Abstract: Provided is an improved beam control method of an array antenna based on frequency diversity. The method includes: signals from a transmitter are received by a receiving array which includes a first sub-array and a second sub-array, wherein the first sub-array includes M uniformly arranged array elements, the second sub-array includes N uniformly arranged array elements, M and N are coprime integers, and N?0; a signal received by each array element in the receiving array is input into a constructed model, and a covariance matrix is output after processing the signal via the model; a virtual array is constructed at a receiver, wherein a virtual array element in the virtual array is a second-order statistic calculated according to the covariance matrix; and a frequency is randomly selected for each virtual array element from a frequency set of the virtual array, so as to form a beam pattern.

Abstract: A lens driving device includes fixing bracket, first support frame sleeved on the fixing bracket, second support frame sleeved on the first support frame, rotation assembly configured to make the fixing bracket rotate relative to the first support frame about a first direction and the first support frame rotate relative to the second support frame about a second direction, driving assembly for driving fixing bracket to rotate relative to first support frame about the first direction and driving the first support frame to rotate relative to the second support frame about the second direction, flexible printed circuit board, first elastic support components, and second elastic support components. The lens driving device increases spacing between adjacent two of crossing portions of the shape memory wires so that the shape memory wires have enough space for the movement, preventing the shape memory wires from being interfered with each other during the movement.

Abstract: The present invention provides a lens driving device including a first supporting framework, a second supporting framework, a lens barrel, a bracket assembly which is rotatably connected with the first supporting framework, the first supporting framework is rotatably connected with the second supporting framework; anti-shake magnets fixed on two adjacent first side walls; anti-shake coils fixed on two adjacent second side walls; a flexible printed circuit fixed at a peripheral side of the second supporting framework and electrically connected with the anti-shake coils; and metal sheets respectively opposite to and spaced from two anti-shake magnets and generating mutual magnetic attraction with the anti-shake magnets. Compared with the related art, the lens driving device of the present invention has a simple structure and low production cost.

Abstract: The present invention provides a lens driving device and an electronic device, wherein the lens driving device comprises a housing and a lens assembly; the lens assembly includes a lens module and a shell for accommodating the lens module; a bottom wall of the housing is formed an arc-shaped rail; the lens driving device further includes a ball disposed between the housing and the shell and located in the arc-shaped rail; a first driving structure for driving the lens assembly to rotate around an optical axis is further arranged between the housing and the shell; and the first driving structure includes a magnet and a coil opposite to the magnet. The present invention realizes rotation of the lens module around the optical axis direction, thus avoiding the swaying of the lens driving device caused by hand movement, achieving image stabilization, and improving the imaging effect of the lens module.

Abstract: A lens driving device includes a fixing bracket; first and second support frames; a rotation assembly including first and second rolling balls so that the fixing bracket and the first support frame are spaced apart from each other and form a rotational connection about a first direction, and the first and second support frames are spaced apart from each other and form a rotational connection about a second direction; a driving assembly for driving the fixing bracket to rotate relative to the first and second support frames about the first direction and for driving the first support frame to rotate relative to the second support frame about the second direction; a flexible circuit board; and first and second elastic support components. The lens driving device reduces the height of the overall structure, and effectively reduces the height of the lens driving device.

Abstract: The present invention provides a lens driving device and an electronic device, wherein the lens driving device comprises a housing and a lens assembly; the lens assembly includes a lens module and a shell for accommodating the lens module; a bottom wall of the housing is formed an arc-shaped rail; the lens driving device further includes a ball disposed between the housing and the shell and located in the arc-shaped rail; a first driving structure for driving the lens assembly to rotate around an optical axis is further arranged between the housing and the shell; and the first driving structure includes a magnet and a coil opposite to the magnet. The present invention realizes rotation of the lens module around the optical axis direction, thus avoiding the swaying of the lens driving device caused by hand movement, achieving image stabilization, and improving the imaging effect of the lens module.

Abstract: A photographing lens is provided, including a mounting framework, a lens module and an image stabilization module, where the image stabilization module includes a movable holder, a frame, a first rotation assembly, a second rotation assembly, a first elastic member, a second elastic member, a third elastic member and a fourth elastic member; the first elastic member includes a first fixing piece, a second fixing piece, and a first elastic piece connected between the first fixing piece and the second fixing piece; the second elastic member includes a third fixing piece, a fourth fixing piece, and a second elastic piece connected between the third fixing piece and the fourth fixing piece. The present invention solves the technical problems of the complex structure and increased thickness of the photographing lens for realizing the rotational reset of the lens module in the related art.

