# US 2021/0278569 A1 · Optical device, particularly camera, particularly comprising autofocus and image stabilization > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2021/0278569 A1 - Document ID: US20210278569A1 - Status: Published application - Kind: A1 - Application number: 16/324,921 - Filed: 2017-08-03 - Published: 2021-09-09 - Earliest claimed: 2016-08-12 - Assignees: Optotune Consumer AG - Applicants: Optotune Consumer AG - Inventors: Manuel ASCHWANDEN - Web page: https://patentgrep.com/patent/US20210278569A1 ## CPC - G02B 3/14: of variable focal length - G02B 7/021: {for more than one lens} - G02B 7/09: adapted for automatic focusing or varying magnification - G02B 27/646: {compensating for small deviations, e.g. due to vibration or shake (movement of one or more optical elements for control of motion blur in cameras, projectors or printers G03B2205/0007; image stabilisation in cameras peculiar to the presence or use of an electronic image sensor H04N23/68)} - G02B 7/08: adapted to co-operate with a remote control mechanism - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract The invention relates to an optical device (1), comprising: a first housing section (3), a cover element (20) connected to the first housing section (3), a transparent and elastically expandable membrane (10) which is arranged in said first housing section (3), a container (2) having a volume (V), wherein the membrane (10) forms part of the container (2), and wherein said container (2) is arranged in said first housing section (3), a transparent fluid (F) residing in said volume (V) of the container (2), a lens shaping part (11) that is in contact with the membrane (10) for defining a curvature-adjustable area (10c) of the membrane (10), which area (10c) faces said cover element (20), a circumferential lens barrel (50) that holds at least one rigid lens (51) facing said container (2), wherein the lens barrel is arranged in said first housing section, an image sensor (52) facing the lens barrel and the container (2), a second housing section (4), wherein the image sensor is arranged on the second housing section, and an actuator means (40) that is designed to move the lens barrel with respect to the first housing section (3) in an axial direction so as to exert a force on said membrane via the lens shaping part for adjusting the pressure of the fluid (F) residing inside the volume (V) and therewith a curvature of said area (10c), wherein said axial direction (A) is oriented perpendicular to a plane (P) along which said image sensor (52) extends, and wherein the actuator means (40) is optionally further designed to one of: moving the lens barrel (50) together with the first housing section (3) and said container (2) parallel to said plane (P); tilting the lens barrel (50) with respect to the first housing section (3) about a rotation axis running parallel to said plane (P) so as to exert a force on said membrane (10) via the lens shaping part (11) that deforms the container (2) in order to deflect light traveling through the container (2). ## Claims ### Claim 1 Optical device (1), comprising: a first housing section (3) a cover element (20) connected to the first housing section (3), a transparent and elastically expandable membrane (10) which is arranged in said first housing section (3), a container (2) having a volume (V), wherein the membrane (10) forms part of the container (2), and wherein said container (2) is arranged in said first housing section (3), a transparent fluid (F) residing in said volume (V) of the container (2), a lens shaping part (11) that is in contact with the membrane (10) for defining a curvature-adjustable area (10c) of the membrane (10), which area (10c) faces said cover element (20), a circumferential lens barrel (50) that holds at least one rigid lens (51) facing said container (2), wherein the lens barrel is arranged in said first housing section, an image sensor (52) facing the lens barrel and the container (2), a second housing section (4), wherein the image sensor is arranged on the second housing section, and an actuator means (40) that is designed to move the lens barrel with respect to the first housing section (3) in an axial direction so as to exert a force on said membrane via the lens shaping part for adjusting the pressure of the fluid (F) residing inside the volume (V) and therewith a curvature of said area (10c), wherein said axial direction (A) is oriented perpendicular to a plane (P) along which said image sensor (52) extends. ### Claim 2 (depends on 1) Optical device according to claim 1, characterized in that the actuator means (40) is further designed to one of: moving the lens barrel (50) together with the first housing section (3) and said container (2) parallel to said plane (P); tilting the