# US 2025/0082209 A1 · Biological information measurement device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2025/0082209 A1 - Document ID: US20250082209A1 - Status: Published application - Kind: A1 - Application number: 18/956,179 - Filed: 2024-11-22 - Published: 2025-03-13 - Earliest claimed: 2022-07-07 - Assignees: Omron Healthcare Co., Ltd. - Applicants: OMRON HEALTHCARE Co., Ltd. - Inventors: Kosuke INOUE; Kengo NISHIYAMA; Masahiko YUMOTO; Yuka TANABE; Minoru FUJINO; Asa HIRASAWA; Takahiro HAMAGUCHI; Yoshikazu INAMI; Rika KATO; Hiroyuki KANDA; Yuta KUDO; Masaaki NONOYAMA; Yuki SUZUKI; Yuki KIMPARA; Haruna MIYAZAKI; Susumu HONDA; Masato KOYAMA - Web page: https://patentgrep.com/patent/US20250082209A1 ## CPC - A61B 5/02028: {Determining haemodynamic parameters not otherwise provided for, e.g. cardiac contractility or left ventricular ejection fraction} - A61B 5/022: by applying pressure to close blood vessels, e.g. against the skin; Ophthalmodynamometers - A61B 5/024: Measuring pulse rate or heart rate - A61B 5/7415: {Sound rendering of measured values, e.g. by pitch or volume variation (A61B5/741 takes precedence)} - A61B 5/742: {using visual displays (displays for heart-related electrical signals, e.g. ECG, A61B5/339)} - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) ## Abstract A biological information measurement device includes a pulse acquisition mechanism configured to detect a pulse of a human body, a pulse interval calculation mechanism configured to calculate, based on the pulse, a pulse interval between one beat and a beat immediately before the one beat, and a display mechanism configured to display a level indicator visually indicating at least one of the pulse interval or an amount of change from another pulse interval immediately before the pulse interval. The level indicator indicates, per beat of the pulse detected, the pulse interval or the amount of change. ## Claims ### Claim 1 A biological information measurement device, comprising: a pulse acquisition mechanism configured to detect a pulse of a human body; a pulse interval calculation mechanism configured to calculate, based on the pulse, a pulse interval between one beat and an immediately preceding beat; and a display mechanism configured to display a level indicator visually indicating the pulse interval, wherein the level indicator indicates, per beat of the pulse detected, the pulse interval. ### Claim 2 (depends on 1) The biological information measurement device according to claim 1, wherein the level indicator visually indicates the pulse interval by using at least one of a length, an area, or an angle of a region in which display is activated at the display mechanism or the number of the regions. ### Claim 3 (depends on 2) The biological information measurement device according to claim 2, wherein the level indicator visually indicates the pulse interval by using a size indicated by a display region in which display is activated in the level indicator. ### Claim 4 (depends on 3) The biological information measurement device according to claim 3, wherein the level indicator is composed of a plurality of display segments and represents the size of the display region depending on whether the number of the plurality of display segments in which display is activated is large or small. ### Claim 5 (depends on 3) The biological information measurement device according to claim 3, wherein the level indicator maintains activation of display of a peak level portion of one pulse interval from display of the one pulse interval until display of a next pulse interval. ### Claim 6 A biological information measurement device, comprising: a pulse acquisition mechanism configured to detect a pulse of a human body; a pulse interval calculation mechanism configured to calculate, based on the pulse, a pulse interval between one beat and an immediately preceding beat; and a display mechanism configured to display a level indicator visually indicating at least one of the pulse interval or an amount of change from another pulse interval immediately before the pulse interval, wherein the level indicator is composed of a plurality of display segments and visually indicates, per beat of the pulse, the pulse interval or the amount of change depending on whether the number of the plurality of display segments in which display is activated is large or small, the display mechanism further displays a sub-indicator including a plurality of sub-display segments corresponding one-to-one to the plurality of display segments of the level indicator, the level indicator maintains activation of display of a peak level portion of one pulse interval or one amount of change from display of the one pulse interval or the one amount of change until display of a next pulse interval or a next amount of change, and the sub-indicator activates, per beat, display of a sub-display segment of the plurality of sub-display segments that corresponds to the display of the peak level