Abstract: A camera lens includes a mounting housing, a lens module, an image stabilization module, first and second support shafts fixed to the mounting housing opposite to each other along one of diagonals of the mounting housing, and third and fourth support shafts fixed to the frame opposite to each other along another diagonal of the mounting housing. The mounting housing is formed by sequentially connecting first to fourth frame plates. The image stabilization module includes a frame, a movable frame, first and second image stabilization coils, and first and second magnets. The movable frame has first to fourth rotation holes. The first to fourth support shafts are respectively rotatably fit within the first to fourth rotation holes. The camera lens of the present disclosure can solve the problems of great process difficulty and high cost in the related art when the camera lens performs the optical image stabilization.

Abstract: A lens driving device includes first and second support frames, lens barrel, anti-shake magnets, anti-shake coils, flexible PCB, metal sheets, and support assembly including support member and first and second guiding posts. Support member includes support plate and first and second support walls. First soft protruding rubbers are respectively provided at positions of top surface of first support frame corresponding first support walls, and second soft protruding rubbers are respectively provided at positions of inner wall of second support frame corresponding to two sides of each second support wall. Compared with the prior art, lens driving device of the present disclosure makes impact limit position of first support walls closer to deflection axis position in first direction, and makes impact limit positions of second support walls closer to deflection axis position in second direction to reduce speed of limit impact, thereby reducing risk of generating particles due to impact.

Abstract: A lens module includes a base, a lens assembly, a bearing member including fixing and rotating frames, a shape memory alloy wire assembly including first and second shape memory alloy (SMA) wires, and at least one first and second wire-binding clamp members. The first SMA wires drive rotating frame to rotate relative to base about a first direction, and the second SMA wires drive the fixing frame to rotate relative to the rotating frame about a second direction. The first and second directions are perpendicular to each other and perpendicular to optical axis of the lens assembly. The rotating frame includes first and second rotating side plates. Each first wire-binding clamp member is connected to two first SMA wires, and each second wire-binding clamp member is connected to two second SMA wire. The lens module has low cost and occupies a small space, and the magnetic interference can be avoided.

Abstract: A lens driving module includes first and second bases, a bottom base, a reset assembly, a PCB, first and second driving assemblies respectively driving first base to rotate about a first axis and second base to rotate about a second axis, and a lens mounted on the first base. The reset assembly includes reset members provided at two opposite sides of the bottom base along the first axis or the second axis. Each reset member includes first to third connection portions, a first elastic arm connected between first and second connection portions and configured to reset the first base, and a second elastic arm connected between second and third connection portions and configured to reset the second base. The first to third connection portions are respectively connected to first and second bases and bottom base, respectively. The lens driving module has a simplified structure, compact size, and improved stability.

Abstract: A lens driving device includes fixing bracket, first support frame sleeved on the fixing bracket, second support frame sleeved on the first support frame, rotation assembly configured to make the fixing bracket rotate relative to the first support frame about a first direction and the first support frame rotate relative to the second support frame about a second direction, driving assembly for driving fixing bracket to rotate relative to first support frame about the first direction and driving the first support frame to rotate relative to the second support frame about the second direction, flexible printed circuit board, first elastic support components, and second elastic support components. The lens driving device increases spacing between adjacent two of crossing portions of the shape memory wires so that the shape memory wires have enough space for the movement, preventing the shape memory wires from being interfered with each other during the movement.

Abstract: A photographing lens is provided, including a mounting framework, a lens module and an image stabilization module, where the image stabilization module includes a movable holder, a frame, a first rotation assembly, a second rotation assembly, a first elastic member, a second elastic member, a third elastic member and a fourth elastic member; the first elastic member includes a first fixing piece, a second fixing piece, and a first elastic piece connected between the first fixing piece and the second fixing piece; the second elastic member includes a third fixing piece, a fourth fixing piece, and a second elastic piece connected between the third fixing piece and the fourth fixing piece. The present invention solves the technical problems of the complex structure and increased thickness of the photographing lens for realizing the rotational reset of the lens module in the related art.

