US20180153414A1 - Excrement-Based Body Temperature Measurement Device - Google Patents
Excrement-Based Body Temperature Measurement Device Download PDFInfo
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- US20180153414A1 US20180153414A1 US15/367,591 US201615367591A US2018153414A1 US 20180153414 A1 US20180153414 A1 US 20180153414A1 US 201615367591 A US201615367591 A US 201615367591A US 2018153414 A1 US2018153414 A1 US 2018153414A1
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- United States
- Prior art keywords
- toilet
- contact optical
- temperature
- excrement
- body temperature
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- 238000009529 body temperature measurement Methods 0.000 title claims description 32
- 230000003287 optical effect Effects 0.000 claims abstract description 102
- 230000036760 body temperature Effects 0.000 claims abstract description 49
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 13
- 238000001931 thermography Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims 1
- 230000006870 function Effects 0.000 description 32
- 210000003608 fece Anatomy 0.000 description 11
- 230000013872 defecation Effects 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000027939 micturition Effects 0.000 description 3
- 210000001217 buttock Anatomy 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 210000000436 anus Anatomy 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007619 statistical method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
- A47K13/00—Seats or covers for all kinds of closets
- A47K13/24—Parts or details not covered in, or of interest apart from, groups A47K13/02 - A47K13/22, e.g. devices imparting a swinging or vibrating motion to the seats
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6887—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient mounted on external non-worn devices, e.g. non-medical devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
- E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
- E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0003—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiant heat transfer of samples, e.g. emittance meter
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/026—Control of working procedures of a pyrometer, other than calibration; Bandwidth calculation; Gain control
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/04—Casings
- G01J5/041—Mountings in enclosures or in a particular environment
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J2005/0077—Imaging
Definitions
- the present invention relates to the measurement of body temperature using human excrement.
- Non-contact temperature sensors are well known for measuring temperatures of objects at a distance.
- Fast response and high accuracy non-contact temperature devices are manufactured by Fluke, Omega, and FLIR.
- a toilet temperature measurement device By using a toilet temperature measurement device, it is possible to determine a body temperature of a toilet user based on a temperature profile of feces produced by the user. Body excrement can be measured at multiple points by a non-contact optical temperature sensor allowing a body temperature of a user to be accurately determined.
- Body temperature of a toilet user may be non-intrusively obtained on a regular basis using one or more non-contact optical temperature sensors having a field-of-view between a surface of a toilet bowl of a toilet and a user of the toilet while the user is releasing body excrement into the toilet.
- An output of the non-contact optical temperature sensor is used to determine a body temperature of the user based on at least one of: a temperature of the body excrement while the body excrement is in the field-of-view of the non-contact optical temperature sensor, a temperature of a perineal area of the user while using the toilet, a temperature of the body excrement while the body excrement is detached from the body and falling toward the surface of the toilet bowl, or a combination thereof.
- An excrement-based body temperature measurement device may include one or more non-contact optical temperature sensors.
- the non-contact optical temperature sensors may be used to determine a surface temperature of body excrement as it exits a toilet user's body or falls from the toilet user's body into water in a toilet bowl.
- One or more non-contact optical temperature sensors may be mounted on a toilet seat of a toilet.
- One or more of the non-contact optical temperature sensors may be mounted in a toilet bowl.
- the non-contact optical temperature sensors may have a field of view which is below a plane of the toilet seat.
- the non-contact optical temperature sensors may have a field of view below a rim of the toilet bowl.
- the non-contact optical temperature sensors may be thermal imaging sensors.
- the non-contact optical temperature sensors may use a medium wavelength infrared camera.
- the non-contact optical temperature sensors may use a long wavelength infrared camera.
- the non-contact optical temperature sensors may use a visible light camera.
- the non-contact optical temperature sensor may be a photodetector.
- the non-contact optical temperature sensor may be a pyrometer. Thermal images, thermal signatures, and/or thermal gradients may be obtained and used to determine a toilet user's body temperature.
- the non-contact optical temperature sensor may be used as a proximity detector and a thermal detector.
- the toilet may include one or more wireless transmitters or receivers.
- the non-contact optical temperature sensor may be a plurality of non-contact optical temperature sensors oriented such that a juxtaposition of input from the plurality of non-contact optical temperature sensors provides a complete view of events within a bowl of a toilet.
- Temperature measurements may be collected continuously as excrement exits a user and falls into toilet bowl water. Temperature measurement data may be used to estimate a user's body temperature based on an average surface temperature of fecal matter leaving a user's body. The data points may all receive equal weight in the average, or data points may be weighted depending on their quality, thus yielding a more accurate estimated body temperature.
