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5392032 |
Apparatus for sensing wet diaper including circuit breaker
A device for signaling a wet condition in a diaper (12). The device includes a sensing means (10) for sensing wet conditions in the diaper (12) and signal means (15) connected to the sensing means...
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5341127 |
Self-contained bed wetting alarm
A compact self-contained bedwetting alarm uses intermittent vibration to awaken the user. Sensors on the surface of the alarm enclosure sense the presence of urine and activate a low frequency...
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5334973 |
Leak detection and shut-off apparatus
A leak detection and shut-off apparatus for preventing damage from leaking hot water tanks. The invention features a unique three-layered sensor that completes encases the hot water tank thus...
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5317476 |
Electronically monitored and controlled electrostatic discharge flooring system
The flooring structure of this invention controls electrostatic charges. The normal presence of moisture will not affect the floor structure's ability to control electrostatic charges. A moisture...
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5315529 |
Fluid vessel leak existence system, method and apparatus
A method, system and apparatus for monitoring an environment for the occurrence of an unexpected event, such as monitoring a containment vessel's surroundings for the presence of the contained...
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5315291 |
Leak detection device
A leak detection device for preventing damage from leaking hot water tanks. The invention features a unique three layered sensor that completely encircles the hot water tank thus detecting the...
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5311100 |
Water-activated survival lamp unit and an improved water-responsive switch therefor
A water-activated survival lamp unit for mounting to a flotation device in proximity to the water line. The survival lamp unit comprises a hermetically sealed light transmissive housing in which...
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5274359 |
Portable water activated alert system with directional indicator
A portable water activated alert system is disclosed. The system has an RF transmitter and receiver which incorporate special features. Both are battery operated and portable. The receiver includes...
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5272467 |
Apparatus for detecting and reporting liquids
An apparatus for detecting and reporting the presence of liquid on a surface has a detector unit that rests on the surface with the detector unit including at least one pair of spaced-apart...
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5268673 |
Wave motion detector for swimming pool
A swimming pool alarm responsive to wave motion that will produce a signal when two waves exceeding a threshold level of amplitude are sensed within a preset duration of time. A transducer senses...
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5266928 |
Wet diaper detector
A wet diaper detector comprises an elongated strip of material sized to be positioned in a diaper with a portion of the strip residing in a region of the diaper subject to wetness and an end of the...
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5264830 |
Apparatus for sensing wet diaper
A device for signaling a wet condition in a diaper. The device includes a sensing means for sensing wet conditions in the diaper and signal means connected to the sensing means for producing a...
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5258745 |
System and method for prediction of times of voiding utilizing temperature measurements
A temperature sensor (10), which is connected to a sampling/recording meter (14), is imbedded in a diaper (22). The meter measures and records the temperature of the sensor at time intervals of,...
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5254976 |
Liquid leak detector apparatus and method
Liquid leak detector apparatus and method including a fluid system having two fluid tanks which are fluid flow interconnected and which have a fluid flow-rate switch operative between the tanks for...
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5212453 |
Pulse echo method and apparatus for measuring the moisture content of materials
In an apparatus for determining the moisture content of a material by measuring the dielectric constant of the material by means of a measuring conductor which is disposed such that the material...
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5210525 |
Floating key finder
A floating key finder is disclosed which includes a housing which is buoyant and has a key ring attached to the housing and designed to hold a plurality of keys. An electrical circuit is contained...
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5192932 |
Sensing mat, and methods of constructing and utilizing same
A device for sensing the presence of liquids or other substances and warning of potential hazards. The device includes a mat which is constructed of metalized sheets. This mat may be cut to any...
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5190069 |
Apparatus and method for detecting leaks
A leak detection apparatus is shown for monitoring leakage from household water systems. Upon detection of a leak, the water supply valve is automatically shut off. A pair of spaced apart wires are...
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5174656 |
Temperature measurement system
A device for measuring the temperature of humans having a measuring device which is placed in contact with the skin and a triggering mechanism for activating the temperature measurement. The...
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5171524 |
Apparatus for detecting corrosive conditions in pipelines
Apparatus for detecting corrosive conditions in pipelines comprises a wire having an electric potential different from the electric potential of the pipeline. The wire is disposed in the pipeline...
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5153564 |
Leak damage prevention system
A battery-powered, liquid-detection alarm and shut-off system includes an elongated sensor, an electronic controller, and a spring biased shut-off valve assembly. The sensor comprises two partially...
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5151685 |
Water level alarm apparatus
An alarm mounted within a housing, such as a drain housing of an air conditioner, including an elongate, planar sponge sheet, the sponge sheet mounted to a collar that is orthogonally affixed to a...
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5150103 |
Fixture containing compact rotational positioning sensor
A fixture containing a compact rotational position sensor mounted directly to a driving contrivance for detecting movement of a member. The fixture comprises an attachment flange having a central...
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5148218 |
Image forming apparatus with a humidity detector
An image forming apparatus having a humidity detector which is detachably attached to the main apparatus body that accommodates an image forming member. The humidity detector detects a humidity in...
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5144284 |
Patient-monitoring bed covering device
A bed covering device provides monitoring signals responsive to movement and urination of a person lying upon a bed. The device is constructed of a fitted bedsheet having a perimeter adapted to...
