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| Number | Title | Issue Date |
| 7535333 | Method for monitoring the contact resistance of a wiper A method for monitoring a the contact resistance (Rs) of the wiper of a sensor for a variable quantity, with a potentiometer (2), in which the position of the center tap (3) determines the value of the quantity, is improved in such a way tha... | 05/19/2009 |
| 7294836 | Thermal electromagnetic radiation detector comprising an absorbent membrane fixed in suspension The absorbent membrane of the detector is fixed in suspension by at least one thermally insulating support part onto a front face of a substrate comprising at least two electric connection terminals electrically connected to the membrane, for example by means of con... | 11/13/2007 |
| 7282691 | Method for determining wavelengths of light incident on a photodetector Described are a method and a photodetector system for determining a wavelength of light. A current generated in a photodetector in response to incident light is determined. The incident light is terminated and a decay current generated by the photodetector is determ... | 10/16/2007 |
| 7205081 | Imaging member An imaging method utilizing an imaging member containing a supporting substrate, a layer of a charge carrier injecting surface, a hole blocking layer, an optional adhesive layer, a layer of a charge carrier transport material, a layer of an charge carrier generating... | 04/17/2007 |
| 7186998 | Multi-terminal device having logic functional A multi-terminal logic device. The device includes a phase change material having crystalline and amorphous states in electrical communication with three or more electrical terminals. The phase change material is able to undergo reversible transformations between am... | 03/06/2007 |
| 7075079 | Sensor for dual wavelength bands A dual wavelength focal plane has a first array of infrared sensing pixel elements and a second array of visible light pixel elements adapted to be selective to colors encountered while driving an automobile. The second array is selective to the colors red, blue and... | 07/11/2006 |
| 7033640 | Method of coloring cut gemstones A method of coloring cut gemstones introduces metals or metal oxides into a surface layer by means of heat treatment. During the heat treatment the gemstones are laid on a solid plate and the metals or metal oxides form a substantial constituent of the plate. The su... | 04/25/2006 |
| 6974949 | Position sensor with an optical member of varying thickness A position sensor device that produces a variable output voltage when using a light emitting diode, such as an infrared light emitting diode (IR-LED), and a phototransistor further includes the use of a semi-transparent piece of material having a varying thickness t... | 12/13/2005 |
| 6911893 | Ceramic electronic component A ceramic electronic component includes a component body having semiconductive ceramic layers and internal electrodes. The semiconductive ceramic layers and the internal electrodes are alternately laminated. The semiconductive ceramic layers have a relative density ... | 06/28/2005 |
| 6756585 | Process for manufacturing a housing for sensor elements, sensor and use thereof For manufacturing a housing for sensor elements, a pliable material is introduced into the environment of the sensor element (2) by an injection molding process. In a first process step, the sensor element is injection-encapsulated by a soft plastic component... | 06/29/2004 |
| 6743988 | Optically controlled switches An optically controlled switch includes first and second electrodes, a channel extending between the electrodes, and a light source positioned to illuminate the channel. The light source produces a wavelength capable of changing the material's conductivity. The chan... | 06/01/2004 |
| 6639084 | Chemically amplified resist, polymer for the chemically amplified resist, monomer for the polymer and method for transferring pattern to chemically amplified resist layer Chemically amplified resist is produced on the basis of vinyl polymer having 3-oxo-4-oxabicyclo[3.2.1]otane-2-yl group expressed by general formula (1) ##STR1## where each of L1, L2, L3, L4, L5 and L | 10/28/2003 |
| 6617958 | Optical potentiometer An optical potentiometer comprised of a specialized circuit board and a movable reflector device capable of traveling left and right stably on the specialized circuit board. The movable reflector device has a reflecting mirror suitably disposed in alignme... | 09/09/2003 |
| 6292089 | Structures for temperature sensors and infrared detectors A structure for temperature sensors and infrared detectors. The structure is built-up on a substrate that includes a thermistor layer, wherein the resistance of the thermistor layer is temperature dependent. The substrate also includes an electric contact... | 09/18/2001 |
| 6144285 | Thermal sensor and method of making same A two level microbridge infrared thermal detector having an upper detector planar section (a) comprising a temperature responsive detector of an oxide of vanadium having a high TCR and a resistivity in the range of 20K ohms to 50K ohms per square sheet re... | 11/07/2000 |
| 6094127 | Infrared bolometer and method for manufacturing same The inventive three-level infrared bolometer includes an active matrix level, a support level, a pair of post and a absorption level. The active matrix level includes a substrate having an integrated circuit, a pair of connecting terminal and a protective... | 07/25/2000 |
| 5966590 | Method for manufacturing thermal-type infrared sensor In a method of manufacturing a thermal-type infrared sensor including a thermosensitive part, a bolometer material is formed as the thermosensitive part and is subjected to post-processing to control a temperature coefficient of resistance in the bolomete... | 10/12/1999 |
| 5939971 | Infrared bolometer A three-level infrared bolometer including an active matrix level, a support level, posts and an absorption level. The active matrix level includes a substrate having an integrated circuit, connecting terminals and a protective layer covering the substrat... | 08/17/1999 |
| 5900799 | High responsivity thermochromic infrared detector A high responsivity thermochromic infrared detector which has an operating temperature that is established on the steepest part of the phase transition curve and is maintained there while the infrared detector is operated.... | 05/04/1999 |