- the accuracy of a body temperature estimate may be presented to the user as a certainty value that indicates an accuracy of the estimated body temperature.
- a certainty value may be affected by length, texture, density, consistency, or circumference of the excrement. The certainty value may also be affected by the rate at which the excrement leaves the body. The certainty value may also be affected by other factors such as ambient temperature, age and cleanliness of the non-contact optical temperature sensor.
- a toilet comprises an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor mounted at a rear end of the toilet bowl.
- the non-contact optical temperature sensor comprises a field of view that may be adjusted by the user.
- the non-contact optical temperature sensor may also comprise a field of measurement that may be adjusted within the bounds of the field of view.
- the field of measurement allows a non-contact optical temperature sensor to measure specific points of a user's excrement as it passes, and also allows it to track a user's excrement as it falls. This is particularly useful if initial readings were inconclusive.
- a toilet comprises an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor mounted on a toilet seat.
- the non-contact optical temperature sensor may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- the non-contact optical temperature sensor may comprise a field of view wherein no portion of the field of view extends beyond confines of a toilet bowl comprised in the toilet and includes some or all of the water in the toilet bowl.
- the toilet also comprises a controller and power source.
- the power source may be battery power, generator power, or a wired power connection.
- the controller comprises one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.
- the controller is operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- FIG. 1 shows a side cross-sectional view of the excrement-based body temperature measurement device in use
- FIG. 2 shows a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention
- FIG. 3 is frontal cross-sectional view of the excrement-based body temperature measurement device
- FIG. 4 charts the flow of functions in an embodiment of the excrement-based body temperature measurement device using a thermal imaging device
- FIG. 5 charts the flow of functions in an embodiment of the excrement-based body temperature measurement device using a weight sensor
- FIG. 6 is a top down view of the excrement-based body temperature measurement device
- FIG. 7 is a side cross-sectional view of the excrement-based body temperature measurement device
- FIG. 8 is a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention.
- FIG. 9 is a front cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention.
- FIG. 10 is a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention.
- a toilet 100 comprise an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor 110 .
- the non-contact optical temperature sensor 110 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- a user 102 is shown seated on the toilet seat 114 releasing excrement 106 .
- the non-contact optical temperature sensor 110 is mounted in such a way as to view an interior space of a toilet bowl 120 and more specifically the feces 106 .
- Defecation events have a distinctive thermal image or thermal pattern allowing the defecation events to be distinguished from urination events.
- Defecation events may be compared to thermal patterns generated by one or more of the following: the toilet bowl, body parts of the toilet user, water in the toilet bowl, and/or by comparison of thermal patterns of previous elimination events. Thermal patterns of previous and instant defecation events and of urination events may be compared to each other in order to distinguish a urination event from a defecation event.
- the field of view of the non-contact optical temperature sensor 110 may originate on a side, front or back of toilet bowl 120 and expands outward to include water 118 and feces 106 .
- the non-contact optical temperature sensor 110 may be oriented such that buttocks of the user 102 are not within the field of view of the non-contact optical temperature sensor 110 .
- Additional non-contact optical temperature sensors 110 may form an array of non-contact optical temperature sensors used to expand a field of view of an inner area of toilet 100 . Additional sensors may be located in a contiguous linear sensor array or be positioned at different locations around toilet bowl 120 . A body temperature of toilet user 102 may be determined by a heat signature or thermal gradient produced by feces 106 as read or detected by sensor 110 while falling from user 102 into toilet bowl water 118 .
- a body temperature of user 103 may be obtained by an averaged or selectively averaged temperature signature or temperature gradient produced by surface area of feces 106 .
- An area consistent temperature on the surface of the feces may be selected as useable temperature data and used to determine a body temperature of user 102 .
- an instantaneous temperature reading of a portion of the feces 106 may be used to determine a body temperature of user 102 .
- Toilet 100 may contain a controller 122 , and power source 124 .
- Power source 124 may be battery power, generator power, or a wired power connection.
- Controller 122 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. Controller 122 may be operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- FIG. 2 shows a toilet 200 comprising an excrement-based body temperature measurement device comprising a non-contact optical temperature sensors 210 , 222 , and 224 .
- a toilet seat 214 comprises the non-contact optical temperature sensor 210 .
- the non-contact optical temperature sensor 210 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- the sensor 210 may additionally or alternatively, work as a motion sensor or light detector.
- the non-contact optical temperature sensor 210 comprises a field of view 212 wherein no portion of the field of view 212 extends beyond confines of a toilet bowl 216 comprised in the toilet 200 and includes some or all of water 202 in the toilet bowl 216 .
