Abstract: A camera module. The camera module includes a lens barrel, and a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens having a negative refractive power provided in the lens barrel, and a spacer arranged between the sixth lens and the seventh lens on the optical axis of the camera module. An effective focal length f7 of the seventh lens, an inner diameter d6m of an image-side surface of the sixth spacer, an air interval T67 between the sixth lens and the seventh lens along the optical axis, and a maximum thickness CP6 of the sixth spacer satisfy: 1.0<|d6m/f7|+T67/CP6<8.5.

Abstract: The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a positive refractive power; a sixth lens with a negative refractive power; a seventh lens with a refractive power; an eighth lens with a positive refractive power; a ninth lens with a refractive power; and a tenth lens with a negative refractive power; wherein an effective focal length f of the optical imaging lens assembly and a maximum field of view FOV of the optical imaging lens assembly satisfy f×tan(½FOV)>6.0 mm.

Abstract: The disclosure provides an optical imaging lens assembly. The optical imaging lens assembly includes a lens barrel, wherein the lens barrel is internally provided with a first lens; a second lens; a third lens; a fourth lens, wherein the fourth lens has a positive refractive power; a fifth lens, wherein the fifth lens has the largest outer diameter in all of lenses of the optical imaging lens assembly; and a plurality of spacers, wherein the plurality of spacers at least include a fourth spacer, the fourth spacer is located on an image side of the fourth lens and abuts against an image-side surface of the fourth lens, and the fourth spacer is thicker than remaining spacers; wherein f and FOV and CP4 satisfy 0<f*tan(Semi-FOV)/CP4<10; R8 and R9 and CP4 satisfy 0<(R8+R9)/CP4<15. The disclosure solves the problem of a low yield of the optical imaging lens assembly.

Abstract: The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. Each of the first lens to seventh lens has refractive power. An object-side surface of the first lens is concave, and an image-side surface thereof is concave; an object-side surface of the second lens is convex, and an image-side surface thereof is convex; and an object-side surface of the third lens is concave, and an image-side surface thereof is convex. An effective focal length f4 of the fourth lens and a total effective focal length f of the optical imaging system satisfy ?2.0<f4/f<?1.5. Half of a maximal field-of-view Semi-FOV of the optical imaging system satisfies Semi-FOV?55°.

Abstract: The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis, a first lens having refractive power; a second lens having negative refractive power; a third lens having negative refractive power; a fourth lens having refractive power, a convex object-side surface and a concave image-side surface; and a fifth lens having refractive power. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging system and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging system satisfy: 1.0<TTL/ImgH<1.5.

Abstract: The present utility model relates to a bench press training machine with variable arms of force, including: a machine frame; a longitudinal supporting cushion plate, fixedly connected to the machine frame; and two swinging arms, articulated with the machine frame respectively, where the two swinging arms are arranged on the left and right sides of the supporting cushion plate respectively, the swinging arms extend forward and backward, with the front ends being articulated with the machine frame, and the swinging arms are provided with handles. The training machine further includes: two adjusting pull rods; and adjusting arms, articulated with the swinging arms, where weight plate shafts are fixedly connected to the adjusting arms, the front ends of the adjusting pull rods are articulated with the machine frame, and the rear ends of the adjusting pull rods are articulated with the adjusting arms.

Abstract: The present disclosure provides a photo-taking prompting method and apparatus, an apparatus and a non-volatile computer storage medium. On the one hand, a user's image information is collected while the user finds view, then the user's face posture information is obtained from the image information, then face posture information of a preset photo-taking template is compared with the user's face posture information, and the user is prompted to adjust the face posture according to a comparison result. The technical solutions provided by embodiments of the present disclosure may implement prompting the user's face posture adjustment while the user finds view and thereby implement providing guidance for the user's face posture, and solve the problem in the prior art about failure to perform photo-taking guidance while the user finds view.

Abstract: An adjustable head-mounted structure comprises overlapping and staggered first and second head strips, one end of each respectively arranged in a groove shaped bracket, the first head strip connected with the bracket. A sliding cavity extending along the first head strip is provided on an end thereof. Limiting slots are provided at lateral intervals of the sliding cavity. An elastic piece is connected with the second head strip having connecting and bending portions in an end notch of the second head strip. The bending, portion is inserted into the sliding cavity and clamped into a limiting slot. A through hole extending along the bracket is provided on a sidewall close to the limiting slot. A button in the bracket has a pressing portion to be inserted into the through hole and connected to a baffle plate, with a fixed connection structure between the baffle plate and the second head strip.

