45 results about "Teleconverter" patented technology

The invention discloses a device for detecting a camera module along a horizontal direction, and a camera module detecting method. The detecting device is provided with a near-focus light source, a teleconverter, a dirt defective pixel light source and a far-focus light source which are arranged along the horizontal direction and have a vertical extending direction. When the camera module is detected, the camera module moves along the horizontal direction, so that the posture of the camera module is more consistent with the use posture of the camera module while a user uses a mobile electronic equipment having the camera module to shoot an image. Compared with the mode of detecting the camera module along a vertical direction in the prior art, the detecting result of detecting the camera module with the detecting device better matches an actual condition.

The invention discloses a method and system for detecting the resolving power of a camera shooting module. When the method for detecting the resolving power of the camera shooting module is used for conducting the resolving power test on the camera shooting module, firstly, the camera shooting module is arranged in a temperature and humidity control box; then, a teleconverter is arranged, and the distance between the teleconverter, the camera shooting module and the temperature and humidity control box is adjusted so that test requirements can be met; finally, the camera shooting module is controlled to start working, environmental parameters in the camera shooting module are controlled through the temperature and humidity control box, target sheet images shot by the camera shooting module under different environmental parameters are acquired through a processing chip of the camera shooting module, and the target sheet images are analyzed to acquire resolving power parameters of the camera shooting module under different environmental parameters. The method for detecting the resolving power of the camera shooting module solves the problems that in the prior art, the detection result of the resolving power test on the camera shooting module is singular, and the resolving power performance of the camera shooting module can not be comprehensibly detected.

The invention relates to a teleconverter for an wide-angle high-magnification zoom lens, wherein a front group A with a negative focal power and a rear group B with a positive focal power are sequentially arranged in the optical system of the teleconverter along the left-to-right incident direction of a light ray; the front lens group A is sequentially provided with a negative meniscus lens A-1 and a biconcave lens A-2, and the lens rear group B is a glued group formed by airtightly connecting a negative meniscus lens B-1 with a biconvex lens B-2; the mechanical structure of the teleconverter comprises a lens cone, a front group installation seat and a rear group installation seat are opened in the lens cone, the front lens group A is placed on the front group installation seat and tightly pressed by a front press ring, the rear lens group B is placed on the rear group installation seat and tightly pressed by a front press ring, and an AB space ring is arranged between the biconcave lens A-2 and the negative meniscus lens B-1. The teleconverter has the advantages of being high in zoom ratio, large in wide angle, high in adaptivity and the like, as well as is beneficial to expansion for the view field angle of the wide-angle zoom lens, and is good in imaging effect in the high-magnification zoom process of the zoom lens.

The invention relates to a teleconverter provided with a flange wide-angle high-power lens. A front lens group A and a back lens group B are arranged in sequence in an optical system along a light ray incidence direction from left to right, the front lens group A is provided with a negative crescent lens A-1 and a biconcave lens A-2 in sequence, and the back lens group B is a glued group formed by hermetically connecting a negative crescent lens B-1 and a biconvex lens B-2. A mechanical structure comprises a lens barrel, a front group mounting seat and a back group mounting seat are arranged in the lens barrel, a flange extends out of the lens barrel at a transition position between the front group mounting seat and the back group mounting seat, the front lens group A is placed on the front group mounting seat and is compressed by using a front pressure ring, the back lens group A is placed on the back group mounting seat and is compressed by using a back pressure ring, and an AB isolating ring is arranged between the biconcave lens A-2 and the negative crescent lens B-1. By adopting the teleconverter, the field angle of a zoom lens is enlarged, and a good imaging effect is achieved in the high-power zooming process of the zoom lens.

The invention discloses a dual-camera included angle testing method and device and a storage device. The method comprises the steps that the center of a first camera, the center of a teleconverter andthe center of a testing image are adjusted to be on the same straight line; after the center of a to-be-shot testing image is focused and the to-be-shot testing image is shot, the coordinate value ofa first imaging point of the center of the shot testing image is determined; the center of a second camera, the center of the teleconverter and the center of the testing image are adjusted to be on the same straight line; after the center of a to-be-shot testing image is focused and the to-be-shot testing image is shot, the coordinate value of a second imaging point of the center of the shot testing image is determined; according to the coordinate value of the first imaging point and the coordinate value of the second imaging point, it is judged whether the included angle between the first camera and the second camera meets factory requirements or not. In this way, the included angle between the two cameras can be quickly tested, and it is determined whether the included angle meets the factory requirements or not, so that defective products are prevented from flowing into the market.

A teleconverter lens system is attachable to or detachable from an object side of a main lens system and facilitates performing telephotographing. A photographing apparatus includes the teleconverter lens system. The teleconverter lens system includes: a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; and a fourth lens having a positive refractive power, wherein the first, second, third, and fourth lenses are sequentially arranged from an object side to an image side of the teleconverter lens system. The first and second lenses are cemented together, and the second lens has a meniscus shape in which a convex surface is formed on the object side of the second lens.

