283results about "Telescopes" patented technology

The first aspect of this invention provides a polarized illumination system for providing illumination light to biological tissue, comprising at least one laser, a lens, and a polarization-maintaining fiber. The second aspect provides a polarized imaging system for receiving light reflected or scattered by biological tissue after illumination, comprising an analyzer, an imaging lens, and a photosensitive device. The third aspect provides another polarized imaging system, comprising an imaging lens, a polarizing beam splitter, and a photosensitive device. The fourth aspect provides an endoscope system comprising the aforementioned polarized illumination system and polarized imaging system. This invention utilizes the different depolarization characteristics of scattered light at different depths to achieve separate imaging of specular reflection light, surface scattered light, and deep scattered light, greatly improving the visibility of mucosal surface and deep mucosal information, and significantly enhancing the visibility of various mucosal lesions.

The application discloses a kind of based on spot image moment feature telescope primary and secondary mirror calibration method, belong to telescope computer-aided alignment field.The specific steps of the calibration method are as follows, first, randomly give the free degree misadjustment of telescope system secondary mirror, utilize unbiased finite impulse response moment to extract the spot image feature of multiple field of view within reasonable range under the misadjustment state of telescope;Then utilize fully connected neural network to construct the model between the free degree misadjustment of secondary mirror and the multiple field of view spot image feature matrix;In actual use, after the multiple field of view spot image collected by CCD camera is extracted into feature matrix using unbiased finite impulse response, it is input into the trained neural network model to solve the misadjustment of secondary mirror, to guide the alignment of telescope system.This method aims to wavefront sensor as the image quality evaluation benchmark of telescope without, and without multiple iterations, to improve the efficiency of system primary and secondary mirror alignment and the imaging quality of system.

The application provides a split device and an endoscope equipment. The split device comprises a first shell, a second shell and an assembly component. The second shell is arranged on one side of the first shell. The assembly component is arranged between the first shell and the second shell. The assembly component comprises a first assembly part and a second assembly part. The first assembly part is connected to one of the first shell and the second shell. The second assembly part is connected to the other one of the first shell and the second shell and is detachably assembled to the first assembly part, so that the second shell is detachably connected to the first shell. The split design of the first shell and the second shell is realized, the split assembly of the first shell and the second shell is facilitated, the second shell cannot be detached relative to the first shell is avoided, and the replacement convenience of the first shell and the second shell is ensured.

A periscope camera module includes a lens module, a photosensitive chip, and a circuit board assembly. The lens module includes a driver and a frame body. The driver includes a main body and a driving chip electrically connected to the main body. The frame body includes a first sidewall and a second sidewall. The driving chip is arranged on the first sidewall. A plurality of pins is provided on the driving chip. The photosensitive chip is arranged on the second sidewall. The circuit board assembly includes a first circuit board and a second circuit board. The first circuit board is arranged on and electrically connected to the photosensitive chip. The second circuit board is arranged on the drive chip. A plurality of pads is provided on a surface of the second circuit board facing the drive chip. The pads are electrically connected to the pins.

The application discloses a kind of based on super surface multimode fiber exit end point focusing method, using super surface to carry out wavefront regulation and control to incident light field, make the light spot of multimode fiber exit change from speckle into focused light spot.The specific steps are: according to theory, build multimode fiber point focusing light path based on spatial light modulator (SLM), calculate the phase corresponding to focusing light spot at a certain target position by sequential iteration optimization method;Then simulate and calculate the structure of the corresponding super surface based on this phase, the wavefront phase modulation of incident light wave can realize the point focusing of multimode fiber exit light spot at the corresponding position.The application carries out point focusing by super surface, compared with other methods has higher integration, is conducive to the development of entire device to smaller, light weight, has broad application prospect in medical, industrial and other fields.

The present invention provides an inner-focus type aiming scope and rifle scope in which the focal length of the objective lens system does not change even when the focusing lens group is moved. [Solution] An inner-focus type aiming scope 10 and rifle scope, which have an objective lens system 21 having a fixed lens group 21a fixed from the object side and a focus lens group 21b movable in the optical axis direction Od, are characterized in that the focal length of the fixed lens group 21a is set to infinity, and the incident direction of the light beam Lt incident from the fixed lens group 21a to the focus lens group 21b is parallel to the optical axis direction Od. As a result, the focal length of the objective lens system 21 can be kept constant regardless of the distance to which the focus lens group 21b is moved and focused on, and the scale size of the reticle and the amount of angle change to compensate for the effects of gravity, wind, etc. can be kept constant whether the focus is set to a long distance or a short distance.

