86 results about "Rectilinear propagation" patented technology

A plurality of lighting device units 30, the light sources of which are light emitting elements 34, are tiltably supported by a common unit support member 20, so that optical axes of the plurality of lighting device units 30 are simultaneously adjusted. The projection lens 32 and the rectilinear propagation blocking member 38, which compose each lighting device unit 30, are integrated with each other as a light control member 40, and this light control member 40 and the light emitting element 34 are individually attached to the unit support member 20. Due to the foregoing, the lighting device structure can be made simple compared with the structure in which the completed lighting device unit is attached to the unit support member 20.

To reduce light passing through the gap between lenses. A plurality of lens sections L are provided on a substrate P with a gap therebetween by ejecting droplets. A control material is applied to the gap between the lens sections, the control material controlling rectilinear propagation of the light.

To reduce light passing through the gap between lenses. A plurality of lens sections L are provided on a substrate P with a gap therebetween by ejecting droplets. A control material is applied to the gap between the lens sections, the control material controlling rectilinear propagation of the light.

A movable type laser reflection, laser refraction and lens imaging demonstration combined device comprises a movable type semiconductor laser transmitter, an optical module, a teaching aid and a magnetic demonstrating board, wherein the optical module and the teaching aid are matched with optical experiments in use. The movable type semiconductor laser transmitter comprises a semiconductor laser transmitter I capable of emitting a beam of light or / and a semiconductor laser transmitter II capable of emitting two beams of light. The bottom of the semiconductor laser transmitter I, magnetic bases are installed at the bottom of the semiconductor laser transmitter II and the bottoms of the optical module and the teaching aid matched with the optical experiments in use. The magnetic demonstrating board is a flat board capable of sucking the magnetic bases. When the device is used, the movable type semiconductor laser transmitter and the optical module and the teaching aid matched with the optical experiments in use are sucked on the magnetic demonstrating board through the magnetic bases and can be moved optionally. The device can perform more than 50 optical experiments including light rectilinear propagation, light reflection, light refraction, lens imaging law, light interference, light diffraction and the like.

An optical member according to the present invention and equipped with a reflection / scattering section (11) including a selective reflection section (13) for reflecting visible light (102), for example, and transmitting infrared light (101a), for example, and also including a scattering section (12) for scattering the visible light 102 and provided on at least a first side (visible side) of the selective reflection section, wherein the rectilinear propagation transmittance of the infrared light (101a) is 75% or higher. The scattering section (12) may have a diffraction structure, may be a concavoconvex surface formed on the first-side surface of a reflective member belonging to the selective reflection section (13), or may have a particle-containing resin layer. The reflective member of the selective reflection section (13) may be a dielectric multilayer film or a cholesteric phase liquid crystal layer. Furthermore, the reflection / scattering section (11) may have a cholesteric phase liquid crystal layer having multiple regions with different axes of orientation in one plane.

The invention discloses a device and a method for detecting the liquid level of an infusion drip chamber. The device comprises a fixed shell and a detection circuit unit arranged in the fixed shell, the fixed shell is sleeved on the infusion drip chamber, the detection circuit unit comprises an infrared transmitting tube and an infrared receiving tube, the infusion drip chamber is positioned between the infrared transmitting tube and the infrared receiving tube, an infrared probe irradiates the liquid level by the aid of the principle of rectilinear propagation and refraction of light, pulse signals are transmitted and received by a corresponding receiving device, analog signals received by a pulse receiving end are sampled, and the liquid level is detected according to the received analog signals, so that the method for detecting the liquid level is high in anti-jamming capability and low in power consumption. By the aid of an error comparing and average filtering algorithm, sampling accuracy is improved, and liquid level fluctuation caused by man-made or other factors can be effectively filtered, so that the method for detecting the liquid level is high in accuracy rate and can remove liquid level fluctuation and the like.

