# US 2017/0285231 A1 · Camera Assembly For Use On A Vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2017/0285231 A1 - Document ID: US20170285231A1 - Status: Published application - Kind: A1 - Application number: 15/084,880 - Filed: 2016-03-30 - Published: 2017-10-05 - Earliest claimed: 2016-03-30 - Assignees: Delphi Technologies, Inc. - Applicants: Delphi Technologies, Inc. - Inventors: Yew Kwang Low - Web page: https://patentgrep.com/patent/US20170285231A1 ## CPC - G02B 5/208: {for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation} - G02B 3/0043: {Inhomogeneous or irregular arrays, e.g. varying shape, size, height} - G02B 3/0062: {Stacked lens arrays, i.e. refractive surfaces arranged in at least two planes, without structurally separate optical elements in-between} - G02B 9/34: having four components only - G02B 13/002: {having at least one aspherical surface} - G02B 13/004: {having four lenses} - G02B 13/006: {at least one element being a compound optical element, e.g. cemented elements} - H04N 23/50: Constructional details - H04N 23/51: Housings - H04N 23/54: Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils - G02B 5/282: {reflecting for infrared and transparent for visible light, e.g. heat reflectors, laser protection} - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract An illustrative example camera assembly includes a sensor. An infrared cut filter is situated to filter radiation as the radiation approaches the sensor. A plurality of lens elements is situated between the sensor and the infrared cut filter. ## Claims ### Claim 1 A camera assembly, comprising: a sensor; an infrared cut filter situated to filter radiation as the radiation approaches the sensor; and a plurality of lens elements situated between the sensor and the infrared cut filter, wherein the plurality of lens elements comprise one doublet lens element including a convex lens portion and a concave lens portion, the doublet lens element providing color correction, and the doublet lens element is further from the sensor than at least one other of the plurality of lens elements. ### Claim 2 (depends on 1) The camera assembly of claim 1, comprising an aperture stop and wherein the plurality of lens elements are situated between the aperture stop and the sensor; and the infrared cut filter is situated near the aperture stop. ### Claim at position 3 3-4. (canceled) ### Claim 5 A camera assembly, comprising: a sensor; an infrared cut filter situated to filter radiation as the radiation approaches the sensor; and a plurality of lens elements situated between the sensor and the infrared cut filter, wherein the plurality of lens elements comprise one doublet lens element including a convex lens portion and a concave lens portion, the doublet lens element providing color correction, wherein the plurality of lens elements includes a convex lens and a meniscus lens; and the convex lens and the meniscus lens are between the doublet element and the sensor. ### Claim 6 A camera assembly, comprising: a sensor; an infrared cut filter situated to filter radiation as the radiation approaches the sensor; and a plurality of lens elements situated between the sensor and the infrared cut filter, wherein the infrared cut filter is a flat side of a plano-convex lens element; the flat side faces toward the sensor; and a convex side of the plano-convex lens element faces away from the sensor. ### Claim 7 (depends on 6) The camera assembly of claim 6, wherein the plano-convex lens element is a forward-most lens element of the camera. ### Claim 8 (depends on 1) The camera assembly of claim 1, comprising a housing that supports the infrared cut filter and the plurality of lens elements; a printed circuit board substrate; and wherein the housing and the sensor are secured to the printed circuit board substrate using a surface mount technique. ### Claim 9 A camera assembly, comprising: a sensor; an infrared cut filter situated to filter radiation as the radiation approaches the sensor; a plurality of lens elements situated between the sensor and the infrared cut filter; a front lens; and wherein the infrared cut filter is situated between a forward most surface of the front lens and the plurality of lens elements; the camera assembly has a total track length between the forward most surface of the front lens and the sensor; and the total track length is less than 10 mm. ### Claim 10 A camera assembly, comprising: a sensor; an infrared cut filter situated to filter radiation as the radiation approaches the sensor; and a plurality of lens elements situated between the sensor and the infrared cut filter, wherein one of the plurality of lens elements is closer to the sensor than others of the plurality of lens elements; and a back focal distance between the sensor and the one of the plurality of lens elements is less than 1.0 mm. ### Claim 11 (depends on 10) The camera assembly of claim 10, wherein the back focal distance is approximately 0.7 mm. ### Claim 12 (depends on 1) The camera assembly of claim 1, wherein the plurality of lens elements has only 2 aspherical surfaces. ### Claim 13 (depends on 1) The camera assembly of claim 1, wherein the sensor is configured to detect radiation in the visible light spectrum. ### Claim 14 (canceled) ### Claim 15 A method of making a camera assembly, the method comprising: supporting a plurality of lens elements within a housing; positioning a sensor near one end of the housing; positioning an infrared cut filter near an opposite end of the housing with the plurality of lens elements between the infrared cut filter and the sensor; situating the sensor adjacent a circuit board substrate; securing the sensor and the housing to the circuit board substrate using a surface mount technique; positioning a front lens near the infrared cut filter with the infrared cut filter between a forward most surface of the front lens and the plurality of lens elements; and wherein the camera assembly has a total track length between the forward most surface of the front lens and the sensor; and the total track length is less than 10 mm. ### Claim 16 A method of making a camera assembly, the method comprising: supporting a plurality of lens elements within a housing; positioning a sensor near one end of the housing; positioning an infrared cut filter near an opposite end of the housing with the plurality of lens elements between the infrared cut filter and the sensor; situating the sensor adjacent a circuit board substrate; and securing the sensor and the housing to the circuit board substrate using a surface mount technique, wherein one of the plurality of lens elements is closer to the sensor than others of the plurality of lens elements; and a back focal distance between the sensor and the one of the plurality of lens elements is less than 1.0 mm. ### Claim 17 (depends on 16) The method of claim 16, wherein the back focal distance is approximately 0.7 mm.