- a toilet bowl 216 comprises the non-contact optical temperature sensor 224 .
- the non-contact optical temperature sensor 224 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- the sensor 224 may additionally or alternatively, work as a motion sensor or light detector.
- the non-contact optical temperature sensor 224 comprises a field of view 212 wherein with a portion of the field of view 212 extending beyond the confines of a toilet bowl 216 into a perineal area of a toilet user.
- a toilet bowl 216 comprises the non-contact optical temperature sensor 222 .
- the non-contact optical temperature sensor 222 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- the sensor 222 may additionally or alternatively, work as a motion sensor or light detector.
- the non-contact optical temperature sensor 222 comprises a field of view 212 wherein with a portion of the field of view 212 extending beyond the confines of a toilet bowl 216 into a perineal area of a toilet user.
- Non-contact temperature sensors 210 , 222 , and 224 may be used individually or in combination to obtain a body temperature of a toilet user. Statistical analysis may be performed on individual sensor readings and/or on combinations of sensor readings to obtain an accurate temperature of a toilet user.
- Toilet 200 may contain a controller 218 , and power source 220 .
- Power source 220 may be battery power, generator power, or a wired power connection.
- Controller 218 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. Controller 218 may be operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- FIG. 3 shows a toilet 300 comprising an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor 304 mounted in a toilet bowl 308 .
- the non-contact optical temperature sensor 304 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera.
- the non-contact optical temperature sensor 304 comprises a field of view 306 , which is oriented on an interior side of toilet bowl 308 , with an upper limit of the field of view 306 not extending outside the confines of the toilet bowl 308 , and with a lower limit that includes some or all of the water 302 .
- the non-contact optical temperature sensor 304 may be user-adjustable such that the field of view may be changed according to user preferences.
- FIG. 4 shows a stepwise process 400 for measuring a body temperature of a user.
- Excrement begins to exit a user's body in step 402 , then, at step 404 , a non-contact optical temperature sensor detects movement and measures a surface temperature of feces exiting the user's body or falling from the user's body into a toilet bowl.
- the initial measurement in step 404 may be taken as the excrement is still exiting and attached to the user or as the excrement is falling into a toilet bowl.
- the non-contact optical temperature sensor observes that the excrement has completely exited the user and passed the selected point of measurement, temperature measurements cease to be gathered.
- the temperatures that were collected may be averaged into a single temperature that correlates to a specific body temperature.
- the average temperature of the excrement may be produced by dividing the sum of the temperatures collected divided by the number of temperatures collected.
- the average temperature may also be determined using a weighted average where temperature measurements from later portions of the excrement carry more weight than temperature measurements from initial portions of the excrement. Greater weight may also be given to portions of excrement that are thicker, denser, or closer to a middle point of the excrement. This may be used to help increase the accuracy of an estimated body temperature that is calculated.
- the estimated body temperature is assigned a specific certainty value in step 408 . The certainty value is based on factors observed as the excrement exits the user's body.
- the certainty value may be affected by length, texture, density, consistency, or circumference of the excrement.
- the certainty value may also be affected by the rate at which the excrement leaves the body.
- the certainty value may also be affected by other factors such as ambient temperature, age and cleanliness of the non-contact optical temperature sensor.
- the body temperature from step 406 and the certainty value from step 408 are reported to the user. The reporting may occur by means of a display screen, a wireless transmittance to a user device, or an audio/video output.
- FIG. 5 shows a stepwise method 500 for an embodiment of a body temperature apparatus wherein a strain gauge or weight sensor 502 triggers or enables a non-contact optical temperature sensor 504 to start reading temperature data within a toilet bowl when a toilet user sits on a toilet seat of a toilet. After the user is finished and weight is removed from the toilet seat at step 506 the non-contact optical temperature sensor is disabled at step 508 .
- a strain gauge or weight sensor may provide an input to a controller within the toilet triggering the non-contact optical temperature sensor when weight is sensed on a toilet seat. When weight is removed, the non-contact optical temperature sensor may be disabled.
- FIG. 6 shows a top down view of toilet 600 comprising an excrement-based body temperature measurement device that comprises non-contact optical temperature sensors 602 , 608 , 612 , and 616 that comprise fields of view 606 , 610 , 614 , and 618 respectively.
- the non-contact optical temperature sensors 602 , 608 , 612 , and 616 are mounted such that an aggregate view created by the fields of view 606 , 610 , 614 , and 618 includes all of the interior space of the bowl of toilet 600 .
- the aggregate view will allow for more comprehensive analysis of defecation events.