The utility model relates to industrial endoscope technical field especially is a kind of anti-fouling structure for industrial endoscope, including endoscope shell and probe line, endoscope shell upper end is equipped with probe line, in the utility model, by setting internal thread protective sleeve, protective transparent glass mirror, wind collecting groove, connecting pipe, air outlet pipe, air inlet pump, ventilation hose and connector, protective transparent glass mirror plays the anti-fouling effect to probe, can reduce equipment internal dust directly adhered on probe, then when dust adheres to the outer surface of protective transparent glass mirror, start air inlet pump, air inlet pump blows wind into wind collecting groove by ventilation hose and connector, then enters connecting pipe and air outlet pipe finally spouts from air outlet nozzle, so that wind blows away dust adhered on the surface of protective transparent glass mirror, so that protective transparent glass mirror surface keeps clean, so that probe imaging is clearer, reduces the misjudgment and the missed measurement condition of occurrence caused by dust shielding.

Disclosed are a method and an astrophotographic apparatus for acquiring images of targets in a sky area. The method includes: step 1, an image acquisition device is driven through a controlled rotatable component to point to the position near a target in a sky area, and images of the sky area are acquired through the image acquisition device; step 2, the images of the sky area are analyzed to obtain the right ascension coordinates and the declination coordinates of the center point of images for synchronizing the coordinates to the controlled rotatable component; step 3, the image acquisition device is driven by the controlled rotatable component to point to a target position of the target right ascension coordinates and the target declination coordinates corresponding to the target celestial body to acquire the images; and step 4, an image processing is performed on the images to obtain the processed images.

To suppress the occurrence of an image noise by suppressing an influence, on an imaging signal, of a signal indicating that an input reception part receives an operation input, when the signal is transmitted.SOLUTION: An endoscope according to an embodiment comprises: a cable for transmission of an imaging signal; an input reception unit; a cable for transmission of an operated signal; and a timing control unit. The input reception unit is provided on the same side as an image pickup device with respect to the cable for transmission of an imaging signal and when receiving an operation input, outputs an input signal. The cable for transmission of an operated signal transmits an operated signal indicating that the input reception unit has received the operation input, and forms a composite cable obtained by integration with the cable for transmission of an imaging signal. The timing control unit is provided on the same side of the image pickup device with respect to the cable for transmission of an imaging signal and receives a synchronization signal and the input signal, the timing control unit outputting the operated signal in response to timing of the reception of the synchronization signal, as a result of the reception of the input signal.SELECTED DRAWING: Figure 2

The application relates to the distance measurement field and discloses a distance measurement telescope, which comprises a distance measurement module, a projection module and an eyepiece. The distance measurement module is used for acquiring distance measurement information of a target to be measured. The projection module comprises a projection source and a projection system, and the projection system is located between the projection source and the eyepiece. The projection source is used for displaying the distance measurement information of the target to be measured, so as to provide the projection system with light corresponding to the distance measurement information of the target to be measured, and the projection system projects the distance measurement information of the target to be measured to the focal plane of the eyepiece. In the case that the projection source can display the distance measurement information of the target to be measured and the projection system can project the distance measurement information of the target to be measured to the focal plane of the eyepiece, the projection module does not need to display the distance measurement information of the target to be measured in the form of broken code, and the user can view the target to be measured and the distance measurement information of the target to be measured through the eyepiece, so that the display effect of the distance measurement telescope on the distance measurement information of the target to be measured is improved.

A zoom endoscope optical system comprises, in order from the object side to the image side along the optical axis, a front fixed lens group, a zoom lens group and a compensation lens group, the front fixed lens group comprises a first lens, a second lens and a third lens, the zoom lens group is adjustable in position and comprises a fourth lens and a fifth lens, the compensation lens group is adjustable in position and comprises a sixth lens, a seventh lens, an eighth lens and a ninth lens, the ninth lens is an aspheric lens, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens are spherical lenses, compared with the prior art, the eight spherical lenses and the one aspheric lens are arranged, thereby reducing the length of the optical system, shortening the lens diameter, simultaneously assisting in correcting the imaging quality, and the aspheric lens guarantees the edge precision and improves the imaging effect of detecting the tiny defects in the pipeline.