The invention provides a capsule preparing machine with a detection function. The capsule preparing machine with the detection function comprises an input-output device used for receiving an operating instruction issued by a user; a work actuating mechanism used for actuating a preparing operation; a detection device used for detecting whether a capsule storehouse is provided with the capsule and feeding back a detection result to a control device; the control device used for receiving the operating instruction issued by the user through the input-output device, and correspondingly controlling the work of the work actuating mechanism and the detection device; the detection device comprises a detection source and an induction component; the detection source is used for emitting a detection wave in rectilinear propagation to the place where the capsule is located when detecting the capsule; the induction component is used for detecting whether the detection wave is received. The invention also provides the capsule used for the capsule preparing machine and a control method of the capsule preparing machine.

Provided are: a display optical-diffusion film capable of efficiently diffusing and projecting, as image display light, emitted light emitted from a collimated backlight and having high directivity onto the front surface of a display device, without causing straight transmission, especially when applied to a display device using a collimated backlight as the backlight for the display panel; and a display device using the same. A single-layer optical-diffusion film or the like having a columnar structure obtained by standing, in the film-thickness direction, a plurality of columnar objects having a relatively high refraction index in a region having a relatively low refraction index, wherein the film thickness of the optical-diffusion film is within the range of 60-700[mu]m, and the haze value is 80% or higher when light from the normal direction of the film surface is incident thereon.

The present invention discloses an electronic shelf label system communication method. The method comprises: S1: a server sends data information to at least one wireless reader, wherein the data information comprises electronic label information; S2: each wireless reader transmits the electronic label information to electronic shelf labels; S3: each electronic shelf label returns confirmation signals of receiving the electronic label information back to the corresponding wireless reader; and S4: the at least one wireless reader sends the confirmation signals returned by the electronic shelf labels to the server, wherein the step S1 and / or the step S2 and / or the step S3 and / or the step 4 employ Sub-GHz communication frequency ranges for communication. The problem is solved that signal rectilinear propagation and communication performances are not good in an infrared communication method; the employed Sub-GHz communication frequency ranges have lower power consumption than 2.4G communication frequency ranges; and the electronic shelf label system communication method has higher communication speed advantage than a low-frequency wireless radio wave method. The electronic shelf label system communication method can an electronic shelf label system with low power consumption and high-speed communication.

The invention discloses a device and method for measuring the off-axis amount of an off-axis paraboloidal mirror. The device comprises a converging light interferometer, a parallel light interferometer and a self-collimating plane mirror. Based on the light rectilinear propagation theory, a clear aperture geometric center and focal point of the off-axis paraboloidal mirror are projected to the self-collimating plane mirror and marked respectively, and the off-axis amount of the off-axis paraboloidal mirror is measured by measuring the marking distance. The device has the advantages of being simple in theory and easy to operate and solving the problem of measuring the off-axis amount of the off-axis paraboloidal mirror.

The invention belongs to a monocrystalline silicon growth oxygen content control technology. An annular oscillation source matched with and same as a crucible in outer diameter and shape is adopted at the bottom of the quartz crucible, the oscillation source ring generates a longitudinal sine oscillation wave which is propagated to a melt from the bottom of the crucible, and the propagation direction is the linear propagation in the vertical direction. The oscillation wave is propagated to the melt, generates a cavitation action, a stirring action and a longitudinal flowing action to the high temperature silicon melt around the crucible, and forms upward flowing in a region close to the crucible wall, thus accelerating the flowing of oxygen in a high concentration region to the free surface of the melt, reducing dissolvability of Si-O gas in the melt, promoting the violation of the Si-O at the melt surface and further achieving the action of controlling the oxygen concentration in the monocrystalline silicon.

The invention relates to a self-focusing laser processing device. A container for containing a non-linear medium is fixed between a lens and a workbench by the aid of a clamping mechanism. A laser beam is focused on the surface of the non-linear medium, the laser beam focused by the lens enters the non-linear medium to be transferred to produce self-focusing, and through two times of focusing by the lens and the non-linear medium, the laser beam leaving the container has the extremely small diameter and is linearly spread to the surface of a workpiece. The depth of the non-linear medium in the container, that is, the self-focusing distance L is related to energy of the laser beam and the refractive index of the adopted non-linear medium. A water jet auxiliary device is also provided, and the laser focus point on the surface of the workpiece coincides with the jet injection point center. Impact of water jet on the surface of the workpiece carries away residues and heat removed by laser. Lens focusing and self-focusing are combined, almost half of the diameter of the laser beam is reduced, and the energy density of the laser beam is increased. Laser alignment transfer is realized after self-focusing, the divergence angle is small, longitudinal etching is facilitated, the processing depth is increased, and the etching accuracy and efficiency are guaranteed.

