Patent classifications
H04N23/686
Prism module, camera including same, and image display device
A present disclosure relates to a prism apparatus, a camera apparatus and an image display apparatus including same. The prism apparatus according to one embodiment of the present disclosure includes a prism holder for fixing a prism to a first surface; a yoke of which a first surface is attached to a second surface of the prism holder which is rear surface of the first surface of the prism holder; a drive magnet attached to a second surface of the yoke which is rear surface of the first surface of the yoke; a sensor magnet disposed above the yoke; a hall sensor spaced apart from the sensor magnet; and a sensor magnet supporter to which the sensor magnet is attached. Accordingly, the magnetic field is detected accurately.
CAMERA MODULE
A camera module includes a first circuit board on which the image sensor is disposed; a base disposed on the first circuit board; a lens assembly disposed within the base; and a third circuit board disposed on one side of the base, on which a coil part constituting the lens assembly and a driving device for controlling driving of the coil part are disposed. The driving device includes a coil driver configured to apply a current to the coil, and a Hall sensor configured to sense a position of the lens assembly.
Image shaking-prevention device including prism, and camera module comprising same
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.
Folded optics with tilt actuator and spring suspension
Various embodiments include a tilt actuator and a spring suspension arrangement for use in a camera having a folded optics arrangement. In some embodiments, the folded optics arrangement may include a light path-folding element that is coupled with a carrier and that is tilted using the tilt actuator. The spring suspension arrangement may suspend the carrier and the light path-folding element from a base structure, and may allow motion of the light path-folding element enabled by the tilt actuator. The spring suspension arrangement may include one or more springs attached to the carrier and to the base structure. In some embodiments, the spring suspension arrangement may further include one or more suspension wires attached to the spring(s) and to a stationary structure of the camera.
In-vehicle optical image stabilization (OIS)
Embodiments generally relate to systems and methods for in-vehicle optical image stabilization. In one embodiment, the system includes a first motion sensor rigidly attached to a video capture device mounted in a vehicle; a second motion sensor rigidly attached to an object in the vehicle, the object being within the field of view of the video capture device; and a controller. The controller is operatively connected to the first motion sensor, to the second motion sensor, and to a movable optical element in the video capture device. In one aspect, the first sensor provides a first output signal to the controller, the second sensor provides a second output signal to the controller; and the controller provides a compensation signal to the movable element determined by the first and second output signals.
Lens assembly provided with optical path changing unit
Disclosed is a lens assembly. The disclosed lens assembly comprises: a base; a lens unit which is disposed on one side inside the base and moves forward or rearward in the length-wise direction of the base; an optical path changing unit which is disposed on the other side inside the base, and has a portion fixed to the base and the other portion disposed to be movable inside the base; an auto focusing (AF) drive unit that moves the lens unit forward or rearward; and first and second optical image stabilizing (OIS) drive units that move the optical path changing unit in a tiltable posture.
OPTICAL IMAGE STABILIZATION FOR FOLDED OPTICS CAMERA MODULES
In some implementations, a camera module includes an image sensor, a lens assembly comprising a first portion configured to receive light along a first optical axis and a second portion that includes a plurality of lens elements that share a second optical axis that is different from the first optical axis, a reflective element arranged to alter a path of light entering the camera in a direction along the first optical axis to a direction along the second optical axis, at least two independent actuators configured to tilt the reflective element about a pivot point, and one or more resilient elements configured to bias a position of the reflective element.
Folded Optics with Tilt Actuator and Spring Suspension
Various embodiments include a tilt actuator and a spring suspension arrangement for use in a camera having a folded optics arrangement. In some embodiments, the folded optics arrangement may include a light path-folding element that is coupled with a carrier and that is tilted using the tilt actuator. The spring suspension arrangement may suspend the carrier and the light path-folding element from a base structure, and may allow motion of the light path-folding element enabled by the tilt actuator. The spring suspension arrangement may include one or more springs attached to the carrier and to the base structure. In some embodiments, the spring suspension arrangement may further include one or more suspension wires attached to the spring(s) and to a stationary structure of the camera.
OPTICAL ACTUATOR, CAMERA MODULE, AND CAMERA-MOUNTED DEVICE
An optical actuator that comprises an inside holder that can hold an optical path bending member, an outside holder supporting the inside holder such that the inside holder can pivot around a first axis, and a drive unit making the inside holder pivot. Either end part of the inside holder is rotatably supported on the outside holder. The drive unit has: an ultrasonic motor supported on the outside holder, and an intermediate part supported on the inside holder. The ultrasonic motor has an oscillator that resonates, and the intermediate part has a fan-shaped contact part that contacts the oscillator.
Image stabilization apparatus and method of controlling the same, and storage medium
An image stabilization apparatus comprises first optical correction unit configured to optically correct an image blur, second optical correction unit configured to optically correct the image blur, first restriction unit configured to set a first restriction which restricts a driving range of the first optical correction unit, subtraction unit configured to obtain a result of subtraction by subtracting the shake signal to which the first restriction has been set from the shake signal detected by the shake detection unit, second restriction unit configured to set a second restriction which restricts a driving range of the second optical correction unit to the result of subtraction, change unit configured to change a restriction values, and control unit configured to control the first and second optical correction units.