Abstract: A stone niche assembly system and method is disclosed, which includes collapsed and adjustable modular stone tile components with stabilizing grooves to be assembled into a stone niche for installation in the wall of a shower enclosure, for example.

Abstract: A shower receptor includes a base having a floor surface configured for a user to stand on. The floor surface includes a first portion having a first coefficient of friction and a second portion having a second coefficient of friction. The first portion is an etched area of the floor surface that defines a surface texture having a depth. The second portion is an unetched area of the floor surface. The first coefficient of friction of the first portion has a first value when the first portion is wet and the second coefficient of friction of the second portion has a second value when the second portion is wet. The first value is higher than the second value.

Abstract: Methods, systems, devices and apparatuses for a hand sanitizing system. The hand sanitizing system includes a hand sanitizing dispenser. The hand sanitizing dispenser is positioned within the vehicle and configured to dispense a cleaning solution. The hand sanitizing dispenser includes a first sensor. The first sensor is configured to detect an amount of a substance on a hand of a user. The hand sanitizing system includes an electronic control unit. The electronic control unit is coupled to the hand sanitizing dispenser and the first sensor. The electronic control unit is configured to determine that the hand of the user is unclean based on the amount of the substance on the hand of the user. The electronic control unit is configured to activate the hand sanitizing dispenser to allow the hand sanitizing dispenser to dispense the cleaning solution.

Abstract: A cleansing device is proposed. The cleansing device may include an inner cleansing part coming into close contact with a cleansing target; an outer cleansing part provided outside the inner cleansing part; and a rotating part configured to rotate the inner cleansing part and the outer cleansing part relative to each other. The inner cleansing part and the outer cleansing part have at least one contact point.

Abstract: A moisture retaining pocket towel includes a water retaining mechanism having an absorbing layer, a base layer and an outer layer. The water retaining mechanism is divided into a first half portion and a second half portion which is capable to be folded in half to move between a folding position and an actuating position. The moisture retaining pocket towel also has an outer rim being jointed by an upper portion rim and a lower portion rim encasing around an outer edge of the water retaining mechanism for retaining moisture. In folding position, the water retaining mechanism is folded in half and the exposure of the absorbing layer to the outside environment is minimized for retaining moisture. In addition, magnetic elements are used to retain the folding position.

Abstract: A storage and dispensing device for standard and industrial size toilet paper rolls has a mounting member, a base member, a roll storage member, and a mounting element. The mounting element is positioned on the mounting member, and utilizes an over-the-door hook or one or more apertures to hang the mounting member from a door or wall. The base member is connected to the bottom of the mounting member. The roll storage member is connected to the base member opposite the mounting member and is angled upwards to accept multiple rolls of toilet paper. An industrial sized toilet paper roll may be accommodated by the base member. The mounting member may be adjustable in length. An upper roll storage member may be connected to the mounting member opposite the base member for additional roll storage. A locking member between the roll storage member and the mounting member may prevent theft.

Abstract: Toilet-mounted electrical device created to extract and eliminate via ignition the gases from the toilet bowl that generate the bad odor coming from human flatulence and feces.

Abstract: The disclosure relates to an apparatus for lifting a movable base of a toilet, and more particularly to an apparatus for lifting a movable base of a toilet, which can simplify a structure and assist a toilet user in safely standing up by making the movable base where the toilet user sits be automatically movable with a simple structure, be driven to have lifting movement and pivoting movement, and be structured to minutely generate the pivoting movement, and which can quickly deal with emergency situations of a user by making an alarm go off in the emergency situations and transmitting information about the emergency situations to at least one previously set terminal.

Abstract: The cleaning device is a device made up of a handle, connector, paddle, and a cover surrounding the paddle. Together, it can be used to clean between double pane windows. An operator may put the cover on the paddle, pull the cover straps over the paddle, and, grabbing the handle, place the device between the double pane windows. The operator may stroke the device in an upward, downward, or side-to-side motion to clean the window surfaces. Lastly, the paddle on the cleaning device has little hemispherical protrusions that stick out on one side of the paddle in order to grip the cover. The protrusions help the cover clean the window surfaces. The cleaning device includes a handle and a connector with a first end portion having an angled portion and a straight second end portion attachable to the handle.