Abstract: A photographing apparatus and an electronic device are provided. The photographing apparatus includes a frame assembly, a first movement assembly, first support members, a second movement assembly, second support members, and a lens module. The frame assembly is provided with a receiving cavity. The first movement assembly is suspended in the receiving cavity, and a movement cavity is provided inside the first movement assembly. The first support members are each arranged at least partially in a respective first movement groove and abut against the first movement assembly and the frame assembly. The first movement grooves adapted to the first movement assembly and the second movement grooves adapted to the second movement assembly are provided such that the photographing apparatus is of a compact structure on condition that the lens module can rotate about the first axis of rotation and/or the second axis of rotation.

Abstract: A lens drive device and an electronic terminal are provided. The lens drive device includes a housing, a holder, permanent magnets, a lens barrel, a drive coil, an elastic assembly, and a circuit board assembly. The lens barrel is arranged in the holder in such a way that the lens barrel is movable in an optical axis direction of the lens. The elastic assembly is connected to the lens barrel and the holder separately and is used for supporting the lens barrel to move in the optical axis direction. The whole stroke of the lens barrel is increased so that the lens drive device of the present invention has a better performance. It is also possible to reduce the thickness of the lens drive device of the present invention with the stroke unchanged, such that the structure is more compact.

Abstract: A lens driving device includes a fixing bracket; first and second support frames; a rotation assembly including first and second rolling balls so that the fixing bracket and the first support frame are spaced apart from each other and form a rotational connection about a first direction, and the first and second support frames are spaced apart from each other and form a rotational connection about a second direction; a driving assembly for driving the fixing bracket to rotate relative to the first and second support frames about the first direction and for driving the first support frame to rotate relative to the second support frame about the second direction; a flexible circuit board; and first and second elastic support components. The lens driving device reduces the height of the overall structure, and effectively reduces the height of the lens driving device.

Abstract: A lens driving device includes first and second support frames, lens barrel, anti-shake magnets, anti-shake coils, flexible PCB, metal sheets, and support assembly including support member and first and second guiding posts. Support member includes support plate and first and second support walls. First soft protruding rubbers are respectively provided at positions of top surface of first support frame corresponding first support walls, and second soft protruding rubbers are respectively provided at positions of inner wall of second support frame corresponding to two sides of each second support wall. Compared with the prior art, lens driving device of the present disclosure makes impact limit position of first support walls closer to deflection axis position in first direction, and makes impact limit positions of second support walls closer to deflection axis position in second direction to reduce speed of limit impact, thereby reducing risk of generating particles due to impact.

Abstract: A lens driving device includes a lens module, a first support frame, a second support frame sleeved on the first support frame, a support assembly for suspending the first support frame inside the second support frame, a first flexible printed circuit board (PCB) including folding portions, a second flexible PCB opposite to and independent from the first flexible PCB, and a driving assembly. Each folding portion includes a first fixing portion attached to the first support frame, a second fixing portion attached to the shell, and bent portions connecting the first fixing portion with the second fixing portion by bending. The two flexible PCBs are separately provided in the lens driving device to prevent the risk of disengagement when the two flexible PCBs move, and the folding portions prevent the first flexible PCB from being pulled by the movement of the lens module to be disconnected.

Abstract: The present invention provides a lens driving device including a first supporting framework, a second supporting framework, a lens barrel, a bracket assembly which is rotatably connected with the first supporting framework, the first supporting framework is rotatably connected with the second supporting framework; anti-shake magnets fixed on two adjacent first side walls; anti-shake coils fixed on two adjacent second side walls; a flexible printed circuit fixed at a peripheral side of the second supporting framework and electrically connected with the anti-shake coils; and metal sheets respectively opposite to and spaced from two anti-shake magnets and generating mutual magnetic attraction with the anti-shake magnets. Compared with the related art, the lens driving device of the present invention has a simple structure and low production cost.

Abstract: A camera lens includes a mounting housing, a lens module, an image stabilization module, first and second support shafts fixed to the mounting housing opposite to each other along one of diagonals of the mounting housing, and third and fourth support shafts fixed to the frame opposite to each other along another diagonal of the mounting housing. The mounting housing is formed by sequentially connecting first to fourth frame plates. The image stabilization module includes a frame, a movable frame, first and second image stabilization coils, and first and second magnets. The movable frame has first to fourth rotation holes. The first to fourth support shafts are respectively rotatably fit within the first to fourth rotation holes. The camera lens of the present disclosure can solve the problems of great process difficulty and high cost in the related art when the camera lens performs the optical image stabilization.