Abstract: A system includes a processor that is configured to provide an interface through which a user inputs information on books the user has read or wishes to read, generate a prompt sentence for summarizing contents of a book based on the input information, input the prompt sentence into a generative artificial intelligence model, receive, from the generative artificial intelligence model, a generated summary or advice based on the prompt sentence, and present information including the generated summary or the advice to the user via a display device.

Abstract: An aperture unit includes a base plate, a cover, a plurality of movable blades, a drive ring, a drive motor, and rotation shafts. The movable blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of the opening by opening and closing operations. The drive ring is disposed between the base plate and the cover, is rotationally driven when the movable blades are opened and closed, and has a plurality of cam pins that move along cam grooves in the movable blades . The cover has protrusions that protrude toward the movable blades along the optical axis direction and restrict the movement of the movable blades in the optical axis direction.

Abstract: A system includes a processor that is configured to monitor, in real time, a voice call received on a user device, and convert content of the voice call into text data by using a speech recognition technique; wherein the processor is configured to analyze the converted text data by using a natural language processing technique and detect a keyword or a phrase related to phishing fraud; and wherein the processor is configured to issue a warning to a user when a possibility of phishing fraud is detected, wherein all of said monitoring, conversion, analysis, detection, and issuing are performed locally on the user device so as to protect privacy of the user.

Abstract: An aperture unit comprises a base plate, a cover, a plurality of movable blades, a drive ring, a drive motor, and rotation shafts. The movable blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of the opening by opening and closing operations. The drive ring is disposed between the base plate and the cover, is rotationally driven when the movable blades are opened and closed, and has a plurality of cam pins that move along cam grooves in the movable blades. The cover has protrusions that protrude toward the movable blades along the optical axis direction and restrict the movement of the movable blades in the optical axis direction.

Abstract: A lens barrel includes a main body having a substantially cylindrical portion; one or a plurality of lenses; one or a plurality of lens support members that support the one or the plurality of lenses; a lens drive member having a substantially cylindrical portion that moves the one or the plurality of lens support members in a substantially extending direction of an optical axis in conjunction with rotation with respect to the main body nearly around the optical axis of the one or the plurality of lenses; a rotation operation interlocking member disposed radially outward of the lens drive member nearly around the optical axis, the rotation operation interlocking member including a substantially cylindrical portion rotated with respect to the main body nearly around the optical axis in conjunction with a manual operation; an odd number of rotating bodies engaging with an outer circumferential surface of the lens drive member and an inner circumferential surface of the rotation operation interlocking member and

Abstract: The aperture unit 20 comprises a base plate 21, a drive ring 22, a plurality of aperture blades 23, a drive motor 24, and a drive gear 24a. The plurality of aperture blades 23 are disposed between the base plate 21 and the drive ring 22, and adjust the amount of light passing through by changing the size of an opening 23b through which passes the light passing through an opening 21b. The drive motor 24 rotationally drives the drive ring 22 around the optical axis. The drive ring 22 is engaged in a state of being rotatable around the optical axis relative to the base plate 21 and being substantially immobile in the optical axis direction, further to the outside in the radial direction centered on the optical axis than the plurality of aperture blades 23. When the drive ring 22 is rotated relative to the base plate 21 by the drive motor 24, the plurality of aperture blades 23 are driven open and closed in the gap between the base plate 21 and the drive ring 22.

Abstract: A manually operated ring drive device includes a manually operated ring drive device configured to rotationally drive a manually operated ring that moves a movable lens included in a lens barrel mounted to a camera body back and forth in an optical axis direction, including a drive gear that is provided at a position that makes direct or indirect contact with the manually operated ring configured to change an optical characteristics of the movable lens included in the lens barrel, and configured to rotate while in contact with the manually operated ring to rotate the manually operated ring, a drive unit configured to rotationally drive the drive gear, and a base part that has a surface to which the camera body is connected, and a part on which the drive unit is disposed.

Abstract: An aperture unit includes a base plate, a cover, a plurality of aperture blades, a drive ring, and protrusions. The aperture blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of an opening. The drive ring is disposed between the base plate and the cover, and is rotationally driven when the aperture blades are opened and closed. The protrusions are provided to the drive ring and the cover, respectively, and support the aperture blades in the direction of suppressing upward warpage of the aperture blades in a state in which the aperture blades move in the direction of reducing the size of the opening.

Abstract: An aperture unit comprises a base plate, a cover, a plurality of movable blades, a drive ring, a drive motor, and rotation shafts. The movable blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of the opening by opening and closing operations. The drive ring is disposed between the base plate and the cover, is rotationally driven when the movable blades are opened and closed, and has a plurality of cam pins that move along cam grooves in the movable blades. The cover has protrusions that protrude toward the movable blades along the optical axis direction and restrict the movement of the movable blades in the optical axis direction.

Abstract: A camera system includes a camera body, a lens barrel that is mounted to the camera body and includes at least one movable lens, and a zoom ring drive device that is mounted to the camera body. A first control unit of the camera body controls a second control unit of the lens barrel and a third control unit of the zoom ring drive device so as to move a zoom lens with a DC motor on the basis of information about the characteristic of the zoom lens and an optical characteristic value inputted to an input unit.

