A camera module includes: a first lens module disposed in a housing; and a reflective module. The reflective module includes: a reflective member including at least two reflective surfaces disposed at different angles and configured to reflect light passing through the first lens module; and a carrier disposed between the reflective member and the housing. The cameral module further includes an image sensor configured to collect light reflected from the reflective module. The reflective member is configured to move in a first direction with respect to the carrier, and the carrier is configured to move in a second direction perpendicular to the first direction with respect to the housing.

An optical component driving mechanism is provided, including a holder, a fixed portion, a driving assembly, and a first circuit assembly. The holder is used to connect the optical component. The holder is movable relative to the fixed portion. The driving assembly is used to drive the holder to move relative to the fixed portion. The first circuit assembly is fixedly disposed on the holder. The first circuit assembly is electrically connected to the driving assembly.

Described herein is a method and apparatus for an optical system configured to output redundant outputs, where the optical system includes at least one optical device configured to receive an optical signal; at least one optical transducer, wherein each at least one optical transducer is configured to receive the optical signal from the at least one optical device and convert the optical signal to an electrical signal; and at least one electronic device configured to receive each electrical signal and output the redundant outputs.

A directable light beam handling device for use in optical communication contains is provided that contains a rotation mechanism with a rotatable ring of soft magnetic material encircling a path of the beam from a beam expander. A mirror or prism being coupled to the rotatable ring is rotated with the ring. The ring includes an array of soft magnetic ridges, forming elevations extending from a surface of the ring. At least three electromagnets are used to drive rotation of the ring around the beam axis. Each electromagnets comprises a soft magnetic yoke, having poles at a first and second end portion of the yoke. The pole at the first end portion faces said surface of the ring, the first end portion having ridges elevated from the yoke in the direction towards the ring, in parallel with the ridges of the ring.

An optical element driving device is described that includes a fixed portion having supporting holes, a holding member having a supporting portion supporting an optical element, and a supporting shaft supporting the holding member. The fixed portion is disposed at positions of two end portions of the supporting shaft to support the supporting shaft in the supporting holes in a rockable manner. A resin with viscoelasticity is filled between the outer peripheral surface of the supporting shaft which is rockable in the supporting holes and an inner peripheral surface of the supporting hole of the fixed portion.

A camera device is described that includes a prism driving device for driving a prism, a lens driving device for driving a lens body, and a base for fixing an image sensor. These components stand in order in a straight line in a case. The prism driving device has a driving portion and a flexible printed circuit board for relaying current supply from an external portion to the driving portion. Terminals of the flexible printed circuit board are connected to terminal receiving portions of the base.

An inkjet printing system with a droplet measurement apparatus is described herein. The droplet measurement apparatus has a light source with a collimating optical system, an imaging device disposed along an optical path of the collimating optical system, and a droplet illumination zone in the optical path of the collimating optical system, the droplet illumination zone having a varying droplet illumination location, wherein the light source, the imaging device, or both are adjustable to place a focal plane of the imaging device at the droplet illumination location. The droplet measurement apparatus is structured to accommodate at least a portion of a dispenser of the printing system within the droplet illumination zone.

A head-mounted display device including a projection device and an optical waveguide is provided. The projection device has an optical pupil located on a second surface of the optical waveguide, and includes a light source, a first MEMS mirror element, a second MEMS mirror element, and a relay optical element group. The relay optical element group has a first axis equivalent focal length corresponding to a first parallel light beam and has a second axis equivalent focal length corresponding to a second parallel light beam. The first parallel light beam and the second parallel light beam travel along an optical axis of the relay optical element group, and a value of the first axis equivalent focal length is different from a value of the second axis equivalent focal length. The head-mounted display device may provide good image quality and a large field of view.

A method of controlling a position at which laser beams used in flow cytometry impinge on a flow cell. The method includes directing each of the laser beams through a respective prism pair including a first and a second prism and. controlling a temperature of at least one of the first and second prisms. The first and second prisms are oriented such that an ellipticity of a laser beam passing through the prism pair is changed, and such that controlling the temperature of at least one of said first and second prisms results in a displacement of the laser beam along a direction corresponding to a minor transversal axis of the beam at the flow cell, wherein a position at which each of the plurality of laser beams impinges on the flow cell is controlled by controlling a temperature of at least one of the first and second prisms.

The embodiment relates to an image stabilization device and a camera module including the same.

The image stabilization device according to the embodiment includes: a first prism for changing a path of a light beam; a second prism disposed below the first prism and changing a path of light beam emitted from the first prism; an image stabilization control unit for controlling a shape of the second prism including a coil part and a magnet part.

The first prism may be disposed inside the image stabilization control unit. The second prism may be a variable wedge prism. The image stabilization control unit may control the path of the light beam by changing the shape of the second prism through the magnet part.