Abstract: A vacuum cleaner is provided with a chassis and a suction nozzle coupled with the chassis for both vertical and horizontal movement relative to the chassis. The nozzle can be configured to automatically move vertically upon encountering a predetermined amount of resistance to forward or rearward movement of nozzle over a surface to be cleaned.

Abstract: A dust collector comprises: a first container, a vacuum motor, a first-flow guiding unit, and a second flow-guiding unit; wherein the first container is set with a first tube-body, and the vacuum motor is set on a cover-body; wherein the motor is set with a filter, wherein the first flow-guiding unit and the second flow-guiding unit are respectively detachably combined with a second container and a third container; wherein the second flow-guiding unit is located in the first flow-guiding unit, and the first tube-body sucks in air, so that the dust and debris in the air enter the first container; wherein the air sequentially passes through the first flow-guiding unit and the second flow-guiding unit to form a vortex to make the fine dust fell into the second container and the third container; and the air is finally discharged by the vacuum motor after passes through the filter.

Abstract: Disclosed is a dust collector that includes a filter frame, a cartridge filter, an end cap, and a cover. The filter frame is provided with a center column. The end cap is provided with a bottom plate, a plurality of sliding slots, a plurality of first side walls, a plurality of baffles extending from the first side walls, and a plurality of clamping members. The cover is provided with a plurality of protruding members and a plurality of extending members. The protruding members are operative to rotate along with the cover along the sliding slots. The filter frame includes an accommodating space configured for accommodating the filter frame. The bottom plate is provided with a plurality of through openings that run through the bottom plate. The through openings are disposed opposite to the baffles and are configured to communicate between the sliding slots and the accommodating space. The extending members extend into the through openings. The bottom plate and baffles are spaced apart.

Abstract: The present disclosure relates to a robot cleaner having a filter for preventing the cleaner from being constrained by an obstacle. The robot cleaner has a constraint prevention filter arranged to face the front with respect to an agitator, and thus the robot cleaner may be prevented from being constrained as a result of an obstacle being stuck on a cleaning nozzle. In addition, the present disclosure relates to a depth sensor control system enabling the depth of an object to be accurately measured by controlling the amount of light received by a sensor. The depth sensor control system measures, at a light-receiving part, the intensity and frequency of an infrared (IR) ray reflected from an object, and controls the amount of light based on a histogram created using the measurement, and thus enables depth information of an object to be accurately measured without using separate additional equipment.

Abstract: The disclosure relates to a system, comprising a vacuum apparatus having a vacuum apparatus housing and having at least one vacuum apparatus mains socket, the at least one vacuum apparatus mains socket being attached to the vacuum apparatus housing. According to the disclosure, the system additionally comprises a plug-in module, having a plug-in module communication unit, an electrical plug-in module mains plug unit, and a current control unit, which is designed to control an electrical current between the plug-in module and the vacuum apparatus.

Abstract: A surface cleaning apparatus adapted for movement across a surface to be cleaned. The surface cleaning apparatus can dock within a storage tray and charge a power supply. Electrical contacts on the surface cleaning apparatus and the storage tray can be shielded when the surface cleaning apparatus is not docked within the storage tray. Furthermore, the storage tray can include a reservoir for a self-cleaning mode.

Abstract: A surface cleaning apparatus adapted for movement across a surface to be cleaned. The surface cleaning apparatus can dock within a storage tray and charge a power supply. Electrical contacts on the surface cleaning apparatus and the storage tray can be shielded when the surface cleaning apparatus is not docked within the storage tray. Furthermore, the storage tray can include a reservoir for a self-cleaning mode.

Abstract: A cleaning wheel structure, which mainly comprises a cleaning unit, a universal joint and an elastic element, wherein the cleaning unit comprises a plurality of clamping jaws disposed around the circumference of the shaft thereof, and each of the clamping jaws has a positioning groove, the universal joint is disposed between the plurality of clamping jaws, the elastic element is disposed between the universal joint and the cleaning unit, wherein the outer surface of the universal joint is convexly provided with a positioning portion for embedding with the positioning grooves, with the above structure, when the cleaning unit is stuck and cannot be driven to rotate by the universal joint, the positioning portion repeatedly pushes each of clamping jaws outwardly to rotate and to be embedded in the next positioning groove, so that the universal joint no longer drives the cleaning unit.

