# US 12,223,026 B2 · User device incorporating multi-sensing sensor device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,223,026 B2 - Document ID: US12223026B2 - Status: Granted - Kind: B2 - Application number: 18/147,089 - Filed: 2022-12-28 - Published: 2023-05-25 - Granted: 2025-02-11 - Earliest claimed: 2018-05-30 - Assignees: Viavi Solutions Inc. - Applicants: VIAVI Solutions Inc. - Inventors: William D. Houck; Markus Bilger - Web page: https://patentgrep.com/patent/US12223026B2 ## CPC - G01J 3/12: Generating the spectrum; Monochromators - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - A61B 5/021: Measuring pressure in heart or blood vessels - A61B 5/02438: {with portable devices, e.g. worn by the patient} - A61B 5/02444: {Details of sensor (A61B5/02427 takes precedence)} - A61B 5/6898: {Portable consumer electronic devices, e.g. music players, telephones, tablet computers} - G01J 3/0272: {Handheld} - G01J 3/42: Absorption spectrometry; Double beam spectrometry; Flicker spectrometry; Reflection spectrometry (beam switching arrangements G01J3/08) - G01N 21/25: Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands - G02B 5/285: {comprising deposited thin solid films (G02B5/281 - G02B5/289 take precedence; multilayered film filters for fibre optic multiplexing G02B6/29361)} - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - A61B 5/0261: {using optical means, e.g. infrared light} - A61B 5/14532: {for measuring glucose, e.g. by tissue impedance measurement} - A61B 5/1455: using optical sensors, e.g. spectral photometrical oximeters - G01J 2003/1226: {Interference filters} - G01J 2003/2826: {Multispectral imaging, e.g. filter imaging} - G01J: MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY (light sources F21, H01J, H01K, H05B; investigating properties of materials by optical means G01N) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G01N: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES (measuring or testing apparatus or processes other than immunoassay, involving enzymes or microorganisms C12M, C12Q) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A device may include a sensor window. The sensor window may include a substrate. The sensor window may include a set of layers disposed onto the substrate. The set of layers may include a first subset of layers of a first refractive index and a second set of layers of a second refractive index different from the first refractive index. The set of layers may be associated with a threshold transmissivity in a sensing spectral range, and may be configured to a particular color in a visible spectral range and associated with a threshold opacity in the visible spectral range. The device may include a spectral sensor device aligned to the sensor window and including at least one sensor element to receive light in the sensing spectral range and provide a plurality of sensing functionalities based on at least one measurement of the light in the sensing spectral range. ## Claims ### Claim 1 A system for a user device, comprising: a single sensor device configured to perform a health monitoring functionality and a security functionality; and an optical filter comprising a plurality of layers, wherein thicknesses of the plurality of layers cause different wavelengths of light to be directed to different sensor elements of the single sensor device, wherein the single sensor device is a single multispectral sensor configured to perform the health monitoring functionality and the security functionality based on the different wavelengths of light, wherein, to perform the security functionality, the single sensor device is configured to: perform the security functionality using a subcutaneous identification technique, and wherein, to perform the health monitoring functionality, the single sensor device is configured to: perform the health monitoring functionality based on measurements of one or more wavelengths of light reflected. ### Claim 2 (depends on 1) The system of claim 1, further comprising: a sensor window that is opaque in a visible spectral range and transmissive in a sensing spectral range. ### Claim 3 (depends on 2) The system of claim 2, wherein the sensing spectral range is a near-infrared spectral range or a mid-infrared spectral range. ### Claim 4 (depends on 1) The system of claim 1, further comprising: a sensor window configured to be a particular color, in a visible spectral range, that matches an adjacent surface of the user device and conceals the single sensor device. ### Claim 5 (depends on 1) The system of claim 1, further comprising: a sensor window configured to protect the single sensor device from an external environment. ### Claim 6 (depends on 1) The system of claim 1, wherein, to perform the security functionality using the subcutaneous identification technique, the single sensor device is configured to: transmit near-infrared light through a sensor window; and determine a biometric authentication based on a tissue structure in a finger of a hand. ### Claim 7 (depends on 6) The system of claim 6, wherein, to determine the biometric authentication, the single sensor device is configured to: receive a portion of the near-infrared light reflected off one or more of capillaries or veins in the finger; determine a vascular structure in the finger based on receiving the portion of the near-infrared light; and determine the biometric authentication based on the vascular structure, wherein the tissue structure is the vascular structure. ### Claim 8 (depends on 1) The system of claim 1, wherein the subcutaneous identification technique comprises sensing to a penetration depth of greater than 0.1 microns. ### Claim 9 (depends on 1) The system of claim 1, wherein the single sensor device is further configured to perform a spectroscopic classification or quantification using measurements of near-infrared light. ### Claim 10 (depends on 1) The system of claim 1, wherein the single sensor device is further configured to: provide, based on performing the security functionality and performing the health monitoring functionality, information indicating that a fingerprint was from a person and not an artificial imprint. ### Claim 11 A method, comprising: performing, by a single sensor device that is one of a plurality of components of a user device, a security functionality using a subcutaneous identification technique based on one or more first wavelengths of light received at the single sensor device, wherein the user device comprises an optical filter comprising a plurality of layers, and wherein thicknesses of the plurality of layers cause different wavelengths of light to be directed to different sensor elements of the single sensor device; transmitting, by the single sensor device, a near-infrared light toward a hand of a user; receiving, by the single sensor device, reflected light based on transmitting near-infrared light toward the hand; and detecting, by the single sensor device, a health parameter of the user based on measurements of one or more second wavelengths of the reflected light. ### Claim 12 (depends on 11) The method of claim 11, wherein the health parameter is a heart rate. ### Claim 13 (depends on 11) The method of claim 11, further comprising: performing a liveness determination based on the health parameter; and automatically unlocking a user interface of the user device, associated with the single sensor device, based on performing the security functionality and the liveness determination. ### Claim 14 (depends on 11) The method of claim 11, further comprising: automatically altering a layout of a screen or one or more preferences of the user device, associated with the single sensor device, based on performing the security functionality and a liveness determination. ### Claim 15 (depends on 1) The system of claim 1, wherein the subcutaneous identification technique comprises sensing to a penetration depth of greater than 5 microns. ### Claim 16 A user device, comprising: a display; a single sensor device disposed behind the display and configured to perform multiple different sensing functionalities, wherein the multiple different sensing functionalities include one or more of: a security functionality, a health monitoring functionality, or a liveness determination; and an optical filter comprising a plurality of layers, wherein thicknesses of the plurality of layers cause different wavelengths of light to be directed to different sensor elements of the single sensor device, and wherein the single sensor device is configured to perform the multiple different sensing functionalities based on the different wavelengths of light. ### Claim 17 (depends on 16) The user device of claim 16, wherein, to perform the multiple different sensing functionalities, the single sensor device is configured to: perform the security functionality using a subcutaneous identification technique. ### Claim 18 (depends on 16) The user device of claim 16, wherein, to perform the multiple different sensing functionalities, the single sensor device is configured to: perform the health monitoring functionality based on measurements of one or more wavelengths of light reflected from a hand. ### Claim 19 (depends on 16) The user device of claim 16, wherein, to perform the multiple different sensing functionalities, the single sensor device is configured to: perform the liveness determination based on a heart rate. ### Claim 20 (depends on 16) The user device of claim 16, wherein the display is configured to provide, for display and based on the liveness determination, information that indicates that liveness is confirmed.