# US 12,181,683 B2 · Optical system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,181,683 B2 - Document ID: US12181683B2 - Status: Granted - Kind: B2 - Application number: 18/467,260 - Filed: 2023-09-14 - Published: 2024-03-21 - Granted: 2024-12-31 - Earliest claimed: 2022-09-15 - Assignees: TDK Taiwan Corp. - Applicants: TDK Taiwan Corp. - Inventors: Chih-Wei Weng; Chao-Chang Hu - Web page: https://patentgrep.com/patent/US12181683B2 ## CPC - G02B 27/0176: {characterised by mechanical features} - G02B 6/0006: {Coupling light into the fibre (in general G02B6/4298)} - G02B 6/0028: {Light guide, e.g. taper} - G02B 7/08: adapted to co-operate with a remote control mechanism - G02B 7/36: using image sharpness techniques {, e.g. image processing techniques for generating autofocus signals (image data processing per se G06T; in cameras having a solid state image sensor H04N23/67)} - G02B 27/01: Head-up displays - G02B 27/0172: {characterised by optical features} - G02B 27/0179: {Display position adjusting means not related to the information to be displayed} - 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)} - G03B 5/00: Adjustment of optical system relative to image or object surface other than for focusing - G03B 30/00: Camera modules comprising integrated lens units and imaging units, specially adapted for being embedded in other devices, e.g. mobile phones or vehicles - G06F 3/013: {Eye tracking input arrangements (G06F3/015 takes precedence)} - G09G 3/001: {using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background (slide projectors per se G03B23/00 = 42 HP)} - H01F 7/081: {Magnetic constructions} - H04N 23/00: Cameras or camera modules comprising electronic image sensors; Control thereof - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - H04N 23/55: Optical parts specially adapted for electronic image sensors; Mounting thereof - H04N 23/6812: {based on additional sensors, e.g. acceleration sensors} - G02B 2027/0112: {comprising device for genereting colour display} - G02B 2027/0138: {comprising image capture systems, e.g. camera} - G02B 2027/015: {involving arrangement aiming to get less bulky devices} - G02B 2027/0159: {with mechanical means other than scaning means for positioning the whole image} - G02B 2027/0178: {Eyeglass type (eyeglass details G02C)} - G02B 2027/0187: {slaved to motion of at least a part of the body of the user, e.g. head, eye} - G02B 2207/101: Nanooptics - G03B 2205/0076: using shape memory alloys - G09G 2354/00: Aspects of interface with display user - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - 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) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - H01F: MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An optical system is provided. The optical system includes a light source used for generating light, a fixed portion, an optical assembly having an equivalent focal length to the light and including a first optical element and a second optical element, and a driving assembly used for driving the second optical element to move relative to the first optical element. The driving assembly includes a first driving element used for driving the second optical element to move relative to the first optical element in a first axis, and a second driving element used for driving the second optical element to move relative to the first optical element in a second axis. The first axis and the second axis are different. ## Claims ### Claim 1 An optical system, comprising: a light source used for generating light; a fixed portion; an optical assembly having an equivalent focal length to the light and comprising a first optical element and a second optical element; and a driving assembly used for driving the second optical element to move relative to the first optical element, comprising: a first driving element used for driving the second optical element to move relative to the first optical element in a first axis; a second driving element used for driving the second optical element to move relative to the first optical element in a second axis; and a guiding assembly disposed on the second optical element and comprising a first guiding element and a second guiding element; wherein: the first axis and the second axis are different; the second optical element is polygonal; the second optical element comprises a first side, a second side, a third side, and a fourth side; the first side and the second side are adjacent; the second side and the third side are adjacent; the third side and the fourth side are adjacent; the fourth side and the first side are adjacent; the first guiding element is disposed on the first side; the second guiding element is disposed on the second side. ### Claim 2 (depends on 1) The optical system as claimed in claim 1, wherein: the first driving element is disposed on the fourth side; the second driving element is disposed on the third side. ### Claim 3 (depends on 2) The optical system as claimed in claim 2, wherein: the first guiding element is disposed on a first corner of the second optical element; the second guiding element is disposed on the first corner. ### Claim 4 (depends on 3) The optical system as claimed in claim 3, wherein: the first driving element is disposed on a second corner of the