78results about How to "Pointing stable" patented technology

A sensor arrangement (10) comprises an amplifier (11) having a signal input (12) to receive an input signal (SIN) and a signal output (13) to provide an amplified sensor signal (SOUT) that is an inverted signal with respect to the input signal (SIN). Furthermore, the sensor arrangement (10) comprises a feedback path connecting the signal output (13) to the signal input (12), wherein the feedback path comprises a series connection of a capacitive sensor (14) and a feedback capacitor (15). A voltage source arrangement (19) of the sensor arrangement (10) is connected to a feedback node (18) between the capacitive sensor (14) and the feedback capacitor (15).

An object is identified by detecting an object area image of an object to be recognized from a degraded image, converting the object area image to a frequency area, extracting a feature vector which indicates the amount of blur, comparing the feature vector and a classified plurality of blurred images, obtaining a cluster which is the most similar to the feature vector, selecting one point spread function corresponding to the similar cluster, restoring the object area image to the image before being blurred using the point spread function, and comparing the restored image and a target image.

An antenna for electromagnetic waves including a quantum interference filter, at least one low-temperature transistor and primary antenna structures, means for deriving an electromagnetic wave from the circuit, cooling elements and insulating means. The interference filter and the transistor act as active components, the primary antenna structure is connected up to at least one of the active components in such a way that upon incidence of an electromagnetic wave on the primary antenna structure there is present at the output of the at least one active component a conducted electromagnetic wave, and wherein at least one part of the circuit and at least one part of the primary antenna structure are thermally insulated, the thermal insulation is frequency transparent to electromagnetic waves, and the cooling elements are designed to cool down at least one part of the circuit below the transition temperature of at least one of the superconducting materials.

Heat generated by the first stage compressor while it is running (either loaded or unloaded in the recycled purge air dryer system is recaptured by a stream of dried, cool system air drawn off of the outlet of a online drying tower in an air compressor system via a purge heat exchanger placed after the first stage compressor. The dried, hot air is used help regenerate the offline tower. This regenerating, pressurized, and heated purge air is then cooled in its passage across or through the desiccant in the regenerating tower. It then reenters the main airflow at the outlet of the first stage air compressor as wet cool pressurized purge air. This process is completely closed loop within the system, achieving zero air loss, and avoiding dew point spikes, increasing the efficiency of the air compressor system.

The invention discloses a beam combining, emitting and receiving method of lasers and a system, which belong to the technical field of photoelectricity and are used for carrying out beam combination, emission and reception on multi-beam multi-band high-power lasers. The beam combination, the emission and the reception of lasers in incidence in a plurality of directions are realized by adopting the reflection of a film at the side face of a prism, the incidence and the penetration of an end face, an optical fibre bar and a collimating mirror. The system contains a plurality of laser light sources, a multi-dimensional beam combiner, a shaper, a collimating mirror, a receiving and detecting unit and a computer system. The multi-dimensional beam combiner contains a multi-face prism and a prism holder, wherein the multi-face prism is provided with an end face and a plurality of reflecting mirror faces. A plurality of lasers are irradiated on the end face and the reflecting mirror faces of the multi-dimensional beam combiner from the periphery, the lasers of which the beams are combined are gathered on the input end face of the shaper at an aperture angle smaller than the numerical value of optical fibers, the output lasers are collimated into quasi-parallel light by the collimating mirror for irradiating a target, and the diffuse reflection lasers and the laser-induced radiation patterns of the target are received by the receiving and detecting unit positioned at the position of the focal point of the collimating mirror so as to realize the detection of the target and the acquisition of images.

