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| Number | Title | Issue Date |
| 8015872 | Surface acoustic wave based humidity sensor apparatus with integrated signal conditioning A SAW-based humidity sensor apparatus with integrated signal conditioning on the same substrate. A micro-electronic circuit can be processed at a silicon substrate to obtain on-chip signal conditioning internally and the silicon substrate can be covered with a prote... | 09/13/2011 |
| 7526956 | Measuring device for measuring the humidity of materials, particularly textiles The present invention relates to a measuring device for measuring the humidity of materials, in particular the humidity of textiles. The measuring device according to the invention comprises an evaluation circuit EC having electrical terminals (8, 9), ... | 05/05/2009 |
| 7481107 | Humidity sensor with setting member for setting maximum amount of moisture in humidity sensitive member A humidity sensor includes: a substrate; a pair of electrodes on the substrate; a humidity sensitive member between the electrodes having a capacitance changeable in accordance with humidity; an output element connecting to the electrodes in order to detect a capaci... | 01/27/2009 |
| 7404312 | Humidity-sensitive element for humidity sensor The invention provides a humidity-sensitive element using, as a humidity-sensitive film, a polyimide having a molecular structure capable of forming a network structure at a high density, exhibiting less drift after being left standing at a high temperature and a hi... | 07/29/2008 |
| 7373819 | Stress sensitive humidity sensor based on a MEMS structure A humidity sensing apparatus and method include a substrate and a MEMS structure, wherein the MEMS structure is supported by the substrate. The MEMS structure comprises a humidity-sensitive material in association with a movable member such that when the humidity-se... | 05/20/2008 |
| 7363813 | Temperature and moisture probe A probe for measuring the temperature and moisture of a gas has an aspirated flow passage with a configuration that causes the gas to have turbulent flow and, therefore, to mix. A dry bulb thermometer and a wet bulb thermometer positioned in the flow passage downstr... | 04/29/2008 |
| 7340952 | Capacitive humidity sensor A capacitive humidity sensor includes a printed circuit board having an insulating substrate on which a circuit section is formed, a pair of electrodes formed on a surface of the insulating substrate to be opposite from each other with a space, and a humidity sensit... | 03/11/2008 |
| 7313946 | Moisture detector A moisture detector of closed case type according to a heat capacity method is realized by a relatively simple constitution. The moisture detector includes a first temperature sensor for sensing temperature of a detection target; a second temperature sensor for sens... | 01/01/2008 |
| 7310001 | Current sensing method and current sensing device, power conversion device using this current sensing device, and vehicle using this power conversion device A current sensing device for sensing current flowing through a MOSFET has a voltage divider circuit composed of a series circuit of a first resistor and a second resistor having different resistance temperature coefficients, with a voltage division ratio designed to... | 12/18/2007 |
| 7282261 | Method of enhancing the stability of electroactive polymers and redox active materials This invention relates to a method of enhancing the stability of electroactive polymers, redox active materials, or a composite comprising an electroactive polymer and a redox active material, which comprises depositing on the electroactive polymers, the redox activ... | 10/16/2007 |
| 7270002 | Humidity sensor element, device and method for manufacturing thereof A humidity sensor element, a humidity sensor device and a method for manufacturing thereof are provided. The humidity sensor element includes a substrate having a nanocomposite film as sensing material, wherein said nanocomposite film consists of carbon nanotube/per... | 09/18/2007 |
| 7231887 | Milking installation A milking installation comprises a compressed air system with a compressed air line, a pneumatically controllable cylinder and a compressed air pump for supplying compressed air for the cylinder. The compressed air system comprises a dew point sensor for measuring t... | 06/19/2007 |
| 7222531 | Capacitive humidity sensor A capacitive humidity sensor for detecting a humidity change includes a first sensor element having a first capacitance, a second sensor element having a second capacitance and connected in series with the first sensor element, and a humidity sensitive layer having ... | 05/29/2007 |
| 7213441 | Method for adjusting sensor characteristics of humidity sensor An inspection device inspects a humidity sensor having a sensor portion and a circuit portion, which are integrated into one chip. The inspection device includes: an inspection chamber for accommodating a wafer, in which a plurality of humidity sensors are disposed ... | 05/08/2007 |
| 7210333 | Humidity sensor and method of using the humidity sensor A humidity-sensitive porous layer (13) of a humidity-sensitive element section (3) of a humidity sensor (1) is formed of a crystalline phase oxide grains such as Al2O3—SnO2—TiO2 and of a glass phas... | 05/01/2007 |
| 7197927 | Sensor for determining the interior humidity and fogging up tendency and fastening device of the sensor A sensor means is proposed to determine an interior humidity and/or an interior volume delimited by a wall, in particular, of a vehicle passenger compartment 3, and a fogging up tendency of an inner surface of the wall, in particular, of a window 5 of ... | 04/03/2007 |
| 7181966 | Physical quantity sensor and method for manufacturing the same A capacitance type humidity sensor includes: a detection substrate including a detection portion on a first side of the detection substrate; and a circuit board including a circuit portion. The detection portion detects humidity on the basis of capacitance change of... | 02/27/2007 |
| 7180302 | Method and system for determining cracks and broken components in armor A ceramic armor system with built-in conductive circuit attached to a ceramic component. The conductive circuit can be accessed by a user at contacts provided in the system. The circuit is arranged so that damage such as cracks that occurs within the ceramic compone... | 02/20/2007 |
| 7168316 | Humidity meter with non-contact temperature measurement A humidity meter with non-contact temperature measurement capability, including a humidity meter contained at least partially in a housing and having outputs relating to measured humidity parameters including humidity and ambient temperature, an output display conta... | 01/30/2007 |