The present invention provides a front teleconverter lens system having superb optical performance with less production of aberration in spite of its compactness. The front teleconverter lens system includes, in order from an object, a first lens group FL having positive refractive power, and a second lens group RL having negative refractive power, and forming an afocal optical system. A diffractive optical surface Gf is arranged in at least one of the first lens group FL and the second lens group RL. The following conditional expression 1.2<φF/φR<10 is satisfied, where φF denotes the effective diameter of the most object side lens surface L101 of the first lens group FL, and φR denotes the effective diameter of the most image side lens surface L105 of the second lens group RL.

A tele-converter lens and an electronic device are provided. The tele-converter lens mounted at an object side of a main photographing lens includes: a first lens having a positive refractive power; a second lens having a refractive power and having at least one aspherical surface; and at least one lens having a refractive power, wherein the first lens, the second lens, and the at least one lens are sequentially arranged from the object side toward the main photographing lens.

The invention provides test equipment of a wide-angle lens module and an application of the test equipment. A 1200*900mm uniform light source is selected by the equipment; the test equipment is suitable for a module test within a range of 94-165 degrees; distortion caused by a large field angle is compensated through an anti-distortive target; and for the module with a relatively large focusing distance, the measured distance is reduced through a teleconverter.

The invention discloses a smart television with a camera provided with the zoom function and a zoom method of the camera of the smart television. The smart television comprises a machine shell and a screen, the camera is installed above the machine shell, a teleconverter array disc is installed on the back side of the screen, a plurality of teleconverters are installed on the array disc, and the array disc is connected with a driving motor which is used for driving the array disc to move to switch the teleconverters opposite to the camera. According to the smart television, the mode of replacing the teleconverters is adopted to enable a lens to achieve the zoom function, the field range of the camera can be further adjusted according to the size of the screen, the manufacturing cost is low, and the operation is easy to ahcieve. When the smart television is used, the lens of the camera is flush with the teleconverters to achieve the zoom function of the lens, the teleconverter array disc with the teleconverters is arranged, the magnification times of the teleconverters on the teleconverter array disc are different, therefore, the driving motor drives the teleconverter array disc to rotate to enable the lens to be flush with the needed teleconverters according to requirements of the lens, and convenience is brought for the lens to conduct zooming for corresponding magnification times.

The invention discloses an IPC intelligent testing device which comprises an imaging light source plate, a distance adjusting part, a teleconverter and a clamping part. The distance adjusting part comprises a supporting frame and a lifting workbench, the clamping part comprises a mounting seat and a placing plate, the mounting seat is arranged on the lifting workbench, the placing plate is connected with the mounting seat and used for placing equipment to be tested, an annular sliding groove is formed in the mounting seat around the placing plate, and the annular sliding groove is used for clamping the equipment to be tested. A plurality of clamping arms are further arranged on the mounting base, each clamping arm comprises a matching part and a plurality of clamping joints, the matching parts are in sliding connection with the annular sliding grooves, one clamping joint is rotationally connected with the matching parts through adapters, the clamping joints are sequentially rotationally connected through the adapters, the imaging light source plate is connected with the supporting frame, and the supporting frame is connected with the imaging light source plate. The teleconverter is connected with the lifting workbench and arranged between a camera and an imaging light source plate of the equipment to be tested, and the lifting workbench is connected with the supporting frame in a sliding mode.

The invention discloses a performance test method for an infrared sensor, and the method comprises the steps: carrying out the resetting of a rotating disc in response to a reset instruction; wherein the infrared sensor is loaded at the position of a rotating shaft of the turntable and rotates along with the turntable, and a teleconverter which does not rotate along with the turntable is arranged in front of the position of the infrared sensor; controlling the simulated heat source device to move according to a preset operation rate; in the motion process of the simulated heat source device, the detection result of the infrared sensor and the moving coordinate of the simulated heat source device are obtained at the same time; each time the angle of the turntable is adjusted, a detection result of the infrared sensor and a moving coordinate of the simulated heat source device are obtained; and determining a horizontal detection angle and a horizontal detection distance of the infrared sensor in the horizontal direction based on the detection result and the moving coordinate. The invention further discloses a performance testing device, equipment and system for the infrared sensor. By adopting the embodiment of the invention, the performance of the infrared sensor can be tested without building a large real scene test environment, and the cost is saved.

The invention discloses a pressure ring and a teleconverter with the same. The teleconverter comprises a mirror unit, an extension ring and a pressure ring, wherein an inner ring of the pressure ring is provided with guide sliding ways for mounting fixing rods of the mirror unit, a contact nick part is formed in the upper edge of the pressure ring, at least two grooves are formed in the upper surface of the pressure ring, and screw holes are formed in the bottoms of the grooves. Screws penetrate through the grooves in the pressure ring and elastic bodies in the grooves to fix the pressure ring on the extension ring. According to the pressure ring and the teleconverter with the same, the mirror unit is mounted in the extension ring through the guide sliding ways to achieve the function of the teleconverter, and can be removed to be used as the extension ring, so that functions of a teleconverter/micro lens are integrated, the cost is reduced, and convenience in carrying is achieved; the special structure of the pressure ring is matched with the elastic bodies, so that the mirror unit is simply and rapidly assembled and disassembled.

