonic vibration can be prolonged, holes generated by ultrasonic vibration can be effectively utilized to promote the formation of a plurality of dendritic crystals, and the dendritic crystals are smashed to further refine the structures of the dendritic crystals so as to improve the yield and quality of cast products.

The invention discloses an ultrasonic improved fabric dyeing device and a process thereof. The ultrasonic improved fabric dyeing device comprises a dyeing furnace and a workbench; a dyeing cylinder isfixedly arranged in the dyeing furnace; a temperature sensor A is fixedly mounted on an inner side of the dyeing cylinder; an electric heating thermostatic water bath is fixedly arranged on an outerside of the dyeing cylinder; a support A is arranged on an upper end of an inner cavity of the dyeing furnace; and an ultrasonic transmitter A and a transducer A are arranged on an upper end of the support A. The ultrasonic improved fabric dyeing device and process can measure and obtain the dyeing rate at different dyeing temperatures and radiation frequencies, and compare and obtain the dyeing temperature and the radiation frequency at the best dyeing rate; an ultrasonic frequency signal emitted by an ultrasonic transmitter B is converted into co-frequency mechanical vibrations through a transducer B, the dye liquor is irradiated in an ultrasonic longitudinal wave form so as to enhance the stirring and diffusion effect of the dye, the dissolution of the soluble dye is accelerated, and the dyeing rate is improved. The best dyeing temperature and radiation frequency can be measured when different fabrics are dyed so as to improve the dyeing rate, and measurement is convenient.

A new method and apparatus is provided for as a wearable, self-contained, non-invasive device for the instantaneous measurement of blood glucose in an individual. This invention uses the measurement and comparison of ultrasound wave velocities to determine the instant value of glucose concentration in the individual. In particular, it uses ultrasound waveforms in the “A” operational mode, depth determination, rather than typical imaging operational modes. Two distinct and different ultrasound frequencies are transmitted into the body and their total propagation times, from insert to bone-reflected echo return signal, are timed to calculate the signal dependent velocities affected by glucose. It is applicable to all forms of human body conditions, regardless of size, weight, age or health condition. It can be adapted for use in a closed loop system for insulin delivery on an “as-needed basis.”

A system for detecting objects using ultrasonic waves and methods for making and using the same are provided. The object detection system uniquely encodes each of a plurality of ultrasonic waves and transmit each of the uniquely-encoded ultrasonic waves in a respective direction. The object detection system then receives any of the emitted uniquely-encoded ultrasonic waves that are reflected from an object. By decoding the reflected ultrasonic waves, the object detection system distinguishes among the uniquely-encoded ultrasonic waves and detect the existence and location of the object.

The invention discloses an ultrasonic three-dimensional image display method and a display device, wherein the method comprises the following steps: receiving a touch operation of a user on a screen; in accordance with pressure of the touch operation, determining an image erasing depth, and conducting erasing treatment on a three-dimensional image in accordance with the erasing depth; and displaying the three-dimensional image which is subjected to the erasing treatment. With the implementation of the display method and the display device, the user can regulate erasing parameters in real time by virtue of the touch operation and can intuitively regulate the erasing parameters in accordance with the displayed image which is subjected to the erasing treatment, so that the image with an appropriate depth can be displayed without setting the erasing parameters for several times.

The present invention discloses a three-dimensional spatial positioning method and system. When a signal receiving device detects first laser plane signals, second laser plane signals, and ultrasonicsignals, the method does not perform fusion processing on the multiple ultrasonic signals received by the signal receiving device, selects an ultrasonic signal receiving unit that receives the ultrasonic signals the earliest among a plurality of ultrasonic signal receiving units on the signal receiving device as an optimal ultrasonic signal receiving unit, calculates the distance between the signal receiving device and a signal transmitting device according to the time at which the optimal ultrasonic signal receiving unit receives the ultrasonic signals, then calculates a first rotation angleand a second rotation angle according to time at which the signal receiving device receives the first laser plane signals and time at which the signal receiving device receives the second laser planesignal, and further determines three-dimensional coordinates of the signal receiving device in a three-dimensional measurement coordinate system, and improves spatial positioning accuracy.

The invention discloses a method of extracting active ingredients of Dendropanax dentiger leaves with ultrasonic waves. The method includes using ethanol water as the solvent, conducting separate excitation type ultrasonic extraction and interval sounding extraction in an ultrasonic extraction kettel, and then extracting through petroleum ether, ethyl acetate and n-butyl alcohol in sequence to obtain yellow active ingredients of Dendropanax dentiger leaves. The main composition of the active ingredients of Dendropanax dentiger leaves is saponin, and about 25g active ingredients can be extracted from each kilogram of Dendropanax dentiger leaf powder, and the content of saponin in each gram of active ingredients of Dendropanax dentiger leaves is about 741.5mg. The extraction method is simple and has high extraction efficiency, and the extracted active ingredients can improve the immunity of rabbits.

The invention discloses an external device positioning method and device, and a virtual reality device and system. The virtual reality device is provided with an ultrasonic transmitter. The external device is equipped with at least two ultrasonic receivers. The method comprises: ultrasonic signal information of at least two ultrasonic receivers is obtained, wherein the ultrasonic signal information includes distances between the at least two ultrasonic receivers and the ultrasonic transmitter and the ultrasonic signal intensity; according to the ultrasonic signal intensity, a first ultrasonicreceiver for locating an external device is determined between the at least two ultrasonic receivers; according to the distance between the first ultrasonic receiver and the ultrasonic transmitter, location information of the first ultrasonic receiver is determined; and on the basis of the location information of the first ultrasonic receiver, location information of the external device is determined. According to the embodiment of the invention, the accuracy of the location information of the external device is improved, so that the positioning effect of the external device is further improved.

An ultrasonic fingerprint recognition module and a manufacturing method thereof are provided. The ultrasonic fingerprint recognition module includes a substrate, an ultrasonic transmitter, a thin film transistor and an ultrasonic receiver. The method includes the following steps. In a step (a), the substrate, the ultrasonic transmitter, the thin film transistor and the ultrasonic receiver are provided. In a step (b), the ultrasonic transmitter is attached on a top surface of the substrate, and the ultrasonic transmitter is electrically connected with the substrate. In a step (c), the ultrasonic receiver is attached on the thin film transistor. In a step (d), the thin film transistor is attached on the ultrasonic transmitter. In a step (e), the ultrasonic receiver is electrically connected with the thin film transistor and the thin film transistor is electrically connected with the substrate through wires.