Certain aspects of the present disclosure provide to angle adjustment systems using one or more spring arrangements. In certain aspects, an angle adjustment system comprises a component and a first spring arrangement coupled to the component, wherein the first spring arrangement comprises at least three spring elements. Further, the first spring arrangement is configured to allow the component to rotate around a first axis of rotation and prevent a first translational movement of the component with respect to the first axis of rotation.

An optical element driving mechanism is provided that includes a fixed assembly, a movable assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element, and the movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable member to move relative to the fixed assembly.

An optical system is provided, including a holder, a fixed module, a driving assembly, and a first resilient member. The holder is used for holding an optical element that defines an optical axis. The fixed module is movably connected to the holder and has a housing and a base connected to the housing. The base has a bottom surface parallel to the optical axis and a first pillar forming a first surface that is not parallel to the optical axis. The driving assembly drives the holder to move relative to the fixed module. The first resilient member is disposed on the first surface and movably connects the holder with the fixed module.

A camera assembly and an electronic device having the same are provided. The camera assembly includes a main board, a cover plate, a camera, an infrared lamp and a deflection member. The mainboard and the cover plate are arranged parallel to and spaced apart from each other. The camera and the infrared lamp are arranged on a side of the main board facing towards the cover plate, and spaced apart from each other. The deflection member is arranged on a side of the cover plate facing towards the main board, and is opposite to the camera. The deflection member is configured to deflect infrared light emitted by the infrared lamp towards a direction of a central axis of the camera.

A camera module includes a housing having an internal space, a reflecting module including a reflecting member on a movable holder movably supported by an inner wall of the housing in the internal space, and a lens module disposed behind the reflecting module in the internal space, and including lenses aligned in an optical axis direction so that light reflected by the reflecting member is incident thereto. The movable holder is configured to move the reflecting member in a first axis direction approximately perpendicular to the optical axis direction and a second axis direction approximately perpendicular to the optical axis direction and the first axis direction with respect to the housing. The lens module includes at least two lens barrels disposed on sidewalls of the housing, linearly movable in approximately the optical axis direction, and including the lenses divided and disposed therein.

Rotation mechanisms for rotating a payload in two, first and second degrees of freedom (DOF), comprising a static base, a first rotation arm coupled mechanically to the static base through a first rotation joint and used for rotating the payload relative to the static base around a first rotation axis that passes through the first rotation joint, a second rotation arm coupled mechanically to the static base through a second rotation joint and used for rotating the payload relative to the static base around a second rotation axis that passes through the second rotation joint, and a follower member rigidly coupled to the payload and arranged to keep a constant distance from the second rotation arm, wherein the rotation of the first arm rotates the payload around the first DOF and the rotation of the second arm rotate the payload around the second DOF.

Embodiments of this application disclose a camera module, including a lens group, an image sensor, a reflective member, and a driving assembly. The lens group includes a plurality of lenses, the reflective member is configured to reflect, to the image sensor, light rays focused by at least one of the plurality of lenses, and the driving assembly is configured to drive the reflective member to move. Costs of the camera module are relatively low. The embodiments of this application further disclose an electronic device.

The present disclosure provides an optical element driving mechanism, which includes a movable assembly, a fixed assembly, and a driving assembly. The movable assembly is configured to be connected to an optical element. The movable assembly is movable relative to the fixed assembly. The driving assembly is configured to drive the movable assembly to move relative to the fixed assembly in a range of motion. The optical element driving mechanism further includes a positioning assembly configured to position the movable assembly at a predetermined position relative to the fixed assembly when the driving assembly is not operating.

A camera module includes: a first lens module disposed in a housing and including at least one lens; a reflective member configured to change a path of light toward the first lens module; an extension member configured to be moved together with the reflective member, and disposed between the reflective member and the first lens module; and a shake compensation actuator disposed in the extension member and configured to tilt the reflective member with respect to an axis perpendicular to an optical axis of the first lens module.

A camera module according to an embodiment of the disclosure includes a camera housing, a lens assembly, part of which is accommodated in the camera housing, the lens assembly including a lens, in which the lens assembly moves in a direction of an optical axis of the lens inside the camera housing, and a stopper member coupled to the inside of the camera housing and at least part of the stopper member limits a movement range of the lens assembly in the direction of the optical axis. The stopper member includes a first stopper member to limit the movement range of the lens assembly in a first optical axis direction and a second stopper member to limit the movement range of the lens assembly in a second optical axis direction opposite to the first optical axis direction, and the first stopper member and the second stopper member are configured to provide damping when the lens assembly makes contact with the first stopper member and the second stopper member.