48 results about "Photosphere" patented technology

A LED sensor night light comprises a housing consists of a front panel and a back panel, a transparent front protective shade with refractive angels at its surface; and a semi transparent back protective shade, and at least one cold-cathode light source as a illuminant is affixed in between said front panel and said back panel, and a plurality of circuit boards with at least one sensor circuitry, at least one fluorescent optic integrating pillar is attached in the center portion of said circuit board and placed to cover said light source, and a plurality of metal power plug, and at least one light-reflecting mirror in an arch shape with multiple reflecting angels which provide a night light night light with two positions of illumination, a mean of automate mechanism which allows night light to turn on and on automatically as needed and mean of balancing and converging said cold-cathode light source into a light sphere to relatively increase a lighting power with the same given power supply and light source.

The invention discloses a multiple-target location capture positioning system based on multiple cameras. The system comprises as server, at least two cameras, multiple VR glasses, clients and photospheres, wherein the number of the clients, the number of the photospheres and the number of the VR glasses are the same; the LED photospheres provide locations of experiencers for the cameras; the server receives image data sent by the cameras and processes the image data to obtain location data of the experiencers; the client reads data sent by the VR glasses and sends the data to the server; the location data, sent by the server, of the experiencers is received and processed, the location data of all the experiencers is revaluated into coordinates of a virtual environment, the virtual environment or a model is generated in real time, and virtual pictures are rendered to the VR glasses in real time. The system overcomes the limitations that existing VR glasses only support small-range head movement and movement is done through handle operation, the experiencers can completely get rid of the limitations in the past to move freely, and virtual reality experience more approximate to a true environment is provided; interaction among multiple users in the same virtual environment can be supported.

A light source apparatus includes a lamp, an ellipsoidal mirror collecting a part of light radiated from a light transmission plane of the lamp, and a spherical mirror collecting another part of the light radiated from a light transmission plane not collected by the ellipsoidal mirror and reflecting it on the ellipsoidal mirror, in which a reflection plane of the ellipsoidal mirror and the reflection plane of the spherical mirror are in a form of non-rotation symmetry to an optical axis connecting a focal position F1 corresponding to a source of luminescence of the lamp to a focal position F2 of the light collected by the ellipsoidal mirror respectively. The distance between the reflection plane of the spherical mirror and the source of luminescence of the lamp is shorter than the distance between the source of luminescence and the focus of the light collected by the ellipsoidal mirror, and a part of the reflection plane of the ellipsoidal mirror is formed around the optical axis.

The invention relates to a rapid extraction method based on a self-luminous ball camera calibration target, and belongs to the field of visual measurement. Before calibration, the three-dimensional calibration target is mounted, a three-coordinate measuring machine is used for measurement, accurate 3D position information of the center of the self-luminous ball target is determined, left and right cameras in a binocular visual system are used to shoot the self-luminous ball target, characteristic information of the center of the self-luminous ball target is extracted from pictures, and a 2D pixel coordinate of the center of the self-luminous ball target is calculated. On the basis of a direct linear transformation method, internal and external parameters of the left and right cameras are calculated, and stereoscopic calibration of the cameras in the 3D space is realized. The self-luminous ball targets including different numbers of rows are different in brightness, different grayscale thresholds are set, and thus, space information is identified rapidly and automatically, and the left and right cameras are calibrated rapidly in high precision in the calibration process.

The invention belongs to the field of solar corona observation, aims to provide a solar simulator which is high in simulation, low in cost and more efficient, and particularly provides an efficient solar simulator for solar corona observation experiments. The efficient solar simulator for solar corona observation experiments comprises a photosphere lighting system, a photosphere imaging system, a solar corona lighting system, a collimation system and a shading system, the photosphere lighting system, the photosphere imaging system and the solar corona lighting system are disposed inside the shading system, an incident end of the collimation system is disposed inside the shading system and is in butt joint with the solar corona lighting system, and the photosphere imaging system comprises obscured glass, a first metal plate, a first lens, a second lens, an attenuation sheet and a second metal plate. Light emitted by the photosphere lighting system is homogenized by the obscured glass, homogenized light is incident to the first lens via an opening portion of the first metal plate and penetrates through the first lens prior to parallel light emergence, parallel light is incident to the second lens and then converged onto the attenuation sheet, light penetrates through the attenuation sheet prior to entering the collimation system via the solar corona lighting system, and accordingly simulated sunlight is outputted.

