A multi-axis gimbal actuator includes a first tilt frame tiltably coupled to a second tilt frame. The second frame is tiltably coupled to a reference frame. The first tilt frame is offset from the second tilt frame and approximately parallel to the second tilt frame while in a neutral position. An optical element is mounted on the first tilt frame.

Methods and systems for using a MEMS mirror for steering a LiDAR beam and for minimizing statically emitted light from a LiDAR system are disclosed. A LiDAR system includes a light source that emits a light beam directed at a MEMS device. The MEMS device includes a manipulable mirror that reflects the emitted light beam in a scanning pattern. The MEMS device also includes a substrate positioned adjacent to and at least partially surrounding the mirror. An attenuation layer is disposed on a top surface of the substrate and is configured to attenuate light reflected by the substrate.

A projection device according to the present disclosure includes a light emission display panel in which a plurality of pixels including a light emission element are arranged in a matrix shape, a scanning mirror configured to reflect, toward a scanned surface, imaging light emitted from the light emission display panel and performs two-dimensional scanning of the reflected imaging light on the scanned surface, and a projection optical system configured to guide the imaging light from the light emission display panel to the scanning mirror.

An acquisition and tracking sensor includes a quad detector with a narrow field of view (NFOV) and a micro-electromechanical system (MEMS) mirror with a wide field of view (WFOV). The quad detector is placed behind the MEMS mirror to produce a WFOV to allow the quad detector to scan a larger area for the incoming laser beam.

A laser beam display device that can dynamically control the resonant frequency of a mirror is provided. The increase the reliability of a device by controlling the resonant frequency of a mirror instead of requiring components of a display device to react to changes in the resonant frequency of a mirror. A controller can drive a mirror with an input signal, receive a signal or data indicating a target resonant frequency, and bias the input signal to control the resonant frequency of the mirror. In some embodiments, the controller can also receive a feedback signal from a mirror indicating a current resonant frequency. The controller can also bias the input signal to increase or decrease the current resonant frequency. By dynamically controlling the resonant frequency of a mirror, a device can minimize any difference between the current resonant frequency detected in a feedback signal and the target resonant frequency.

An optical module includes a base which has a main surface and in which a mounting region and a driving region for moving the mounting region along a first direction parallel to the main surface are provided, a movable mirror which has a mirror surface having a positional relationship of intersecting the main surface and is mounted in the mounting region, a first fixed mirror which has a mirror surface having a positional relationship of intersecting the main surface and of which a position with respect to the base is fixed, and a beam splitter unit which constitutes a first interference optical system for measurement light together with the movable mirror and the first fixed mirror. The mirror surface of the movable mirror and the mirror surface of the first fixed mirror are directed to one side in the first direction.

One embodiment of a camera module can comprise: a housing having a first electrode pattern and a first recessed part, which are formed on the upper surface thereof; an auto-focusing unit mounted in the first recessed part and electrically connected to the first electrode pattern; a lens barrel accommodated inside the housing; a first holder which is disposed at the lower part of the housing and to which the lens barrel is coupled; and a printed circuit board disposed at the lower part of the first holder and electrically connected to the housing.

Systems and methods for a multi-primary color system for display. A multi-primary color system increases the number of primary colors available in a color system and color system equipment. Increasing the number of primary colors reduces metameric errors from viewer to viewer. One embodiment of the multi-primary color system includes Red, Green, Blue, Cyan, Yellow, and Magenta primaries. The systems of the present invention maintain compatibility with existing color systems and equipment and provide systems for backwards compatibility with older color systems.

In described examples, a system (e.g., a microelectromechanical system) includes a substrate, a support coupled to the substrate and a first and second element. The first element includes a contactor spring having a first portion coupled to the support and having a second portion including a cavity having a sloped surface. A clearance from the sloped surface to the substrate is widened as the sloped surface extends away from the first portion. The second portion includes a first contact surface adjacent to the sloped surface. The second element is coupled to the substrate and has a second contact surface adjacent to the first contact surface. One of the first element and the second element is adapted: in a first direction to urge the first contact surface and the second contact surface together; and in a second direction to urge the first contact surface and the second contact surface apart.

An oscillator driver system includes an oscillator structure and a driver circuit. The oscillator structure includes a rotor terminal configured to receive a rotor voltage and a stator terminal configured to receive a stator voltage, and is driven about a rotation axis according to a voltage difference between the rotor and stator voltages. The driver circuit is configured to generate a driving signal and output the driving signal as the rotor voltage, wherein the driving signal toggles between low and high voltage levels at an actuation frequency to drive the oscillator structure about the rotation axis, and wherein the stator voltage is a fixed voltage. The low and high voltage levels are greater than the stator voltage such that the voltage difference toggles between a low voltage difference and a high voltage difference as the driving signal toggles between the low voltage level and the high voltage level, respectively.