公开(公告)号：US20190231205A1

公开(公告)日：2019-08-01

申请号：US16375865

申请日：2019-04-05

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: A61B5/0404 ,  A61B5/024

CPC classification number: A61B5/0404 ,  A61B5/02427 ,  A61B5/0245 ,  A61B2562/185

Abstract: A grip-type electrocardiographic measuring device includes a main body portion that has a spheroid shape, a plate-shaped flange portion mounted on a side surface of the main body portion, a first electrocardiographic electrode disposed at a back surface side of the main body portion and making contact with one hand when the main body portion is gripped by the one hand, and a second electrocardiographic electrode disposed on a surface of the flange portion and making contact with a finger of the other hand when the flange portion is pinched by the other hand. The flange portion has flexibility and is bendable from a mounting portion on the main body portion.

公开(公告)号：US20190175033A1

公开(公告)日：2019-06-13

申请号：US16278879

申请日：2019-02-19

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: A61B5/0225 ,  A61B5/021 ,  A61B5/00

Abstract: A signal processor of a blood pressure estimating device includes a pulse wave transit time acquirer that acquires a pulse wave transit time based on a pulse wave signal detected by a photoplethysmographic sensor and an electrocardiographic signal, a time measurer that measures a time elapsed from when acquisition of the pulse wave transit time is started, and a blood pressure estimator that estimates a blood pressure based on a predetermined relationship between the pulse wave transit time and the blood pressure. The photoplethysmographic sensor is in contact with a neck of a user at a position not directly over a carotid artery when the pulse wave transit time is acquired, and the blood pressure estimator estimates the blood pressure after the measured elapsed time has become a predetermined time or more.

公开(公告)号：US20240423547A1

公开(公告)日：2024-12-26

申请号：US18823762

申请日：2024-09-04

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: A61B5/00 ,  A61B5/021 ,  G16H50/30

Abstract: A blood pressure estimation method and a biological information measurement system for accurately estimating blood pressure information of a user in a non-invasive manner. A biological information measurement system executes acquiring a photoplethysmographic signal of a blood vessel of a periphery of a user who is a subject by a photoplethysmographic sensor, calculating a peripheral blood pressure index that is an index of a magnitude of a blood pressure of a capillary or an arteriole of the periphery based on a steepness of rising of the photoplethysmographic signal, and estimating a magnitude of a blood pressure of the user by using a de time and the peripheral blood pressure index. The de time is a peak time difference between a d wave and an e wave in an acceleration pulse wave signal obtained by performing second-order differentiation on the photoplethysmographic signal.

公开(公告)号：US20230019234A1

公开(公告)日：2023-01-19

申请号：US17951396

申请日：2022-09-23

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: G01K1/14 ,  G01K1/08 ,  G01K13/20

Abstract: A deep body thermometer that includes a body temperature measurement unit having a thermal resistor layer formed of a thermal resistor having a predetermined thermal resistance value, four temperature sensors arranged in a thickness direction of the thermal resistor layer, and a wiring substrate on which a processing circuit for processing an output signal of each of the four temperature sensors is mounted. Moreover, the thermometer includes an upper exterior body made of a foamed material of a closed cell or a semi-closed cell having a waterproof property to accommodate the body temperature measurement unit, and a lower exterior body formed of a non-foamed resin film having a waterproof property, in which peripheral edge portions of the upper exterior body and the lower exterior body are fixed in a close contact manner.

公开(公告)号：US20180256048A1

公开(公告)日：2018-09-13

申请号：US15979575

申请日：2018-05-15

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: A61B5/024 ,  A61B5/0456 ,  A61B5/00

CPC classification number: A61B5/02427 ,  A61B5/0022 ,  A61B5/02125 ,  A61B5/022 ,  A61B5/02444 ,  A61B5/04017 ,  A61B5/04085 ,  A61B5/0456 ,  A61B5/1071 ,  A61B5/1116 ,  A61B5/14542 ,  A61B5/6822 ,  A61B5/6831 ,  A61B5/721 ,  A61B5/7264 ,  A61B5/7278 ,  A61B2560/0204 ,  A61B2560/0223 ,  A61B2562/0204 ,  A61B2562/0219 ,  A61B2562/0271 ,  A61B2562/029

Abstract: A pulse wave transit time measurement device includes a neck band, a pair of electrocardiographic electrodes detecting an electrocardiographic signal, a photoplethysmographic sensor detecting a pulse wave signal, and a pulse wave transit time calculator calculating a pulse wave transit time based on a peak time difference between the electrocardiographic signal detected by the electrocardiographic electrodes and the pulse wave signal detected by the photoplethysmographic sensor. The photoplethysmographic sensor is positioned in or substantially in a central region of the neck band at a location at which the photoplethysmographic sensor is in contact with a neck of a user at or near a midline of the neck on the backside when the neck band is worn around the neck of the user.

