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| Number | Title | Issue Date |
| 7358497 | Infrared/millimeter-wave focal plane array An antenna-coupled dual-band focal plane array for detecting radiation in the infrared and millimeter-wave bands. The dual-band focal plane array includes a millimeter antenna-coupled pixel incorporating an array of infrared antenna-coupled pixels in a two-dimension... | 04/15/2008 |
| 7342479 | Sensor device utilizing carbon nanotubes Chemical sensors for detecting analytes in a fluid is disclosed. The chemical sensors include chemically sensitive resistors that utilize carbon nanotubes as a chemically sensitive element. The disclosed sensors additionally utilize polymers which selectively alter ... | 03/11/2008 |
| 7126477 | Millimeter-wave area-protection system and method An area-protection system uses an active-array antenna to generate a high-power millimeter-wave wavefront to deter an intruder within a protected area. One or more reflectors may be positioned within the protected area to help retain energy of the wavefront within t... | 10/24/2006 |
| 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 |
| 7064937 | System and method for fixing a direction of magnetization of pinned layers in a magnetic field sensor A spin valve GMR sensor configured in a bridge configuration is provided. The bridge includes two spin valve element pairs. The spin valve elements include a free layer, a space layer, a pinned layer, and a bias layer. The bias layer includes a first bias layer and ... | 06/20/2006 |
| 7038623 | Method and apparatus for detecting radiation at one wavelength using a detector for a different wavelength An apparatus includes a resonator portion responsive to electromagnetic radiation within a frequency range, a converter portion responsive to radiation received by the resonator portion for emitting electromagnetic radiation within a different frequency range, and a... | 05/02/2006 |
| 7016163 | Magnetic field sensor A spin valve GMR sensor configured in a bridge configuration is provided. The bridge includes two spin valve element pairs. The spin valve elements include a free layer, a space layer, a pinned layer, and a bias layer. The bias layer includes a first bias layer and ... | 03/21/2006 |
| 7004025 | Composite sensor device and method of producing the same A plane vibrator of an angular velocity sensor and a movable member of an acceleration sensor are provided in a spaced floating state on the same substrate. A lid is formed so as to cover and be spaced from the upper side of the plane vibrator and the movable member... | 02/28/2006 |
| 6667682 | System and method for using magneto-resistive sensors as dual purpose sensors An integrated dual-purpose sensor is shown. The dual-purpose sensor in one embodiment of the present invention includes a full Wheatstone bridge or a half Wheatstone bridge providing two output measurements. Specifically, the Wheatstone bridge provides tw... | 12/23/2003 |
| 6518872 | High resolution scanning thermal probe and method of manufacturing thereof A resistant based thermal probe including a nanometer sized four-leg filament integrated with a piezoresistive AFM type cantilever is created by depositing the filament structure onto the cantilever by a chemical vapor deposition technique where the canti... | 02/11/2003 |
| 6329655 | Architecture and method of coupling electromagnetic energy to thermal detectors A radiation sensor. The inventive sensor has a two-level detector structure formed on a substrate in which a thermal detector element is suspended over the substrate as a microbridge structure. A receiver of electromagnetic radiation is provided on the sa... | 12/11/2001 |
| 6329649 | Mm-wave/IR monolithically integrated focal plane array An integrated infrared and millimeter-wave monolithic focal plane sensor array having a substrate upon which an integrated array of infrared sensors and mm-wave sensors are provided at a first planar level on the same side of the substrate, and a planar a... | 12/11/2001 |
| 6093308 | Sensors for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g., electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elem... | 07/25/2000 |
| 6010616 | Sensor arrays for detecting analytes in fluids A sensor array for detecting an analyte in a fluid, comprising at least first and second chemically sensitive resistors electrically connected to an electrical measuring apparatus, wherein each of the chemically sensitive resistors comprises a mixture of ... | 01/04/2000 |
| 5951846 | Sensor arrays for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g. electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive eleme... | 09/14/1999 |