second optical element; the second driving element is disposed on the second corner; the first corner and the second corner are different. ### Claim 5 (depends on 4) The optical system as claimed in claim 4, wherein: the first guiding element extends along the first axis; the second guiding element extends along the second axis. ### Claim 6 (depends on 5) The optical system as claimed in claim 5, further comprising a buffering assembly disposed between the first optical element and the second optical element; wherein: the buffering assembly comprises a first buffering element and a second buffering element disposed on the first corner and the second corner, respectively. ### Claim 7 (depends on 6) The optical system as claimed in claim 6, wherein the first buffering element and the second buffering element comprise elastic material. ### Claim 8 (depends on 7) The optical system as claimed in claim 7, further comprising a locking assembly used for fixing the second optical element and disposed on a third corner of the second optical element. ### Claim 9 (depends on 8) The optical system as claimed in claim 8, wherein: the first corner and the third corner are different; the second corner and the third corner are different; the locking assembly is disposed on the second side. ### Claim 10 (depends on 9) The optical system as claimed in claim 9, wherein: the locking assembly comprises a locking element and a locking connection element; the locking connection element is fixed on the second optical element; the locking element is disposed on the locking connection element. ### Claim 11 (depends on 10) The optical system as claimed in claim 10, wherein: the locking assembly allows the second optical element to move relative to the locking assembly when the driving assembly is in operation; the locking assembly is fixed on the second optical element when the driving assembly is not in operation. ### Claim 12 (depends on 11) The optical system as claimed in claim 11, wherein: the first driving element is disposed on the second optical element and used for driving the second optical element to move in the first axis; the second driving element is disposed on the first driving element and used for driving the first driving element and the second optical element to move together in the second axis. ### Claim 13 (depends on 12) The optical system as claimed in claim 12, wherein: the first optical element and the second optical element are arranged in a third axis; the first axis and the third axis are different; the second axis and the third axis are different. ### Claim 14 (depends on 13) The optical system as claimed in claim 13, wherein: the first driving element comprises a piezoelectric element; the second driving element comprises a piezoelectric element; the first axis and the third axis are perpendicular; the second axis and the third axis are perpendicular. ### Claim 15 (depends on 14) The optical system as claimed in claim 14, further comprising a sensing assembly, wherein: the sensing assembly comprises a first sensing element, a second sensing element, and a third sensing element; the first sensing element and the second sensing element are disposed on different sides of the second optical element; the first sensing element and the third sensing element are disposed on different sides of the second optical element. ### Claim 16 (depends on 15) The optical system as claimed in claim 15, wherein the second sensing element and the third sensing element are disposed on different sides of the second optical element. ### Claim 17 An optical system, comprising: a light source used for generating light; a fixed portion; an optical assembly having an equivalent focal length to the light and comprising a first optical element and a second optical element; and a driving assembly used for driving the second optical element to move relative to the first optical element, comprising: a first driving element used for driving the second optical element to move relative to the first optical element in a first axis; and a second driving element used for driving the second optical element to move relative to the first optical element in a second axis; wherein: the first axis and the second axis are different; the first driving element comprises a shape memory alloy; the second driving element comprises a shape memory alloy; the first driving element comprises a first driving unit and a second driving unit; the second driving element comprises a third driving unit and a fourth driving unit; the second optical element comprises a first side, a second side, a third side, and a fourth side; the first side and the second side are adjacent; the second side and the third side are adjacent; the third side and the fourth side are adjacent; the fourth side and the first side are adjacent; the first driving element is disposed on the first side; the second driving element is disposed on the third side; the third driving element is disposed on the second side; the fourth driving element is disposed on the fourth side. ### Claim 18 (depends on 17) The optical system as claimed in claim 17, further comprising a resilient element connecting to the driving assembly; wherein the resilient element is disposed between the fixed portion and the second optical element.