467 results about "Hyperboloid" patented technology

A system for capturing super wide-angle panoramic images. In particular, a two-reflector system is disclosed which is substantially self-correcting in which optical aberrations are substantially eliminated, such as field curvature, astigmatism and the like. Moreover, the super wide-angle panoramic imaging apparatus of the invention captures a super-wide field of view from a substantially single reference viewpoint. The invention provides a substantially compact viewpoint, while also having a substantially flat and stigmatic image plane, in the context of a super wide-angle panoramic system. Devices and methods for capturing panoramic images of super wide-angle scenes are provided. In a particular embodiment of the invention, two reflectors are provided (e.g., one a hyperboloidal mirror, the other a concave ellipsoidal or spherical mirror), a relay system (e.g., optics such as a mirror, a lens, a pinhole and the like) and an image sensor (e.g., an electronic photo-sensor, a film and the like).

In the conventional lighting equipment for vehicle using LED lamp, as the LED lamp irradiation angle is narrow, an optical irregularity making the luminescent surface spotted is generated, resulting in a feeling of wrongness of the viewer. Means to Solve the Problem. A LED lighting equipment 1 for vehicle of the present invention, comprising at least one light emitting unit 3 wherein an LED lamp 2 is disposed approximately at the focus of one hyperboloid, a reflection surface of hyperboloid 4 defined by the other hyperboloid comprising a transmission portion 4a disposed in an appropriate range near the optical axis is arranged in the LED lamp 2 optical axial direction, and a refection surface of paraboloid of revolution 5 having the approximate focus at the focus of said the other hyperboloid focus is arranged at the side of said LED lamp 2, allows to enlarge the irradiation angle at the reflection surface of hyperboloid 4, and to emit light in a larger area.

An electrical connector for high current applications has a mating plug and socket assembly. The socket assembly has two sockets arranged coaxially of one another and electrically interconnected. The central socket receives and contacts a pin on the plug assembly; the other socket contacts the external surface of a tubular sleeve surrounding and integrally electrically connected with the pin. The socket assembly also has a third socket electrically insulated from and arranged coaxially outwardly of the other two sockets. The third socket makes electrical contact with the outer surface of a tubular contact extending coaxially of the pin and electrically insulated from it. The sockets each have a hyperboloid configuration of multiple resilient wires to make contact with the pin, sleeve and outer contact.

A device and a method for measuring the pose of mechanisms includes at least one effector object fixedly joined to a mechanism (e.g., industrial robot, hexapod) in which the at least one effector object moves along one of several axes. The ideal, effective shape of the at least one effector object is a point, a straight line, a plane, an ellipsoid, a cylinder, a hyperboloid or a combination thereof. The movable effector objects interact with reference objects which are arranged in defined positions relative to the mechanism. The interactions are detected by a suitable sensor. The interactions are detected, only the pertaining joint configuration of the mechanism is transmitted to the information processing unit and evaluated and no further continuous values of measuring parameters are required for the evaluation.

The invention discloses a large-view-field depth measuring system and method based on omni-directional structured light. The system comprises a camera, a hyperboloid reflector, at least four projectors, a three-axis moving platform and a computer, wherein the projectors and the camera are respectively and fixedly arranged on the three-axis moving platform; the projectors are uniformly distributed around the camera; the three-axis moving platform can move along an x axis, a y axis and a z axis; coding structured light projected by the projectors irradiates a measured scene target object, is reflected by the hyperboloid reflector and then enters the camera for imaging; the formed image is acquired and processed by the computer to obtain scene depth information. By adoption of the hyperboloid reflector to reflect for imaging, the view field range of the camera is widened; by combining the large-view-field depth measurement with visual measurement of the structured light, visual three-dimensional perceived measurement of a wide view field is realized; the system is simple in structure and high in practicality; the measurement task can be finished by the camera and the projectors without perfect alignment; the calibration of the camera and the projectors is finished by adopting a plane white board; the simplicity in operation and higher calibration precision are realized.

The invention provides an extra-large-area hyperboloid welding ball network frame sliding construction method, which comprises the following steps of: (1) laying a sliding rail; (2) building a sliding jig frame on the sliding rail; (3) hoisting welding ball network frame blocks to the sliding jig frame; (4) wholly sliding the welding ball network frame blocks to a mounting position; (5) adjustingthe heights of the welding ball network frame blocks and positioning the welding ball network frame blocks on a supporting structure; and (6) inlaying different welding ball network frame blocks to form an extra-large-area welding ball network frame. The invention has the advantages that: the method solves the problem that the extra-large welding ball network frame structure is difficult to construct, the construction is convenient and the safety is high.

