# US 12,601,963 B2 · External electric adjusting module and lens device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,601,963 B2 - Document ID: US12601963B2 - Status: Granted - Kind: B2 - Application number: 18/407,305 - Filed: 2024-01-08 - Published: 2024-08-15 - Granted: 2026-04-14 - Earliest claimed: 2023-02-10 - Assignees: Qisda Corporation - Applicants: Qisda Corporation - Inventors: Hsin-Jung Yeh; Chun Ming Shen; Sheng-Wen Hu; Hsin-Liang Chen - Web page: https://patentgrep.com/patent/US12601963B2 ## CPC - G03B 21/142: {Adjusting of projection optics} - G02B 7/04: with mechanism for focusing or varying magnification - G03B 5/06: Swinging lens about normal to the optical axis - G03B: APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR (optical parts of such apparatus G02B; photosensitive materials or processes for photographic purposes G03C; apparatus for processing exposed photographic materials G03D) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract An external electric adjusting module adapted for being externally connected to a lens includes a bracket including a first positioning portion, a gear set, a driving assembly driving the gear set to operate, and a variable resistance rotating member. The gear set is rotatably disposed on the bracket, is adapted for being externally connected to the lens, and includes a second positioning portion, a rotating shaft, and a first driving portion located on the rotating shaft. The variable resistance rotating member is sleeved on the rotating shaft, is electrically connected to the driving assembly, and includes a second driving portion corresponding to the first driving portion to be linked with the rotating shaft. When the gear set is located at an initial position together with the lens, the first and second positioning portions are aligned with each other, and the second driving portion abuts against the first driving portion. ## Claims ### Claim 1 An external electric adjusting module adapted for being externally connected to a lens, wherein the external electric adjusting module comprises: a bracket comprising a first positioning portion; a gear set rotatably disposed on the bracket and adapted for being externally connected to the lens, wherein the gear set comprises a second positioning portion, a rotating shaft, and a first driving portion located on the rotating shaft; a driving assembly driving the gear set to operate; and a variable resistance rotating member sleeved on the rotating shaft and electrically connected to the driving assembly, wherein the variable resistance rotating member comprises a second driving portion corresponding to the first driving portion to be linked with the rotating shaft, wherein when the gear set is located at an initial position together with the lens, the first positioning portion and the second positioning portion are aligned with each other, and the second driving portion abuts against the first driving portion. ### Claim 2 (depends on 1) The external electric adjusting module according to claim 1, wherein the driving assembly drives the gear set when being actuated, the first positioning portion and the second positioning portion are staggered, and the variable resistance rotating member is driven by the gear set to rotate. ### Claim 3 (depends on 1) The external electric adjusting module according to claim 1, further comprising a controller electrically connected to the driving assembly and the variable resistance rotating member, and the controller controls the driving assembly according to rotation angle information of the variable resistance rotating member, so that a rotation angle of the lens is limited within a range. ### Claim 4 (depends on 1) The external electric adjusting module according to claim 1, wherein the gear set comprises a first gear and a rack meshed with each other, the rotating shaft is located on the first gear, and the rack is adapted for being fixed to the lens. ### Claim 5 (depends on 4) The external electric adjusting module according to claim 4, wherein the gear set comprises a second gear meshed with the first gear, and the driving assembly is linked with the second gear. ### Claim 6 (depends on 5) The external electric adjusting module according to claim 5, wherein a radius of the second gear is smaller than a radius of the first gear, the rack is in an arc shape, and a radius of the arc is greater than the radius of the first gear. ### Claim 7 (depends on 4) The external electric adjusting module according to claim 4, wherein the bracket further comprises a stopper, the rack is located between the stopper and the first gear, and the rack abuts against the stopper. ### Claim 8 (depends on 1) The external electric adjusting module according to claim 1, further comprising a circuit board and a variable resistance fixing member disposed on the circuit board, wherein the variable resistance rotating member is rotatably disposed on the variable resistance fixing member. ### Claim 9 (depends on 1) The external electric adjusting module according to claim 1, wherein the first positioning portion and the second positioning portion are two holes adapted for a positioning pin to be inserted into for positioning in the initial position. ### Claim 10 (depends on 1) The external electric adjusting module according to claim 1, wherein the rotating shaft comprises a first arc surface and a first chord surface, the first driving portion is the first chord surface, the second driving portion abuts against the first chord surface to be driven by the first driving portion, the second driving portion comprises a second arc surface and a second chord surface, and the second chord surface abuts against the first chord surface. ### Claim 11 A lens device, comprising: a lens; and an external electric adjusting module detachably and externally connected to the lens, wherein the external electric adjusting module comprises: a bracket comprising a first positioning portion; a gear set rotatably disposed on the bracket and adapted for being externally connected to the lens, wherein the gear set comprises a second positioning portion, a rotating shaft, and a first driving portion located on the rotating shaft; a driving assembly driving the gear set to operate; and a variable resistance rotating member sleeved on the rotating shaft and electrically connected to the driving assembly, wherein the variable resistance rotating member comprises a second driving portion corresponding to the first driving portion to be linked with the rotating shaft, wherein when the gear set is located at an initial position together with the lens, the first positioning portion and the second positioning portion are aligned with each other, and the second driving portion abuts against the first driving portion. ### Claim 12 (depends on 11) The lens device according to claim 11, wherein the driving assembly drives the gear set when being actuated, the first positioning portion and the second positioning portion are staggered, and the variable resistance rotating member is driven by the gear set to rotate. ### Claim 13 (depends on 11) The lens device according to claim 11, wherein the external electric adjusting module further comprises a controller electrically connected to the driving assembly and the variable resistance rotating member, and the controller controls the driving assembly according to rotation angle information of the variable resistance rotating member, so that a rotation angle of the lens is limited within a range. ### Claim 14 (depends on 11) The lens device according to claim 11, wherein the gear set comprises a first gear and a rack meshed with each other, the rotating shaft is located on the first gear, and the rack is adapted for being fixed to the lens. ### Claim 15 (depends on 14) The lens device according to claim 14, wherein the gear set comprises a second gear meshed with the first gear, and the driving assembly is linked with the second gear. ### Claim 16 (depends on 15) The lens device according to claim 15, wherein a radius of the second gear is smaller than a radius of the first gear, the rack is in an arc shape, and a radius of the arc is greater than the radius of the first gear. ### Claim 17 (depends on 14) The lens device according to claim 14, wherein the bracket further comprises a stopper, the rack is located between the stopper and the first gear, and the rack abuts against the stopper. ### Claim 18 (depends on 11) The lens device according to claim 11, wherein the external electric adjusting module further comprises a circuit board and a variable resistance fixing member disposed on the circuit board, wherein the variable resistance rotating member is rotatably disposed on the variable resistance fixing member. ### Claim 19 (depends on 11) The lens device according to claim 11, wherein the first positioning portion and the second positioning portion are two holes adapted for a positioning pin to be inserted into for positioning in the initial position. ### Claim 20 (depends on 11) The lens device according to claim 11, wherein the rotating shaft comprises a first arc surface and a first chord surface, the first driving portion is the first chord surface, the second driving portion abuts against the first chord surface to be driven by the first driving portion, the second driving portion comprises a second arc surface and a second chord surface, and the second chord surface abuts against the first chord surface.