The optical transmission apparatus for multiple wavelengths according to the present invention comprises; a light source, a temperature control section for controlling the temperature of the light source, a temperature control (ATC) loop for controlling the operation of the temperature control section, and a wavelength control (AFC) loop. The ATC loop detects the temperature of the light source and feedback controls the operation of the temperature control section, so that the optical output wavelengths of the light source fall within a wavelength capture range corresponding to a target wavelength of the AFC loop. The AFC loop has a wavelength detection filter having a periodic transmission wavelength characteristic. After the operation of the ATC loop has stabilized, a wavelength capture operation is commenced, and the operation of the temperature control section is controlled so that the optical output wavelength of the light source is captured at a stable point corresponding to a target wavelength, among a plurality of stable points.

A paper output mechanism includes: a roller pair composed of a first roller and a second roller travelable around the first roller and configured, when the second roller is in a first position, to output a piece of paper to a paper placement part by pinching the piece of paper between the first and second rollers and driving at least one of the first and second rollers into rotation with an actuator; and a roller position changing mechanism for switching the second roller between the first position and a second position located closer to the paper output side than the first position. When the trailing edge of the piece of paper is sent out to the paper placement part, the roller position changing mechanism changes the second roller from the first position to the second position.

The invention relates to a process for purifying and / or concentrating inclusion bodies (refractile bodies) in a highly concentrated particle-containing solution, in which process the inclusion body-containing suspension is directed tangentially past one or more semipermeable membranes, so that the inclusion bodies are retained behind the membranes and that substances having a relatively small molecular weight may pass through the membrane and / or be adsorbed to the membrane, and a purified and / or concentrated inclusion body suspension is obtained. In the same manner, cell wall particles are removed from a inclusion body suspension. The invention further relates to the use of a crossflow microfiltration unit for purifying and / or concentrating inclusion bodies in a suspension and for removing cell wall particles from a inclusion body preparation.

An electrical junction box has a box body (84) is formed by combining a first case (12) and a second case (14). The first case (12) has a receptacle (18) for housing a stacked connector (20). A connector lock (50) is provided on the second case (14) for fixing the stacked connector (20) inside the receptacle (18). The connector lock (50) latches and fixes at least two of the connector housings (88) that are successive in the stacking direction in the stacked connector (20).

An object is identified by detecting an object area image of an object to be recognized from a degraded image, converting the object area image to a frequency area, extracting a feature vector which indicates the amount of blur, comparing the feature vector and a classified plurality of blurred images, obtaining a cluster which is the most similar to the feature vector, selecting one point spread function corresponding to the similar cluster, restoring the object area image to the image before being blurred using the point spread function, and comparing the restored image and a target image.

The invention provides a polishing pad conditioner that enables stabilization of brazing metal melting point, minimization of abrasive grain detachment by uniformizing and stabilizing abrasive grain brazing condition, and enhancement of flatness by minimizing thermal deformation of the metal support. The polishing pad conditioner is fabricated by brazing multiple abrasive grains to the surface of a metal support with brazing metal, wherein the composition of the brazing metal expressed in mass % is such that 70%≦Ni+Fe≦90% (provided that 0≦Fe / (Ni+Fe)≦0.4), 1%≦Cr≦25%, 2%≦Si+B≦15% (provided that 0≦B / (Si+B)≦0.8), and 0.1%≦P≦8%.

An electrical junction box has a box body (84) is formed by combining a first case (12) and a second case (14). The first case (12) has a receptacle (18) for housing a stacked connector (20). A connector lock (50) is provided on the second case (14) for fixing the stacked connector (20) inside the receptacle (18). The connector lock (50) latches and fixes at least two of the connector housings (88) that are successive in the stacking direction in the stacked connector (20).

Two embodiments of a GMR sensor of the bottom spin valve (BSV) spin filter spin valve (SFSV) type are provided, together with methods for their fabrication. In one embodiment, the sensor has an ultra thin (<20 angstroms) single free layer and a composite high-conductance layer (HCL), providing high output, low coercivity and positive magnetostriction. In a second embodiment, the sensor has a composite free layer and a single HCL, also having high output, low coercivity and positive magnetostriction. The sensors are capable of reading densities exceeding 60 Gb / in2.