- the non-contact optical temperature sensors 602 , 608 , 612 , and 616 may be any combination of thermal imaging sensors, medium wavelength infrared cameras, long wavelength infrared cameras, visible light cameras, or water level sensors.
- a comprehensive view of the toilet bowl may allow for volumetric measurement of human excrement, as well as create a more complete temperature profile of the excrement such that a more accurate body temperature may be estimated and/or determined.
- FIG. 7 shows a toilet 700 comprising an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor 708 , a processor 722 , and a wireless transceiver 724 .
- the wireless transceiver 724 allows for wireless communication 726 and 730 such that the processor can wirelessly accept input from the non-contact optical temperature sensor 708 and perform necessary correlations and calculations.
- the processor 722 may be used to analyze a temperature profile of a user's excrement and may also perform the necessary calculations to produce a certainty value associated with an estimated body temperature.
- the processor 722 may use installed algorithms to discard irrelevant or low-quality data from an analysis.
- Toilet 700 may contain a controller 732 , and power source 734 .
- Power source 734 may be battery power, generator power, or a wired power connection.
- Controller 732 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. Controller 732 may be operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- FIG. 8 shows a toilet 800 comprising an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor 810 .
- the toilet 800 further comprises a toilet seat 802 , a toilet bowl 816 , and water 812 .
- strain gauges 804 may trigger non-contact optical temperature sensor 810 by way of controller 818 and begin to measure any excrement which may be released by the user into toilet bowl 816 .
- a toilet user releases fecal matter into toilet bowl 816 it will pass through a field of view 806 of non-contact optical temperature sensor 810 .
- Non-contact optical temperature sensor 810 will then detect a thermal image or thermal signature of the fecal matter.
- the field of measurement preferably takes temperature measurements as soon as the excrement pass by field of view 806 but can track and measure any point on the surface of the excrement until the excrement enters the water 812 .
- Toilet 800 may contain a controller 818 , and power source 820 .
- Power source 820 may be battery power, generator power, or a wired power connection.
- Controller 818 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. Controller 818 may be operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- FIG. 9 shows a toilet 900 comprising a toilet bowl 904 , water 902 , and an excrement-based body temperature measurement device that comprises a processor 906 and a non-contact optical temperature sensor 908 .
- the non-contact optical temperature sensor 908 comprises a field of view 916 .
- the processor 906 comprises wireless communication capabilities 912 .
- the processor 906 and the non-contact optical temperature sensor 908 are mounted on a side of the toilet bowl 904 .
- the processor 906 may receive data from non-contact optical temperature sensor 908 . This input may be used to estimate a user's body temperature, which then may be wirelessly transmitted to a user device, display screen, or audio output device.
- FIG. 10 shows a toilet 1000 comprising a toilet bowl 1004 , water 1002 , and an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor 1008 .
- the non-contact optical temperature sensor 1008 comprises wireless communication capabilities 1006 .
- the wireless communication capabilities 1006 may be used to transmit data and system commands to or from a user device such that a user can receive an estimate body temperature with an associated certainty value and such that a user may adjust a field of view of the non-contact optical temperature sensor 1008 .
- Toilet 1000 may contain a controller 1014 , and power source 1016 .
- Power source 1016 may be battery power, generator power, or a wired power connection.
- Controller 1014 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. Controller 1014 may be operably connected to one or more non-contact optical temperature sensors.
- a processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions.
- Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
Abstract
Description
- The present invention relates to the measurement of body temperature using human excrement.
- Non-contact temperature sensors are well known for measuring temperatures of objects at a distance. Fast response and high accuracy non-contact temperature devices are manufactured by Fluke, Omega, and FLIR.
- For management and detection of various health conditions, it is useful to track body temperature in non-intrusive and regular intervals.
- By using a toilet temperature measurement device, it is possible to determine a body temperature of a toilet user based on a temperature profile of feces produced by the user. Body excrement can be measured at multiple points by a non-contact optical temperature sensor allowing a body temperature of a user to be accurately determined.
- Body temperature of a toilet user may be non-intrusively obtained on a regular basis using one or more non-contact optical temperature sensors having a field-of-view between a surface of a toilet bowl of a toilet and a user of the toilet while the user is releasing body excrement into the toilet. An output of the non-contact optical temperature sensor is used to determine a body temperature of the user based on at least one of: a temperature of the body excrement while the body excrement is in the field-of-view of the non-contact optical temperature sensor, a temperature of a perineal area of the user while using the toilet, a temperature of the body excrement while the body excrement is detached from the body and falling toward the surface of the toilet bowl, or a combination thereof.