lens barrel (50) with respect to the first housing section (3) about a rotation axis running parallel to said plane (P) so as to exert a force on said membrane (10) via the lens shaping part (11) that deforms the container (2) in order to deflect light traveling through the container (2). ### Claim 3 (depends on 1, 2) Optical device according to claim 1 or 2, characterized in that the container (2) comprises a circumferential wall member (30) to which said membrane (10) is connected. ### Claim 4 (depends on 3) Optical device according to claim 3, characterized in that the wall member (30) is formed as a bellows comprising at least one circumferential crease (31). ### Claim 5 (depends on 3, 4) Optical device according to claim 3 or 4, characterized in that the lens shaping part (11) is connected to the cover element (20) via the wall member (30). ### Claim 6 Optical device according to one of the preceding claims, characterized that the membrane is connected to the lens barrel wherein the membrane is arranged between the lens barrel and the lens shaping part (11). ### Claim 7 (depends on 1, 2, 3) Optical device according to one of the claims 1 to 3, characterized in that the lens shaping part (11) is connected to the cover element (20), wherein particularly the lens shaping part protrudes from an inside of the cover element (20) towards the membrane (10). ### Claim 8 (depends on 3, 7) Optical device according to claim 3 or according to claim 7 when referring to claim 3, characterized in that the container (2) comprises a rigid transparent element (21) connected to the wall member (30) and facing said membrane (10), wherein said fluid (F) is arranged between the rigid transparent element (21) and the membrane (10). ### Claim 9 (depends on 8) Optical device according to claim 8, characterized in that said rigid transparent element (21) is connected to the lens barrel (50). ### Claim 10 (depends on 8, 9) Optical device according to claim 8 or 9, characterized in that said rigid transparent element (21) forms a lens. ### Claim 11 (depends on 9, 10) Optical device according to claim 9 or 10, characterized in that said rigid transparent element is arranged in a central opening surrounded by the lens barrel (50) and particularly forms a first lens of a lens stack that is arranged in said opening and held by the lens barrel (50). ### Claim 12 (depends on 8, 9, 10, 11) Optical device according to one of the claims 8 to 11, characterized in that said rigid transparent element (21) comprises a protrusion (210) protruding towards said membrane (11). ### Claim 13 (depends on 3, 7) Optical device according to claim 3 or according to claim 7 when referring to claim 3, characterized in that the container (2) comprises a further membrane (100) that is connected to the wall member (30) and faces said membrane (10), wherein said fluid (F) is arranged between the two membranes (10, 100). ### Claim 14 (depends on 13) Optical device according to claim 13, characterized in that the optical device (1) comprises a further lens shaping part (111) that is in contact with the further membrane (100) for defining a curvature-adjustable area (100c) of the further membrane (100), which area (100c) faces the lens barrel (50). ### Claim 15 (depends on 14) Optical device according to claim 14, characterized in that the further lens shaping part (111) is connected to the lens barrel (50) and protrudes from the lens barrel (50) towards the further membrane (100). ### Claim 16 (depends on 13) Optical device according to claim 13, characterized in that the optical device comprises a support member (112) for supporting the wall member (30), which is particularly formed as a support ring, wherein the support member (112) is connected to the lens barrel (50) and protrudes from the lens barrel (50) towards the wall member (30). ### Claim 17 Optical device according to one of the preceding claims, characterized in that for moving the lens barrel (50) along the axial direction (A) and/or for tilting the lens barrel (50), the actuator means (40) comprises at least three magnets (60), and at least three coils (63) for receiving an electrical current, wherein said coils (63) are attached to the lens barrel (50), and wherein the magnets (60) are in proximity to said coils (63). ### Claim 18 Optical device according to one of the preceding claims characterized in that said cover element (20) forms an integral part of a cover element (22) of a housing (23) of a mobile phone (5). ### Claim 19 Optical device according to one of the preceding claims characterized in that said cover element (20) forms a lens. ### Claim 20 Optical device according to one of the preceding claims characterized in that said cover element (20) comprises a protrusion (200) protruding towards said membrane (11).