|
Match
|
Document |
Document Title |
|
|
7573365 |
Humidity sensor
A system and method for a resistor for detecting the relative level of moisture content in a humid environment. The resistor has a first layer of conductive material on a top surface of a substrate...
|
|
|
7332995 |
Capacitive humidity sensor and method for manufacturing the same
A capacitive humidity sensor includes: a humidity sensing element; a substrate; and an insulation film. The humidity sensing element includes a pair of comb-shape electrodes and a humidity...
|
|
|
7295126 |
Perforated plane moisture sensor
A moisture sensing apparatus, system and method. In general, a surface can be provided, and one or more conductor pairs located in a plane of the surface. Each conductor of the conductor pair(s) is...
|
|
|
6894512 |
Method for detecting hidden corrosion and a sensor for use in the same
The present invention provides a method for determining whether or not moisture appeared in a hidden place during a period T, the method comprising: (i) introducing to the hidden place a moisture...
|
|
|
6840103 |
Absolute humidity sensor
An absolute humidity sensor for a microwave oven is disclosed. The absolute humidity sensor includes a substrate having a first hole and a second hole in a predetermined region, a membrane formed...
|
|
|
6835920 |
Microwave oven
A microwave oven includes a magnetron to generate microwaves and a cooking chamber to contain food to be cooked using the generated microwaves. The microwave oven further includes a humidity...
|
|
|
6832507 |
System for detecting the presence of moisture
The system comprises at least one electronic sensor for detecting the presence of moisture. The system further comprises at least one reading device for obtaining information from the sensor about...
|
|
|
6812821 |
Humidity sensor
A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater...
|
|
|
6615659 |
Humidity sensor and method for manufacturing the same
In a humidity sensor device comprising a pair of opposed electrodes disposed on an insulating substrate to define a gap therebetween and a humidity sensitive thin film lying on the gap, the...
|
|
|
6342295 |
Moisture sensor
A moisture sensor includes a moisture-sensitive film between a pair of electrodes having conductive particles dispersed in a hygroscopic polymer. The hygroscopic polymer is a polymer comprising a...
|
|
|
6310555 |
Water leak detector
A system for the detection of the presence of undesirable moisture and drops or droplets of liquid effusing from piping systems at the first stage of appearance, comprising a low-battery alert,...
|
|
|
6087924 |
Gas sensors and methods of manufacturing the same
In a gas sensor which uses CuO as a p-type semiconductor, by adding Na 2 CO 3 in excess of 1 wt % relative to CuO, sensitivity to gases such as H 2 , NO, NO 2 and SO 2 is suppressed, whereby...
|
|
|
6063486 |
Moisture sensor comprising conductive particles and a hygroscopic polymer of polyvinyl alcohol
A moisture sensitive film having conductive particles dispersed in a hygroscopic polymer is disposed between a pair of electrodes to construct a moisture sensor. The hygroscopic polymer is a...
|
|
|
5955179 |
Coating for the structured production of conductors on the surface of electrically insulating substrates
A coating for the structured production of conductors on the surface of electrically insulating substrates, in particular for producing sensor elements and printed circuit boards. The coating is...
|
|
|
5726622 |
Dew sensor having a conductive power-containing moisture sensing material disposed between opposing electrodes
A dew sensor used in a video tape recorder, and the like, can be mounted on a printed circuit board remote from the cylinder. A pair of electrodes are formed on an insulated substrate, a moisture...
|
|
|
5631418 |
Electrically detected impedance detector for the measurement of physical quantities, in particular of temperature or humidity, and process for the manufacture of said detectors
Electrical impedance detector for measurement of physical quantifies, in particular of temperature or humidity. The detector comprises conductor electrodes (10a, 10b; 10A,10W), between which the...
|
|
|
5608374 |
Humidity sensor and a method of producing the humidity sensor
A humidity sensor to detect humidity by utilizing a change in the electric characteristics of the device corresponding to a change in the humidity. A solution containing manganese acetate, lead...
|
|
|
5348761 |
Use of a swellable plastic and process for making a resistive moisture sensor
A process is disclosed for producing a swellable plastic resistive moisture sensor comprising dispersing an additive selected from the group consisting of carbon in powder, dust or soot form,...
|
|
|
5206615 |
Sensor for measuring solute concentration in an aqueous solution
A sensor for measuring concentrate of solute in an aqueous solution in which a humidity sensor is enclosed and sealed within a porous fluorine polymer film that is liquid water impermeable but...
|
|
|
5136274 |
Humidity sensor
A chemically and physically stable humidity sensor including a porous sintered body and electrodes, which is formed by bringing a humidity sensor including a porous sintered body and electrodes...
|
|
|
5131990 |
Fluoropolymer humidity sensors
A humidity sensor composed of interdigitated electrodes and a material therebetween which is composed of Nafion wherein H+ cites have undergone ion exchange with at least one of NH4+ and Li+, Na+,...
|
|
|
5075667 |
Humidity sensor and method for producing the same
A humidity sensor and a method for producing the same, in which an insulating film is first formed on a substrate. A first sensing film is formed on a first electrode to be separated by a space...
|
|
|
5048336 |
Moisture-sensitive device
A moisture-sensitive device comprising a substrate such as silicon substrate, a pair of belt-like heating elements extending over recesses formed in the substrate, the heating elements being...
|
|
|
5040417 |
Electronic relative humidity/temperature measuring system
The disclosure relates to a system for measuring relative humidity and temperature wherein there are provided three controlled switching matrices, a first of the matrices determining whether a...
|
|
|
5028906 |
Humidity sensor
This invention concerns a humidity sensor wherein a chemical conversion coating, giving attention to the property that it undergoes an impedance decrease with adsorption of moisture, is used as...