- An excrement-based body temperature measurement device may include one or more non-contact optical temperature sensors. The non-contact optical temperature sensors may be used to determine a surface temperature of body excrement as it exits a toilet user's body or falls from the toilet user's body into water in a toilet bowl. One or more non-contact optical temperature sensors may be mounted on a toilet seat of a toilet. One or more of the non-contact optical temperature sensors may be mounted in a toilet bowl. The non-contact optical temperature sensors may have a field of view which is below a plane of the toilet seat. The non-contact optical temperature sensors may have a field of view below a rim of the toilet bowl. The non-contact optical temperature sensors may be thermal imaging sensors. The non-contact optical temperature sensors may use a medium wavelength infrared camera. The non-contact optical temperature sensors may use a long wavelength infrared camera. The non-contact optical temperature sensors may use a visible light camera. The non-contact optical temperature sensor may be a photodetector. The non-contact optical temperature sensor may be a pyrometer. Thermal images, thermal signatures, and/or thermal gradients may be obtained and used to determine a toilet user's body temperature. The non-contact optical temperature sensor may be used as a proximity detector and a thermal detector. The toilet may include one or more wireless transmitters or receivers. The non-contact optical temperature sensor may be a plurality of non-contact optical temperature sensors oriented such that a juxtaposition of input from the plurality of non-contact optical temperature sensors provides a complete view of events within a bowl of a toilet.
- Temperature measurements may be collected continuously as excrement exits a user and falls into toilet bowl water. Temperature measurement data may be used to estimate a user's body temperature based on an average surface temperature of fecal matter leaving a user's body. The data points may all receive equal weight in the average, or data points may be weighted depending on their quality, thus yielding a more accurate estimated body temperature. The accuracy of a body temperature estimate may be presented to the user as a certainty value that indicates an accuracy of the estimated body temperature. A certainty value may be affected by length, texture, density, consistency, or circumference of the excrement. The certainty value may also be affected by the rate at which the excrement leaves the body. The certainty value may also be affected by other factors such as ambient temperature, age and cleanliness of the non-contact optical temperature sensor.
- In an example, a toilet comprises an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor mounted at a rear end of the toilet bowl. The non-contact optical temperature sensor comprises a field of view that may be adjusted by the user. The non-contact optical temperature sensor may also comprise a field of measurement that may be adjusted within the bounds of the field of view. The field of measurement allows a non-contact optical temperature sensor to measure specific points of a user's excrement as it passes, and also allows it to track a user's excrement as it falls. This is particularly useful if initial readings were inconclusive.
- In another example a toilet comprises an excrement-based body temperature measurement device that comprises a non-contact optical temperature sensor mounted on a toilet seat. The non-contact optical temperature sensor may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. The non-contact optical temperature sensor may comprise a field of view wherein no portion of the field of view extends beyond confines of a toilet bowl comprised in the toilet and includes some or all of the water in the toilet bowl. The toilet also comprises a controller and power source. The power source may be battery power, generator power, or a wired power connection. The controller comprises one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases. The controller is operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices.
- In order that the advantages of the invention will be readily understood, a more particular description of the invention briefly described above will be rendered by reference to specific embodiments illustrated in the appended drawings. Understanding that these drawings depict only typical embodiments of the invention and are not therefore to be considered limiting of its scope, the invention will be described and explained with additional specificity and detail through use of the accompanying drawings, in which:
-
FIG. 1 shows a side cross-sectional view of the excrement-based body temperature measurement device in use; -
FIG. 2 shows a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention; -
FIG. 3 is frontal cross-sectional view of the excrement-based body temperature measurement device; -
FIG. 4 charts the flow of functions in an embodiment of the excrement-based body temperature measurement device using a thermal imaging device; -
FIG. 5 charts the flow of functions in an embodiment of the excrement-based body temperature measurement device using a weight sensor; -
FIG. 6 is a top down view of the excrement-based body temperature measurement device; -
FIG. 7 is a side cross-sectional view of the excrement-based body temperature measurement device; -
FIG. 8 is a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention; -
FIG. 9 is a front cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention; and -
FIG. 10 is a side cross-sectional view of the excrement-based body temperature measurement device in accordance with an embodiment of the invention. - It will be readily understood that the components of the present invention, as generally described and illustrated in the Figures herein, could be arranged and designed in a wide variety of different configurations. Thus, the following more detailed description of the embodiments of the invention, as represented in the Figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of certain examples of presently contemplated embodiments in accordance with the invention. The presently described embodiments will be best understood by reference to the drawings, wherein like parts are designated by like numerals throughout.