The invention relates to a high resolution X ray, gamma ray and electron ray microscope. The microscope is composed of two sets of amplifying systems. A method 1 comprises that a first amplifying system adopts rectilinear propagation of wave, amplifies an object by utilizing the X ray, gamma ray and electron ray and carried out imaging on a crystal induction plate; a method 2 comprises that an existing transmission-type electron microscope system is utilized for amplifying the object and imaging on the crystal induction plate; the crystal induction plate converts images of the X ray, gamma ray and electron ray into visible light images; a second amplifying system amplifies the visible light images on an imaging plate; amplification factor of the whole system is amplification factor of the first amplifying system*amplification factor of the second amplifying system; and a two-stage amplification system is utilized, so that resolution higher than that of an existing transmission electron microscope is realized.

The invention discloses a double-shaft high-precision solar tracking motor controller, which includes a power interface, a singlechip and a circuit board, wherein photosensitive sensors and four relays are arranged on the circuit board; the photosensitive sensors are positioned on the peripheries of the relays; the relays are positioned above the circuit board; the photosensitive sensors are positioned under the circuit board; light transmitting holes are formed in the circuit board; the photosurfaces of the photosensitive sensors face upwards; the photosensitive sensors receive sunlight through the light transmitting holes; the power interface is connected with the singlechip through the power switching circuit; the singlechip receives signals of the photosensitive sensors and sends control signals to the corresponding relays; and the relays receive the control signals and then enable the motor to stop rotating or rotate leftwards, rightwards, downwards and upwards. The double-shaft high-precision solar tracking motor controller is used for measuring the solar azimuth based on the solar ray rectilinear propagation and photoeffect principles, automatically tracks the sun, and can be operated manually in a remote manner, achieves the auto-tracking accuracy within 3 degrees, and guarantees the solar thermal utilization of the maximum efficiency.

Provided is a miniaturized linear femtosecond laser pulse shape and width measurement device, which comprises a four-hole diaphragm plate, an attenuation time-delay sheet, a first convex lens, a third-order non-linear medium, a second convex lens, an optical fiber coupler, a single-mode fiber and a spectrometer, which are arranged in sequence in the beam incident direction of a pulse to be measured. Interference fringes are subjected to analysis and processing through a Fourier transform spectral interference method to reconstruct spectral and phase information of the light to be measured, thereby restoring shape and phase of the pulse to be measured and realizing measurement of shape and width of the femtosecond pulse. The device is based on the characteristic of rectilinear propagation of the light, and has the advantages of being compact in structure, firm and easy to adjust.

The present invention provides a light path display combination, especially a device of showing light path. The device belongs to the teaching laboratory equipment, characterized in that it is composed of a display board and a demonstration frame, when beam passes the display board composed by reflecting powder and transparent solid, the light path is shown, directly showing the straight propagation, reflection and refraction discipline of light, it is convenient for laboratory observation.

The invention belongs to the field of a mass spectrometry technology, and particularly relates to an ion deflection transmission system used in a mass spectrum instrument. The system comprises an ion focusing lens group and an ion deflection lens group. The ion focusing lens group is used for enabling ions passing through the ion focusing lens group to be focused in space and enter in the ion deflection lens group. Certain direct current voltage is applied on all electrodes of the ion deflection lens group to form a specific electric field, so that the ions can deflect by about 90 degrees. Uncharged photons and neutral molecules are not affected by electric field force, thus continuing rectilinear propagation. The ion deflection transmission system can achieve effects of eliminating the interference of photons and neutral molecules in mass spectrum analysis and improving the signal-to-noise ratio of the instrument.

