# US 2014/0155729 A1 · Device for sensing human body abnormality by standing-wave radar and method for using same > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0155729 A1 - Document ID: US20140155729A1 - Status: Published application - Kind: A1 - Application number: 14/234,725 - Filed: 2012-09-21 - Published: 2014-06-05 - Earliest claimed: 2011-09-21 - Inventors: Mitsumasa Saitoh - Web page: https://patentgrep.com/patent/US20140155729A1 ## CPC - A61B 5/7282: {Event detection, e.g. detecting unique waveforms indicative of a medical condition (cough events A61B5/0823; seizures A61B5/4094; sleep apnoea A61B5/4818)} - A61B 5/0059: {using light, e.g. diagnosis by transillumination, diascopy, fluorescence (photoacoustic A61B5/0093; optical measurement of heart rate A61B5/02416; optical measurement of blood flow A61B5/0261; optical measurement of analytes A61B5/1455)} - A61B 5/0077: {Devices for viewing the surface of the body, e.g. camera, magnifying lens} - A61B 5/01: Measuring temperature of body parts {; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue} (clinical contact thermometers G01K13/20) - A61B 5/024: Measuring pulse rate or heart rate - A61B 5/0816: {Measuring devices for examining respiratory frequency (measuring frequency of electric signals G01R23/00)} - A61B 5/1102: {Ballistocardiography} - A61B 5/1128: {using image analysis (A61B5/1127 takes precedence)} - A61B 5/113: occurring during breathing - A61B 5/18: for vehicle drivers {or machine operators} - A61B 5/4818: {Sleep apnoea} - A61B 5/7257: {using Fourier transforms} - A61B 90/30: Devices for illuminating a surgical field, the devices having an interrelation with other surgical devices or with a surgical procedure - F21K 9/23: Retrofit light sources for lighting devices with a single fitting for each light source, e.g. for substitution of incandescent lamps with bayonet or threaded fittings - F21V 23/0442: {activated by means of a sensor, e.g. motion or photodetectors} - F21V 33/0064: {Health, life-saving or fire-fighting equipment} - G01S 13/40: wherein the frequency of transmitted signal is adjusted to give a predetermined phase relationship - G01S 13/886: {for alarm systems (alarms with electrical actuation G08B13/22)} - G08B 21/04: responsive to non-activity, e.g. of elderly persons (G08B21/06 takes precedence) - G08B 21/043: {detecting an emergency event, e.g. a fall} - H05B 47/115: by determining the presence or movement of objects or living beings - A61B 5/02055: {Simultaneously evaluating both cardiovascular condition and temperature} - A61B 5/097: Devices for facilitating collection of breath or for directing breath into or through measuring devices - A61B 2562/0204: Acoustic sensors - F21K 9/232: specially adapted for generating an essentially omnidirectional light distribution, e.g. with a glass bulb - F21K 9/238: Arrangement or mounting of circuit elements integrated in the light source - F21V 3/00: Globes; Bowls; Cover glasses (with refracting properties F21V5/00; with reflecting properties F21V7/00; characterised by cooling arrangements F21V29/506) - F21V 23/006: {the substrate being distinct from the light source holder} - F21Y 2115/10: Light-emitting diodes [LED] - Y02A 90/10: Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation - Y02B 20/40: Control techniques providing energy savings, e.g. smart controller or presence detection - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - F21K: NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR - F21V: FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G08B: SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS - H05B: ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL - F21Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE - Y02B: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS ## Abstract LEDs arranged in a circle, a standing-wave laser module, a board with a computation unit provided thereon, and an LED control unit are disposed inside a case. Illumination light is irradiated outward from the LEDs, and microwaves are transmitted from the standing-wave laser module and the reflected waves are detected. The computation unit combines the transmitted waves and the reflected waves to detect standing waves, and the distance to the body off which the waves are reflected and minute displacements (e.g., pulse and respiration) are detected on the basis of the standing waves. Thus, merely installing the present invention in lieu of existing illumination apparatuses installed in restrooms, bathing rooms, corridors, and the like allows the position of a human body, and the respiratory rate, heart rate, and the like thereof to be detected, and allows sudden changes to the condition of the detected human body to be rapidly detected. ## Claims ### Claim 1 A device for sensing human body abnormality using standing-wave radar, comprising: a standing-wave sensor for externally transmitting a frequency-swept radio wave, detecting, at two points separated by a fixed distance, a reflected wave received from an external reflection object based on the transmitted wavelength with X being the wavelength of the transmitted wave, and sensing a standing wave combined from the transmitted wave and the received wave; a computation unit for removing the DC component from the intensity distribution of the frequency of the combined wave sensed by said standing-wave sensor, performing a Fourier transform, obtaining a distance spectrum, and computing a change in phase and distance to said reflection object; a signal processor for removing the distance component obtained when no person is present in a measurement space from the distance component to the obtained reflection object, and obtaining distance information that is different from the distance component obtained when no person is present in the measurement space to extract the distance component to a person to be measured who has entered into said measurement space; and a determination unit for sensing an abnormality in a person to be measured from a variation in the intensity distribution of the component associated with the distance to the person to be measured and determining the physical state of said person to be measured and the physiological state including a respiratory rate and pulse from said change in phase. ### Claim 2 A device for sensing human body abnormality using standing-wave radar, comprising: a standing-wave sensor for externally transmitting a frequency-swept radio wave, detecting, at two points separated by a fixed distance, a reflected wave received from an external reflection object based on the transmitted wavelength with X being the wavelength of the transmitted wave, and sensing a standing wave combined from the transmitted wave and the received wave; a computation unit for removing the DC component from the intensity distribution of the frequency of the combined wave sensed by said standing-wave sensor, performing a Fourier transform, obtaining a distance spectrum, and