The invention discloses a wireless communication device, a virtual reality photosphere and a virtual reality system. The wireless communication device comprises a micro-controller, a hardware interface, a first wireless chip and a second wireless chip; the hardware interface, the first wireless chip and the second wireless chip are separately connected to the micro-controller; the first wireless chip is used for being wirelessly connected to the first kind of wireless equipment; the second wireless chip is used for being wirelessly connected to the second kind of wireless equipment; the hardware interface is used for being connected to an extension interface of a virtual reality helmet; the micro-controller sends data received by the first wireless chip and the second wireless chip to the virtual reality helmet through the hardware interface; therefore, the original single-function virtual reality helmet, which only can play audios and videos, can be compatible with wireless extension equipment, such as a wireless handle controller and wireless photographing equipment; the communication problem of the virtual reality helmet and wireless accessories can be solved; and thus, application scenes of virtual reality products are enriched.

The invention is applied to the technical field of optical imaging and measurement, and provides a reflection-type digital holographic microscope imaging device based on an electrically controlled varifocal lens. The device includes a laser device, a first beam splitter, a first light-path steering assembly, a second light-path steering assembly, a third light-path steering assembly, a second beam splitter and a camera; the first beam splitter separates lasers emitted by the laser device into object light and reference light; the first and second light-path steering assemblies are used for guiding the propagation direction of an object-light spherical wave to the second beam splitter, wherein the object-light spherical wave is generated after the object light goes through a microscope objective; the electrically controlled varifocal lens in the third light-path steering assembly is used for making the curvature of a reference-light spherical wave identical to the curvature of the object-light spherical wave by changing focal lengths, wherein the reference-light spherical wave is generated after the reference light goes through the electrically controlled varifocal lens; the third light-path steering assembly is used for guiding the propagation direction of the reference-light spherical wave to the second beam splitter, the second beam splitter is used for outputting the spherical waves, and the camera is used for recording a generated interference fringe pattern. According to the reflection-type digital holographic microscope imaging device based on the electrically controlled varifocal lens, phase distortion can be eliminated.

The invention relates to the field of space positioning, and discloses an augmented reality-based space positioning method and device. The augmented reality-based space positioning method comprises the following steps of: obtaining a deviation angle of a double-camera coordinate system relative to a world coordinate system, wherein the world coordinate system is a coordinate system established by taking a known target position of a positioning photosphere as a reference coordinate; obtaining a practical position of the positioning photosphere in the world coordinate system; calculating coordinate values, in the world coordinate system, of two cameras according to the deviation angle and the practical position and target position of the positioning photosphere; and determining a position, in the world coordinate system, of a virtual object in a virtual space according to the coordinate values, in the world coordinate system, of the two cameras. Compared with the prior art, the method and device are capable of ensuring the position superposition of virtual objects and positioning photospheres so that virtual objects in virtual scenes can be tightly combined with real objects.

The invention discloses a production process of small and micro precision bearing steel balls. The main process includes: cold heading→light ball→heat treatment→hard grinding→cold pickling→strengthening→cleaning→primary grinding→precision grinding→finished product cleaning→photoelectric appearance inspection → Anti-rust packaging, etc.; the precision grinding process is concentrated in a closed space, and a special industrial vacuum cleaner is responsible for the sanitation in the closed space to ensure cleanliness; the temperature is controlled at 23±2°C by industrial air conditioning; when the air humidity is less than 60 %, the room air humidity is controlled at 60-65% by spraying clear water mist to the room. The invention ensures that the precision grinding process in the production process of the small and micro bearing steel balls is always carried out in an airtight, constant temperature, dust-free and moisture-retaining airtight space. The good processing environment ensures the quality of G10 and even G5 small and micro high-end bearing steel balls.