Abstract: A cleaning sheet has a first direction, a second direction, and a thickness direction that are orthogonal to each other. The cleaning sheet includes: a water retention sheet that retains a chemical solution; a surface sheet that is a nonwoven fabric; and a cleaning region. The surface sheet includes: a first surface on a side of a surface to be cleaned; and a second surface on a side of the water retention sheet. The surface sheet includes, in the cleaning region, a plurality of flap portions. Each of the plurality of flap portions includes: one end; another end; a fixed end portion that connects the one end and the another end; and a free end portion that protrudes from the one end and the another end as starting points toward a direction away from the fixed end portion.

Abstract: A conveyor type ware washing machine uses a heat pump to reduce exhaust heat and to heat incoming water. A modulating valve is used to control incoming water flow through a heat exchanger of the heat pump. Processing circuitry automatically dynamically adjusts the modulating valve between a plurality of open states based on the sensed refrigerant head pressure of the heat pump, so that the refrigerant head pressure is maintained in a predefined range. The ware washing machine is efficient, and reduces the amount of heat exhausted to ambient. Related methods are also disclosed.

Abstract: A dishwasher including a cabinet with a treating chamber having an open face, which is selectively closed by a door assembly. The door assembly has an outer door spaced from an inner door to define an interior space between the outer and inner doors. A stiffener is located between the inner and outer doors.

Abstract: Some embodiments of the present disclosure provide an air exhausting device for kitchenware, a dishwasher, and kitchenware. The air exhausting device for kitchenware includes: an air duct including an air outlet end and a first connecting portion disposed on the air outlet end; and an air outlet member including an air inlet end and a second connecting portion provided on the air inlet end, and an air outlet end of the air outlet member being provided with an air outlet port. The first connecting portion is slidably coupled to the second connecting portion for adjusting a relative position of the air outlet port and the air duct.

Abstract: A kitchenware-retaining device for a dish rack, including a rigid portion to connect to at least one kitchenware disposed on the dish rack to hold the at least one kitchenware in a predetermined position, and a flexible portion disposed on at least a portion of the rigid portion to connect to at least a portion of the dish rack to prevent movement away therefrom.

Abstract: An endoscope system includes a light source configured to generate either one of first illumination light and second illumination light, an image pickup apparatus configured to obtain an image by picking up an image of an object, and a processor. The processor is configured to make an instruction to set an observation mode of the endoscope system at either one of a first observation mode and a second observation mode, detect an observation state at a time of observing the object based on a feature value calculated from pixel values included in pixels forming a first image, and invalidate an instruction to set the observation mode of the endoscope system at the second observation mode when the observation state at the time of observing the object is not an appropriate observation state.

Abstract: An endoscope apparatus includes an endoscope having a lens, an actuator, and an endoscope memory, and a processor having a driving circuit and a processor memory and connected to the endoscope. The processor judges whether there is abnormality or not in at least one of the actuator or the driving circuit by using information on a signal transmitted from the driving circuit to the actuator, first judgement information read from the endoscope memory, and second judgement information read from the processor memory.

Abstract: Various embodiments are generally directed to positioning techniques to facilitate entry of a flexible elongate member (e.g., endoscopic accessory tool) into and/or through selected anatomies, such as by directing a set of positional controls based on feedback from a set of transducers to achieve or maintain a position within a body lumen, for instance. Some embodiments are particularly directed to a feedback loop for positioning or guiding a flexible elongate member into a target configuration for one or more of inspection, orientation, and/or facilitating access to body passageways. In one embodiment, for example, a device manager may include circuitry to operate at least one positional control in a set of positional controls based on data indicative of a current configuration of a flexible elongate member generated by a set of transducers.

Abstract: An endoscopic device includes a handle body operatively couplable to a shaft housing. The handle body includes an actuator for controlling a distal end of an endoscopic shaft extending from the shaft housing. The device also includes a pull wire attachment configured to operatively couple to a pull wire extending through the shaft housing and the endoscopic shaft to the distal end. Applying tension to the pull wire deflects the distal end of the endoscopic shaft. In addition, the device includes a pulling mechanism coupled to the actuator and having the pull wire attachment extending therefrom. When the pull wire attachment is operatively coupled to the pull wire, actuation of the actuator applies tension to the pull wire and deflects the distal end of the endoscopic shaft.