|
|
|
5004700 |
Humidity sensor
A method of making a humidity sensor comprises providing a host device constituted by a semi-conductor substrate (10) and a gate insulator (13) of an insulated gate field effect transistor, forming...
|
|
|
5001453 |
Humidity sensor
A humidity sensor including an insulating substrate, a pair of electrodes formed on the insulating substrate, and a porous silica film with carbon particles dispersed therein is formed over the...
|
|
|
4971739 |
Method of producing fluorapatite and a moisture sensitive resistor using fluorapatite obtained by the same
A method of producing fluorapatite wherein predetermined amounts of calcium monohydrogen phosphate, calcium carbonate, and calcium fluoride are weighed, subjected to a mechanochemical action, and...
|
|
|
4954238 |
Moisture-sensing hygrometer element
A moisture-sensing hygrometric element is provided comprising an electrolytic moisture-sensing mechanism integrally formed on the surface of a porous substrate, the porous substrate being resistant...
|
|
|
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...
|
|
|
4938928 |
Gas sensor
A sensor comprising a metal heat generating member formed with a heat-resistant insulating coating of Al 2 O 3 or the like over its surface, and an atmosphere-sensitive layer of SnO 2 or the...
|
|
|
4928513 |
Sensor
A sensor having a pair of sensor units, one of which is a detecting sensor unit and the other of which is a reference sensor unit, wherein each of the units comprises a substrate with a hollow...
|
|
|
4915816 |
Polymer hygrometer for harsh environments
The polymer hygrometer with lithium doped Nafion was developed to meet the need for a reliable sensor for determining the relative humidity in harsh environments of pulp and paper mills. The sensor...
|
|
|
4892709 |
Microdevice for gas and vapor sensing
In accordance with the present invention a microdevice 10 is set forth for gas sensing. The microdevice 10 includes a conductive substrate 12 having an insulator layer 14 on a surface 16 thereof,...
|
|
|
4816800 |
Exhaust gas sensor
An exhaust gas sensor in which a metal oxide semiconductor containing at least one member of a group of elements consisting of Sn, Fe, Ni and Co and Pt electrodes having ZrO 2 , deposited in the...
|
|
|
4812615 |
Electric heating arrangement for a hygrometric sensor of an automatically controlled circuit
An electronic circuit for automatically controlling an electrically operated device on a motor vehicle, such as windshield wiper, fog lights, etc., for aiding driving during inclement weather...
|
|
|
4801211 |
Humidity and dew point detector
A humidity detector using a ceramic sensor and a heater to periodically clean the sensor. The output of the sensor is sampled and held while the heater is on. When the detector is turned on, the...
|
|
|
4795968 |
Gas detection method and apparatus using chemisorption and/or physisorption
Gas species are detected with a capacitor having a solid, ionic dielectric excited by an AC voltage in the range from 0.01-30 Hz, with an amplitude of 1-100 millivolts to allow physisorption...
|
|
|
4773935 |
Moisture sensor containing cellulose acetate butyrate
A moisture sensitive material prepared by cross-linking cellulose acetate butyrate with at least one compound selected from the group consisting of compounds containing two or more isocyanate...
|
|
|
4751022 |
Humidity-sensing component composition
A humidity-sensing component composition includes a metallic oxide and a chalcogen oxyacid salt represented by a general formula A x B y O z where A is one of an alkali metal and an alkaline...
|
|
|
4723439 |
Humidity detector
A humidity detector which is disclosed herein includes a humidity sensing element consisting of a heating resistance wire coil and a humidity sensing portion of a metal oxide or metal oxides...
|
|
|
4696796 |
Moisture sensor
A moisture sensor having the moisture sensitive film comprising an inner layer in the form of a plasma-polymerized high polymer layer of a hydrophobic organic compound and a surface layer in the...
|
|
|
4691186 |
Aging treatment for semiconductor gas sensor
A SnO 2 semiconductor gas sensor for use in a cooking apparatus to detect the cooking condition is manufactured through an aging treatment for stabilizing the operation of the SnO 2 semiconductor...
|
|
|
4682502 |
Pressure sensor
A pressure sensor comprising an air-tight container, enclosing water vapor therein, which elastically deforms depending upon a variation in the external pressure to result in a variation in the...
|
|
|
4681855 |
Humidity sensing and measurement employing halogenated organic polymer membranes
Thin films of hygroscopic, halogenated organic polymer having pendant groups of a relatively strong acidic type (e.g., sulfonic groups) and pendant groups of a relatively weak acidic type (e.g.,...
|
|
|
4677416 |
Humidity sensing apparatus
An integrated circuit cooling device and a dew point hygrometer employing such a cooling device having a substrate with a peripheral region surrounding a central aperture, the substrate being...
|
|
|
4677415 |
Ceramic humidity sensor
A device for monitoring humidity as a function of electrical resistance comprises a humidity-sensitive resistor formed of a ceramic including lanthanum chromite, with or without a dopant selected...
|
|
|
4673910 |
Moisture sensitive element containing high temperature decomposition residue of organo-silicon polymer as sensitive element
A moisture sensitive element having on an insulating substrate a moisture sensitive section that changes its electrical resistance according to the humidity of atmosphere. The moisture sensitive...
|
|
|
4666628 |
Moisture sensitive material and process for its production
A moisture sensitive material comprising a fired product consisting essentially of at least one member selected from the group consisting of a metal oxide and graphite, and a polymerized...
|
|
|
4656455 |
Humidity-sensing element
A process for fabricating a humidity-sensing element comprises forming an electrode layer on at least one side of a ceramic substrate, applying to the electrode layer a humidity-sensitive paste...
|