computing from the distance spectrum of a first interval and the distance spectrum of a second interval in a single period a phase difference from the distance spectra and a change in phase; a signal processor for removing the distance component obtained when no person is present in a measurement space from the distance component to the reflection object obtained from said phase difference, and obtaining distance information that is different from the distance component obtained when no person is present in the measurement space to extract the distance component to a person to be measured who has entered into said measurement space; and a determination unit for sensing an abnormality in a person to be measured from a variation in the intensity distribution of the component associated with the distance to the person to be measured and determining the physical state of said person to be measured and the physiological state including a respiratory rate and pulse from said change in phase. ### Claim 3 (depends on 1) The device for sensing human body abnormality using standing-wave radar according to claim 1, comprising: a case at least partially provided with a transparent cover; and a LED light source as a light-emitting unit for irradiating illumination light to the exterior via said cover, the LED light source being housed in the case, said standing-wave sensor, said computation unit, said signal processor, and said determination unit being housed in said case, and said standing-wave sensor transmitting/receiving radio waves via said cover and being housed in an LED illumination apparatus. ### Claim 4 (depends on 3) The device for sensing human body abnormality using standing-wave radar according to claim 3, wherein a power supply unit comprising a connector that can be mounted in a light bulb socket or sealing is disposed below said case, and power is supplied to said LED light source and said standing-wave sensor via the power supply unit. ### Claim 5 (depends on 3) The device for sensing human body abnormality using standing-wave radar according to claim 3, wherein said computation unit, said signal processor, and said determination unit are housed in said case as a module together with said standing-wave sensor. ### Claim 6 (depends on 1) The device for sensing human body abnormality using standing-wave radar according to claim 1, wherein said determination unit transmits an alarm signal to an external alarm signal receiver when the distance to said person to be measured, or the respiratory rate or pulse of said person to be measured has been determined to be in a danger area set in advance. ### Claim 7 (depends on 3) The device for sensing human body abnormality using standing-wave radar according to claim 3, wherein said determination unit emits an alarm by turning said LED illumination apparatus on and off, or varying the light modulation, when the distance to said person to be measured, or the respiratory rate or pulse of said person to be measured has been determined to be in a danger area set in advance. ### Claim 8 (depends on 1) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality using standing-wave radar according to claim 1 is installed in a ceiling of a building or residence to determine an abnormality of a human body inside the residence or building. ### Claim 9 (depends on 1) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality using standing-wave radar according to claim 1 is installed in a ceiling of a vehicle or a ceiling of passage or tunnel to determine congestion of human bodies therein. ### Claim 10 (depends on 3) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality implemented by the standing-wave radar-integrated LED illumination apparatus according to claim 3 is installed for illuminating a road using said LED light source, and a water level of water that has flooded the road and congestion of human bodies positioned in the road are determined. ### Claim 11 (depends on 2) The device for sensing human body abnormality using standing-wave radar according to claim 2, comprising: a case at least partially provided with a transparent cover; and a LED light source as a light-emitting unit for irradiating illumination light to the exterior via said cover, the LED light source being housed in the case, said standing-wave sensor, said computation unit, said signal processor, and said determination unit being housed in said case, and said standing-wave sensor transmitting/receiving radio waves via said cover and being housed in an LED illumination apparatus. ### Claim 12 (depends on 11) The device for sensing human body abnormality using standing-wave radar according to claim 11, wherein a power supply unit comprising a connector that can be mounted in a light bulb socket or sealing is disposed below said case, and power is supplied to said LED light source and said standing-wave sensor via the power supply unit. ### Claim 13 (depends on 11) The device for sensing human body abnormality using standing-wave radar according to claim 11, wherein said computation unit, said signal processor, and said determination unit are housed in said case as a module together with said standing-wave sensor. ### Claim 14 (depends on 2) The device for sensing human body abnormality using standing-wave radar according to claim 2, wherein said determination unit transmits an alarm signal to an external alarm signal receiver when the distance to said person to be measured, or the respiratory rate or pulse of said person to be measured has been determined to be in a danger area set in advance. ### Claim 15 (depends on 11) The device for sensing human body abnormality using standing-wave radar according to claim 11, wherein said determination unit emits an alarm by turning said LED illumination apparatus on and off, or varying the light modulation, when the distance to said person to be measured, or the respiratory rate or pulse of said person to be measured has been determined to be in a danger area set in advance. ### Claim 16 (depends on 2) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality using standing-wave radar according to claim 2 is installed in a ceiling of a building or residence to determine an abnormality of a human body inside the residence or building. ### Claim 17 (depends on 2) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality using standing-wave radar according to claim 2 is installed in a ceiling of a vehicle or a ceiling of passage or tunnel to determine congestion of human bodies therein. ### Claim 18 (depends on 11) A method for using a device for sensing human body abnormality using standing-wave radar, wherein the device for sensing human body abnormality implemented by the standing-wave radar-integrated LED illumination apparatus according to claim 11 is installed for illuminating a road using said LED light source, and a water level of water that has flooded the road and congestion of human bodies positioned in the road are determined.