10results about How to "Achieve zoom" patented technology

The invention discloses a zoom optical system, a lens module and electronic equipment, and belongs to the technical field of electronic equipment. The zoom optical system comprises a reflection assembly, a zoom lens assembly and a focusing lens assembly, the reflection assembly, the zoom lens assembly and the focusing lens assembly are arranged at intervals in the first direction, and at least one of the reflection assembly, the zoom lens assembly and the focusing lens assembly can move in the first direction; wherein the focal power of the reflection assembly and the zoom lens assembly is a positive value, and the focal power of the focusing lens assembly is a negative value.

The invention discloses an optical zoom lens and camera shooting equipment, and relates to the technical field of optical zoom systems.The optical zoom lens comprises a lens group, a plurality of voice coil motors and a position determining structure, the lens group is movably arranged in the front-back direction, and the voice coil motors are annularly arranged on the peripheral side of the lens group at intervals; each voice coil motor comprises a magnet structure and a magnetic force matching part, the magnet structure forms a magnetic field, and the magnetic force matching part is connected with the lens group and is located in the magnetic field, so that when the magnetic force matching part and the magnet structure generate magnetic force action, the magnetic force matching part drives the lens group to move in the front-back direction relative to the magnet structure; comprising a measuring part and a position determining part, one of the measuring part and the position determining part is fixedly arranged, and the other one is connected with the lens group so as to synchronously move with the lens group. Through the arrangement, the power requirement and noise can be reduced, no abrasion and no out-of-step are achieved, and the position detection precision below 1 micron can be achieved.

The embodiment of the invention provides a lens assembly, a camera module and electronic equipment, the lens assembly comprises two lens units, the first lens unit close to the object side is movably arranged so as to realize switching of the lens assembly between a working state and a non-working state, and when the lens assembly is in the working state, the first lens unit is not in contact with the object side. The lens assembly can realize high-quality imaging with a large aperture and a large target surface, and when the lens assembly is switched to a non-working state, the distance between the two lens units can be compressed to reduce the length and the total optical length of the lens assembly, thereby realizing the thinning of the thickness of the lens assembly and the camera module, and improving the imaging quality. In other words, the lens assembly can ensure high imaging quality in a working state and can also be miniaturized in a non-working state. In addition, the two lens units are arranged at a relatively large interval, so that the thinning of the lens assembly and the camera module in a non-working state is more obvious, the ultrathin camera module is obtained, and the thinning requirement of the electronic equipment is better met.

The utility model discloses a driving circuit capable of realizing lens zooming without motor driving, which is characterized by comprising a singlechip control circuit, an adjusting and amplifying voltage output circuit, a crystal lens driving circuit and a crystal lens, the crystal lens comprises two crystal plates and a lens, the crystal plates are mounted on the lens, and the lens is mounted on the singlechip control circuit. The single-chip microcomputer control circuit is electrically connected with the crystal lens driving circuit and the adjusting voltage amplification output circuit, the adjusting voltage amplification output circuit is connected with the crystal lens driving circuit, the crystal lens driving circuit comprises two independent voltage output ends, and the two independent voltage output ends are connected with the corresponding crystal pieces respectively. The single-chip microcomputer control circuit is used for outputting five paths of PWM voltage signals to the adjusting voltage amplification output circuit and the crystal lens driving circuit, and the crystal lens driving circuit comprises two H-bridge circuits. According to the utility model, the position of the lens can be changed without a motor, so that the zoom degree of the lens is changed, and the zoom of the lens is realized.

The present application provides a zoom method, device and electronic device of a zoom system with a metalens, wherein the method includes: obtaining a zoom instruction, the zoom instruction carries a zoom parameter; determining the phase coefficient of the metalens when zooming according to the zoom parameter; and zooming the metalens based on the phase coefficient. Through the zoom method, device and electronic device of a zoom system with a metalens provided by the embodiments of the present application, the zoom of the metalens in the zoom system can be quickly realized according to the zoom parameter carried in the zoom instruction. The zoom is completed by the zoom system itself during the entire zoom process, and there is no need to perform mechanical operation on the zoom system, thereby greatly shortening the response time of the zoom system, improving the zoom accuracy, and the zoom range is not limited by the mechanical structure of the zoom system, so that the zoom range of the metalens is larger.