To provide an endoscope imaging device and an endoscope high in reliability that can easily form an underfill layer.SOLUTION: An endoscope imaging device for acquiring an image of an observation object includes a lens barrel in which an imaging lens is provided, an image pick-up device that receives the light passing through the imaging lens, and subjects it to photoelectric conversion, a circuit board to which the image pick-up device is electrically connected through a bump having conductivity, and an underfill layer provided between the image pick-up device and the circuit board. The circuit board is bent, and has a bent part on the side opposite to the lens barrel. When a distance between a rear end on a bent part side of the circuit board of the image pick-up device and the bent part of the circuit board is represented as L1, and a distance between a front end on a lens barrel side of the image pick-up device and the front end on the lens barrel side of the circuit board is represented as L2, an inequality of L1<L2 is satisfied.SELECTED DRAWING: Figure 4

The disclosure relates to a reticle cell 22. The reticle cell comprises one or more pieces of reticle glass 28 held inside a reticle ring 26 by a retention washer 30, and a retention ring 32 that retains the retention washer and engages the reticle ring and the reticle glass. The disclosure also relates to an erector tube 10 comprising the or a reticle cell.

An automatic power-on / off structure for rotation-and-flip operations of a night-vision device is provided, relating to the technical field of night-vision devices. The structure includes a frame, two pivot arms, two night-vision scopes, two magnets, and two Hall sensors. Through the interaction between the magnets and the Hall sensors, i.e., a non-rigid contact, the structure enables automatic powering on of a night-vision scope when in use and automatic powering off when not in use. Specifically, when a pivot arm drives the corresponding night-vision scope to rotate to a certain angle, the magnet enters the sensing range of the Hall sensor, thereby triggering a signal to power on that night-vision scope. Conversely, when the pivot arm drives the night-vision scope away from the sensing range, that scope is automatically powered off. In addition, the pivot shaft connecting the pivot arm and the frame includes an adjustable damping feature, and sealing rings are provided at the contact portions to ensure dustproof and waterproof performance, allowing the structure to adapt to a wide range of operating conditions.

The application discloses a thoracoscope smoke removal and field optimization device, which comprises a thoracoscope body, a central controller and a display screen. The front end of the thoracoscope body is provided with a multispectral smoke sensor, and a liquid variable-focus lens is arranged in the optical channel of the thoracoscope body. The central controller comprises a data acquisition module, a hardware compensation calculation module, an optical execution module, an image reverse reconstruction module and a field output module. Thus, the efficiency delay and operation interruption problems caused by the dependence on physical removal in the traditional technology are overcome. Through the dual mechanism of integrated hardware optical compensation and software image reconstruction, the optical scattering and depth of field defocus caused by smoke are directly offset within milliseconds, and the field quality fluctuation and operation pause caused by waiting for physical removal are avoided. Not only the continuous stability and high definition of the surgical field are maintained, but also the smoothness and safety of the surgical operation are ensured, and the interference on the pneumoperitoneum environment is reduced.

The disclousre relates to a system comproising a viewing optic, a remote for the viewing optic, an illumination device, and a connector that couples the illumination device to the remote. In one embodiment, the disclosure further relates to a system comprising an illumination device and a viewing optic with an integrated display system.

The utility model relates to medical instrument technical field especially, more particularly to a kind of camera and endoscope system with liquid lens, the camera includes: in incident optical axis direction, first optical lens group, liquid lens, second optical lens group and image sensor are sequentially and interval arranged;Drive circuit, drive circuit is connected in liquid lens, drive circuit is used to output zoom signal to liquid lens;Liquid lens is used to carry out curvature adjustment when receiving zoom signal.Compared with the zoom of the prior art using mechanical mechanism, the utility model can not need to set mechanical mechanism, and then simplify structure, so that user is more portable when holding, improves user experience.