portion of the pulse interval or the amount of change indicated per beat by the level indicator and maintains display of each sub-display segment activated until the detection by the pulse acquisition mechanism is finished. ### Claim 7 A biological information measurement device, comprising: a pulse acquisition mechanism configured to detect a pulse of a human body; a pulse interval calculation mechanism configured to calculate, based on the pulse, a pulse interval between one beat and an immediately preceding beat; and a display mechanism configured to display a level indicator visually indicating at least one of the pulse interval or an amount of change from another pulse interval immediately before the pulse interval, wherein the level indicator is composed of a plurality of display segments, a display segment in which display is activated in the level indicator makes a transition, and the pulse interval or the amount of change is visually indicated per beat of the pulse by a length of a distance of the transition. ### Claim 8 (depends on 7) The biological information measurement device according to claim 7, wherein the level indicator represents, per transition of the display segment indicating one pulse interval or one amount of change, a length of a distance of the transition by highlighting the display segment activated at a terminal end of the distance of the transition. ### Claim 9 (depends on 8) The biological information measurement device according to claim 8, wherein the level indicator maintains, until display of the display segment indicating the terminal end of the transition of the display segment indicating the one pulse interval or the one amount of change is activated, activation of the display segment indicating the terminal end of the transition related to at least an immediately preceding pulse interval or an immediately preceding amount of change. ### Claim 10 (depends on 7) The biological information measurement device according to claim 7, wherein the level indicator has an entire display region configured in a ring shape, the display segment in which the display is activated in the level indicator repeats, per beat, a transition in a fixed direction, and the pulse interval is indicated by the length of the distance of the transition. ### Claim 11 (depends on 7) The biological information measurement device according to claim 7, wherein the level indicator has an entire display region configured in a band shape extending in a left-right direction, the display segment in which the display is activated in the level indicator repeats, per beat, a transition in a fixed direction of the left-right direction, and the pulse interval is indicated by the length of the distance of the transition. ### Claim 12 (depends on 7) The biological information measurement device according to any one of claim 7, wherein the level indicator has an entire display region configured in a band shape extending in an up-down direction, the display segment in which the display is activated in the level indicator repeats, per beat, a transition in a fixed direction of the up-down direction, and the pulse interval is indicated by the length of the distance of the transition. ### Claim 13 (depends on 1) The biological information measurement device according to claim 1, wherein the level indicator has an entire display region configured in a shape including at least part of a circumference and a pointer extending from an inside of the circumference toward the circumference and visually indicates the pulse interval by using a position on the circumference, the position being indicated by the pointer. ### Claim 14 (depends on 1) The biological information measurement device according to claim 1, wherein the level indicator indicates the pulse interval in synchronization with a waveform of the pulse detected. ### Claim 15 (depends on 2) The biological information measurement device according to claim 2, wherein the length, the area, or the angle of the region in which the display is activated or the number of the regions in the level indicator linearly changes in accordance with the pulse interval. ### Claim 16 (depends on 2) The biological information measurement device according to claim 2, wherein the length, the area, or the angle of the region in which the display is activated or the number of the regions in the level indicator changes in a monotonically increasing non-linear manner in accordance with the pulse interval. ### Claim 17 (depends on 1) The biological information measurement device according to claim 1, further comprising: a sound output mechanism configured to output, per beat of the pulse detected, a sound indicating the pulse interval in synchronization with display of the level indicator. ### Claim 18 (depends on 17) The biological information measurement device according to claim 17, wherein the sound output mechanism indicates a difference in the pulse interval depending on a difference in a pitch of an output sound.