The utility model provides an infrared fast-assembly lens, which comprises a fixed lens cone, one end of the fixed lens cone is fixedly provided with an installation sleeve, the inner wall of the installation sleeve is provided with a first thread matched with the connecting end of an infrared equipment lens, and the other end of the fixed lens cone is provided with a movable lens cone; the movable lens cone comprises an outer lens cone and an inner lens cone detachably installed in the outer lens cone, the opposite ends of the inner lens cone and the outer lens cone are provided with a first limiting groove and a second limiting groove respectively, and a lens is placed between the two limiting grooves. According to the utility model, when dust or water mist on the lenses affects the use, the lenses can be independently detached and cleaned; the fixed lens cone and the movable lens cone can perform relative displacement, so that the overall length of the device can be controlled, and zooming is realized.

The invention provides a camera module and electronic equipment, and belongs to the technical field of automatic focusing. The camera module comprises an actuator, an optical lens and a photosensitive component, the actuator comprises a rotor part, a stator part and a detection assembly. The optical lens is connected with the mover part, the photosensitive assembly is connected with the stator part, and the mover part and the stator part are movably connected along a light path of the optical lens; the mover part comprises two driving coils, and the two driving coils are arranged in the first direction; the stator part comprises two magnet assemblies, the two magnet assemblies are arranged in the first direction, and each magnet assembly corresponds to one driving coil in position; the detection assembly comprises at least one movable pole piece and at least one fixed pole piece, the at least one movable pole piece is located on the side face of the mover part in the second direction, the at least one fixed pole piece is located on the side face of the stator part in the second direction, and the position of the at least one movable pole piece is opposite to the position of the at least one fixed pole piece in a spaced mode.

The invention provides a camera module and electronic equipment, and belongs to the technical field of automatic focusing. The camera module comprises an actuator, an optical lens and a photosensitive component, the actuator comprises a rotor part, a stator part and a detection assembly. The optical lens is connected with the mover part, the photosensitive assembly is connected with the stator part, and the mover part and the stator part are movably connected along a light inlet path of the optical lens; the detection assembly comprises at least one movable pole piece and at least one fixed pole piece; the at least one moving pole piece is located on the rotor part, the at least one fixed pole piece is located on the stator part, and the position of the at least one moving pole piece is opposite to the position of the at least one fixed pole piece at intervals. According to the camera module provided by the invention, the positions of the movable pole piece, the rotor component and the optical lens are determined by detecting the change of the capacitance value between the movable pole piece and the fixed pole piece which are oppositely arranged at an interval, so that closed-loop focusing of the camera module is realized, and the overall size of the camera module is reduced.

The application discloses a camera module and an electronic device. The camera module comprises a shell, a motor assembly arranged in the shell, an optical lens arranged in the shell, a light shielding assembly arranged in a slot of the shell, a filter arranged on the image side of the light shielding assembly, and a photosensitive chip arranged on the image side of the filter. The camera module can reduce the generation of stray light and improve the imaging quality.

The invention belongs to the technical field of optical imaging equipment, and particularly relates to a base assembly and a lens driving device. Wherein the base assembly comprises a base, a reset mechanism and a base plate, the base plate is movably installed in an inner cavity of the base through the reset mechanism, the reset mechanism comprises a lower reed, an upper reed and a frame, the lower reed is connected between the base and the frame, and the upper reed is connected between the frame and the base plate; the substrate is provided with a coil group used for cooperating with the magnet group. When the coil group is electrified, the coil group cooperates with the magnet group to drive the substrate to move at least along a plane perpendicular to the optical axis. According to the invention, the movement in a larger range can be realized, and a more excellent zoom and / or anti-shake effect can be realized, so that better imaging quality can be obtained. Through the design of the reset mechanism, after the base plate is moved, a good reset effect is achieved under the action of the reset mechanism.