| 5818322 | Silicon photosensitive element A groove is formed on the surface of a silicon substrate by way of etching. A silicon device for a driver of a photosensitive element is formed on the surface of the substrate where the groove is not formed. With the groove, a super lattice structure of S... | 10/06/1998 |
| 5798684 | Thin-film temperature sensor A thin-film temperature sensor with a robust bridge structure and a stable electric characteristic, as well as a method of manufacture thereof, is provided. Over the substrate 1 with the cavity 13 are formed electrode layers 6 in a bridge shape, whose ele... | 08/25/1998 |
| 5629665 | Conducting-polymer bolometer The invention is an apparatus and method for making a polymer bolometer. The apparatus consists of a current supply and current receiving paths affixed to a substrate. Bridging the current supply paths and current receiving paths is an electrically conduc... | 05/13/1997 |
| 5581232 | Ultrasonic wave reception apparatus and obstacle detection apparatus An obstacle detection apparatus includes a rubber-like elastic body interspersed with electroconductive particles, and means for applying a voltage to the rubber-like elastic body to obtain an ultrasonic wave reception signal from a change in electrical r... | 12/03/1996 |
| 5343186 | Variable resistor having the capacity to produce a fader start signal output A variable control fader with provisions for outputting a fader start signal upon movement of the fader from a position corresponding to the faders maximum attainable resistance value. This fader start signal can be utilized to initiate the activation or ... | 08/30/1994 |
| 5332918 | Ultra-high-speed photoconductive devices using semi-insulating layers An ultra-high-speed photoconductive device is described which comprises a homoepitaxial semi-insulating III-V layer, or body, upon which ohmic/conductive contacts, or strips, separated by a small gap, are formed. The semi-insulating body, or layer, is pro... | 07/26/1994 |
| 5309132 | Technique for trimming photoresistors and trimmed photoresistors A technique for trimming photoresistors to change relatively high tolerance parts to relatively low tolerance parts by blocking out a portion of the photoactive area, and the so-trimmed photoresistors. The blocking out can be performed by placing ink over... | 05/03/1994 |
| 5220189 | Micromechanical thermoelectric sensor element A thermoelectric sensor element that is adapted to respond to thermal radiation is capable of manufacture into a sensor array on a single crystal semiconductor means, such as silicon. An anisotropically etched pit is provided under the sensing surface, an... | 06/15/1993 |
| 5220188 | Integrated micromechanical sensor element A sensor element that is adapted to respond to radiation, and which is adapted to the manufacture of a sensor array is manufactured into a single crystal semiconductor means such as silicon. An anisotropically etched pit is provided under the sensing surf... | 06/15/1993 |
| 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 |
| 5130690 | Photoconductor A photoconductor which has an active layer including channels of ultrafine wire structures each having cross sectional lengths comparable to an electron de Broglie wavelength is provided. The photoconductor has a high gain and a considerably increased res... | 07/14/1992 |
| 5097121 | Beveled edge impurity band conduction detector An impurity band conduction (IBC) detector having a substrate and a thin layer IR active region is provided with a beveled edge for increasing the quantum efficiency of the detector. The edge of the transparent detector substrate is beveled at an angle eq... | 03/17/1992 |
| 5091765 | Photoconductive cell with zinc oxide tetrapod crystals A photoconductive cell comprises a photodetector section which consists of an aggregate of tetrapod-like zinc oxide whiskers. Each whisker consists of a core and needle-shaped crystals extending in four different directions from the core. Since this novel... | 02/25/1992 |
| 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 |
| 4973935 | Infrared detector An infrared detector includes a high resistance substrate, a compound semiconductor disposed on the substrate, a pair of electrodes disposed on the compound semiconductor, and a plurality of grooves in the compound semiconductor perpendicular to a current... | 11/27/1990 |
| 4961096 | Semiconductor image position sensitive device with primary and intermediate electrodes In a semiconductor image position sensitive device having a photoconductive layer and a resistive layer thereon, an image position sensitive region is divided into a plurality of sections and an output electrode is provided on each boundary between the se... | 10/02/1990 |
| 4924285 | Monolithic multichannel detector amplifier arrays and circuit channels An integrated, planar, single-channel, photodetector-amplifier device is disclosed. The single-channel device includes a photodetector layer and an amplifier layer above the photodetector layer. The photodetector layer is low-doped to give a low dark curr... | 05/08/1990 |
| 4839510 | Optical sensor including shortcircuit protection having notched electrode regions In an optical sensor, there is a risk that a short-circuit occurs in a gap between opposite electrodes on a photoconductive body. A pair of band-shaped electrodes each having a width of "W" are formed on the photoconductive body under the condition that t... | 06/13/1989 |
| 4835507 | Photosensor array for image processing apparatus A photosensor array for use with an image processing apparatus has a plurality of photosensors disposed in an array. Each photosensor includes a substrate, a photoconductive layer formed on the substrate and made of an amorphous silicon, and a pair of ele... | 05/30/1989 |
| 4821091 | Polysilicon photoconductor for integrated circuits A photoconductive element of polycrystalline silicon is provided with intrinsic response time which does not limit overall circuit response. An undoped polycrystalline silicon layer is deposited by LPCVD to a selected thickness on silicon dioxide. The dep... | 04/11/1989 |
| 4818174 | Compact robot arm member relative movement sensor Apparatus for determining when the hand of a robot arm, resiliently mounted on a robot arm body, strikes or makes contact with an object that impedes or limits its movement, employs an optical fiber in place of conventional light focusing optics to produc... | 04/04/1989 |