Abstract: A lens barrel (10) comprises a fixed frame (30), a main shaft guide (40) that is fixed to the fixed frame, a movable frame (33) that moves along the main shaft guide (40), a driver (magnet (32), drive coil (33c)) that moves the movable frame (33) relatively with respect to the fixed frame (30) along the main shaft guide (40), and a vibration imparting unit (36) that imparts vibration to the main shaft guide (40).

Abstract: An aperture unit (20) comprises an aperture cover (22), an aperture base (27), and a light shielding portion (24). The aperture cover (22) has an opening (22a) through which light passes. The aperture base (27) is disposed on the downstream side of the aperture cover (22) in the light incidence direction, and has an opening (27a) through which light passes. The light shielding portion (24) is disposed between the aperture cover (22) and the aperture base (27), and has an opening (24d) through which the light that passed through the opening (22a) passes, and a plurality of opaque aperture stop blades (24a, 24b, 24c) that are formed from a polyimide resin and vary the size of the opening (24d).

Abstract: A lens barrel (10) comprises a fixed frame (30), a main shaft guide (40) that is fixed to the fixed frame, a movable frame (33) that moves along the main shaft guide (40), a driver (magnet (32), drive coil (33c)) that moves the movable frame (33) relatively with respect to the fixed frame (30) along the main shaft guide (40), and a vibration imparting unit (36) that imparts vibration to the main shaft guide (40).

Abstract: An aperture unit (20) comprises an aperture cover (22), an aperture base (27), and a light shielding portion (24). The aperture cover (22) has an opening (22a) through which light passes. The aperture base (27) is disposed on the downstream side of the aperture cover (22) in the light incidence direction, and has an opening (27a) through which light passes. The light shielding portion (24) is disposed between the aperture cover (22) and the aperture base (27), and has an opening (24d) through which the light that passed through the opening (22a) passes, and a plurality of opaque aperture stop blades (24a, 24b, 24c) that are formed from a polyimide resin and vary the size of the opening (24d).

Abstract: An aperture unit includes a base plate, a cover, a plurality of aperture blades, a drive ring, and protrusions. The aperture blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of an opening. The drive ring is disposed between the base plate and the cover, and is rotationally driven when the aperture blades are opened and closed. The protrusions are provided to the drive ring and the cover, respectively, and support the aperture blades in the direction of suppressing upward warpage of the aperture blades in a state in which the aperture blades move in the direction of reducing the size of the opening.

Abstract: Lens barrel according to the present exemplary embodiment is provided with lens unit, stationary frame, focus ring, focus grip, and a fixing section. Lens unit has an optical system. Stationary frame supports lens unit to be movable in a direction of optical axis X of the optical system. Focus ring is disposed on an outer circumferential side of lens unit, and is rotated when focus adjustment is manually performed. Focus grip is provided to protrude outwardly from focus ring, and operated for rotating focus ring. The fixing section fixes focus ring to stationary frame when focus adjustment is automatically performed. The fixing section has fixing button which is disposed on focus grip and operated for fixing focus ring to stationary frame.

Abstract: A lens barrel includes at least one lens, the optical axis of the lens; the first frame (the fixed frame 900) having the first restricting portion (901, 902) and having an approximately cylindrical shape about the optical axis; the second frame (1000) having the cam groove (1036) and having an approximately cylindrical shape about the optical axis; the third frame (510) having the guide portion (511) which restricts inclination thereof with respect to the first contact portion (514) and the optical axis and having an approximately cylindrical shape about the optical axis; the drive arm (520) having a cam follower (523), the second restricting portion (524, 525) and the second contact portion (526), and having an approximately arcuate shape constituted of a portion of a circular cylinder about the optical axis or an approximately plate shape; the guide shaft (601) for guiding the guide in a movable manner in the optical axis direction; and the spring (603).

Abstract: The lens barrel includes an imaging optical system comprising at least a first lens, a plate-shaped protection glass which is disposed closer to a subject side than the first lens and has light transmission, and an annular ring part provided on the outer circumferential edge of the surface of the protection glass facing the subject side.

Abstract: A lens barrel includes a first frame body, a second frame body, a support frame, and a retracting lens frame. The support frame is supported by the second frame body and moves with respect to the second frame body within a first plane for image blur correction in an imaging enabled state, the first plane being perpendicular to an optical axis. The retracting lens frame moves around a retraction shaft during a transition period between an imaging enabled state and a housed state, the retraction shaft being substantially parallel to the optical axis. The support frame has a protrusion which comes into contact with a groove included in the first frame body and restricts a movable range of the support frame in the first plane and a second plane that is parallel to the first plane.

Abstract: A lens barrel in which a lens can be moved in a direction parallel to an optical axis includes: a first frame having a cam follower and a cam follower base that holds the cam follower; and a second frame that has a cam groove engageable with the cam follower. The first frame and the second frame are moved relatively to each other along the optical axis. The cam follower base has a first end connected to the main body of the first frame via at least one thin portion, and a second end not connected to the main body. The thin portion is formed such that a thickness of the thin portion in a radial direction of the lens barrel is smaller than that of the cam follower base.