Abstract: A driving force transmission mechanism for an endoscope includes an insertion portion, an operation portion, an electric motor, an output member, a rotation transmission member, an inside plane, a first plane, a second plane and a third plane configured to come into contact with a proximal end of the output member when at least part of the second plane comes into contact with the inside plane to thereby restrict the rotation transmission member from moving toward the distal end side in the axial direction with respect to the output member.

Abstract: An endoscope handpiece and system may include an angle of view selector, a depressible button, which may be connected to a lock disposed within a port of the endoscopic handpiece. The system may further provide an endoscope, which may be connected to the handpiece via the port and locked in place by the lock.

Abstract: A vent control valve for an endoscope includes a shaft body including a pin fixing portion, and a vent hole including a long hole with an opening provided in one end surface, and a long hole communication hole configured to cause an outside and an inside of the long hole to communicate with each other, a tubular member including a shaft body hole configured to house the shaft body, and a cam groove in which the cam pin is disposed, a rotational member including a tubular member hole where the tubular member is disposed, a cam pin groove where the cam pin is disposed, and a plurality of engaging holes, and a cylindrical housing member including an attaching portion fixedly provided in a casing through-hole, and a housing hole communicating with the internal space.

Abstract: A distal end hood that is detachably mounted on a distal end portion of an endoscope includes a groove having a groove bottom portion formed in a ring shape over an entire circumference at a predetermined position on an outer peripheral surface of the distal end hood, a plurality of projections, which are provided on an inner peripheral surface on one side sandwiching the groove and in each of which a tapered surface is formed, the tapered surface reducing a wall thickness by continuously increasing a diameter of an inner peripheral surface from the groove side toward a distal end surface of the distal end hood, and a locking portion provided on a side opposite to the projections sandwiching the groove and locked to the distal end portion of the endoscope, in which the projections are configured to bend at the groove bottom portion toward a proximal end side.

Abstract: An endoscope system includes an endoscope and a distal end hood. The endo scope includes an insertion portion, a first optical system, a second optical system, an optical component, and a protruding member. The distal end hood includes a frame and a filter including a light transmission body and a support member provided at a non-contact position with the protruding member to support the light transmission body.

Abstract: An inflatable in-vivo capsule endoscope and method of operation is provided. The inflatable in-vivo capsule endoscope may include a sensing device for capturing in-vivo images and one or more permanent magnets for magnetically guiding the endoscope, housed interior to a capsule-shaped body. The inflatable in-vivo capsule endoscope may include an inflatable buoy attached externally to the capsule-shaped body. An inflation device may inflate the in-vivo capsule endoscope to reduce its specific gravity by injecting gas into the inflatable buoy, such that when the inflatable buoy is injected with an above threshold volume of gas, the inflatable in-vivo capsule endoscope floats in liquid. The inflatable in-vivo capsule endoscope may be magnetically guided via its permanent magnets when exposed to an externally generated magnetic field. A reduced magnetic field strength and external magnet size may be used to magnetically navigate an inflated capsule floating in liquid than a conventional uninflated capsule.

Abstract: An irrigation device is integrated into a ureteroscope housing. The surgeon can increase flow of irrigation fluid by squeezing a compressible chamber of the irrigation device with the same hand used to hold the ureteroscope housing. A standard fluid bag and tubing can deliver irrigation fluid to the irrigation device.

Abstract: A disposable air/water valve for an endoscope, including a shaft having a passage from an opening to a vent. The shaft has grooves and ridges and a protrusion formed at the vent. Seals are set within some of the grooves. An inner ring, having a diaphragm, extends from an outer circumference of the inner ring to an internal circumference of an outer cap. Hinges extend vertically downward from the diaphragm and ribs are formed along the internal circumference of the outer cap. A button cap has an internal ring that securely attaches to the shaft. A resilient member is securely disposed between the button cap and the diaphragm. The outer cap, inner ring, and internal ring of the button cap define a central bore to accommodate the shaft therein.

Abstract: An endoscope includes a handle, an elongated body, an image sensor, a lens, a light source disposed within a distal portion of the elongated body, a processor, and a controller. The processor is disposed in electrical communication with the image sensor and the light source, and is configured to analyze at least one characteristic of a first image captured by the image sensor. The controller is disposed in electrical communication with the processor, and is configured to supply current to the light source based on the at least one characteristic of the first image analyzed by the processor.

