# US 10,484,584 B2 · System and method for mobile device biometric add-on > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,484,584 B2 - Document ID: US10484584B2 - Status: Granted - Kind: B2 - Application number: 15/531,922 - Filed: 2015-11-17 - Published: 2017-11-30 - Granted: 2019-11-19 - Earliest claimed: 2014-12-03 - Assignees: Princeton Identity, Inc. - Applicants: Princeton Identity, Inc. - Inventors: Steven N. Perna; Barry E. Mapen; David Alan Ackerman - Web page: https://patentgrep.com/patent/US10484584B2 ## CPC - G06F 21/32: using biometric data, e.g. fingerprints, iris scans or voiceprints - G02B 13/0065: {having a beam-folding prism or mirror} - G06V 40/19: Sensors therefor - G06V 40/197: {Matching; Classification} - H04M 1/0264: {for a camera module assembly} - H04N 23/56: provided with illuminating means - H04N 23/611: where the recognised objects include parts of the human body - G02B 5/122: cube corner, trihedral or triple reflector type - H04L 63/083: {using passwords (cryptographic mechanisms or cryptographic arrangements for entity authentication using a predetermined code H04L9/3226)} - H04M 1/0254: {comprising one or a plurality of mechanically detachable modules} - H04M 1/67: by electronic means - H04M 2250/52: including functional features of a camera - H04W 12/06: Authentication - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS - G06V: IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract A method of operating a device to obtain biometric information from a subject includes the step of orienting a device relative to a subject such that a first portion of the device faces the subject, wherein a second portion of the mobile device comprises a camera, the first and second portions being different sides of the device. The method may further includes the steps of operating an optical assembly that is movably coupled to the device, the optical assembly being configured to modify an optical pathway of at least the camera in a direction of the subject and acquiring imaging data of the subject using the camera. The method may further includes the steps of analyzing the acquired imaging data to generate biometric information corresponding to the subject and generating a report using the biometric information. ## Claims ### Claim 1 A method for operating a device to obtain biometric information from a subject, the method comprising: orienting a device relative to a subject with a first portion of the device facing the subject, wherein a second portion of the device comprises a camera and an illuminator, the first and second portions being different sides of the device; operating an optical assembly that is movably coupled to the device by a base, the base comprising a housing rotatable relative to the base, the housing at least partially enclosing the optical assembly, and the optical assembly comprising two passive optical elements separated by a housing surface of the housing, a first passive optical element of the two passive optical elements corresponding with the camera of the device, and a second passive optical element of the two passive optical elements corresponding with the illuminator of the device, each of the first and second passive optical elements including two reflective surfaces, a first reflective surface of the two reflective surfaces angled more steeply than a second reflective surface of the two reflective surfaces, the two reflective surfaces of the first passive optical element configured to modify an optical pathway of the camera in a direction of the subject by about 180 degrees, and the two reflective surfaces of the second passive optical element configured to modify a pathway of the illuminator in a direction of the subject by about 180 degrees; acquiring imaging data of the subject using the camera; and analyzing the acquired imaging data to generate biometric information corresponding to the subject. ### Claim 2 (depends on 1) The method of claim 1, wherein the method further comprises activating the illuminator located on the second portion of the device. ### Claim 3 (depends on 2) The method of claim 2, wherein the illuminator comprises at least one near infrared light source. ### Claim 4 (depends on 2) The method of claim 2, wherein the illuminator is configured to produce a pulsing or strobe illumination operation above continuous wave safe eye limits. ### Claim 5 (depends on 1) The method of claim 1, wherein the method further comprises performing a subject identification using the biometric information. ### Claim 6 (depends on 5) The method of claim 5, wherein the subject identification includes comparing the acquired imaging data with a reference. ### Claim 7 (depends on 5) The method of claim 5, wherein the method further comprises determining an access based on the subject identification. ### Claim 8 (depends on 1) The method of claim 1, wherein the method further comprises receiving a signal from one or more proximity sensors configured on the device identifying a position of the optical assembly relative to the device. ### Claim 9 (depends on 1) The method of claim 1, wherein the