公开(公告)号：US20180064355A1

公开(公告)日：2018-03-08

申请号：US15798481

申请日：2017-10-31

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: A61B5/0404 ,  A61B5/0205 ,  A61B5/0408 ,  A61B5/00 ,  A61B5/04

CPC classification number: A61B5/0404 ,  A61B5/0205 ,  A61B5/02427 ,  A61B5/04017 ,  A61B5/0408 ,  A61B5/6826

Abstract: A handheld electrocardiographic measurement device includes a substantially spheroidal body, a stopper projecting along an axial direction of the body to restrict a position of a thumb of one hand by abutting on a side surface of the thumb when a user grips the body with the one hand, a plate-shaped flange projecting from a side surface of the body in a direction orthogonal or substantially orthogonal to a projecting direction of the stopper, a first electrocardiographic electrode disposed on a back side of the body to touch a finger of the one hand when the body is gripped with the one hand, and a second electrocardiographic electrode disposed on a surface of the flange to touch a finger of the other hand when the flange is pinched by the other hand.

公开(公告)号：US20240331876A1

公开(公告)日：2024-10-03

申请号：US18739652

申请日：2024-06-11

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: G16H50/30 ,  G16H10/60

CPC classification number: G16H50/30 ,  G16H10/60

Abstract: A biological information measurement system and method is provided that measures a peripheral hemodynamic index value of a user before an event that affects a blood glucose level of the user and a peripheral hemodynamic index value of the user after the event, and estimates a glucose metabolic capacity of the user from a change in the peripheral hemodynamic index values measured before and after the event.

公开(公告)号：US20240225464A1

公开(公告)日：2024-07-11

申请号：US18614898

申请日：2024-03-25

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA ,  Kaname HANADA

IPC: A61B5/024 ,  A61B5/00

CPC classification number: A61B5/02433 ,  A61B5/6826

Abstract: A sensing device is provided that includes a non-flexible body that is wearable on a user's finger and a biosensor that measures biological information through the finger. The body has an inner peripheral surface facing a pad, a back, an outer side surface, and an inner side surface. The biosensor is on the inner peripheral surface to face the pad when the body is worn on the finger. In a cross-section of the inner peripheral surface, a first distance between a portion of the inner peripheral surface that faces the pad of the finger and a portion of the inner peripheral surface that faces the back of the finger is shorter than a second distance between a portion of the inner peripheral surface that faces the outer side surface of the finger and a portion of the inner peripheral surface that faces the inner side surface of the finger.

公开(公告)号：US20230116304A1

公开(公告)日：2023-04-13

申请号：US18066678

申请日：2022-12-15

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: H04W8/00 ,  H04B17/318 ,  H04W60/04

Abstract: A wireless communication apparatus is provided for preventing connection to an unintended wireless communication device. The apparatus includes a controller unit that performs scanning for the wireless communication device and connecting to the wireless communication device; and a memory unit that stores a first threshold for determining whether to connect to the wireless communication device. Moreover, the first threshold relates to an increasing amount per unit time of a received signal strength indicator of a signal from the wireless communication device. In the scanning, the controller unit connects to the wireless communication device when the increasing amount per unit time of the received signal strength indicator of the signal received from the wireless communication device is higher than or equal to the first threshold.

公开(公告)号：US20230110579A1

公开(公告)日：2023-04-13

申请号：US18064997

申请日：2022-12-13

Applicant: Murata Manufacturing Co., Ltd.

Inventor： Toru SHIMUTA

IPC: G06F16/25 ,  G16H40/60

Abstract: A system capable of efficiently analyzing data of a plurality of formats is provided. A control device includes a registration section that registers configuration information of custom formats that vary for different types of edge device, a reception section that receives data described in a custom format, a conversion section that identifies the configuration information of the custom format according to a device which is a transmission source of data received by the reception section and that converts the data into data of a common format which is redetermined, and a transmission section that transmits data converted by the conversion section to an analysis server including an analysis system that receives input of data of the common format.