An interference filter assembly includes a condenser lens, a collimating lens, an interference filter, and an imaging device, which are arranged in a direction of light travel. The collimating lens is spaced from the condenser lens by a predetermined distance that corresponds to one of a focal length of the condenser lens and a focal length of the collimating lens. The collimating lens is provided by a single lens and applies a collimated light toward the imaging device through the interference filter in the direction of light travel. The collimating lens has a first surface adjacent to the condenser lens and a second surface adjacent to the interference filter. The first surface is a curved surface that is convex toward the condenser lens and a circular hyperboloid. The second surface is a plane surface and outputs the collimated light to the interference filter.

The invention relates to a large view field off-axis three-reflector system and an adjusting method. The large view field off-axis three-reflector system comprises a main mirror, a secondary mirror, an aperture diaphragm, a third mirror and a focal plane. The main mirror is an off-axis hyperboloid reflector; the secondary mirror is a protruding spherical surface reflection mirror; the third mirror is an off-axis secondary recessed flat spherical mirror; the master axes of the master mirror and the third mirror are superposed as a reference axis; the aperture diaphragm is successively arranged on the secondary mirror; the optical axis of the secondary mirror is superposed with the master axis of the third mirror; a target light ray from infinity enters the secondary mirror after reflection of the main mirror and enters the third mirror through the reflection of the secondary mirror; and then the light ray is imaged on the focal surface. The invention solves the contradiction between the large view field off-axis three-reflector system, the processing and adjusting. The large view field off-axis three-reflector system adopts a simple structure and can realize the wide width imaging, wherein the effective view field reaches 12 degree*3.5 degree.

A ground workpiece, a grinding wheel main shaft and a grinding wheel grinding tool are involved in a precise grinding method for large-caliber axisymmetric aspheric surfaces. The ground workpiece is fixedly arranged on a rotating working table. The top face of the ground workpiece is an aspheric surface. The grinding wheel main shaft is arranged on a y-axis feed slide base connected with an x-axis feed slide base. The grinding wheel grinding tool is fixed to the grinding wheel main shaft. The precise grinding method is characterized in that the rotating central line of the grinding wheel main shaft is controlled by a three-axis linkage control model to coincide with the normal of a grinding point on the generatrix of the aspheric surface all the time so that principle errors caused by grinding feed movement tracks can be avoided and the movement precision can be ensured; The aspheric surface is ground through the end face of the grinding wheel grinding tool so that the grinding ratio can be increased; and meanwhile, loss of the grinding wheel grinding tool is compensated for through a real-time detection method so that the grinding efficiency can be improved. A movement mechanism is simple, the grinding efficiency is improved, the grinding accuracy is ensured, and the precise grinding method can be suitable for grinding paraboloids of revolution, hyperboloids of revolution, ellipsoids of revolution and other large axisymmetric aspheric surfaces.

A hyperboloid contact socket is provided which comprises a tubular body of conductive material and preferably having at one end a lip defining an entrance aperture for receiving a mating pin terminal and having on the opposite end a termination of an intended configuration for attachment to a circuit board or other device or item. The tubular body contains a plurality of conductive wires conductively and permanently affixed at their respective ends torespective inner surfaces at or near the outer and inner ends of the body and disposed in an angular disposition to the longitudinal axis to form the shape of a single sheet hyperboloid. In one aspect of the invention a mandrel employed to orient the wires within the tubular body during fabrication of the contact socket remains attached to the tubular body after assembly of the contact wires and serves as a connecting pin to which various terminations can be attached.

The invention relates to a thunder and lightning locator with sound sensors and a locating method thereof. The thunder and lightning locator comprises four sound sensors, a four-passage data acquisition card and a data processing system, wherein the four sound sensors are distributed on four observing points; when thunder and lightning occur, the sound sensors positioned on the four space observing points respectively record the thunder reaching time of the observing points; four groups of time data are converted from A / D (analog to digital) by the four-passage data acquisition card and then transmitted to the data processing system; the data processing system solves the difference of the thunder reaching time of three space observing points through logical operation and computes the difference of the distances of the three space observing points according to the propagation speed of sound in the air; and a coordinate of a thunder and lightning generation position is determined according to an equation set and a principle that a point can be determined by intersecting three hyperboloids in space. The invention ensures high measurement precision, also simplifies a locating measurement method, reduces the hardware requirements and the equipment cost, realizes the accurate automatic locating of the thunder and lightning and can be widely used in the field of meteorological sounding.