Abstract: An endoscope apparatus includes an illumination device emitting a plurality of lights with different wavelength bands at least two different timings in time series, and a processor including hardware. The plurality of lights includes a first light and a second light. The processor is configured to generate a highlighted image in which a specific structure under a mucus membrane is highlighted, based on a plurality of images obtained by the emission of the plurality of lights. The illumination device emits the first light and the second light continuously. The first light has a first wavelength band corresponding to a luminance component of the highlighted image. The second light has a second wavelength band that enables capturing of an image of the specific structure with higher contrast than the first light.

Abstract: An endoscope apparatus includes: an illumination device emitting first to third illumination light; an imaging device capturing an image using return light from a subject; and a processor including hardware. The processor generates a display image based on first to third images captured with the first to third light emitted. A first absorbance difference (difference in absorbance of ?-carotene between the first and second illumination light) is smaller than a second absorbance difference (difference in absorbance of metmyoglobin between the first and second illumination light). A peak wavelength of the third illumination light differs from peak wavelengths of the first and second illumination light. Based on the first to third images, the processor generates the display image that displays a thermally denatured muscle layer, a fat layer, and a muscle layer that is not thermally denatured of the subject, in an identifiable manner from each other.

Abstract: An endoscope apparatus includes: an illumination device emitting first to third illumination light; an imaging device capturing an image using return light from a subject; and a processor including hardware. The processor generates a display image based on first to third images captured with the first to third light emitted. A first absorbance difference (difference in absorbance of ß-carotene between the first and second illumination light) is larger than a second absorbance difference (difference in absorbance of metmyoglobin between the first and second illumination light). A peak wavelength of the third illumination light differs from peak wavelengths of the first and second illumination light. Based on the first to third images, the processor generates the display image that displays a thermally denatured muscle layer, a fat layer, and a muscle layer that is not thermally denatured of the subject, in an identifiable manner from each other.

Abstract: Embodiments of the present invention are directed to providing an effective and reliable approach for cleaning an exposed surface of an imaging element (e.g., a lens) of apparatuses including but not limited to medical imaging instruments such as endoscopes and laparoscopes and the like. In the case of medical imaging instruments, cleaning apparatuses configured in accordance with embodiments the present invention can be cleaned while the distal end portion of the endoscope is in vivo. Such apparatuses have a cleaning member incorporated therein (e.g., a resilient polymeric wiper, a sponge, an absorbent pad or the like) that is used for cleaning the exposed surface of the imaging element. The apparatus is preferably adapted for being mounted on imaging apparatus but can also be entirely or partially integral with one or more components of the imaging apparatus or system of which it is a component.

Abstract: Embodiments of the present invention are directed to providing an effective and reliable approach for cleaning an exposed surface of an imaging element (e.g., a lens) of apparatuses including but not limited to medical imaging instruments such as endoscopes and laparoscopes and the like. In the case of medical imaging instruments, cleaning apparatuses configured in accordance with embodiments the present invention can be cleaned while the distal end portion of the endoscope is in vivo. Such apparatuses have a cleaning member incorporated therein (e.g., a resilient polymeric wiper, a sponge, an absorbent pad or the like) that is used for cleaning the exposed surface of the imaging element. The apparatus is preferably adapted for being mounted on imaging apparatus but can also be entirely or partially integral with one or more components of the imaging apparatus or system of which it is a component.

Abstract: Embodiments of the present invention are directed to providing an effective and reliable approach for cleaning an exposed surface of an imaging element (e.g., a lens) of apparatuses including but not limited to medical imaging instruments such as endoscopes and laparoscopes and the like. In the case of medical imaging instruments, cleaning apparatuses configured in accordance with embodiments the present invention can be cleaned while the distal end portion of the endoscope is in vivo. Such apparatuses have a cleaning member incorporated therein (e.g., a resilient polymeric wiper, a sponge, an absorbent pad or the like) that is used for cleaning the exposed surface of the imaging element. The apparatus is preferably adapted for being mounted on imaging apparatus but can also be entirely or partially integral with one or more components of the imaging apparatus or system of which it is a component.

