38results about How to "Adjustable curvature" patented technology

A fundus optical image device includes a light source, a first optical element set and a second optical element set. The light emitted from the light source reaches the fundus through the first optical element set. The second optical element set has at least one curvature-adjustable lens. The light emitted from the light source is reflected by the fundus and then passes through the curvature-adjustable lens to present an image of the fundus.

The invention particularly discloses an even construction device and an operation method for a three-dimensional random fracture in geotechnical engineering. The even construction device comprises a frame, wherein cutter rotating shafts are arranged at the front, rear, left and right sides of the frame; a circle of fracture trend scales are respectively arranged in the radial direction of each cutter rotating shaft and on the peripheral frame; a fracture cutter which passes through each cutter rotating shaft and achieves the internal part of the frame is arranged in the axial direction of each cutter rotating shaft; a cutter scale value is set on each fracture cutter. Scales are formed at the peripheries of the cutter rotating shafts in the device, so that the azimuth angle of the fracture trend can be accurately recorded. The scales are labeled on a table rotating shaft, so that the trend and the inclination size of the fracture can be accurately recorded, so as to prepare for subsequent calculation and other tests. The cutters pass through the rotating shafts, and can be inserted into a test specimen, and the scales are labeled on the cutters, so that the cutters can be easily replaced, the widths are controllable, and the fracture depth can be accurately determined.

The invention belongs to the technical field of medical apparatus and instruments, and relates to dissecting forceps with a suction device used for a minimally invasive surgery. The dissecting forceps are characterized in that: a joint of an external power supply, a tube connector connected with a suction unit and a contact switch of the suction unit are arranged on a connecting part of a handle and a forcep rod; the suction unit is electrically connected with the contact switch and is controlled by the contact switch; each forcep head is in a circular blunt shape; a suction hole is formed at the open-close position of each forcep head; a groove is formed on the inside surface of each forcep head; and zigzag bulges are formed on the edge of each forcep head. The dissecting forceps have the advantages that: the forcep heads are in the blunt circular shape, have little damage to tissues and safety during dissection, and can clamp the tissue. The design of the forcep heads with the suction device has a suction function; due to multipurpose and multifunctional design, apparatus does not need to be replaced frequently in the minimally invasive surgery, which shortens surgical time; and dissecting forceps are more superior during massive haemorrhage, which can suck and clamp while stopping bleeding. The safety of the surgery is increased, and the surgical risk of patients is reduced. The device can regulate the bending of the forcep rods in the application of single-foramen peritoneoscope, which is favorable for surgical operation.

A display device includes a base (1) and a curvature-adjustable display screen (3) mounted on the base (1). The base (1) includes two supporting legs (11) and a connecting part (15) disposed therebetween. Each of the supporting legs (11) includes a placing part (111) and a mounting part (113) upwardly extending therefrom. The mounting parts (113) are respectively connected to two sides of the display screen (3). The connecting part (15) is disposed between the two placing parts (111) and capable of allowing the two placing parts (111) rotatable relative to each other along with a change of curvature of the display screen (3) and thereby resulting in the base (1) variable with the change of curvature of the display screen (3). Therefore, the curvature of the display screen (3) can be adjusted according to user's viewing needs and the convenience of product use is increased.

A pick-up system is provided that can be suitably used irrespective of the type of the guitar by means of an arrangement of a plurality of pick-up coils that can appropriately conform to the curvature of the strings that are arranged in a stringed instrument. In accordance with the pick-up system of the present invention, it is possible to adjust the curvature of the roof surfaces of the pick-up coils in conformance with the bending of a pick-up board on which the pick-up coils have been mounted. Therefore, a distance that is always an appropriate distance can be maintained between each of the pick-up coils that are arranged on the pick-up board and each of the strings by means of the suitable adjustment of the curvature of the pick-up board. Accordingly, there is the advantageous result that the vibrations of each of the strings can be appropriately detected irrespective of the type of guitar.