An ion trap is provided in which higher multipole field fractions can be switched on and off and, in addition, can be electrically tuned. Specifically, the electrodes of an ideally shaped ion trap are divided into rotationally symmetrical component electrodes positioned facing the interior of the ion trap on a hyperboloidal surface with rotationally symmetry.

In the conventional lighting equipment for vehicle using LED lamp, as the LED lamp irradiation angle is narrow, an optical irregularity making the luminescent surface spotted is generated, resulting in a feeling of wrongness of the viewer. Means to Solve the Problem. A LED lighting equipment 1 for vehicle of the present invention, comprising at least one light emitting unit 3 wherein an LED lamp 2 is disposed approximately at the focus of one hyperboloid, a reflection surface of hyperboloid 4 defined by the other hyperboloid comprising a transmission portion 4a disposed in an appropriate range near the optical axis is arranged in the LED lamp 2 optical axial direction, and a refection surface of paraboloid of revolution 5 having the approximate focus at the focus of said the other hyperboloid focus is arranged at the side of said LED lamp 2, allows to enlarge the irradiation angle at the reflection surface of hyperboloid 4, and to emit light in a larger area.

The invention provides an especial-big span suspension bridge of a uniparted hyperboloid space rope net main cable and a construction method thereof. A straight line character of the uniparted hyperboloid is used to change a vertical parallel cable rope system of an original suspension bridge. A thick and heavy centralized cable rope is changed into a dispersive space steel wire cable rope. Multiple strand of steel wire cable ropes are arranged in a cross mode. Space rope net main cable-cross nodes are fixed to form a space cable rope system of the uniparted hyperboloid type. An oval steel strengthening ring beam is arranged. A suspender and a stiffening beam are installed. A gate-type rigidity middle buckle is arranged. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system is built. The especial-big span suspension bridge of the uniparted hyperboloid space rope net main cable system has the advantages of being strong in span capacity, large in space structure rigidity, high in screw frequency ratio, good in wind resistance stability and the like. The novel space main cable system suspension bridge is capable of radically saving the problem of the wind resistance stability of the big span suspension bridge and used for projects of a striding sea connected island. The especial-big span channel suspension bridge of 3000-5000 meters is built.

The invention provides an apparatus for rapidly correcting an installation position of a panoramic vision measuring system. The apparatus comprises a viewing module, a perspective imaging module and a protection module, wherein the viewing module comprises a hyperboloid reflector installed in a protective glass tube and a hyperboloid reflector connector arranged on the top of the protective glass tube; the perspective imaging module comprises a scientific grade camera with a high frame frequency, and a perspective lens; and the protective module comprises a protective glass tube. The viewing module is connected with the protection module through a connector; the perspective imaging module is installed in the protection module by a support; and the top of the hyperboloid reflector is a circular plane whose center is the original summit of the hyperboloid reflector, wherein the circular plane is in parallel with the bottom of the hyperboloid reflector. The apparatus provided by the invention has a simple structure and a good adaptability and needs no external auxiliary measures; the apparatus can realize high-precision correction of the installation position of the panoramic vision measuring system, therefore possessing a high practical value.

The invention relates to a no-blocking pure reflection optical system. The system is of an eccentric three-mirror structure and comprises a primary mirror, a secondary mirror, an aperture diaphragm, a ternary mirror and a detector focal plane which are arranged along the optical path from the object space to the image space in sequence, wherein the primary mirror, the secondary mirror and the ternary mirror are all reflecting mirrors, the primary mirror is a concave-paraboloid mirror, the secondary mirror is a convex hyperboloidal mirror, and the ternary mirror is a free-form-surface mirror; light is reflected on the surface of the primary mirror, the surface of the secondary mirror and the surface of the ternary mirror in sequence and blocking is avoided, and light reflected by the three mirrors irradiates on the focal plane perpendicularly. The system has the advantages of being wide in wave band, large in visual field, small in distortion, small in F number, free of blocking, telecentric in image space, free of chromatic aberration or thermal aberration and the like and is suitable for high-resolution observation.

The invention relates to a field mapper of traffic accidents based on binocular solid all-directional vision. The mapper comprises two all-directional vision sensors with the same imaging parameters, a connecting unit and a microprocessor used for data processing and drawing of the field chart of the road traffic accidents on the panoramic picture obtained by the two all-directional vision sensors. The all-directional vision sensor comprises a hyperboloid mirror face, a supporting bar, a transparent glass surface and an image pickup unit; the supporting bar takes the shape of a tapering round platform and the upper end of the supporting bar is fixed in an ostiole at the bottom center of the hyperboloid mirror face, and the lower end of the supporting bar is fixed on an additional lens frame embedded by the transparent glass surface in a mounting hole at the center of the transparent glass surface by screws; the supporting bar is vertical to the transparent glass surface, and the image pickup unit is arranged in the additional lens frame; the mapper automatically measures the coordinate data of related characteristic points, finally, a field record chart, a field scale map, a field section map, a field elevation drawing and a field analysis chart of the traffic accidents are automatically drawn according to the characteristic data.