This invention provides an integrated optoelectronic connector structure and endoscope, belonging to the field of endoscope technology. It solves the problems of easy fiber breakage when using an external light source and inconvenient maintenance when using a built-in light source in existing endoscopes. It includes a socket and a plug that connects to the socket. The socket contains a first optical fiber extending forward and backward, and the plug contains a second optical fiber extending forward and backward, with a light source located at the rear end of the second optical fiber. When the plug is inserted into the socket, the front end of the second optical fiber abuts against the rear end of the first optical fiber. The rear end of the socket has multiple pins, and the front end of the plug has multiple spring pins corresponding to the pins. When the plug is inserted into the socket, the spring pins abut against the corresponding pins. The rigid plug protects the second optical fiber, and the rigid socket protects the first optical fiber, preventing breakage due to bending and effectively improving service life. The light source is located inside the plug, and the plug-socket connection facilitates replacement and maintenance of the light source.

An endoscope includes first and second angle knobs that are connected to first and second wire pulling members which change a direction of a distal end of an insertion part, in which a rotational movement restricting member is attached instead of the first and second angle knobs before use. The rotational movement restricting member includes a first rotational movement restricting portion that is engaged with the first wire pulling member to restrict a rotational movement of the first wire pulling member and a second rotational movement restricting portion that is engaged with the second wire pulling member to restrict a rotational movement of the second wire pulling member.

A photocathode. The photocathode includes an absorber. The absorber a p-type bulk active layer and a plurality of nanostructures formed on the p-type bulk active layer. The Photocathode further includes the plurality of nanostructures, such that the plurality of nanostructures are formed at a band bending region between the bulk active layer and the vacuum.

Disclosed is a small imaging optical system with a reduced number of cameras, without sacrificing camera module functionality. The imaging optical system is a small camera having a function for switching between multiple modes and fields of view.

A medical information processing apparatus according to an aspect of the present invention is a medical information processing apparatus including a processor. The processor is configured to execute a spatial information acquisition process of sequentially acquiring pieces of spatial information of a lumen on the basis of endoscopic images sequentially acquired by an endoscope; an estimation process of estimating, on the basis of the pieces of spatial information sequentially acquired, at least one of a three-dimensional environment map of the lumen or a distal end position of the endoscope; a reference information acquisition process of acquiring reference information about a shape and / or an absolute size of the lumen; and a correction process of correcting, using the reference information, one or more of the spatial information, the three-dimensional environment map, and the distal end position of the endoscope.

Various embodiments comprise endoscopes (e.g., arthroscopes) for viewing inside a cavity of a body. The endoscopes may include a tip, at least one solid-state emitter such as light emitting diode (LED), located at the distal end of the endoscope, an elongated member. The elongated member may include a plurality of lenses for transmitting light received from the tip member and an elongated conducting member for providing electric power to the solid-state emitter. The elongated conducting member may include conducting lines embedded in a flexible elongated insulating membrane. The tip member and the elongated member may be configured to dissipate heat generated by the solid-state emitter.

Provided is an anti-vibration device which includes a shake correction unit, the anti-vibration device including a first vibration detector that is disposed in the shake correction unit, a second vibration detector that is disposed outside the shake correction unit, and a processor. The processor performs anti-vibration control based on a first output value output from the first vibration detector and a second output value output from the second vibration detector.

The present invention relates to an apparatus for imaging an electrical power system. An apparatus for a sensor for monitoring the health of an electrical power system is disclosed herein. The camera includes a camera housing having an imaging end with an end wall. A lens is positioned at or within the end wall, and an air loop passes through the end wall and is positioned to direct an air supply along or at the lens. The camera images the electrical power system to determine the health of the electrical power system.

A control system for controlling a telescope body includes an input module, a main control module, a drive module, and a storage module connected in pairs. The input modules send encoded information of the command corresponding to a preset operation to the main control module after the user performs a preset operation. Each input module includes a mechanical module comprising at least one button, at least one scroll wheel, and a first processor. The first processor is connected to the button, the scroll wheel, and the main control module. When the button and scroll wheel perform a preset mechanical operation, the first processor matches the command corresponding to that operation and transmits the encoded information of the command to the main control module. Compared to existing technologies, the control system of this invention allows for command input via both buttons and scroll wheels, improving control efficiency.

Provided is an illumination system and reflector device. The illumination system includes an illumination reflector that reflects light into a field-of-view (FOV) of a camera system. The illumination reflector directs source illumination, that would otherwise be lost, into the FOV of the camera system. The illumination reflector may include two stages that are asymmetrical.