48results about How to "Lightweight and compact structure design" patented technology

The invention relates to an optical imaging lens and an electronic device using the optical imaging lens. The optical imaging lens comprises six lenses. An object side face of the first lens is provided with a convex surface portion in the vicinity of circumference, and an image side face thereof is provided with a concave surface portion in the vicinity of circumference; an object side face of the second lens is provided with a convex surface portion in the vicinity of the circumference; an object side face of the third lens is provided with a convex surface portion in the vicinity of the circumference, and an image side face of the third lens is provided with a convex surface portion in the vicinity of the circumference; an object side face of the fourth lens is provided with a convex surface portion in the vicinity of an optical axis; an object side face of the fifth lens is provided with a concave surface portion in the vicinity of circumference; and an image side face of the sixth lens is provided with a convex surface portion in the vicinity of the circumference. The optical imaging lens meets the condition of Gaa / T5<=5.5. The electronic device comprises a housing and an image module. The image module comprises the optical imaging lens above, a lens cone, a module back holder unit and an image sensor. According to the optical imaging lens, the system length can be reduced.

The invention discloses an optical imaging lens and an electronic device utilizing the same. The optical imaging lens sequentially comprises an aperture, a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side to an image side. The first lens is provided with the refractive rate. An image side of the second lens is provided with a concave surface portion in the vicinity of the circumference, an object side of the third lens is provided with a concave surface portion in the vicinity of the circumference, an object side of the fourth lens is provided with a concave surface portion in the vicinity of the optical axis, the fifth lens is provided with refractive rate, and an object side of the sixth lens is provided with a convex surface portion in the vicinity of the optical axis. The optical imaging lens meets the condition of ALT / T5<=6.90. The electronic device comprises a casing and an imaging module mounted in the casing. The imaging module comprises the optical imaging lens, a lens cone, a module holder unit and an image sensor. By the aid of matching of the lenses, the optical imaging lens has the advantages that imaging quality and microminiaturization can be improved.

The invention relates to an optical imaging lens and an electronic device using the optical imaging lens. The optical imaging lens comprises six lenses. The image side surface of the first lens is provided with a convex surface portion in the vicinity of the circumference; the second lens has a negative refractive rate, and the image side surface of the second lens is provided with a concave surface portion in the vicinity of an optical axis; the object side face of the third lens is provided with a concave surface portion in the vicinity of the optical axis, and the image side surface of the third lens is provided with a convex surface portion in the vicinity of the optical axis; the object side face of the fourth lens is provided with a concave surface portion in the vicinity of the optical axis; the object side face of the fifth lens is provided with a concave surface portion in the vicinity of the circumference, and the image side surface thereof is provided with a convex surface portion in the vicinity of the optical axis; and the image side face of the sixth lens is provided with a concave surface portion in the vicinity of the optical axis. The optical imaging lens meets the condition of Gaa / G23>=3.1. The electronic device comprises a housing and an image module. The image module comprises the optical imaging lens above, a lens cone, a module back holder unit and an image sensor. The system length of the optical imaging lens can be reduced.

The invention relates to an optical imaging lens and an electronic device using the optical imaging lens. The optical imaging lens comprises six lenses. The object side face of the first lens is provided with a convex surface portion in the vicinity of the circumference; the object side face of the second lens is provided with a convex surface portion in the vicinity of an optical axis; the object side face of the third lens is provided with a convex surface portion in the vicinity of the optical axis; the image side face of the third lens is provided with a convex surface portion in the vicinity of the optical axis; the image side face of the fourth lens is provided with a convex surface portion in the vicinity of the optical axis; the fifth lens is made of plastics; and the image side face of the sixth lens is provided with a convex surface portion in the vicinity of the circumference. The optical imaging lens meets the condition of T4 / G34>=3.4. The electronic device comprises a housing and an image module arranged in the housing. The image module comprises the optical imaging lens above, a lens cone, a module back holder unit and an image sensor. The system length of the optical imaging lens can be reduced.

The invention relates to an optical imaging lens and an electronic device using the optical imaging lens. The optical imaging lens of the present invention comprises five lenses sequentially from the object side to the image side, the image side of the first lens has a convex portion located in the vicinity of the circumference, the object side of the second lens has a convex portion located in the vicinity of the circumference and The image side has a concave portion located in the vicinity of the optical axis, the image side of the third lens has a concave portion located in the vicinity of the circumference, the object side of the fourth lens has a concave portion located in the vicinity of the optical axis, and the fifth lens has a concave portion located in the vicinity of the optical axis. The image side of the lens has a concave portion located in the vicinity of the optical axis, and satisfies ALT / G34≦7.7. The camera device of the present invention includes a casing, an image module including the above-mentioned optical imaging lens, a lens barrel, a module rear seat unit, and an image sensor. Therefore, the present invention can shorten the lens length and maintain good imaging quality.