The invention discloses a multi-flexible beam vibration control device and method based on synchronous belt drive. The device comprises a flexible beam body, a detection part and a control part. The flexible beam body comprises three flexible beams of the same size. The detection part comprises a piezoelectric sensor and an acceleration sensor, wherein the piezoelectric sensor and the acceleration sensor are respectively arranged on the flexible beams. The control part comprises a synchronous belt drive control system and a piezoelectric drive control system. The vibration signal of the flexible beam structure is detected by the piezoelectric sensor and the acceleration sensor. A synchronous belt driven by a servo motor and a piezoelectric drive are used as an actuator for suppressing vibration. The device can be used to study the influence and vibration control of gravity, synchronous belt gap characteristics, synchronous belt elasticity and other factors on the vibration of the flexible beam structure.

The invention relates to an oscillator circuit configuration comprising in an LC-parallel oscillatory circuit and a transistor as an amplifying element. A compensating winding is associated with the parallel oscillatory circuit whereby the collector voltage of the transistor is fed to said winding in order to compensate the effect of the parasitic collector capacity. Preferably, the collector current from the transistor is maintained constant be an amplifier.

The present invention relates to a wind turbine rotor blade comprising a lightning protection system. The lightning protection system comprises a lightning receptor for capturing lightning strikes. The receptors are arranged in the rotor blade. The lightning receptors comprise carbon nanotubes. In embodiments, the nanotubes are at an exterior surface is provided with a layer of carbon nanotubes and / or at least part of the lightning receptor is of a carbon nanotube metal composite material, such as a carbon nanotube metal matrix composite material. Moreover, the exterior surface of the receptor may in embodiments be provided with one or more electric field enhancing protrusions.

A bilateral femoral artery hemostasis device by compression comprises a first pressing plate, a second pressing plate and a bellyband; the bellyband comprises more than one fixing belt and more than one elastic compression hemostasis belt, the second pressing plate is located above the first pressing plate, the second pressing plate is more than one; the first pressing plate comprises a compression plate located at a bottom of the first pressing plate and a top plate located at an upper part of the first pressing plate; a first pressing plate supporting leg is vertically arranged on an upper side surface of the top plate, and a space for the fixing belt to pass through is provided between the first compressing plate supporting legs. The hemostasis device is simple to operate, and only one medical staff member can complete all operations, thereby reducing the work intensity of the medical staff.

An oscillator circuit configuration comprising in an LC-parallel oscillatory circuit and a transistor as an amplifying element. A compensating winding is associated with the parallel oscillatory circuit whereby the collector voltage of the transistor is fed to said winding in order to compensate the effect of the parasitic collector capacity. Preferably, the collector current from the transistor is maintained constant be an amplifier.

The invention relates to the audio processing technology, in particular to a method and device for extracting a voice signal of a desired sound source. The method and device for extracting the voice signal of the desired sound source is used for ensuring the voice recognition rate without increasing hardware costs. The method for extracting the voice signal of the desired sound source comprises the following steps: obtaining the existence probability of the desired sound source and position information of the desired sound source based on relevant characteristics of corresponding voice signalsreceived through at least two microphones; then obtaining a preset target separation coefficient; and extracting the voice signal of the desired sound source from at least two voice signals of the corresponding the voice signals by using the target separation coefficient. Thus, since a stable corresponding relationship is preset between the position information and a target separation system, a stable direction can be formed based on the position information; therefore, the corresponding target separation coefficient is obtained quickly, and the voice signal of the desired sound source is extracted quickly and accurately from the reverberation environment; and therefore, the voice recognition rate in interference environments is greatly improved without increasing the hardware costs.

