A line scanner assembly includes a cam with a cam surface, where the cam rotatable about a cam axis of rotation and includes a first ferromagnetic material. A mirror with a planar surface is configured to tilt about a mirror axis of rotation. A follower is attached to the mirror and has a second ferromagnetic material, where the first magnetic material and/or the second magnetic material includes a permanent magnet and where the follower maintains contact with the cam due to a magnetic attraction between the first ferromagnetic material and the second ferromagnetic material.

A camera module includes an imaging lens assembly, an image sensor, a first reflecting member and a first driving apparatus. The imaging lens assembly is for converging an imaging light on an image surface. The image sensor is disposed on the image surface. The first reflecting member is located on an image side of the imaging lens assembly, the first reflecting member is for folding the imaging light, and has a first translational degree of freedom. The first reflecting member is assembled on the first driving apparatus, and the first driving apparatus is for driving the first reflecting member moving along the first translational degree of freedom.

A magnetically-actuated laser beam control assembly may include a magnetically permeable cover arranged to sealingly couple to an optics housing to cover an opening of the optics housing, an interior sub-assembly, and an exterior sub-assembly. The interior sub-assembly may include includes a linkage having a first section and a second section; the first section of the linkage to receive an optical component; and a ferroelectric or ferromagnetic material on the second section of the linkage. The exterior sub-assembly may include an electromagnet energizable to impart a magnetic force to the ferroelectric or ferromagnetic material to move the optical component from one of a resting position and a different position to the other of the resting position and the different position to cause the optical component to selectively optically process a laser beam. Other embodiments may be disclosed and/or claimed.

A camera module is provided. The camera module includes a housing, and a first lens module and a second lens module disposed in the housing and individually movable in an optical axis direction, the first and second lens modules being configured to generate rolling friction on one of both sides of each of the first and second lens modules and sliding friction on the other of both sides when the first and second lens modules are moved.

An adjustable mirror motor assembly includes a base, a mirror motor component, and a housing. The mirror motor component is fixed on the base and includes a mount and a dragging member. The mount is fixed on the base. A pivot end of the dragging member is pivotally connected to a pivot portion of the mount, and a slide end of the dragging member is slidably disposed in a slide portion of the mount, so that the slide end is pivotally rotated with respect to the pivot end and is slidably moved in the slide portion. A magnet component is on a magnet fixation portion of the dragging member. A mirror is on a mirror fixation portion of the dragging member. The housing covers the base and the mirror motor component.

A reaction compensation device includes a drive mechanism driving a first movable part with respect to a base, a reaction mass drive mechanism driving a second movable part with respect to the base; and a first relative position sensor measuring a relative position between the first movable part and the base. There is also a second relative position sensor measuring a relative position between the second movable part and the base, a first control system controlling the drive mechanism by taking in a signal outputted from the first relative position sensor as a feedback signal in response to a command value, and a second control system correcting the command value using a correction parameter for adjusting a difference between mass properties of the drive mechanism and reaction mass drive mechanism and for controlling the reaction mass drive mechanism.

An optical system is provided. The optical system includes a first optical module with a first light-entering hole, a second optical module with a second light-entering hole, and a third optical module with a third light-entering hole. The second light-entering hole is close to the first light-entering hole and the third light-entering hole. The focal length of the second optical module is different from the focal length of the first optical module and the focal length of the third optical module.

A reflective element driving module includes a first reflective element, a second reflective element, and a driving assembly. The first reflective element has a first reflective surface, disposed to correspond to the incident light, wherein the light has an optical axis. The second reflective element has a second reflective surface, disposed to correspond to the light reflected by the first reflective element, and is movable relative to the first reflective element. The driving assembly is configured to drive the second reflective element to move relative to the first reflective element, wherein the first reflective surface and the second reflective surface face different directions.

An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.

An optical unit with a shake correction function includes a reflection member reflecting light entering from the outside, a movable body turnably holding the reflection member, a fixed body turnably holding the movable body, a drive mechanism structured to turn the reflection member with respect to the movable body and turn the movable body with respect to the fixed body, and a turning axis part structuring a turning center of the movable body with respect to the fixed body. The movable body is capable of turning with respect to the fixed body with a first direction as an axial direction of turning, and the turning axis part includes a first ball disposed on one side of the movable body, a second ball disposed on the other side of the movable body and contacted with the fixed body, and an urging member which urges the first ball toward the second ball.