Abstract: Embodiments of the present invention are directed to providing an effective and reliable approach for cleaning an exposed surface of an imaging element (e.g., a lens) of apparatuses including but not limited to medical imaging instruments such as endoscopes and laparoscopes and the like. In the case of medical imaging instruments, cleaning apparatuses configured in accordance with embodiments the present invention can be cleaned while the distal end portion of the endoscope is in vivo. Such apparatuses have a cleaning member incorporated therein (e.g., a resilient polymeric wiper, a sponge, an absorbent pad or the like) that is used for cleaning the exposed surface of the imaging element. The apparatus is preferably adapted for being mounted on the imaging apparatus but can also be entirely or partially integral with one or more components of the imaging apparatus or system of which it is a component.

Abstract: An eyesight testing method as well as to an associated control module and an associated system such that when the control module receives a selection of a test symbol, the control module selects the test symbol by modifying at least one appearance-related feature of the test symbol such that the test symbol changes from an initial appearance to a modified appearance that distinguishes same from non-selected test symbols; when a first predetermined time has elapsed since the last selection of a test symbol or since the display of the test symbol or the plurality of test symbols, the control module modifies at least one appearance-related feature of the validation symbol; the control module terminates the eyesight testing method as soon as a predetermined number of test symbols has been selected.

Abstract: A method of method of processing optical coherence tomography, OCT, image data representing an OCT image of a retina of an eye, to generate mapping data which maps out a predetermined band of a plurality of distinct bands which extend across the OCT image and correspond to respective anatomical layers of the retina. The method comprises: receiving the OCT image data; processing A-scan data of the received OCT image data to generate data indicative of sequences of A-scan elements corresponding to the predetermined band of the plurality of distinct bands and having respective A-scan element values that vary in accordance with a predetermined pattern; and generating the mapping data by applying a line-finding algorithm to determine a line passing through the sequences of A-scan elements indicated by the generated data.

Abstract: An imaging system for generating an image of a region of an eye, comprising: an ocular imaging device controlled by a control module to acquire, from a first viewpoint, a first ocular image of the region having an image artefact caused by obstruction from imaging of a part of the region by an object, and a second ocular image from a predetermined second viewpoint, which shows at least a portion of the part of the region that was obstructed from imaging during acquisition of the first ocular image; and an image data processing module for combining the first and second ocular images to generate an enhanced ocular image having an image artefact caused by obstruction from imaging by the object which is smaller in relation to the image artefact in the first or second ocular image, or no such image artefact.

Abstract: A slit lamp and biomicroscope assembly can include a viewing system including a biomicroscope; an illumination system including a slit lamp with a light source and a light processing system with a first actuator; a positioning system supporting the biomicroscope and the slit lamp and including second and third actuators to position the biomicroscope along horizontal and vertical axes; and a user interface handle. The user interface handle can be graspable by a hand of a user and supported on the positioning system proximate to the biomicroscope such that a user looking into the biomicroscope can reach the user interface handle. The user interface handle can include a plurality of input devices including input devices in communication with the actuators.

Abstract: An ophthalmic scanning system includes a first imaging modality, a second imaging modality different from the first imaging modality, and a control system that maps the first imaging modality to the second imaging modality by compensating for at least one of an optical-mechanical and an electro-mechanical projection difference between the first and second imaging modalities. The control system provides a scan location for the second imaging modality based on a scan location of the first imaging modality.

Abstract: The systems and methods described herein provide a skeletal pose detection system using a mmWave radar sensor array, signal processing circuitry to generate a point cloud output using the mmWave sensor output signal, data processing circuitry to generate one or more point cloud intensity outputs using the point clout output, and AI circuitry to identify skeletal joints for each of one or more objects detected by the sensor array. The system may further include skeletal pose analysis circuitry to determine whether the skeletal joint arrangement associated with each of the one or more objects detected by the sensor array represent an arrangement indicative of a potential medical issue or other issue requiring attention and/or intervention.

Abstract: The present invention relates generally to systems and methods for measuring an analyte in a host. More particularly, the present invention relates to systems and methods for transcutaneous measurement of glucose in a host.

Abstract: A system for determining whether a user has a concussion includes: a mobile device including a camera, microphone, display, an application program running on the mobile device, and a network connection, and a back end processing server, the mobile device further including a processor that is configured to execute program instructions associated with the application that cause the mobile device to: collect audio in response to specific questions from the user using the microphone, and transmit the audio to the back end processing server, and wherein the back end processing server configured to execute program instructions to: receive the audio stream from the user, store the audio stream, process the audio stream to recognize speech within the audio stream, and compare parameters associated with the speech recognition with prior speech for the user collected on a prior occasion in response to the same questions.