A pick-up system is provided that can be suitably used irrespective of the type of the guitar by means of an arrangement of a plurality of pick-up coils that can appropriately conform to the curvature of the strings that are arranged in a stringed instrument. In accordance with the pick-up system of the present invention, it is possible to adjust the curvature of the roof surfaces of the pick-up coils in conformance with the bending of a pick-up board on which the pick-up coils have been mounted. Therefore, a distance that is always an appropriate distance can be maintained between each of the pick-up coils that are arranged on the pick-up board and each of the strings by means of the suitable adjustment of the curvature of the pick-up board. Accordingly, there is the advantageous result that the vibrations of each of the strings can be appropriately detected irrespective of the type of guitar.

The invention discloses an automatic temperature-control detector of an integrated type quantitative-sampling and reagent-filling device. The automatic temperature-control detector comprises a detector shell, a supporting frame and a reagent detecting mechanism, wherein the supporting frame is arranged in the detector shell and is used for holding the integrated type quantitative-sampling and reagent-filling device; a rack is provided with a temperature-control device; the temperature-control device comprises a radiating block, a radiating fan, a heating piece and a temperature sensor; the radiating fan, the heating piece and the temperature sensor are arranged on the radiating block; the radiating fan is arranged at one side of the radiating block; the heating piece is in contact with the radiating block; the temperature sensor is arranged on the radiating block or in the detector shell; the radiating block is also provided with an air supplying pipe which is connected onto the radiating block in a sheathed manner; a radiating channel is also formed in the radiating block in a penetrating manner; and the direction of the radiating channel is consistent to the wind direction of the radiating fan. The automatic temperature-control detector disclosed by the invention has the advantages that the use is convenient, the safe and energy-saving effects are achieved, the occupied space is small, the heat efficiency is high, the heating is uniform, and temperature control can be carried out on the internal environment of the detector of the integrated type quantitative-sampling and reagent-filling device while detection.

The present invention relates to a curvature-adjustable curved display device including: a base, a curved display device and an adjusting assembly. The curved display device is disposed on the base. The adjusting assembly is disposed between the curved display device and the base to connect the curved display device with the base. The adjusting assembly is slidable with respect to the base to thereby adjust the curvature of the curved display device. Accordingly, by disposing the adjusting assembly between the curved display device and the base, the curvature of the curved display device can be adjusted in a preset range of curvature by sliding the adjusting assembly with respect to the base.

Provided herein a display apparatus including a display panel including a first surface for displaying information and a second surface disposed opposite to the first surface, and where a curvature is formed as a physical force is applied; and a curvature changing unit bonded to at least a portion of the second surface, wherein the curvature changing unit includes a first actuator unit configured to curve the display panel when a voltage is applied and a fixing unit configured to fixate the first actuator unit.

A display device includes a housing. A plurality of display screens are provided in the housing, and each display screen includes a transparent display panel. The housing is provided with a viewing portion for viewing an image displayed on the transparent display panel, the plurality of display screens are successively arranged in a direction leaving away from the viewing portion, a plurality of the transparent display panels are configured for respectively displaying images at different depths of field in a same scene, and the image displayed on the transparent display panel has a depth of field which is associated with a distance between the transparent display panel and the viewing portion.

The invention discloses a human body spine ultrasonic imaging scanning testing platform with a respiratory movement simulation function. The platform comprises two parts, namely an adjustable spine framework and a respiratory movement simulation mechanism. According to the platform, simulation of different section curves of a human body spine is realized by the adjustable spine framework; and simulation of human respiratory movement is realized through a four-bar mechanism driven by a motor, so that on one hand, abundant human body spine scanning materials are provided for robot-assisted medical ultrasonic imaging scanning, and on the other hand, fresh and alive simulation of the ultrasonic scanning process is realized through dynamic fluctuation change of the model. The platform can serveas a test platform for robot-assisted ultrasonic imaging scanning, and provides effective verification for the reliability, the safety and the ultrasonic imaging scanning effect of the machine-type ultrasonic scanning.

A spinal support, in particular a cervical or lumbar support, with adjustable curvature, has a hard shell with a convex curvature in a longitudinal direction generally conforming to a concavely curved region of a human spine. A stiff resilient conformal tongue on an inner surface of the hard outer shell and one end hinged to the hard shell and an opposite end free to move in a longitudinal guide permitting forcible deformation of the tongue to create an arch with varying degrees of curvature. A retaining mechanism permits locking of the opposite end so as to retain the tongue in a deformed arch configuration with a selected degree of curvature.

