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...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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| Number | Title | Issue Date |
| 7468509 | Electrical interconnection structure for diverse signals A single interconnection unit provides all of the signal connections required to operate a group of PMTs and to transmit signals therefrom to acquisition electronics exterior to an enclosure for the PMTs in a nuclear scanner. In a preferred embodiment, the interconn... | 12/23/2008 |
| 7417440 | Methods and systems for the rapid detection of concealed objects The present invention provides for an improved scanning process having microwave arrays comprised of microwave transmitters in radiographic alignment with microwave receivers. The microwave array emits controllably directed microwave radiation toward an object under... | 08/26/2008 |
| 7415401 | Method for constructing 3-D geologic models by combining multiple frequency passbands A process for constructing a three-dimensional geologic model of a subsurface earth volume wherein resolution scales of multiple diverse data types, including seismic data, are accounted for by generating multiple frequency passband models and combining them togethe... | 08/19/2008 |
| 7402794 | Radiometer imaging system and method thereof A radiometer imaging system includes an antenna array having a plurality of sub-arrays, each being formed of a plurality of antenna elements arranged in a sub-Y-type, a receiver array having the same number of receivers as the antenna elements, each receiver being a... | 07/22/2008 |
| 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 |
| 7354504 | Dielectric profile controlled microwave sterilization system A dielectric profiler establishes a dielectric profile of microwave characteristics for identifying, sterilizing or inactivating a target material prior to performing a microwave irradiation event to sterilize or inactivate the target material. ... | 04/08/2008 |
| 7324623 | Computed tomography scanner with large gantry bore A computed tomography scanner includes a rotating gantry (20) defining an examination region (16). A first radiation source (22) is disposed on the rotating gantry (20) and emits first radiation (32) into the examination region ( | 01/29/2008 |
| 7314842 | Substituted barium titanate and barium strontium titanate ferroelectric compositions This invention provides the three novel La,Fe, La,Cr and Sm,Fe substituted barium titanate solid solution ferroelectric compositions with the formula Ba1-xLnxTi1-xMxO3 wherein when Ln is La, M is Fe or Cr, when ... | 01/01/2008 |
| 7248041 | Device and method for measuring transient magnetic performance A device for evaluating magnetic component performance and methods of evaluating transient magnetic performance of such components are disclosed. Magnetic flux capacity and/or energy loss of a magnetic component is/are measured, and the measurement data is electroni... | 07/24/2007 |
| 7221139 | Multi-channel radiometer imaging system A radiometer system includes a housing and an RF board contained within the housing. Balanced radiometer channels receive an unknown signal and known reference. Each balanced radiometer channel includes at least one quadrature hybrid and amplifier circuit to provide... | 05/22/2007 |
| 7199570 | Multi-channel radiometer imaging system A radiometer includes a housing and an RF board carried by the housing. A hybrid and amplifier circuit receives an unknown signal and a known reference signal. A switch receives signals as inputs from the hybrid and amplifier circuit and switches between the inputs.... | 04/03/2007 |
| 7196325 | Glow discharge and photoionizaiton source A detector that may contain a glow discharge ionizer and a photo-ionizer. The existence of both ionizers may increase the accuracy and number of chemical compounds that can be simultaneously monitored for chemical screening applications. The detector is particularly... | 03/27/2007 |
| 7132655 | Passive millimeter wave sensor using high temperature superconducting leads A radiation sensor (20) has a substrate (34); an antenna (24) coupled to the substrate (34), a thermal detector unit TDU (22) spaced from the antenna (24) and the substrate (34); and a multi-layered conductive lead ( | 11/07/2006 |
| 7112791 | Method of inspecting pattern and inspecting instrument A sample inspection system having a sample stage holding a sample to be inspected, electron beam optics so as to radiate an electron beam to the sample, a detector unit that detects a secondly generated signal generated in response to radiation of the sample by the ... | 09/26/2006 |
| 7102755 | Method for determining power of modulated signals from a frequency transformed interferogram A method determines power of a modulated signal that is applied to a wavelength meter by summing bin values within a designated bin range of a frequency transformed interferogram representing the modulated signal and provided by the wavelength meter. In a first embo... | 09/05/2006 |