The invention relates to an optical imaging lens and an electronic device using the lens. The optical imaging lens includes a first lens, a diaphragm, a second lens, a third lens, a fourth lens and a fifth lens in sequence from the object side to the image side, and the aforementioned lenses all include an object side and One like profile. The object side of the first lens has a convex portion located in the vicinity of the circumference; the image side of the third lens has a convex portion located in the vicinity of the optical axis; the image side of the fourth lens has a convex portion located in the vicinity of the optical axis. The concave portion of the nearby area; and the material of the fifth lens is plastic, the electronic device includes a casing and an image module installed in the casing, the image module includes the above-mentioned optical imaging lens, a lens barrel, A modular rear seat unit and an image sensor. The invention is beneficial to correct the aberration to ensure the imaging quality of the optical imaging lens, and can effectively shorten the length of the optical imaging lens.

A clamping device for lateral deviation correction of ballastless track structure. The invention belongs to the technical field of disease treatment of railway ballastless track structures, and in particular relates to a clamping device for lateral deviation correction of ballastless track structures. The clamping device includes an anti-falling frame and a clamping push rod, wherein the clamping push rod is composed of four parts: a length-adjusting sleeve, a length-adjusting screw, a connecting sleeve and a leveling end plate. The sleeve-screw structure is used to realize the length adjustment of the clamping device, so as to adapt to the change of the distance between the reaction force structure (limiting structure) and the track structure and the clamping force. The spherical hinge structure is used to achieve a certain clamping angle adjustment, which can adapt to the working condition that the structural stress surfaces on both sides of the clamping device are not parallel. The use of anti-detachment frame solves the problems of cumbersome disassembly and assembly and easy falling off of the clamping ejector rod. The design of multi-component combination reduces the workload of on-site operation. The light and compact structure reduces the weight and improves the operation convenience under the premise of ensuring the function.

The invention relates to the field of medical rehabilitation machinery, in particular to a pneumatic upper limb rehabilitation robot. Each upper limb training device is formed by connecting a first joint assembly, a second joint assembly, a third joint assembly, a fourth joint assembly and a fifth joint assembly in series, wherein the first joint assemblies, the second joint assemblies and the third joint assemblies are used for achieving movement of the shoulder joints of a user, the fourth joint assemblies are used for achieving movement of the elbow joints of the user, and the fifth joint assemblies are used for achieving movement of the wrist joints of the user. The bilateral ten-degree of freedom pneumatic upper limb rehabilitation robot can help patients to conduct rehabilitation training on the shoulder joints, elbow joints and wrist joints on both sides and serve as or replace a professional physician.

The invention relates to an optical imaging lens and an electronic device using the lens. The lens sequentially includes a first lens, a second lens, a third lens, a fourth lens lens and a fifth lens lens from the object side to the image side. The image side of the first lens has a convex portion near the circumference. The object side of the second lens has a concave portion located near the circumference, and the image side has a convex portion located near the circumference. The object side surface of the third lens has a concave portion located near the circumference. The fourth lens is a lens with positive refractive power, and the object side of the fourth lens has a concave portion located near the optical axis. The material of the fifth lens is plastic. The electronic device includes a casing and an image module installed in the casing. The image module includes the above-mentioned optical imaging lens, a lens barrel, a module rear seat unit and an image sensor. The present invention still has good optical properties at shortened lengths.

The invention relates to an optical imaging lens and an electronic device using the optical imaging lens. From an object side to an image side, the optical imaging lens consists sequentially of an aperture, a first lens, a second lens, a third lens, a fourth lens and a fifth lens. The first lens is provided with a positive reflective index and the image side is provided with a convex surface portion. The second lens is provided with a negative reflective index, the object side is provided with a convex surface portion, and the image side is provided with a concave surface portion. The object side of the third lens is provided with a concave surface portion and the image side is provided with a convex surface portion. The object side of the fourth lens is provided with a concave surface portion and the image side is provided with a convex surface portion. The object side of the fifth lens is provided with a convex surface portion and the image side is provided with a concave surface portion and a convex surface portion. The electronic device includes a housing and an image module disposed in the housing. The image module comprises the optical imaging lens, a lens barrel, a module backstand unit and an image sensor. According to the invention, with shortened length, the lens can still have good optical properties.