The invention provides an optical path switching method, and the method is applied to a monitoring module comprising a camera, a zoom lens, a switching element and a reflecting element. The method comprises the following steps: determining a target multiplying power; when the target multiplying power is smaller than or equal to the maximum multiplying power of the camera, setting the multiplying power of the camera as the target multiplying power, determining that the reflecting element is located at the first position or in the first working state, and enabling the camera to independently collect images; when the target multiplying power is larger than the maximum multiplying power of the camera, setting the multiplying power of the camera to be the first multiplying power, determining that the reflecting element is located at the second position or in the second working state, and enabling the camera and the teleconverter to be combined to collect images, wherein the product of the first multiplying power and the multiplying power of the teleconverter is the target multiplying power. According to the method, the monitoring distance of the monitoring module can be remarkably increased under the conditions that the size of the monitoring module is reduced and the cost is saved.

A teleconverter lens consists essentially of, in order from the object side: a front group having a positive refractive power; and a rear group having a negative refractive power, wherein the front group and the rear group are separated from each other by the widest air space, the front group consists essentially of one positive lens having a convex surface toward the object side, and the rear group includes, in order from the object side, at least one negative lens having a concave surface toward the image side, and at least one positive lens having a convex surface toward the object side.

A CCM test platform provided by the present invention comprises a working platform arranged on a machine bench; a circular rotating bench arranged on the working platform; at least two test toolings arranged on the circular rotating bench and rotating about a rotating shaft of the circular rotating bench, wherein a first driving belt, a first sliding rail connected with the first driving belt and a second sliding rail are arranged on the test toolings, a teleconverter is arranged on the first sliding rail, a small light plate is arranged on the second sliding rail, and the teleconverter and the small light plate displace horizontally and reset automatically via the first driving belt, the first sliding rail and the second sliding rail. According to the present invention, the test personnel can avoid waiting, the utilization rate of the personnel and the machines is improved, and the unit per hour (UPH) value of output is increased.

The invention discloses complete-machine TV camera testing equipment which comprises a darkroom, an assembly line penetrating through the darkroom, a support arranged in the darkroom, a far-focus light source assembly arranged on the support, a teleconverter assembly arranged on the side of the far-focus light source assembly, a white board light source assembly arranged on the side of the teleconverter assembly and a tool plate arranged on the assembly line. The far-focus light source assembly, the teleconverter assembly and the white board light source assembly are suspended above the assembly line; the tool plate moves along with the assembly line, and the darkroom is provided with an inlet and outlet corresponding to the assembly line. According to the invention, a television is sent into the darkroom through the assembly line, and then the camera on the television is subjected to functional test through the far-focus light source assembly, the teleconverter assembly and the white board light source assembly, so that the camera arranged on the television is systematically tested, and the test requirement of the TV camera of the whole machine is met.

The invention discloses a parallel-type double-station 12-axis coupling platform which comprises a support, a lifting platform, collimator assemblies, a teleconverter assembly, UV lamp assemblies, a six-axis processing device and other assemblies, wherein a light source glass fixing piece is arranged in the lifting platform; the light source glass fixing piece is equipped with charts; the collimator assemblies, the teleconverter assembly and the UV lamp assemblies are mounted in the lifting platform; and the lifting platform and the six-axis processing device are arranged on the support. AA focusing and UV curing processing of ultra wide angle lenses and ordinary lenses can be conveniently performed through the cooperation of all the parts. Process switching is performed through an internal software switching mode and change of the charts. On-line cleaning is realized through the cooperation with the other assemblies. In addition, the parallel-type double-station 12-axis coupling platform is compatible with plane Chart and Collimator modes. Therefore, the production efficiency is improved, and at the same time, an accurate and standard focusing environment is provided.

The invention discloses an FT function testing machine which comprises a function testing machine body, and the front end of the function testing machine body is formed by combining a function testing box and a scene testing box. A sliding plate slidably connected with the function tester is arranged in the middle of the front end of the function tester, and a module test carrier vertically slidably connected with the sliding plate is arranged in the middle of the sliding plate; test box assemblies in sliding connection with the function tester are vertically arranged at the front end of the function tester at intervals; a teleconverter mechanism slidably connected with the scene test box is vertically arranged on the left side of the middle of the front end of the scene test box, far-focus scene plates are fixed to the middle of the scene test box and arranged at the rear end of the teleconverter mechanism at intervals, and a black-and-white scene plate slidably connected with the scene test box is vertically arranged on the right side of the middle of the scene test box. And the near-focus light plates are arranged at the rear end of the black-and-white scene plate at intervals.