# US 10,244,950 B2 · Biological information detection apparatus and method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,244,950 B2 - Document ID: US10244950B2 - Status: Granted - Kind: B2 - Application number: 14/799,782 - Filed: 2015-07-15 - Published: 2016-01-21 - Granted: 2019-04-02 - Earliest claimed: 2014-07-18 - Assignees: Samsung Electronics Co., Ltd. - Applicants: Samsung Electronics Co., Ltd. - Inventors: Younho Kim; Jaemin Kang; Sangyun Park; Hyoyoung Jeong - Web page: https://patentgrep.com/patent/US10244950B2 ## CPC - A61B 5/02108: {from analysis of pulse wave characteristics} - A61B 5/02125: {of pulse wave propagation time} - A61B 5/0261: {using optical means, e.g. infrared light} - A61B 5/489: {Blood vessels} - A61B 5/6844: {Monitoring or controlling distance between sensor and tissue} - A61B 5/7203: {for noise prevention, reduction or removal} - A61B 5/7278: {Artificial waveform generation or derivation, e.g. synthesizing signals from measured signals} - A61B 5/02007: {Evaluating blood vessel condition, e.g. elasticity, compliance} - A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)} - A61B 2576/02: specially adapted for a particular organ or body part - G16H 30/40: for processing medical images, e.g. editing - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G16H: HEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA ## Abstract Provided are biological information detection apparatuses and methods of detecting biological information. The biological information detection apparatus includes a pulse wave measuring unit configured to detect a biological signal of a subject; a height controller configured to adjust a height of the pulse wave measuring unit; and a support member formed on a side of the height controller, wherein the pulse wave measuring unit is further configured to detect the biological signal while the pulse wave measuring unit is spaced apart from a surface skin of the subject by the adjusted height. ## Claims ### Claim 1 A biological information detection apparatus comprising: a light emitter configured to emit a light onto a subject; a light receiver configured to detect a biological signal from the light that returns from the subject after being emitted onto the subject; a height controller coupled with a pair of the light emitter and the light receiver that is connected to the light emitter side-by-side; and a support member disposed on a side of the height controller and configured to be in contact with a surface skin of the subject; wherein the height controller is configured to lift up and down the pair of the light emitter and the light receiver together to adjust a height of the light emitter from support member and a height of the light receiver from the support member to be a same height from the support member, and wherein, when the height controller lifts up the pair of the light emitter and the light receiver, the pair of the light emitter and the light receiver are disposed at a level different from the support member. ### Claim 2 (depends on 1) The biological information detection apparatus of claim 1, wherein the light receiver is further configured to detect the biological signal while the support member is in contact with the surface skin of the subject and the light emitter and the light receiver are spaced apart from the surface skin of the subject. ### Claim 3 (depends on 1) The biological information detection apparatus of claim 1, wherein the light emitter comprises a light-emitting diode or a laser diode, and the light receiver comprises a photo diode, a photo transistor, or a charge-couple device. ### Claim 4 (depends on 1) The biological information detection apparatus of claim 1, wherein the support member is configured to be connected to a wearable device, a health-care related device, or a medical device worn by the subject. ### Claim 5 (depends on 1) The biological information detection apparatus of claim 1, wherein the biological information detection apparatus further comprises a computing device, and wherein the support member comprises: a power supply element configured to supply power for operation of the light emitter and the light receiver, and a signal transmission element configured to transmit the biological signal detected by the light receiver to the computing device. ### Claim 6 (depends on 1) The biological information detection apparatus of claim 1, wherein the support member is a rigid printed circuit board or a flexible printed circuit board. ### Claim 7 A biological information detection apparatus comprising, a light emitter configured to emit a light onto a subject; a first light receiver configured to receive the light that returns from the subject after being emitted onto the subject; and a second light receiver configured to receive the light that returns from the subject after being emitted onto the subject; wherein the light emitter is disposed between the first light receiver and the second light receiver, and is in contact with the first light receiver and the second light receiver, and wherein the biological information detection apparatus further comprises: a first height controller connected to the first light receiver; a second height controller connected to the second light receiver; wherein the first height controller and the second height controller are configured to lift up and down the light emitter and the first and second light receivers together so that the light emitter, the first light receiver, and the second light receiver have a same height.