Abstract: The present invention is directed to a toilet that includes a slanted fill tube with an optical proximity sensor positioned on or within the inner surface of the fill tube. The optical proximity sensor includes an incoherent light source and a photodiode. The optical proximity sensor as disclosed herein detects small changes in volumes added to a toilet bowl. Consequently, small volumes of excrement that are deposited in the toilet bowl by a user may be detected with greater accuracy. In some embodiments, information about the volume of urine or feces deposited into the toilet bowl is recorded and calculated by a processor. Other sensors, including a toilet bowl water level sensor and a gas sensor may collect data in combination with the optical proximity sensor to provide more complete information about the user's health.

Abstract: A smart flush toilet apparatus provides dynamic control of a toilet flush length and/or a toilet flush water volume based on data collected from toilet paper dispenser sensors and/or toilet bowl displacement sensors. A toilet paper dispenser may be used to report toilet paper usage to resupply toilet paper.

Abstract: A modular toilet is disclosed comprising a toilet shell and a hydraulic core. The hydraulic core module is a separate unit from the toilet shell module and may be non-symmetrical with the internal and external form of the shell. The core module comprises a toilet bowl connected to a siphon drain comprising a weir. The drain may be a vertical loop drain. The toilet shell and the hydraulic core may comprise mutual sealing surfaces. The drain may comprise openings for connection to a toilet ventilation system.

Abstract: An rinsing seat for a rimless toilet is disclosed. In one embodiment, the rinsing seat includes a large annular cavity for the purpose of storing and dispensing rinse water. In another embodiment, the rinsing seat includes a smaller annular cavity for the purpose of dispensing rinse water from a pressurized line. Outlet nozzles arranged about the circumference of the rinsing seat and designed to dispense rinse water at varying angles relative to the rinsing seat are disclosed. Rinsing seat supports, hinge assemblies, and seat sensors which offer additional functionality to the rinsing seat are also disclosed and claimed herein.

Abstract: An excreta-sampling toilet is disclosed which includes a bowl, a processing apparatus, and a chiller. The bowl separates excreta into solid excreta and liquid excreta. The processing apparatus then processes the solid excreta into a solid excreta sample, including metering it by weight or volume and storing it in containers. The chiller lowers the temperature of the sample, which is stored to await analysis. A metered liquid excreta sample is also stored and chilled in separate storage containers.

Abstract: An in-toilet urine sampling and measurement system is disclosed. One or more toilet sensors trigger volatilization, measurement, and analysis of volatile compounds in a urine sample. Volatile urine compounds may be concentrated, measured, and analyzed by a measurement system attached to a toilet bowl. A volatilizer system may use heat generated from one or more measurement devices to assist in volatilization of the urine sample.

Abstract: An excreta-sampling toilet is disclosed which includes a bowl, a processing apparatus, and a chiller. The bowl separates excreta into solid excreta and liquid excreta. The processing apparatus then processes the solid excreta into a solid excreta sample, including metering it by weight or volume and storing it in containers. The chiller lowers the temperature of the sample, which is stored to await analysis. A metered liquid excreta sample is also stored and chilled in separate storage containers.

Abstract: A health condition determination method is disclosed. Analyte samples may be obtained from a medical toilet in individual sessions on a daily basis and analyzed over weeks, months and years. Data collected from these samples is analyzed according to a predetermined target variance. The data is filtered and recursively analyzed inputting additional sample data until the refined measured variance is within the target variance. The determined health condition is then communicated to a health professional.

Abstract: A user-identifying adjustable footstool that is capable of identifying individual users and automatically adjusting based on user-identification. The footstool can save preferences for different users, such as specific heights or angles. These preferences are called when a user is successfully identified by the footstool. The user-identifying adjustable footstool is particularly useful in conjunction with a toilet, to allow users to achieve individualized squatting positions while using traditional western toilets.

Abstract: A thin scale apparatus for measuring body weight includes 5 or more force sensors within a total thickness of between 0.4 inches and 0.004 inches measured between a bottom surface and a top surface of the thin scale apparatus. The thin scale is designed to be thin enough to be non-intrusive or not recognized by a user. A weight of a toilet user may be determined as a combination of additive force of force sensors in a thin scale and force sensor associated with a toilet seat of a toilet. The force sensors may be positioned in one or more cavities on a bottom side of a substrate material of the thin scale or be embedded within a substrate material. Embodiments of a standalone thin scale and a thin scale with a toilet are disclosed.

Abstract: A toilet with a base portion containing a front facing user-accessible compartment is disclosed. A channel is provided within a base portion for connecting a floor sewer pipe to the raised base of the toilet. Multiple embodiments are disclosed in which the user-accessible front facing user-accessible compartment comprises a retractable foot spa, a retractable scale, a computer processor, and user health devices. User interfaces are disclosed for the operation of the front facing user-accessible compartment and other functions of the front facing user-accessible compartment. Latching and moving mechanisms are also disclosed and claimed herein.