- Referring to
FIG. 1 , atoilet 100 comprise an excrement-based body temperature measurement device that comprises a non-contactoptical temperature sensor 110. In an embodiment, the non-contactoptical temperature sensor 110 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. Auser 102 is shown seated on thetoilet seat 114 releasingexcrement 106. The non-contactoptical temperature sensor 110 is mounted in such a way as to view an interior space of atoilet bowl 120 and more specifically thefeces 106. Defecation events have a distinctive thermal image or thermal pattern allowing the defecation events to be distinguished from urination events. Defecation events may be compared to thermal patterns generated by one or more of the following: the toilet bowl, body parts of the toilet user, water in the toilet bowl, and/or by comparison of thermal patterns of previous elimination events. Thermal patterns of previous and instant defecation events and of urination events may be compared to each other in order to distinguish a urination event from a defecation event. The field of view of the non-contactoptical temperature sensor 110 may originate on a side, front or back oftoilet bowl 120 and expands outward to includewater 118 andfeces 106. The non-contactoptical temperature sensor 110 may be oriented such that buttocks of theuser 102 are not within the field of view of the non-contactoptical temperature sensor 110. However, removing the buttocks of theuser 102 from the field of view may negatively impact a certainty value that is generated by the body temperature measurement device as the most accurate temperatures may be acquired closes to the user's 102 anus. The field of view may also be user-adjustable to address a user's privacy concerns. Additional non-contactoptical temperature sensors 110 may form an array of non-contact optical temperature sensors used to expand a field of view of an inner area oftoilet 100. Additional sensors may be located in a contiguous linear sensor array or be positioned at different locations aroundtoilet bowl 120. A body temperature oftoilet user 102 may be determined by a heat signature or thermal gradient produced byfeces 106 as read or detected bysensor 110 while falling fromuser 102 intotoilet bowl water 118. A body temperature of user 103 may be obtained by an averaged or selectively averaged temperature signature or temperature gradient produced by surface area offeces 106. An area consistent temperature on the surface of the feces may be selected as useable temperature data and used to determine a body temperature ofuser 102. Alternatively, an instantaneous temperature reading of a portion of thefeces 106 may be used to determine a body temperature ofuser 102. -
Toilet 100 may contain acontroller 122, andpower source 124.Power source 124 may be battery power, generator power, or a wired power connection.Controller 122 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.Controller 122 may be operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices. -
FIG. 2 shows atoilet 200 comprising an excrement-based body temperature measurement device comprising a non-contactoptical temperature sensors toilet seat 214 comprises the non-contactoptical temperature sensor 210. The non-contactoptical temperature sensor 210 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. Thesensor 210 may additionally or alternatively, work as a motion sensor or light detector. The non-contactoptical temperature sensor 210 comprises a field ofview 212 wherein no portion of the field ofview 212 extends beyond confines of atoilet bowl 216 comprised in thetoilet 200 and includes some or all ofwater 202 in thetoilet bowl 216. - A
toilet bowl 216 comprises the non-contactoptical temperature sensor 224. The non-contactoptical temperature sensor 224 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. Thesensor 224 may additionally or alternatively, work as a motion sensor or light detector. The non-contactoptical temperature sensor 224 comprises a field ofview 212 wherein with a portion of the field ofview 212 extending beyond the confines of atoilet bowl 216 into a perineal area of a toilet user. - A
toilet bowl 216 comprises the non-contactoptical temperature sensor 222. The non-contactoptical temperature sensor 222 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. Thesensor 222 may additionally or alternatively, work as a motion sensor or light detector. The non-contactoptical temperature sensor 222 comprises a field ofview 212 wherein with a portion of the field ofview 212 extending beyond the confines of atoilet bowl 216 into a perineal area of a toilet user. -
Non-contact temperature sensors -
Toilet 200 may contain acontroller 218, andpower source 220.Power source 220 may be battery power, generator power, or a wired power connection.Controller 218 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.Controller 218 may be operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices. -
FIG. 3 shows atoilet 300 comprising an excrement-based body temperature measurement device that comprises a non-contactoptical temperature sensor 304 mounted in atoilet bowl 308. The non-contactoptical temperature sensor 304 may be a thermal imaging sensor, a medium wavelength infrared camera, a long wavelength infrared camera, or a visible light camera. The non-contactoptical temperature sensor 304 comprises a field ofview 306, which is oriented on an interior side oftoilet bowl 308, with an upper limit of the field ofview 306 not extending outside the confines of thetoilet bowl 308, and with a lower limit that includes some or all of thewater 302. The non-contactoptical temperature sensor 304 may be user-adjustable such that the field of view may be changed according to user preferences. -