The invention discloses an activated voiceprint password security control method and system under public background noise. The steps of the method include: activating a recognition module to perform real-time voice monitoring in a common environment, and determining whether a voice signal needs to activate a sound source location pickup module; The sound source localization pickup module receives the sound source data of the interactive target, and estimates the time delay difference of arrival; for the time delay difference of arrival, multiple hyperboloids are constructed in combination with the position of the microphone array to determine the position of the sound source of the interactive target, and obtain the sound source of the interactive target The voice signal of the source; the preprocessing module preprocesses the voice signal of the interactive target sound source; the voiceprint password recognition module extracts the characteristic parameters of the voice signal, and matches the characteristic parameters with the instruction text of the recording library. The present invention solves the power consumption of the system, locates and picks up the increment of the voice burst under the low signal-to-noise ratio of other human voices, echoes, and reverberations, and solves the above-mentioned current problems through three safe voice recognition and control operations.

The invention provides a detection and positioning method for partial discharge of a transformer, which comprises the steps as follows: utilizing an ultrasonic probe to detect ultrasonic signals generated by partial discharge points of the transformer on the outer side of a transformer oil tank; preprocessing the ultrasonic signals, wherein the preprocessing comprises analog-to-electrical signal conversion processing and analog-to-digital signal conversion processing; and utilizing a hyperboloid positioning method to determine positions of the partial discharge points according to the ultrasonic signals. According to the technology of the invention, internal ultrasonic generated by the partial discharge is detected on the outer side of the transformer oil tank, and the obtained ultrasonic signals are utilized to be combined with the hyperboloid positioning method to determine the positions of the partial discharge points, so that the positioning cost is low, the efficiency is high, and the detection and positioning method can realize total digitized positioning to the partial discharge points of the transformer, and online positioning can be realized through the network.

The invention discloses a construction method for hyperboloid furred ceiling. The method includes measuring spot data through a prism-less total station, and constructing a hyperboloid model through spot data. The hyperboloid model serves as a template to manufacture a hyperboloid and as subsequent construction blueprint. During the entire process, the model is processed for many times. The initial model is corrected according to measuring results and actual deviation to establish a final panel model. The theoretical model is converted into final hyperboloid furred ceiling through on-site precise construction control.

A skiving tool for manufacturing a rotationally symmetrical periodical structure on a work piece by means of a power skiving method. The skiving tool comprises a base body comprising a central rotation axis and a plurality of receiving openings and a plurality of cutter bars, fewer than or equal to the number of receiving openings. Each of the receiving openings has an elongate shape having a longitudinal axis, and the receiving openings can be arranged uniformly around the central rotation axis. The longitudinal axes of the receiving openings are generators of a rotation hyperboloid, which is arranged rotationally symmetrical to the central rotation axis.

An endoscope attachment enables an endoscope to capture images of areas in front and at the sides of the endoscope. The endoscope attachment has a transparent attaching part which is used to attach the endoscope attachment to a probe of the endoscope and has two through-holes. A cylindrical transparent image capturing part is used to enable a camera of the probe to capture images and has a trumpet-shaped second mirror on the outer wall of the image capturing part and a wide angle lens with a hyperboloid in the image capturing part. A first mirror is formed at a part of the hyperboloid of the wide angle lens.

This invention relates to a kind of overall view vision system based on hyperboloid mirrorscope, overall view mirrorscope and overall view connector compose overall view finder module, the zoom lens connector and the zoom lens compose the zoom lens module, the upper part of the glass protecting cover is blocked in the flute of the overall view finder connector, the down part is blocked in the flute zoom lens connector, to make both the overall view mirrorscope and the zoom lens are put in the glass protecting cover, the finder telecamera links with the zoom lens connector. The centre of overall view mirrorscope , zoom lens and telecamera sensor are in the same straight line , it has ascertained optical imaging focal point of the overall view system; the said overall view mirrorscope is hyperboloid structure , the reflection focal which the hyperboloid point corresponded and the optical imaging focal point of the overall view system coincide. The overall view mirrorscope in the invention adopts the hyperboloid structure, it can satisfy the range demand of wide angles finder of the system, the module combination method is easy to assemble and change, has improved the reliability of the system.