An electric motor in a work apparatus has a power characteristic line which runs between a lower rotational speed of the electric motor and an upper rotational speed of the electric motor. The power characteristic line has a power characteristic with a pronounced maximum (M) and an operating plateau (AP) which lies in a working rotational speed range (AD) of the work apparatus. A method for operating the electric motor provides for configuring the position of the operating plateau (AP) to be variable with respect to the rotational speed of the electric motor to achieve stable operating points over a wide rotational speed range.

The invention provides a tube socket detection scanning frame and a tube socket detection scanning device. The tube socket detection scanning frame includes a main frame vehicle, a curved rod assembly and a probe fixing frame. The main frame vehicle can be mounted on the outer wall of the tube base Moving upward, one end of the curved rod assembly is connected with the main frame, and the curved rod assembly can rotate around one end of the curved rod assembly relative to the main frame, and the other end of the curved rod assembly is connected with the probe fixed frame, and the probe fixed frame can be opposite Sliding on the other end of the curved rod assembly, one end of the probe fixing frame is provided with a probe fixing base for fixing the probe. The tube seat detection scanning device containing the tube seat detection scanning frame enables the sound beam to be pointed in a certain direction stably; the detection process is semi-automatic, which reduces the influence of human factors on the detection results and can obtain good repeatability detection Results; The detection position is recorded by the encoder, and the traceability of the detection result is realized.

The invention relates to a solenoid valve with a magnet assembly and a valve cartridge having a pole core, a valve insert connected to the pole core, an armature which is guided within the valve insert in an axially movable manner between a closed position and an open position and is coupled to a closing element, and a valve body which is connected to the valve insert and has a main valve seat which is arranged between at least one first flow opening and a second flow opening. The axially movable armature, when the magnet assembly is energized, is moved by a generated magnetic force within the valve insert in the direction of the pole core counter to a spring force of a resetting spring and counter to a fluid force in order to lift the closing element out of the main valve seat; and to permit a flow of fluid between the at least one first flow opening and the second flow opening. The axially movable armature is moved away from the pole core by the spring force of the restoring spring and by the fluid force within the valve insert in order to press the closing element into the main valve seat in a sealing manner and to interrupt the fluid flow between the at least one first flow opening and the second flow opening.

Provided is an apparatus and component parts of a system for the external fixation of bones. The component parts include fixation plates such as a C Plate, a N Plate, a J Plate, an I Plate and a K Plate. Two or more fixation plates are configured along an axis, the two or more fixation plates selected from a list, the list comprising a plurality of C Plates; a plurality of N Plates; a plurality of J Plates; and a plurality of I Plates; a plurality of telescoping adjustable struts that connect a first fixation plate along the axis with a second fixation plate of the plurality of fixation plates along the axis, wherein the first and second fixation plates are adjacent plates along the axis; and a plurality of posts, each post connecting two adjacent fixation plates of the plurality of fixation plates along the axis.

The invention discloses a decoupling-based phased array antenna stability angle tracking method which comprises: interrupting periodically decoupling to generate first moment missile body attitude data to obtain a conversion matrix from an inertial rectangular coordinate system to a missile body rectangular coordinate system; performing coordinate conversion from inertial coordinates to antenna array surface rectangular coordinates; calculating beam pointing azimuth angle and pitching angle according to the antenna array surface coordinates, and controlling the antenna beam pointing direction;compensating a single-pulse angle measurement angle error generated by periodical angle measurement interruption to antenna array surface direction cosine coordinates;completely carrying out coordinate inverse transformation on compensated antenna array surface direction cosine coordinates to obtain the inertial coordinates; interrupting decoupling to generate n (n>1) moment missile body posturedata to obtain a conversion matrix and an inverse rotation matrix from inertial rectangular coordinates to missile body rectangular coordinates; and calculating the beam pointing azimuth angle and pitching angle, and controlling the antenna beam pointing direction. According to the method, the problem that by use of the existing decoupling-based phased array antenna stability angle tracking method,the tracking angle measurement precision is difficult to meet under the condition that violent attitude disturbance exists in a missile body is solved.