FIG. 4 shows astepwise process 400 for measuring a body temperature of a user. Excrement begins to exit a user's body instep 402, then, atstep 404, a non-contact optical temperature sensor detects movement and measures a surface temperature of feces exiting the user's body or falling from the user's body into a toilet bowl. The initial measurement instep 404 may be taken as the excrement is still exiting and attached to the user or as the excrement is falling into a toilet bowl. When the non-contact optical temperature sensor observes that the excrement has completely exited the user and passed the selected point of measurement, temperature measurements cease to be gathered. Instep 406, the temperatures that were collected may be averaged into a single temperature that correlates to a specific body temperature. The average temperature of the excrement may be produced by dividing the sum of the temperatures collected divided by the number of temperatures collected. The average temperature may also be determined using a weighted average where temperature measurements from later portions of the excrement carry more weight than temperature measurements from initial portions of the excrement. Greater weight may also be given to portions of excrement that are thicker, denser, or closer to a middle point of the excrement. This may be used to help increase the accuracy of an estimated body temperature that is calculated. The estimated body temperature is assigned a specific certainty value instep 408. The certainty value is based on factors observed as the excrement exits the user's body. The certainty value may be affected by length, texture, density, consistency, or circumference of the excrement. The certainty value may also be affected by the rate at which the excrement leaves the body. The certainty value may also be affected by other factors such as ambient temperature, age and cleanliness of the non-contact optical temperature sensor. Instep 410 the body temperature fromstep 406 and the certainty value fromstep 408 are reported to the user. The reporting may occur by means of a display screen, a wireless transmittance to a user device, or an audio/video output. -
FIG. 5 shows astepwise method 500 for an embodiment of a body temperature apparatus wherein a strain gauge orweight sensor 502 triggers or enables a non-contactoptical temperature sensor 504 to start reading temperature data within a toilet bowl when a toilet user sits on a toilet seat of a toilet. After the user is finished and weight is removed from the toilet seat atstep 506 the non-contact optical temperature sensor is disabled atstep 508. A strain gauge or weight sensor may provide an input to a controller within the toilet triggering the non-contact optical temperature sensor when weight is sensed on a toilet seat. When weight is removed, the non-contact optical temperature sensor may be disabled. -
FIG. 6 shows a top down view oftoilet 600 comprising an excrement-based body temperature measurement device that comprises non-contactoptical temperature sensors view optical temperature sensors view toilet 600. The aggregate view will allow for more comprehensive analysis of defecation events. The non-contactoptical temperature sensors -
FIG. 7 shows atoilet 700 comprising an excrement-based body temperature measurement device that comprises a non-contactoptical temperature sensor 708, aprocessor 722, and awireless transceiver 724. Thewireless transceiver 724 allows forwireless communication optical temperature sensor 708 and perform necessary correlations and calculations. Theprocessor 722 may be used to analyze a temperature profile of a user's excrement and may also perform the necessary calculations to produce a certainty value associated with an estimated body temperature. Theprocessor 722 may use installed algorithms to discard irrelevant or low-quality data from an analysis. -
Toilet 700 may contain acontroller 732, andpower source 734.Power source 734 may be battery power, generator power, or a wired power connection.Controller 732 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.Controller 732 may be operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices. -
FIG. 8 shows atoilet 800 comprising an excrement-based body temperature measurement device that comprises a non-contactoptical temperature sensor 810. Thetoilet 800 further comprises atoilet seat 802, atoilet bowl 816, andwater 812. When a toilet user is sits on atoilet seat 802,strain gauges 804 may trigger non-contactoptical temperature sensor 810 by way ofcontroller 818 and begin to measure any excrement which may be released by the user intotoilet bowl 816. When a toilet user releases fecal matter intotoilet bowl 816 it will pass through a field ofview 806 of non-contactoptical temperature sensor 810. Non-contactoptical temperature sensor 810 will then detect a thermal image or thermal signature of the fecal matter. The field of measurement preferably takes temperature measurements as soon as the excrement pass by field ofview 806 but can track and measure any point on the surface of the excrement until the excrement enters thewater 812. -