Abstract: A toilet comprising a rinsing seat, a rimless bowl, and a helical loop trapway is disclosed. An annular cavity for the purpose of storing and dispensing rinse water from the rinsing seat is disclosed. Outlet nozzles arranged about the circumference of the rinsing seat and designed to dispense rinse water at the rimless bowl are disclosed. Rinsing seat supports, hinge assemblies, and seat sensors which offer additional functionality to the rinsing seat are also disclosed. The toilet includes a steep interior surface with a titanium dioxide coating and actuatable ultraviolet light sources. The titanium dioxide has antimicrobial properties in the presence of ultraviolet light to sanitize the toilet. The ultraviolet light source is actuatable to control when the antimicrobial properties of the titanium dioxide coating are activated. The exterior of the toilet is coated with doped titanium dioxide which is antimicrobial in the presence of visible light.

Abstract: A toilet apparatus for providing intelligent bidet position and dispensing is disclosed. Dynamic dispensing according to a bidet wand position, type of substance dispensed, user preferences, user gender, and user identification is disclosed. Cleansers, surfactants, moisturizers, medicines, deodorants, and fragrances are dispensed through a bidet wand to a user.

Abstract: An rinsing seat for a rimless toilet is disclosed. In one embodiment, the rinsing seat includes a large annular cavity for the purpose of storing and dispensing rinse water. In another embodiment, the rinsing seat includes a smaller annular cavity for the purpose of dispensing rinse water from a pressurized line. Outlet nozzles arranged about the circumference of the rinsing seat and designed to dispense rinse water at varying angles relative to the rinsing seat are disclosed. Rinsing seat supports, hinge assemblies, and seat sensors which offer additional functionality to the rinsing seat are also disclosed and claimed herein.

Abstract: A modular toilet is disclosed comprising a toilet shell and a hydraulic core. The hydraulic core module is a separate unit from the toilet shell module and may be non-symmetrical with the internal and external form of the shell. The core module comprises a toilet bowl connected to a siphon drain comprising a weir. The drain may be a vertical loop drain. The toilet shell and the hydraulic core may comprise mutual sealing surfaces. The drain may comprise openings for connection to a toilet ventilation system.

Abstract: A quiet toilet apparatus disclosed. Microphones and circuitry are used to receive and detect one or more virtual point source locations and propagation directions of unwanted toilet noise. Speakers are used to create one or more synthesized wave fronts resulting in cancelation and reduction of unwanted toilet noise. The speakers, microphones and circuitry may be located within a toilet seat of a toilet or at a remote location. A user device or remote device may be connected to the noise reduction toilet apparatus for data recording, collection, reporting, and electronic noise filtering.

Abstract: A health monitoring toilet system collects urine in a toilet system which may resemble a traditional water toilet. The toilet system may include a urine capture basin for collecting urine as a user urinates as with a traditional toilet. The urine capture basin may include a urine entry aperture which is an orifice leading into a urine sample cell. A fiber optic spectrometer may analyze the urine in the urine sample cell to collect relevant health data. The system may include a controller which may store and analyze spectral data and compile longitudinal data over time. The system may be in connection with other such systems to compare the analysis of a user's urine with those of other users stored in other such health monitoring toilet systems.

Abstract: A urinalysis cassette and system that includes a toilet, into which a urinalysis cassette is inserted. The cassette is comprised of a roll of color-change-reagent strips. Each strip includes a plurality of strip sections wherein an absorbent material is imbued with color-change reagent, or onto which one or more color-change reagents are dispensed. The color-change-reagent strips are consecutive and contiguous on the roll. A cassette includes two spools arranged such that when the spools turn, the reagent strip moves from a first (source spool) to a second (waste spool). The section of the reagent strip that is between the two spools may be exposed to a urine specimen. The absorbent-material strips that have been exposed to both a urine specimen and a color-change reagent may undergo a chemical reaction. Selective-lighting illumination may be applied to absorbent-material strips that have undergone such chemical reactions to measure reflectivity of certain color wavelengths.

Abstract: A hidden hinge system for raising and lowering a toilet seat or toilet lid is disclosed. In one embodiment, each hinge includes a curved support with a smooth, easy to clean surface. The curved support is connected to a lever and the lever is connected to a hinge assembly. We disclose embodiments in which both the lever and the hinge assembly are enclosed within a toilet housing to improve cleanliness. We further disclose embodiments in which the curved supports are hollow and which contain electrical wiring, water, and gases. Controller and proximity sensors which modulate the raising and lowering of the toilet seat and toilet lid are also disclosed and claimed herein.

Abstract: A dryer for use with a bidet is disclosed. In one embodiment, a moveable dryer wand emits an air curtain as the dryer wand moves across the bidet bowl beneath the user after cleansing. We further disclose a dryer which produces a second air current which moves air in a different direction than that emitted by the dryer wand and further controls the movement of excess water remaining on a user after cleansing. A dryer that includes moveable dryer wand used in coordination with a moveable bidet wand are also disclosed and claimed herein.