The invention discloses a controllable bent catheter. The controllable bent catheter comprises a catheter body, a handle adjusting mechanism and a first traction wire. The catheter body is provided with a near end and a far end; the far end has flexibility; the handle adjusting mechanism comprises a screw rod, a first moving part and an adjusting knob; the near end of the catheter body is rotatably sleeved with the screw rod; the screw rod is in threaded connection with the first moving part through threads; the adjusting knob is connected with the screw rod; and one end of the first tractionwire is connected to the first moving part, and the other end of the first traction wire is connected to the far end. The adjusting knob is rotated and drives the screw rod to rotate, the screw rod rotates to drive the first moving part to move, and the first moving part drags the first traction wire to adjust the curvature of the far end of the catheter body.

Manual shaver, including a handle and a blade component installed in the head section of the handle, wherein the blade component includes a blade rack and a blade installed in the blade rack, the blade has a cutting chin for contacting with surface of human body skin for executing shaving action, the cutting chin is in curve shape. Compared with prior art, the manual shaver provided by the invention improves shaving efficiency and use ratio of every part of cutting chin, and makes the user feel comfortable in the use process.

A composite back cover with adjustable curvature used in a liquid crystal display with adjustable curvature is provided. The composite back cover includes a fixing plate; a back cover having a central portion secured to the fixing plate; and at least two extensible control devices disposed between the back cover and the fixing plate and respectively arranged at two sides of the central portion. The extensible control devices are stretched or shortened to adjust a distance between the back cover and the fixing plate so as to adjust curvature of the back cover. A backlight module is also provided. The distance between the back cover and the fixing plate is adjusted by stretching or shortening the extensible control devices so as to adjust the curvature of the liquid crystal display.

The invention provides a curvature obtaining method, curvature testing equipment and a curvature adjusting device, the curvature adjusting device comprises a bottom plate, a carrying table, a liftingmechanism, a first pressing plate and a second pressing plate, the carrying table and the lifting mechanism are both fixedly connected with the bottom plate, and the first pressing plate and the second pressing plate are both fixedly connected with the lifting mechanism. The carrying table is located between the first pressing plate and the second pressing plate, the flexible thin film is clampedbetween the carrying table and the first pressing plate and the second pressing plate, and the lifting mechanism drives the first pressing plate and the second pressing plate to move towards the bottom plate and press the two ends of the flexible thin film downwards so as to adjust the bending degree of the flexible thin film. According to the curvature adjusting device, the first pressing plate and the second pressing plate are driven by the lifting mechanism to move towards the bottom plate and press the two ends of the flexible thin film downwards, and the curvature of the flexible thin film is adjusted by adjusting the pressing degree of the two ends of the flexible thin film; and the microstructure and performance of the flexible film under different bending radiuses are obtained through a detector, so that in-situ test and adjustable curvature are realized.

A nozzle (10) for contact-free treatment of a running web, having a main frame (11) forming an outer part of the nozzle, and two side chambers (14, 15) on each of the longitudinal sides of the nozzle (10). The side chambers having openings (17A, 17B, 16A, 16B) for the air to blow toward a fiber web. A U-shaped air channel (20), through which the air is lead to the side chambers (14, 15), located between the side chambers (14, 15), having at least one opening (19, 18) on each side wall for leading the air into the side chambers (14, 15). A U-shaped inner part (13) which is movable by a mechanism (12) comprising a screw (21) and bushings (22) to at least partially open and close the opening (18, 19).

An apparatus for designing a rifling rate to increase a lifespan of a gun barrel includes: a node selection module selecting and distributing the predetermined number of node points according to preset constraints between preselected starting and end rifling angles; a sorting module sorting distributed node points; and a profile generation module calculating a rifling rate curve using sorted node points, and generating a rifling rate profile using the rifling rate curve.