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5138300 |
Water immersion alarm system
A water immersion alarm system mounts a water sensor-transmitter carrier unit on the person of a child in a manner that prevents the child or a friend of the child from removing the carrier unit...
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5127771 |
Narrow or slotted wall which is introduced into a substratum and sealing wall composition contained therein
A narrow wall or slotted wall which is introduced into a geological substratum or foundation, including a sealing wall composition contained therein, and at least one sealing wall plate which, for...
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5121630 |
Material monitoring device
The present invention is directed to devices for detecting the moisture content of material such as a diaper using a change in bulk dielectric constant. More particularly, the invention relates to...
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5109218 |
Hydrocarbon detection circuit
A circuit for detecting hydrocarbons comprises an input circuit receptive of an input signal representative of the electron movement in an unknown sample to be detected for producing a first...
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5101657 |
Sensors for detecting and locating fluids
Devices for detecting and obtaining information about an event, for example the presence of a liquid, which comprise (1) a swellable member which swells upon occurrence of the event and (2) a...
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5099873 |
Water cooler drain pan apparatus
A polymeric insert is arranged for securement within a base portion of a water cooler housing to accommodate drainage from a water cooler top wall. Drainage and condensation is accommodated to...
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5091715 |
Leak detection and alarm system
A leak alarm system monitors the wetness of a floor. The alarm system comprises a housing having a flat bottom surface and support feet for supporting the housing off the floor such that each one...
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5077526 |
Cable failure detection system
A system is provided for monitoring a communications cable for moisture penetration. A line signal generator is connected to a metal armour layer of the cable to apply a line signal to the armour....
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5059952 |
Survivor locator light with water-activated switches
A light assembly includes a light bulb, a socket, batteries, a novel water activated electrical switch, a novel manual override, a novel desiccant to keep the ambient air dry, and a case for...
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5043704 |
Enuresis avoidance training aid
An apparatus which is worn to condition the wearer against bed wetting is disclosed. The apparatus includes a wetness sensor that has a circuit pattern in which a multiplicity of interleaved,...
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5030152 |
Life saving device
A life-saving device for protection against drowning, the device incorporating buoyancy apparatus for holding the potential drowning victim and an attached transmitter above water. A receiver and...
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5029293 |
Device for locating an individual fallen into the sea
A safety device for locating an individual fallen into the sea includes a visual indicator in the form of a dye and an intermittently operated lamp (3), and a radio transmitter (9) for transmitting...
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5017908 |
Solvent responsive signal-carrying device
A signal-carrying member responsive to the presence of a solvent and suitable for use in a security cable or a liquid leakage detector, comprises a conductive ink 20, consisting of a particulate...
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5015996 |
Switch device with a trouble detecting and indicating function
A novel electro-mechanical switch device is disclosed which is suitable for use in a factory production line to detect and control the flow of workpieces or articles of manufacture along the line....
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5008652 |
Water leak detection apparatus for use in suspended ceilings
A device for detecting leakage of liquid through a ceiling comprising at least one liquid concentrating tray having peripheral flanges for support from ceiling panel support rails and surfaces...
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5005005 |
Fiber optic probe system
A system for automatic and real time detection of the presence or absence of a substance in an environment by monitoring variations in light energy transmitted through an optical fiber having a...
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4992777 |
Switch device with a trouble detecting and indicating function
A novel electro-mechanical switch device is disclosed which is suitable for use in a factory production line to detect and control the flow of workpieces or articles of manufacture along the line....
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4987408 |
Water sensor system
The disclosure relates to a water sensor unit wherein a plurality of water related appliances or equipment can be simultaneously monitored and in the event of sensing water with respect to any one...
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4977906 |
Diurnal rehabilitation for incontinence trainer
An apparatus for use in a diagnostic and biofeedback study and treatment of enuresis having an undergarment to be worn by the patient and sensors for detecting the presence of urine positioned...
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4969111 |
Oil permeameter and method of measuring hydraulic conductivity
A soil permeameter and method of measuring soil conductivity utilizes a core device that is open at one end that is inserted a measure depth into the soil to be tested. A vertically elongated...
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4965554 |
Moisture presence alarm system
A moisture presence alarm system has a sensor system which extends over an area to monitored and a detector device which receives signals from the sensor system. This has spatially separated...
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4942364 |
Moisture and dew-detection sensor
A moisture and dew-detection sensor comprises a fabric and a moisture sensing resistive substance adhered in a substantially continued and dispersed state to the fabric, and a plurality of fine...
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4939504 |
Fluid detecting alarm system
A fluid detecting alarm system includes a source of electric current, an alarm electrically connected to the source, a normally open switch electrically connected to the alarm for de-energizing the...
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4931774 |
Liquid-vapor change of phase detector
An apparatus for detecting a liquid-vapor change of phase in a fluid substance traveling through a conduit comprises a detector housing providing a path of travel for fluid and interposed in a...
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4931775 |
Plant watering need monitor
An alarm device for monitoring the watering needs of a plant which comprises a stick surmounted by a cylindrical box containing the electrical elements. The stick is buried in the soil of a pot...
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