The invention discloses an automatic pearl falling and image acquiring device for sorting pearl shapes, wherein a light ball is mounted on a light ball bracket, three camera apertures are formed in the light ball, and are arranged at intervals of 120 degrees and on a 75-degree ring on the upper half circle of the light ball, the upper end and the lower end of the light ball are connected with a pearl falling conduit, the pearl falling conduit at the upper end of the light ball is connected with a pearl sequencing and feeding device, an arc-shaped guide block is arranged between the high side and the low side of the radial section of the inner wall of a feeding barrel, a guide slot is formed between the guide block and the inner wall of the feeding barrel, an inlet is formed in the high side of the guide slot, and the low side of the guide slot is communicated with the discharge opening of the feeding barrel. The automatic pearl falling and image acquiring device can control the quantity of pearls in the feeding barrel, so that the guide block has little possibility of blocking. In addition, the light ball of the automatic pearl falling and image acquiring device is designed with the three camera apertures, every two of the three camera apertures are perpendicular to each other, and when three cameras shoot, the shape information of the pearls can be effectively provided, and thus the shape sorting accuracy is improved.

A bi-directional induction mouse component part which uses the surface protruding points as monitoring points of optical inductor's coordinates, counter-weight balance fixed inside of photosphere produces barycenter and positioned downward, so that the body placing photosphere can rotate freely in X and Y axis, photosphere is elevated without any movement due to buoyancy of liquid or ball bearings, and the body drives optical inductor to induce surface of photosphere so that mouse controller control the movement of cursor; However, the body to place photosphere can be any type of control device (such as mouse or electric appliance controller, etc.), it can transmit signal on display or TV so as to remote-control all types of electric appliances, the body can be operated in air and on a plane position, furthermore, it can switch the inducing direction of optical inductor by transmitting and receiving LED and provide remote control body as basic modular of mouse.

The embodiment of the invention relates to a measuring apparatus and correction method of wavelength drift in different view fields for a narrowband light filter. The correction method of wavelength drift in different view fields for a narrowband light filter includes the steps: cutting-in a scaling light source and a diffusion sheet into an optical path on which the narrowband light filter is; scanning the spectrum of the scaling light source through the narrowband light filter; according to the spectrum of the scaling light source, determining the wavelength drift in different view fields for the narrowband light filter; shifting out the scaling light source and the diffusion sheet from the optical path; scanning the spectrum of an observation target through the narrowband light filter; and according to the wavelength drift in different view fields for the narrowband light filter, calibrating the spectrum of the observation target, and obtaining the real spectrum and the velocity field information of the observation target. The measuring apparatus and correction method of wavelength drift in different view fields for a narrowband light filter can be used for small-bore and large-view-field sun observation of space and ground base, such as a full solar disk photosphere and chromosphere image, can also be used for coronagraph observation of space and ground base to finally realize accurate background calibration of wavelength and velocity field, and can be used for small-bore and large-view-field remote sensing to earth, based on the narrowband light filter.

The invention discloses a method for realizing a rotary floating type colorful light ball system. The rotary floating type colorful light ball system comprises a box body and a remote controller, wherein the box body comprises a base (1) and a transparent outer cover (4) which is arranged on the base in a buckling way; an annular passage is formed between the transparent outer cover and the base; multiple colorful light balls (5) are arranged in the passage; the inner part of the base is provided with multiple charging coils (2); the base is provided with multiple rows of oblique gas ejector pipes (3) and multiple rows of transverse gas ejector pipes (6); circulating gas flow is formed in the annular passage by gas which is ejected by the oblique gas ejector pipes and the transverse gas ejector pipes and is used for driving the colorful light balls to move; each colorful light ball comprises a transparent spherical shell (51), a circuit board (54), an induction coil (55), a supporting rod (53) and a tri-color lamp (52), and the circuit board (54), the induction coil (53), the supporting rod (53) and the tri-color lamp (52) are arranged at the inner part of the transparent spherical shell. According to the method for realizing the rotary floating type colorful light ball system, disclosed by the invention, the design is clever, the implementation is easy, a dynamic and colorful visual effect can be generated by the rotary floating type colorful light ball system based on the method.