The invention discloses a device for ball surface coating. The device adopts the scheme that an upper rotating disc is fixed with a fixed bracket through a spacing hole, and a lower rotating disc is connected with a rotating shaft, namely, the lower rotating disc rotates, and the upper rotating disc is fixed, so that the distances from the surfaces of balls to the rotating center of the rotating shaft are different, the balls can rotate automatically, a coating material in rectilinear propagation can be uniformly deposited on the surfaces of the balls, and the films of the surfaces of the balls are more uniform.

The invention discloses a spatial positioning system and method, positioning equipment and an optical sensor module. The spatial positioning system comprises the positioning equipment, N optical sensor modules and a master controller. The positioning equipment is provided with an optical scanning device. The N optical sensor modules are arranged in a space with positioning to be performed, and each optical sensor module comprises M optical triggers. The optical scanning device is used for generating scanning rays in a first direction and scanning rays in a second direction, wherein the first direction and the second direction intersect. The optical triggers are used for generating electrical signals under the action of the scanning rays. The master controller is used for determining the position of the positioning equipment in the space with positioning to be performed according to the electrical signals generated by at least three non-collinear optical triggers. According to the scheme, the characteristic that light is propagated in straight lines and the photo-electrical effect are utilized, the precision of spatial positioning is improved to the centimeter level from the meter level, and the higher and higher requirement of people for the spatial positioning precision is met.

The invention discloses a sun height measuring instrument, which belongs to the technical field of teaching instruments. The measuring instrument comprises a liquid disk, water, a light path tube, a light sensor, a circuit board, a trumpet, a diode, a battery, a bracket, an angle gauge and the like, wherein the light path tube passes through the liquid disk and is pulled in an adjustable and telescopic way; the liquid disk can be filled with liquid; when the liquid disk is rotated with a hand, the light path tube can be driven to rotate; and after the light sensor in the light path tube receives solar rays, light emitted by the diode can be seen and a music sound can be heard. The presence of a horizontal plane can be felt institutionally and the horizontal plane does not change along with the influences of an individual motion object and the ground situation. During measurement, the included angle relation between solar rays and the horizontal ground can be reflected and the measuring instrument is not influenced by a measuring place and is easy and convenient to operate. On the other hand, the light path tube verifies linear transmission of light; moreover, when the measuring result is recorded, the diode emits light and music is played automatically for promoting.

The invention discloses an X-ray photon counting imaging system based on spherical collimating. The system comprises an X-ray single-photon counter, a photon counting information reading module, an information processing unit, a spherical X-ray collimator and a numerical control random shutter array, wherein the X-ray single-photon counter is used for detecting X-ray photons and outputting detected light pulse signals to the photon counting information reading module, the photon counting information reading module is used for recording the counting value of X-ray photons and outputting the counting value to the information processing unit, the information processing unit generates a random observation matrix and controlling the opening and the closing of the numerical control random shutter array, the output end of the information processing unit is connected with the numerical control random shutter array, the spherical X-ray collimator is used for collecting X-rays from space in different directions, the output end of the spherical X-ray collimator is connected with the numerical control random shutter array, the numerical control random shutter array is used for controlling the opening and closing of each channel of the spherical X-ray collimator, and when a shutter is opened, the X-rays in the channel corresponding to the shutter are linearly transmitted to the X-ray single-photon counter. The problems that in the prior art, an X-ray imaging system is small in view field and large in manufacturing process difficulty are solved.

The invention discloses a method for extracting the road center line by means of a Visual Graph algorithm. In the actual application of path planning, in order to reduce impact on obstacles as much as possible, usually a robot is required to walk on the road center line in order to improve the walking safety of the robot. The Visual Graph algorithm is a very classic path planning algorithm provided in 1979, and the characteristic that light is linearly propagated is simulated. According to the invention, the execution idea, of the algorithm, that light is linearly propagated is employed to achieve extraction of the road center line, the coordinate points of the road center line and the connection relation of the coordinate points can be finally outputted, and the road center line is drawn in the map in order to supply a safe and appropriate walking path to the robot.