| 7168298 | Mass-sensitive chemical preconcentrator A microfabricated mass-sensitive chemical preconcentrator actively measures the mass of a sample on an acoustic microbalance during the collection process. The microbalance comprises a chemically sensitive interface for collecting the sample thereon and an acoustic-... | 01/30/2007 |
| 7134319 | Acoustic wave sensor with reduced condensation and recovery time An acoustic wave sensor apparatus is disclosed, which generally includes a piezoelectric substrate having a surface thereon. One or more interdigital transducers and a passivation layer can be formed upon the piezoelectric substrate. Additionally, an absorbent mater... | 11/14/2006 |
| 7114848 | Environment sensor An environment sensor (11) for measuring the temperature and humidity can be miniaturized and can respond at high speed. The environment sensor (11) includes a temperature sensing portion (111) having a temperature-sensitive material (1) ... | 10/03/2006 |
| 7093374 | Clothes dryer and method of controlling the same A clothes dryer and a method of controlling the clothes dryer. The method detects conditions of clothes using a sensor, and performs at least one of: a complex drying function to perform a drying operation, a deodorizing operation, and a wrinkle removing operation; ... | 08/22/2006 |
| 7090392 | Roadway freezing point monitoring system and method Improved roadway freezing point monitoring systems and methods include improved sample wells for the accurate measurement of the freezing point of liquid on a roadway, the use of temperature sensors that require only two conductors to receive power and to send and r... | 08/15/2006 |
| 7077004 | Method and device for measuring humidity A method and a device for measuring humidity may be suitable for determining the relative humidity in the high-humidity range. The device includes a sensor device, as well as a circuit connected to the same. The sensor device includes a capacitive humidity-sensor el... | 07/18/2006 |
| 7062968 | Temperature control apparatus for humidity sensor A temperature control apparatus for a humidity sensor is provided for preventing impurities from sticking on a sensor element, while protecting the sensor element from cracking due to the humidity sensor heated by a heater in the presence of condensation, to maintai... | 06/20/2006 |
| 7059170 | Method and apparatus for measuring relative humidity of a mixture A method and apparatus for measuring relative humidity of a mixture that provides a quick response time for thermal lag while affording protection to fragile sensors. In one aspect, the invention is an apparatus comprising: a chamber having a membrane covering an op... | 06/13/2006 |
| 7049732 | Electroactive polymers The present invention relates to transducers, their use and fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electr... | 05/23/2006 |
| 7032448 | Capacitive humidity sensor A capacitive humidity sensor includes a detection portion and a reference portion. The detection portion includes detection electrodes and a moisture sensitive film. The reference portion includes reference electrodes and a moisture permeation film as a capacitance ... | 04/25/2006 |
| 7030600 | Broadband microwave power sensor A circuit for sensing radio frequency energy. The circuit includes a Wheatstone bridge having at least one element thereof thermally responsive to the radio frequency energy passing therethough differently from radio frequency energy passing though at least one othe... | 04/18/2006 |
| 7013700 | Device and method for determining the moisture in gases A measuring device for measuring the moisture in gases comprises the following features: a moisture sensor and an evaluation unit connected thereto to provide a measured quantity representing a relative moisture in a gas, and a heating device which is thermally coup... | 03/21/2006 |
| 6926439 | Dew point hygrometers and dew sensors A dew point hygrometer for determining the dew point of a gas in which a displaceable transparent film is in contact with the gas and forms a condensation surface. The film is placed on a temperature control device controlling its temperature and an optic fiber, emi... | 08/09/2005 |
| 6915660 | Method and system for liquefaction monitoring A method and system for liquefaction monitoring of a gas in a gas piping system in which pressure and temperature information about the gas is gathered and the liquefaction status of the gas is determined and reported. ... | 07/12/2005 |
| 6895803 | Humidity sensor A method and apparatus are described for sensing the absolute humidity of gases where the relative humidity of gases are measured, the humidity transducer is heated, the resulting temperature measured and the absolute humidity calculated (based on the power to heat ... | 05/24/2005 |
| 6883371 | Humidity sensor A humidity sensor including an insulating substrate, and a lower electrode formed from a noble metal, a moisture sensitive layer formed of a porous body predominantly containing alumina and containing predetermined amounts of TiO2 and SnO2 and ... | 04/26/2005 |
| 6834547 | Humidity sensor and fabrication method thereof A humidity sensor and fabrication method thereof. In the humidity sensor of the present invention, two comb-type electrodes with a plurality of teeth are disposed on a semiconductor substrate. A SiO2 sensing film is disposed between the teeth of the two c... | 12/28/2004 |
| 6647782 | Capacitive humidity sensor A humidity sensor has two detection electrodes located on a semiconductor substrate and a humidity sensitive film. The capacitance of the film changes in response to humidity. The sensor includes a reference capacitor and a feedback capacitor. An electrod... | 11/18/2003 |
| 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 humidity sensitive thin film is a thin film comprising a polymer ... | 09/09/2003 |
| 6568265 | Humidity sensor and method for making A humidity sensor includes a pair of interdigital electrodes disposed on an insulating substrate and defining a gap therebetween, an undercoat layer of silane compound lying on the gap-defining electrodes and substrate, and a humidity sensitive thin film ... | 05/27/2003 |
| 6518773 | Sensor sensitivity adjusting apparatus A compact and inexpensive sensor sensitivity adjusting apparatus. The sensor sensitivity adjusting apparatus includes a sensor, a current supplying IC and a variable resistor. The current supplying IC has first and second fixed resistors connected in seri... | 02/11/2003 |