The invention relates to an implementation method and an implementation device of an all-optical OFDM (Orthogonal Frequency Division Multiplexing) signal photosphere network code. The method comprises the following steps of: splitting two paths of all-optical OFDM signals into orthogonal subcarrier signals at a coding node so as to realize the widening for signal pulse width; and merging the output into new all-optical OFDM signals by using all-optical logical difference or the coding calculation of the subcarrier signals realizing identical frequency. A decoding node and the coding node have similar structures and functions, and the original input all-optical OFDM signals are recovered through solution difference or calculation. The device comprises a demultiplex module, a pulse widening module, an all-optical logical difference or module and a multiplex module at the coding and decoding nodes, an optical amplification module and a dispersion compensation module in optical fiber transmission. The method and the device use network coding thought to realize the purpose of all-optical OFDM signal network multicast, reduce the difficulty of pulse bit-oriented alignment and improve the tolerance of pulse delay difference by using the pulse widening method before the calculation of coding and decoding.

The invention discloses a calculating method of cross-photosphere electric straton wavelength route based on WSON network. The method comprises following steps: after receiving a route calculation request of OTN (Optical Transport Network) electric straton wavelength LSP, calculating the OTN electric straton wavelength LSP in advance; extracting a virtual network topology VNT according to the OTN electric straton wavelength LSP; adding the virtual network topology VNT in an OTN electric layer topology so as to form a topology; generating an OTN electric layer matrix; according to the OTN electric layer matrix, calculating the OTN electric straton wavelength LSP satisfying a route constraint by using a Dijsktra algorithm. According to the method of the invention, when a route protocol and a signaling protocol are extended to the minimum, the global optimum cross-photosphere electric straton wavelength LSP route is calculated; the connection blocking rate is reduced; and the service quality of the network is improved.

The invention relates to a cloud removing method of a full-disk H alpha observing system, and aims at solving the problem that the cloud removing method of the full-disk H alpha observing system is discussed a little in the sun actual measurement science in the world at present, and cloud data are generally directly deleted in most of the ground observation. The cloud removing method is the first cloud removing method used for sun structure during the full-disk observation for the first time in domestic, which increases the acquiring and capturing quantity of solar flare data in the future. According to the method, a special background image is constructed through residual information of limb darkening of the quite sun in the cloud coverage data, and then the original data and the background image are utilized to generate flat field data highly close to the cloud absorption characteristics to repair the image. The method has the characteristics that the mathematical method adopted is determined according to a sun physical mode, rather than mathematically reconstructing the digital image blindly; the data which cannot be repaired are provided with quality mark after considering the cloud effect in light of the similar CCD flat field, and the data which can be repaired are repaired. The experiment performed at a plurality of times in the Huairou solar observing station of National Astronomical Observatories of China verifies that the method can be widely applied to the foundation full-disk telescope observing systems for various photospheres and chromospheres wave bands; the method is currently mainly used for repairing the data with cloud flare.

A moving-body lighting device includes: a first light source; a second light source that is disposed forward of the first light source and emits light forward; a reflector in a shape of a segment of a spheroid, and that reflects the light emitted by the first light source; a projection lens that receives the light emitted by the first light source and reflected by the reflector; and a shade disposed between the second light source and the projection lens, proximate a second focal point. The projection lens includes a first lens region that receives the light emitted by the first light source and reflected by the reflector, and a second lens region that receives the light emitted by the second light source. The major axis of the spheroid is oblique to a horizontal axis.