device is a mobile device. ### Claim 10 A holder for a mobile device, the holder comprising: a base attachable to the mobile device; a housing rotatable relative to the base; and an optical assembly movably coupled to the base, configured to pivot about an axis relative to the base, and at least partially enclosed by the housing, the optical assembly comprising: two passive optical elements separated by a housing surface of the housing, a first passive optical element of the two passive optical elements corresponding with a camera of the mobile device, and a second passive optical element of the two passive optical elements corresponding with an illuminator of the mobile device, each of the first and second passive optical elements including two reflective surfaces, a first reflective surface of the two reflective surfaces angled more steeply than a second reflective surface of the two reflective surfaces, the two reflective surfaces of the first passive optical element configured to modify an optical pathway of the camera affixed to a portion of the mobile device by about 180 degrees, and the two reflective surfaces of the second passive optical element configured to modify a pathway of the illuminator of the mobile device by about 180 degrees; and a housing at least partially enclosing the single passive optical element. ### Claim 11 (depends on 10) The holder of claim 10, wherein each of the two passive optical elements includes a prism. ### Claim 12 (depends on 10) The holder of claim 10, wherein the base is attachable along a top portion of the mobile device. ### Claim 13 (depends on 10) The holder of claim 10, wherein the base is attachable along at least one of a periphery or a peripheral surface of the mobile device. ### Claim 14 (depends on 10) The holder of claim 10, wherein the optical assembly is configured to independently bring into contact each of the two passive optical elements and the mobile device. ### Claim 15 (depends on 14) The holder of claim 14, wherein the holder further comprises a locking mechanism for maintaining the contact. ### Claim 16 (depends on 10) The holder of claim 10, wherein the housing further includes at least one sensor surface configured for affecting signals generated by one or more proximity sensors configured on the mobile device. ### Claim 17 (depends on 10) The holder of claim 10, wherein the two passive optical elements are rotatable relative to the base along an axis extending transverse to the two passive optical elements. ### Claim 18 (depends on 10) The holder of claim 10, wherein the first passive optical element is rotatable relative to the base such that in a first position the first passive optical element is in contact with the camera of the mobile device, and in a second position the camera of the mobile device is unobstructed by the first passive optical element and the first passive optical element remains rotatably coupled to the base, and wherein the second passive optical element is rotatable relative to the base such that in a first position the second passive optical element is in contact with the illuminator of the mobile device, and in a second position the illuminator of the mobile device is unobstructed by the second passive optical element and the second passive optical element remains rotatably coupled to the base. ### Claim 19 A method for operating a mobile device having a camera and an illuminator, the method comprising: orienting a mobile device relative to a subject with a first portion of the mobile device facing the subject, wherein a second portion of the device comprises a camera and an illuminator, the first and second portions being on opposite sides of the mobile device; operating an optical assembly that is movably coupled to the mobile device by a base, the base comprising a housing rotatable relative to the base, the housing at least partially enclosing the optical assembly, and the optical assembly comprising two passive optical elements separated by a housing surface of the housing, a first passive optical element of the two passive optical elements corresponding with the camera of the device, and a second passive optical element of the two passive optical elements corresponding with the illuminator of the device, each of the first and second passive optical elements including two reflective surfaces, a first reflective surface of the two reflective surfaces angled more steeply than a second reflective surface of the two reflective surfaces, the two reflective surfaces of the first passive optical element configured to modify an optical pathway of the camera in a direction of the subject by about 180 degrees, and the two reflective surfaces of the second passive optical element configured to modify a pathway of the illuminator in a direction of the subject by about 180 degrees; and acquiring imaging data of the subject using the camera. ### Claim 20 (depends on 19) The method of claim 19, wherein the method further comprises activating the illuminator located on the second portion of the device and the illuminator includes at least one near infrared light source.