Abstract: A microphone boom structure includes a first and second end boom segments, and intermediate boom segments sequentially disposed between the first end boom segment and the second end boom segment. An end of the first end boom segment is hinged with an end of the adjacent intermediate boom segment, an end of the second end boom segment is hinged with an end of the adjacent intermediate boom segment, and the ends of two adjacent intermediate boom segments are hinged. An adjusting structure is provided between the first end boom segment and the adjacent intermediate boom segment, between the second end boom segment and the adjacent intermediate boom segment, and between the two adjacent intermediate boom segments. The adjusting structure includes an axial hole formed in a boom segment, an adjusting bar inserted into the axial hole, and an elastic compression member disposed between the axial hole and the adjusting bar.

Abstract: A microphone boom structure includes a first and second end boom segments, and intermediate boom segments sequentially disposed between the first end boom segment and the second end boom segment. An end of the first end boom segment is hinged with an end of the adjacent intermediate boom segment, an end of the second end boom segment is hinged with an end of the adjacent intermediate boom segment, and the ends of two adjacent intermediate boom segments are hinged. An adjusting structure is provided between the first end boom segment and the adjacent intermediate boom segment, between the second end boom segment and the adjacent intermediate boom segment, and between the two adjacent intermediate boom segments. The adjusting structure includes an axial hole formed in a boom segment, an adjusting bar inserted into the axial hole, and an elastic compression member disposed between the axial hole and the adjusting bar.

Abstract: An adjustable head-mounted structure comprises overlapping and staggered first and second head strips, one end of each respectively arranged in a groove-shaped bracket, the first head strip connected with the bracket. A sliding cavity extending along the first head strip is provided on an end thereof. Limiting slots are provided at lateral intervals of the sliding cavity. An elastic piece is connected with the second head strip having connecting and bending portions in an end notch of the second head strip. The bending portion is inserted into the sliding cavity and clamped into a limiting slot. A through hole extending along the bracket is provided on a sidewall close to the limiting slot. A button in the bracket has a pressing portion to be inserted into the through hole and connected to a baffle plate, with a fixed connection structure between the baffle plate and the second head strip.

Abstract: An optoelectronic device which can read magnetically stored information, and convert it into optical light signals using organic or “plastic” semiconductors is described. Such a device may use OLEDs, and may be termed an “organic magneto-optic transducer” (OMOT). An OMOT device can read magnetically stored information, and convert it into optical light signals. The OMOT may provide benefits such as non-volatile storage, flexible films, reduced cost, and operation at room temperature.

Abstract: The present disclosure provides a photo-taking prompting method and apparatus, an apparatus and a non-volatile computer storage medium. On the one hand, a user's image information is collected while the user finds view, then the user's face posture information is obtained from the image information, then face posture information of a preset photo-taking template is compared with the user's face posture information, and the user is prompted to adjust the face posture according to a comparison result. The technical solutions provided by embodiments of the present disclosure may implement prompting the user's face posture adjustment while the user finds view and thereby implement providing guidance for the user's face posture, and solve the problem in the prior art about failure to perform photo-taking guidance while the user finds view.

Abstract: A method provides a magnetic write apparatus on a substrate. A mask is provided on a substrate. The mask has a trench therein. The trench has a top, a bottom and a plurality of sidewalls extending between the top and the bottom of the trench. The top of the trench is wider than the bottom. A protective layer is provided in the trench. The protective layer extends from the top of the trench along a first portion of the plurality of sidewalls such that the bottom of the trench and a second portion of the plurality of sidewalls are free of the protective layer. The structure is provided in a remaining portion of the trench.

Abstract: An optoelectronic device which can read magnetically stored information, and convert it into optical light signals using organic or “plastic” semiconductors is described. Such a device may use OLEDs, and may be termed an “organic magneto-optic transducer” (OMOT). An OMOT device can read magnetically stored information, and convert it into optical light signals. The OMOT may provide benefits such as non-volatile storage, flexible films, reduced cost, and operation at room temperature.

Abstract: The present invention relates to devices that can be manipulated or controlled with a magnetic field, such as a spin-valve device, an organic light-emitting device, a compass, or a magnetometer. The devices of the invention comprise an organic interlayer comprising a deuterated organic material.

Abstract: The present invention relates to devices that can be manipulated or controlled with a magnetic field, such as a spin-valve device, an organic light-emitting device, a compass, or a magnetometer. The devices of the invention comprise an organic interlayer comprising a deuterated organic material.