Provided are a signal processing device, a signal processing method, a signal processing program, an imaging apparatus, and a lens apparatus capable of accurately calculating an amount of blurring on the basis of a signal which is output from a blurring detection sensor. The signal processing device processes a signal which is output from a blurring detection sensor in progress of exposure of an imaging element. The signal processing device includes a processor. The processor is configured to perform processing of generating a second signal obtained by performing high-pass filter processing on a first signal which is output from the blurring detection sensor; and processing of calculating an amount of blurring on the basis of the first signal or the second signal.

A position detection device detects a position of a lens holder in an X-axis direction based on a change in an output value of a first magnetic sensor, a position of the lens holder in a Y-axis direction based on a change in an output value of a second magnetic sensor, and a position of the lens holder in a Z-axis direction based on the changes in the output values of the first magnetic sensor and the second magnetic sensor.

In some embodiments, a camera includes an optical package, a camera actuator for moving the optical package, a camera cover, and an impact absorption member to prevent contact between the camera cover and the lens carrier. In some embodiments, the camera actuator includes a lens carrier moveably mounted to a camera cover.

In some embodiments, a camera includes an optical package, a camera actuator for moving the optical package, a camera cover, and an impact absorption member to prevent contact between the camera cover and the lens carrier. In some embodiments, the camera actuator includes a lens carrier moveably mounted to a camera cover.

A lens moving apparatus includes a housing, a bobbin disposed in the housing, a first coil disposed on the bobbin, a magnet configured to move the bobbin in a first direction parallel to an optical axis by an electromagnetic interaction with the first coil, an elastic member coupled to the bobbin, and a second coil disposed on the housing. A first portion of the second coil is coupled to the housing. The second coil generates an induction voltage resulting from an inductive interaction with the first coil when the bobbin moves in the first direction.

A lens moving apparatus includes a housing, a bobbin disposed in the housing, a first coil disposed on the bobbin, a magnet configured to move the bobbin in a first direction parallel to an optical axis by an electromagnetic interaction with the first coil, an elastic member coupled to the bobbin, and a second coil disposed on the housing. A first portion of the second coil is coupled to the housing. The second coil generates an induction voltage resulting from an inductive interaction with the first coil when the bobbin moves in the first direction.

An embodiment comprises: a housing; a bobbin disposed in the housing; a coil disposed on the bobbin; a magnet disposed in a side portion of the housing, and including a first side surface facing the coil and a second side surface opposite to the first side surface; and a yoke disposed in the upper portion of the housing and overlapping the magnet in the optical axis direction, wherein: the centerline of the magnet is located on one side with reference to a reference line; a first groove adjoining one end of the first side surface of the magnet is disposed at a first end of the magnet; a second groove adjoining the other end of the first side surface of the magnet is disposed at a second end of the magnet; the reference line passes through the center of the housing and is perpendicular to the outer surface of the side portion of the housing where the magnet is disposed; and the centerline of the magnet is a straight line passing through the center between the first end and the second end of the magnet and perpendicular to the first side surface of the magnet.

A camera module includes a lens assembly aligned along an optical axis, an optical image stabilization (OIS) carrier coupled to the lens assembly to move the lens assembly on a plane perpendicular to the optical axis, and a housing to accommodate the lens assembly and the OIS carrier. A first OIS magnet and a second OIS magnet are fixed to a first side surface of the OIS carrier, and are arranged side by side on the first side surface along a direction perpendicular to the optical axis. A first OIS coil member and a second OIS coil member face the first OIS magnet and the second OIS magnet, respectively. A first portion of the first OIS magnet is adjacent to the second OIS magnet and a second portion of the second OIS magnet is adjacent to the first OIS magnet.

An embodiment comprises: a base including a body having an opening, and a first post portion, a second post portion, a third post portion, and a fourth post portion which protrude from the body; a bobbin disposed on the body; a coil disposed around the bobbin; a first magnet disposed between the first post portion and the second post portion; a second magnet disposed between the third post portion and the fourth post portion; a lower elastic member coupled to the lower portion of the bobbin and the base; and an upper elastic member coupled to the upper portion of the bobbin and the first to fourth post portions, wherein the lower elastic member is disposed inside the first to fourth post portions of the base, and the lower elastic member is coupled to the base between the first post portion and the fourth post portion adjacent to the first post portion.

A lens driving apparatus includes a cover member; a housing disposed inside the cover member; a bobbin disposed inside the housing so as to move in a first direction; a first coil disposed on an outer circumferential surface of the bobbin; a first magnet coupled to the housing; an upper elastic member disposed on the upper side of the bobbin and coupled to the bobbin and the housing; a base disposed on a the lower side of the housing and coupled to the cover member; a substrate disposed between the housing and the base and including a circuit member having a second coil disposed to be opposite to the first magnet; and a plurality of support members connected to the upper elastic member and the substrate. Each of the plurality of support members is disposed in the proximity of the edge of the upper elastic member, and wherein the support members are connected to the upper elastic member at a position where a length in the x direction and a length in they direction are different on the basis of the edge of the upper elastic member.