The invention provides a moving object multi-view light and shadow synthesizing method based on sparse light field elements. Light distribution of a light field data acquisition system is set according to the illumination radiation diagram of a target scene, and multi-view and multi-illumination light field data of a moving object are acquired and then the illumination effect of the moving object under the target scene is synthesized. The method mainly comprises the following steps that firstly the scene illumination radiation diagram is acquired from multiple scene light ball images of different exposures and decomposed into scene illumination elements; then clustering combination is performed on the illumination elements so that the sparse light field elements are obtained, and the number and the position of light field acquisition equipment light and video cameras are set according to the sparse light field elements; and finally the multi-view and multi-illumination light field data of the moving object are acquired in the light field acquisition equipment and the multi-view light and shadow effect of the moving object is synthesized. The moving object multi-view light and shadow synthesizing method based on the sparse light field elements can be widely applied to the aspects like film and television production.

The invention discloses a preparation process of an anti-fracture high-stability elevator counterweight block, and belongs to the field of elevator accessories. According to the preparation process of the anti-fracture high-stability elevator counterweight block, during preparation, a plurality of wire drawing balls which do not interfere with one another in position are arranged, through the guidance of a magnetic plate, the magnetic light guide balls can drive a pre-splitting radiation rope to extend in slurry under the guidance of magnetic force, so that the effect of radiation wire drawing is formed, then a crisscross wire drawing vein is formed in the slurry, and the strength and the stability of the counterweight block are remarkably improved; and in addition, in the long-time use process, when a crack is generated in the counterweight block, the local stress of the pre-splitting radiation rope at the crack is large, so that the stress of an elastic pipe is large, the part of the elastic pipe is cracked, then colored liquid in a light-transmitting shell seeps out at the crack, the number of light spots on the surface of the counterweight block is reduced, workers can conveniently find the light spots in a dark well in time, then the safe and stable operation of an elevator is guaranteed, and the potential safety hazard is reduced.

The invention relates to the field of vision correction, in particular to a lens for correcting presbyopia. The lens comprises a lens main body, wherein the lens main body is a four-layer structure, i.e., an antifouling layer, a first lens, a second lens and a hardened layer, the lens main body is widened from two ends to the middle part and bent towards the antifouling layer, the first lens and the second lens are located between the antifouling layer and the hardened layer, the first lens is closed to the antifouling layer, a first correction layer consisting of ten convex light sensitive spherical rings with the perimeter being gradually reduced or more is arranged in the first lens, a second correction layer consisting of ten convex light sensitive spherical rings with the perimeter being gradually reduced or more is arranged in the second lens, and the vertical projections of the ten convex light sensitive spherical rings or more have a same center. By adopting the lens for correcting the presbyopia, the problems that the existing vision correction lens which is only a single lens that the adjusting area is limited, the lens cannot be used for a long time, the central area ofthe lens is simultaneously provided with the myopia training lens and the hyperopia training lens, double images can be produced by virtue of the two completely different lenses, and the existing vision correction lens cannot be used everyday can be solved.

The invention discloses a spherical floor lamp which comprises a sphere shell formed by splicing two hemispherical structures; the sphere shell is internally provided with a spherical cavity; the spherical cavity is internally provided with a luminescent ball; the luminescent ball is internally provided with a lamp body mounting cavity; the lamp body mounting cavity is internally provided with a large-power luminescent component; the power is provided to the large-power luminescent component through an internal battery; the sphere shell is provided with a charging interface in an embedding manner; the output end of the charging interface is connected with a charging mainboard of the battery through two spring lines; the charging mainboard supplies the power to the battery; and the luminescent ball is installed in the spherical cavity through one or more external elastic rolling mechanism in a rolling manner. The floor lamp provided by the invention can arbitrarily roll on a floor and performs local illumination after rolling into a required region so as to have very good interactivity, is novel in structure design, rapidly dries water residual on the floor by utilizing the heat produced by the lamp and can exert a function of water removal on the floor.