| 5911872 | Sensors for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g., electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive elem... | 06/15/1999 |
| 5891398 | Sensor arrays for detecting analytes in fluids Chemical sensors for detecting analytes in fluids comprise first and second conductive elements (e.g. electrical leads) electrically coupled to and separated by a chemically sensitive resistor which provides an electrical path between the conductive eleme... | 04/06/1999 |
| 5858533 | Composite material A varistor and a PTC resistor formed from a composite material containing a polymer matrix and a filler. The varistor experiences two nonlinear changes caused by the current due to applied voltage, the varistor comprising a composite material comprising a... | 01/12/1999 |
| 5786744 | Hybrid sensor A hybrid sensor which is comprised of an acceleration sensor for detecting acceleration based on a temperature distribution of a predetermined gas hermetically enclosed within a fluid-tight space, and an angular velocity sensor for detecting angular veloc... | 07/28/1998 |
| 5450053 | Use of vanadium oxide in microbolometer sensors In a microbolometer infrared radiation sensor, a detector material (VO2) having a high thermal coefficient of resistance to increase the sensitivity of the apparatus.... | 09/12/1995 |
| 5313184 | Resistor with PTC behavior An electric resistor has a resistor body arranged between two contract terminals. This resistor core includes an element with PTC behavior which, below a material-specific temperature, forms an electrically conducting path running between the two contact ... | 05/17/1994 |
| 5192631 | Variable electroconductivity material A variable electroconductivity material characterized by being obtained by formulating (a) an electroconductivity variation imparting agent comprising a substance which is caused by light or heat energy to undergo structural change, reversibly or irrevers... | 03/09/1993 |
| 4997593 | Variable electroconductivity material A variable electroconductivity material characterized by being obtaine by formulating (a) an electroconductivity variation imparting agent comprising a substance which is caused by light or heat energy to undergo structural change, reversibly or irreversi... | 03/05/1991 |
| 4654622 | Monolithic integrated dual mode IR/mm-wave focal plane sensor A monolithic integrated focal plane sensor array having elements sensitive to IR radiation and elements sensitive to mm-wave radiation. The sensor elements of the array sensitive to mm-wave have microantennas coupled to the sensors.... | 03/31/1987 |
| 4649364 | Bifunctional environment sensor An environment sensor includes an insulating base board, a first electrode made of a material which can provide an electrical indication of the value of a first physical quantity and formed on the insulating base board, a second electrode formed of electr... | 03/10/1987 |
| 4208786 | Titania thermistor and method of fabricating A high temperature thermistor and its method of fabrication are disclosed. The thermistor is fabricated from titanium dioxide ceramic forming material and is fabricated to achieve a high degree of densification approaching 100% of theoretical density. At ... | 06/24/1980 |
| 4177445 | Contactless switching element for electric current A contactless switch element for electric currents, which is constructed as a hydrogen-diffusion-impervious but electrically non-conductive, encapsulated metal adapted to be reversibly hydrogenated or dehydrogenated.... | 12/04/1979 |
| 4151503 | Temperature compensated resistive exhaust gas sensor construction A pair of ceramic chips, formed of similar metal oxide ceramic materials which are semiconductors at elevated temperature, are connected electrically in series and are arranged for exposure to the hot gaseous combustion by-products produced by an internal... | 04/24/1979 |
| 4033169 | Hydrocarbon concentration sensor for use in engine exhaust gas A sensor having an n-type oxide semiconductor layer and a p-type oxide semiconductor layer spaced from and electrically connected in series with each other and two fixed resistors connected in series with each other, wherein the two semiconductor layers a... | 07/05/1977 |
| 4007435 | Sensor device and method of manufacturing same An oxygen sensing device particularly suited as a sensor for the exhaust gases of internal combustion engines, the sensing device comprising an electrically insulative ceramic element having bonded on the surface thereof a layer of an oxygen sensing metal... | 02/08/1977 |