Toilet 800 may contain acontroller 818, andpower source 820.Power source 820 may be battery power, generator power, or a wired power connection.Controller 818 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.Controller 818 may be operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices. -
FIG. 9 shows atoilet 900 comprising atoilet bowl 904,water 902, and an excrement-based body temperature measurement device that comprises aprocessor 906 and a non-contactoptical temperature sensor 908. The non-contactoptical temperature sensor 908 comprises a field ofview 916. Theprocessor 906 compriseswireless communication capabilities 912. Theprocessor 906 and the non-contactoptical temperature sensor 908 are mounted on a side of thetoilet bowl 904. Theprocessor 906 may receive data from non-contactoptical temperature sensor 908. This input may be used to estimate a user's body temperature, which then may be wirelessly transmitted to a user device, display screen, or audio output device. -
FIG. 10 shows atoilet 1000 comprising atoilet bowl 1004,water 1002, and an excrement-based body temperature measurement device that comprises a non-contactoptical temperature sensor 1008. The non-contactoptical temperature sensor 1008 compriseswireless communication capabilities 1006. Thewireless communication capabilities 1006 may be used to transmit data and system commands to or from a user device such that a user can receive an estimate body temperature with an associated certainty value and such that a user may adjust a field of view of the non-contactoptical temperature sensor 1008. -
Toilet 1000 may contain acontroller 1014, andpower source 1016.Power source 1016 may be battery power, generator power, or a wired power connection.Controller 1014 may contain one or more processors, memory, and wireless/wired transceivers for communicating data to remote computers, user devices, and remote databases.Controller 1014 may be operably connected to one or more non-contact optical temperature sensors. A processor in the controller may be programmed to carry out data manipulation functions, data processing functions, data filtering functions, and programmed application data functions. Memory in the controller may store program data for carrying out programmed data functions. Data may be communicated over the Internet or over local networks and devices. - The systems and methods disclosed herein may be embodied in other specific forms without departing from their spirit or essential characteristics. The described embodiments are to be considered in all respects only as illustrative and not restrictive. The scope of the invention is, therefore, indicated by the appended claims rather than by the foregoing description. All changes which come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (20)
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
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US20190277710A1 (en) * | 2018-03-08 | 2019-09-12 | Zhongshan Anbo Health Technology Co., Ltd. | Toilet capable of measuring body temperature |
WO2021236317A1 (en) * | 2020-05-19 | 2021-11-25 | Toi Labs, Inc. | Bathroom temperature sensor |
WO2021240865A1 (en) * | 2020-05-27 | 2021-12-02 | パナソニック株式会社 | Imaging device |
US20220361754A1 (en) * | 2021-05-17 | 2022-11-17 | Casana Care, Inc. | Systems, devices, and methods for measuring body temperature of a subject using characterization of feces and/or urine |
US11511004B2 (en) * | 2019-06-12 | 2022-11-29 | Jun Gue LEE | Toilet equipped with infrared generator |
DE102021133283A1 (en) | 2021-12-15 | 2023-06-15 | Hamberger Industriewerke Gmbh | Toilet seat set and toilet |
WO2023106383A1 (en) * | 2021-12-09 | 2023-06-15 | 株式会社メタジェン | Health condition evaluating method, health condition evaluating system, program, and defecation detecting method |
Family Cites Families (1)
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CN205975865U (en) * | 2016-07-20 | 2017-02-22 | 重庆恭逸科技有限公司 | Mounting structure of body temperature sensor among intelligent closestool |
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2016
- 2016-12-02 US US15/367,591 patent/US9993161B1/en active Active
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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US20190277710A1 (en) * | 2018-03-08 | 2019-09-12 | Zhongshan Anbo Health Technology Co., Ltd. | Toilet capable of measuring body temperature |
US10760978B2 (en) * | 2018-03-08 | 2020-09-01 | Zhongshan Anbo Health Technology Co., Ltd. | Toilet capable of measuring body temperature |
US11511004B2 (en) * | 2019-06-12 | 2022-11-29 | Jun Gue LEE | Toilet equipped with infrared generator |
WO2021236317A1 (en) * | 2020-05-19 | 2021-11-25 | Toi Labs, Inc. | Bathroom temperature sensor |
WO2021240865A1 (en) * | 2020-05-27 | 2021-12-02 | パナソニック株式会社 | Imaging device |
US20220361754A1 (en) * | 2021-05-17 | 2022-11-17 | Casana Care, Inc. | Systems, devices, and methods for measuring body temperature of a subject using characterization of feces and/or urine |
US11969229B2 (en) * | 2021-05-17 | 2024-04-30 | Casana Care, Inc. | Systems, devices, and methods for measuring body temperature of a subject using characterization of feces and/or urine |
WO2023106383A1 (en) * | 2021-12-09 | 2023-06-15 | 株式会社メタジェン | Health condition evaluating method, health condition evaluating system, program, and defecation detecting method |
DE102021133283A1 (en) | 2021-12-15 | 2023-06-15 | Hamberger Industriewerke Gmbh | Toilet seat set and toilet |
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