A skiving tool for manufacturing a rotationally symmetrical periodical structure on a work piece by means of a power skiving method. The skiving tool comprises a base body comprising a central rotation axis and a plurality of receiving openings and a plurality of cutter bars, fewer than or equal to the number of receiving openings. Each of the receiving openings has an elongate shape having a longitudinal axis, and the receiving openings can be arranged uniformly around the central rotation axis. The longitudinal axes of the receiving openings are generators of a rotation hyperboloid, which is arranged rotationally symmetrical to the central rotation axis.

An electrical connector for high current applications has a mating plug and socket assembly. The socket assembly has two sockets arranged coaxially of one another and electrically interconnected. The central socket receives and contacts a pin on the plug assembly; the other socket contacts the external surface of a tubular sleeve surrounding and integrally electrically connected with the pin. The socket assembly also has a third socket electrically insulated from and arranged coaxially outwardly of the other two sockets. The third socket makes electrical contact with the outer surface of a tubular contact extending coaxially of the pin and electrically insulated from it. The sockets each have a hyperboloid configuration of multiple resilient wires to make contact with the pin, sleeve and outer contact.

The invention discloses a square rigid cable dome structure. Rigid members form mutually vertical grids and are positioned on a convex hyperboloid; boundary ring beams are arranged at the peripheries of the grids; vertical brace rods perpendicular to the ground are arranged under grid nodes of the rigid members on horizontal symmetric axes and vertical symmetric axes as well as grid nodes of the peripheral rigid members; oblique cords are connected between the network nodes of the horizontal symmetric axes and the vertical symmetric axes and the lower ends of the adjacent inside vertical brace rods; oblique cords are connected between nodes of the boundary ring beams and the rigid members and the lower ends of the adjacent inside vertical brace rods; square down string-nets are formed among the lower ends of the vertical brace rods on the horizontal symmetric axes and the vertical symmetric axes; down string-nets are connected among the adjacent nodes of the lower ends of the peripheral vertical brace rods; and four corners are provided with down string-nets. The square rigid cable dome structure is concise in structural form and excellent in stress performance, has improved bearing capacity and stability compared with beam string structures with same span and rise-span ratio, is gentle in deformation, and saves the space at the same time.

A connector adaptor (205) and method may include a terminal block (210) and a power conductor (215). The power conductor includes in-line, hyperboloid radial sockets (220) to be applied to pins 235 mounted in an array on a power distribution unit (106), and two-hole terminal connectors 225, where the two-hole terminal connectors are each coupled to a pair of threaded studs (230) extending from the terminal block, and where the connector adaptor is adapted to conduct power to an embedded computer chassis.

A lighting device of the invention is a lighting device, including: a light source device having a light-emitting tube and an ellipsoidal reflector; a concave lens having a light-incident surface formed from a hyperboloid of revolution to make the illuminating luminous flux from the light source device almost parallel; a first lens array; and a second lens array, which is characterized in that a concave surface is present between the light-incident surface of the concave lens and the first lens array on a surface where the plural small lenses are formed, and the concave surface is furnished with a function of causing, together with the light-incident surface of the concave lens, an illuminating luminous flux having passed through the light-incident surface of the concave lens to travel along an optical path heading to an outer side than an optical path parallel to an optical axis of the light source device, while causing the illuminating luminous flux to pass through the small lenses that correspond to each other in the first lens array and the second lens array. It is thus possible to reduce losses in quantity of light, which can in turn improve efficiency of utilization of illuminating luminous fluxes.

The invention discloses a new single camera based omnibearing stereo vision system. The system is characterized in that the system comprises a transparent cylinder, upper and lower reflecting mirror surfaces in specific shapes and a perspective camera, wherein an upside mirror surface is a combined mirror surface of two of a hyperboloid, an ellipsoid, a paraboloid and a plane mirror; a downside mirror surface is a hyperboloid or a paraboloid; the perspective camera is installed inside the downside mirror surface; the main optical axis of the perspective camera is coaxial with the principal axis of the upper and lower reflecting mirror surfaces and the lens of the perspective camera is slightly smaller than the aperture at the top of the downside mirror surface; one part of the combined mirror surface forms images independently and the other part of the combined mirror surface forms a foldback system with the downside mirror surface; and two images of an object are formed on a camera and the corresponding image points are on the rays with the centers of the images as the circle centers. The system has the following advantages: the system is compact in structure and is light and small; the horizontal 360-degree and vertically bidirectionally-angled three-dimensional viewing field can be formed; and the stereo vision information is convenient to obtain by adopting the depth recovery algorithm.