The invention discloses an automatic temperature-control detector of an integrated type quantitative-sampling and reagent-filling device. The automatic temperature-control detector comprises a detector shell, a supporting frame and a reagent detecting mechanism, wherein the supporting frame is arranged in the detector shell and is used for holding the integrated type quantitative-sampling and reagent-filling device; a rack is provided with a temperature-control device; the temperature-control device comprises a radiating block, a radiating fan, a heating piece and a temperature sensor; the radiating fan, the heating piece and the temperature sensor are arranged on the radiating block; the radiating fan is arranged at one side of the radiating block; the heating piece is in contact with the radiating block; the temperature sensor is arranged on the radiating block or in the detector shell; the radiating block is also provided with an air supplying pipe which is connected onto the radiating block in a sheathed manner; a radiating channel is also formed in the radiating block in a penetrating manner; and the direction of the radiating channel is consistent to the wind direction of the radiating fan. The automatic temperature-control detector disclosed by the invention has the advantages that the use is convenient, the safe and energy-saving effects are achieved, the occupied space is small, the heat efficiency is high, the heating is uniform, and temperature control can be carried out on the internal environment of the detector of the integrated type quantitative-sampling and reagent-filling device while detection.

A metal nailer with adjustable curvature preferably includes an upper member and a lower member. The upper and lower members start as strips of material. A plurality of first openings are formed adjacent a first edge of each strip. A plurality of second openings are formed adjacent a second edge of each strip. A plurality of fastener openings are formed in the lower strip and a plurality of fastener clearance openings in the upper strip. An upward bent fold is formed in a center of each of the plurality of first and second openings. First and second edges of the strips are bent to form a U-shape. The upper member is inserted into the lower member. The upper and lower members are attached to each other with a plurality of fasteners. The metal nailer with adjustable curvature may be bent in horizontal and / or vertical planes.

The invention provides a light source modulating device, a light source device and a backlight module. The light source modulating device is transparent-board-shaped and comprises a central block and at least one flank block. The central block is provided with a central light inlet surface and a central light outlet surface which oppose each other. At least one flank block is connected with the central light inlet surface and at least one side at ends of the central light outlet surface; wherein the flank block is panel-shaped and is provided with a wide end and a narrow end. The end surface of the wide end is formed in a manner that a flank light outlet surface extends out of the central light outlet surface. The narrow end projects from the central light outlet surface and is provided with a flank light inlet surface which is connected with the end of the central light inlet surface at inside part that faces the central light inlet surface; wherein the flank block is provided with a reflecting surface which extends from the narrow end to the wide end at the side that opposes the central block. The distance between the reflecting surface and the central block enlarges when the distance between the reflecting surface and the wide end enlarges. The invention further provides a light source device with the light source modulating device, and a backlight module.

The invention relates to a folding bracket for medical radioscopy inspection and aims to solve the problem that a conventional folding bracket for medical radioscopy inspection has no function of adjusting heights and rotation and lying angles. The folding bracket for medical radioscopy inspection comprises a seat plate, wherein the lower part of the seat plate is connected with a rotating disc through a hydraulic lifting column; the rotating disc is fixed on a bottom disc through a flat push bearing; the rotating disc is provided with a locking sliding block; the left side of the seat plate is connected with a back plate through a first rotating mechanism; and the right side of the seat plate is connected with a leg plate through a second rotating mechanism.

The invention discloses a staggered-distance extrusion forming device and method for a bending component, and relates to a extrusion forming device and method for the bending component. The device andthe method aim to solve a series of problems that in a traditional bending component manufacturing process, the number of required procedures is large, the flexibility of the component is poor, the production efficiency is low, and quality control is difficult to achieve. According to the method, a conventional integral punch for extruding is divided into two or more than two split structures; the split punches are arranged in a staggered manner according to a certain relative displacement amount and fixed; then integral loading forming of blanks is carried out; and the curvature change of the bending component subjected to extrusion forming can be regulated. The single shape feature that conventional extrusion products are mostly long straight lines is broken through, the variety range of the products capable of being formed is enriched, and the application field also tends to be diversified. According to the method, the double effects that extruding and bend and forming are integrated are achieved in a single-pass extrusion technology process, additional procedures are not needed, the required bending component can be machined at one time, the machining process is shortened, theproduction efficiency is improved, and the manufacturing cost is reduced. The staggered-distance extrusion forming device and method for the bending component is used for extrusion and machining forming of the bending component.