A camera module includes a housing assembly, a driving assembly received in the housing assembly, and a lens assembly received in the driving assembly and including at least one lens aligned in a first direction. The driving assembly includes a first magnetic member fixed to one side surface of the driving assembly and driven in the first direction. The housing assembly includes a first coil disposed to face the first magnetic member and configured to generate a magnetic field in response to a first signal to drive the first magnetic member and a first position sensor disposed at one side of the first coil and configured to measure a position of the first magnetic member. The first position sensor is disposed to be partially overlapped with a first virtual expansion area formed by expanding the first magnetic member in a direction that uniformly maintains spacing from the first coil.

An actuator assembly (23) includes a first part (24), a second part (25), and a bearing arrangement (26) mechanically coupling the first part (24) to the second part (25). The actuator assembly (23) also includes a drive arrangement (11, 20) including a total of four lengths of shape memory alloy wire (141, 142, 143, 144). The drive arrangement (11, 20) and the bearing arrangement (26) are configured such that the second part (25) is movable towards or away from the first part (24) along a primary axis (z), and the second part (25) is movable relative to the first part (24) along a first axis (x) and/or a second axis (y). The first and second axes (x, y) are perpendicular to the primary axis (z) and the second axis (y) is different to the first axis (x).

An anti-shake mechanism, a camera module, and an electronic device are provided. The anti-shake mechanism includes: a support plate; a first printed circuit board; a support column fixedly installed on the first printed circuit board; a tilt angle detection mechanism, configured to detect a tilt angle of the support plate and a tilt direction of the support plate; an angle adjustment mechanism, connected between the support plate and the first printed circuit board; and a driving apparatus connected to the tilt angle detection mechanism and the angle adjustment mechanism, respectively. An end of the support column away from the first printed circuit board contacts the support plate. The driving apparatus receives an angle signal collected by the tilt angle detection mechanism, and drives the angle adjustment mechanism to enable the support plate to rotate around the support column.

A camera module comprises: a first housing; a lens module disposed in the first housing; a second housing coupled to the first housing; a first printed circuit board disposed in the inner space of the first housing and the second housing; an image sensor disposed on the first printed circuit board; and a shield can disposed under the first printed circuit board in the second housing, wherein the shield can comprises a rib which comes into contact with the lower surface of the first printed circuit board.

A camera module comprises: a first housing; a lens module disposed in the first housing; a second housing coupled to the first housing; a first printed circuit board disposed in the inner space of the first housing and the second housing; an image sensor disposed on the first printed circuit board; and a shield can disposed under the first printed circuit board in the second housing, wherein the shield can comprises a rib which comes into contact with the lower surface of the first printed circuit board.

A camera system includes a module frame, a camera lens, an image sensor, and an SMA motor that are stacked within the module frame. The camera lens is fixedly connected to the module frame, and the SMA motor is located on an out-light side of the camera lens. The image sensor is located between the camera lens and the SMA motor and is fastened to the SMA motor. The SMA motor is configured to actuate the image sensor to shift in a direction parallel to an optical axis of the camera lens. The SMA motor is further configured to actuate the image sensor to shift on a plane perpendicular to the optical axis of the camera lens.

A camera motor includes a motor housing, a lens bearing apparatus, a cushioning part, and a drive apparatus. The motor housing has an accommodating cavity, and the lens bearing apparatus is accommodated in the accommodating cavity and is spaced apart from an inner wall of the accommodating cavity. The cushioning part is disposed on an outer surface of the lens bearing apparatus. The drive apparatus is accommodated in the accommodating cavity, and the drive apparatus can drive the lens bearing apparatus to move in the accommodating cavity.

The technology of this application relates to an actuating device, a camera module, and an electronic device. In the actuating device, an actuator is configured to include an actuating magnetic component, a power supply apparatus, and at least one coil. The power supply apparatus is electrically connected to the coil, and the coil is disposed in a magnetic field of the actuating magnetic component. When a current is supplied to the coil, the coil or the actuating magnetic component moves under an action of the magnetic field. In this case, the coil or the actuating magnetic component can drive a motor carrier to move, to drive a lens of the camera module to move, so that zooming of the camera module is completed.

An optical element driving unit includes a stationary body, a carrier, a supporting mechanism and an electromagnetic driving assembly. The supporting mechanism is connected to the carrier and the stationary body and provides the carrier with a degree of freedom of movement relative to the stationary body. The carrier can be driven to move by the electromagnetic driving assembly. The electromagnetic driving assembly includes a driving coil, a driving magnet and a ferromagnetic element. The driving coil is disposed on the carrier. The driving magnet is disposed on the stationary body. The ferromagnetic element is one-piece formed and embedded in the carrier, and the ferromagnetic element includes a magnetic field guiding part and an electrical connection part. The magnetic field guiding part faces the driving coil and/or the driving magnet. The electrical connection part is exposed on a surface of the carrier and electrically connected to the driving coil.

An optical assembly of an imaging device includes an array of lens assemblies each having a double-folded optical axis, and an image sensor. Each of the lens assemblies each having the double-folded optical axis includes an input optical axis folding element, at least one lens having an optical power, and an output optical axis folding element. The input optical axis folding element of each of the lens assemblies having the double-folded optical axis is configured to change a field of view (FOV) of the input optical axis folding element by changing an optical axis folding angle of the input optical axis folding element about two axes.