A radio wave transmission / reception device capable of detecting an obstacle in front of a vehicle using radio waves is disclosed. The device includes a radio wave transmission / reception unit; a radio wave reflection unit installed around the radio wave transmission / reception unit and changing the direction of the radio waves such that the radio waves can be propagated forwards from the vehicle; a radio wave rectilinear propagation guide unit installed in front of the radio wave reflection unit and guiding rectilinear propagation of the radio waves; and a viewing window installed in front of the radio wave rectilinear propagation guide unit and oriented toward the radiator grille. The radio wave rectilinear propagation guide unit has an inductive film parallel to the viewing window, with at least a reflection protrusion formed on the inductive film. The device improves the rectilinearity of radio wave propagation and improves the appearance of the radiator grille.

The invention discloses a virtual multi-point video generation method. The method comprises the following steps: step S1, acquiring a single-frame image; step S2, obtaining a left point view and a right point view; step S2, preprocessing, step S4, acquiring a search dense point initial parallax; step S5, searching a matching point, and computing the parallax of each pair of matching points; step S6, performing linear interpolation to matching point parallax with high resolution; step S7, obtaining a virtual multi-point image; and step S8, compressing the virtual multi-point image as a video format, sending to a video memory to display. By using the generation method disclosed by the invention, the dense parallax data needs to acquire, so that a mean value is used for replacing the single-point data to improve the accuracy of the parallax searching, and the algorithm stability is improved; the virtual other point parallaxes are computed according to a light rectilinear propagation principle of the geometrical optical, and then the virtual multi-point image is generated through the virtual parallax. By using the existing two-point 3D video, the images of other points can be obtained through a digital computing way, thereby realizing the multi-point video manufacturing with low cost.

According to the positioning method for inhibiting the mine non-line-of-sight error, personnel, vehicles and the like in a mine can prevent positioning signals from being propagated linearly between apositioning card and substations, non-line-of-sight transmission NLOS such as reflection, diffraction and scattering can be caused, and then the positioning error is caused. According to the characteristics of distance measurement change caused by non-line-of-sight signal intensity attenuation and distance measurement change caused by non-line-of-sight signal time delay; the positioning method for inhibiting the mine non-line-of-sight errors through the multiple parameters of the signal arrival time and the signal strength is invented, signal arrival time and signal strength ranging communication and data processing are carried out at the same time, and accurate positioning is achieved. The method is simple in implementation process, high in positioning speed, high in real-time performance and high in popularization value.

The invention provides a method for solving an imaging area of a DVD (digital versatile disc) display screen on front windshield glass. A rectangular area of images of the DVD display screen on the front windshield glass is estimated according to light rectilinear propagation and reflection laws, and matrix point sets are distributed in the area according to precision requirements. The method includes: fining feature points on the DVD display screen, taking four vertexes of the DVD display screen as the feature points, finding boundary points of feature point images entering eye ellipses through trials to find the imaging area of each feature point on the front windshield glass, and drawing a similar imaging area on the front windshield glass according to outline features of the DVD display screen. The method for solving the imaging area of the DVD display screen on the front windshield glass which is a curved surface is provided through a checking method, DVD glaring checking efficiency is improved during integral automobile development, significant reference basis is provided for DVD arrangement, and potential safety risks in running of automobiles are eliminated.

The invention discloses a thin-plate combined photocatalyst carrier structure, comprising several thin plates and ultraviolet light source. Several thin plates are arranged in laminated shape on the vertical axis direction of ultraviolet light source. Ultraviolet light source passes through the middle part among thin plates. Photocatalyst is carried on the surface of each thin plate and gaps for fluid flow are provided among thin plates. The photocatalyst carrier structure can make full use of linear propagation characteristic of ultraviolet light and make photocatalyst carrier obtain ultra-large ultraviolet irradiation ratio surface area. At the same time by adding the number of thin plates or developing blade dimension of thin plate arranging position of thin plate can be adjusted correspondingly to obtain larger ultraviolet irradiation ratio surface area. After the thin-plate combined photocatalyst carrier structure is applied in contamination treatment system, higher treating efficiency can be obtained. The invention provides technical support for practical application of contamination treatment system by photocatalyst. At the same time invest and use costs of treatment systemare decreased.