| 7094721 | Substituted barium titanate and barium strontium titanate ferroelectric compositions This invention provides the three novel La,Fe, La,Cr and Sm,Fe substituted barium titanate solid solution ferroelectric compositions with the formula Ba1−xLnxTi1−xMxO3 wherein when Ln is La, M is Fe or Cr, w... | 08/22/2006 |
| 7095027 | Multispectral multipolarization antenna-coupled infrared focal plane array Adjacent pixels of an infrared focal plane array (IR FPA) can be configured to have different spectral or polarization responses by adjustment of the lengths or orientations of the antenna arms which couple radiation into the sensors. The manufacturing costs of such... | 08/22/2006 |
| 7088086 | Multi-channel radiometer imaging system A radiometer includes a housing and an RF board carried by the housing. A hybrid and amplifier circuit receives an unknown signal and a known reference signal. A switch receives signals as inputs from the hybrid and amplifier circuit and switches between the inputs.... | 08/08/2006 |
| 7052176 | Remote temperature measuring system for hostile industrial environments using microwave radiometry A system and method for remotely measuring the temperature of an object using microwave radiometry that may be used in hostile environments. A single pole-single throw reflective PIN diode switch is operable in a PASS mode and a BLOCK mode. In the PASS mode, the swi... | 05/30/2006 |
| 7042067 | Transmission line with integrated connection pads for circuit elements An optoelectronic assembly includes a circuit board having a set of signal traces, where one or more of the signal traces has a junction point that integrates a pad of a circuit element. Exemplary circuit elements include a resistor, capacitor, and an inductor. The ... | 05/09/2006 |
| 6974959 | Flat storage element for an X-ray image Storage film (10) serving to produce latent X-ray images in lieu of conventional X-ray film, containing storage particles (20) which are held together by a binding agent (22) and in which metastable electronic excited states can be produced. The... | 12/13/2005 |
| 6916755 | Substituted barium titanate and barium strontium titanate ferroelectric compositions This invention provides the three novel La,Fe, La,Cr and Sm,Fe substituted barium titanate solid solution ferroelectric compositions with the formula Ba1-xLnxTi1-xMxO3 wherein when Ln is La, M is Fe or Cr, when ... | 07/12/2005 |
| 6784419 | Electromagnetic wave absorber The present invention provides a flame-retardant electromagnetic wave absorber that exhibits excellent formability and electromagnetic wave-absorbing properties, and can be easily assembled and constructed. The electromagnetic wave absorber comprises a wave-absorbin... | 08/31/2004 |
| 6781114 | Radiographic camera A radiographic camera has a housing, having first and second ends, that encloses a conduit having a radiographic source. The conduit is in communication with a lock assembly at the back end of the camera and to a connector assembly at the front end of the camera. Th... | 08/24/2004 |
| 6686599 | Ion production device for ion beam irradiation apparatus An ion beam irradiation apparatus is provided with a plasma production device 30 which produces a plasma 12 through the radio frequency discharge and supplies the produced plasma in the vicinity of the substrate 4. The plasma production device 30 includes... | 02/03/2004 |
| 6555830 | Suppression of emission noise for microcolumn applications in electron beam inspection The microcolumn configuration of the present invention provides for emission noise reduction through the use of a screened beam-limiting aperture for monitoring the electron beam current. This novel approach utilizes a screening aperture located between t... | 04/29/2003 |
| 6498016 | Rapid method for enzyme-linked immunosorbent assay This invention relates to a rapid and efficient method for carrying out enzyme-linked immunosorbent assay for detection of minute quantities of biomolecules such as antigen, antibody etc. This invention particularly relates to microwave mediated immobiliz... | 12/24/2002 |
| 6477217 | Target for neutron scattering installation Flow of mercury from a liquid-heavy-metal inflow port toward an inner forward end of a container body is rectified by a plurality of incoming-passage guide vanes in a liquid-heavy-metal incoming passage. Flow of the mercury from the forward end of the con... | 11/05/2002 |
| 6414318 | Electronic circuit The present invention relates to an electronic circuit for measuring small amounts of charge or small electrical currents. One embodiment of the present invention provides an electronic circuit for measuring current or charge that can be used with a varie... | 07/02/2002 |
| 6407540 | Switched attenuator diode microwave power sensor The present invention relates to a switched attenuator diode microwave power sensor and more particularly to a true average, wide dynamic range microwave power sensor utilizing a switched step attenuator on the sensor input. The present invention provides... | 06/18/2002 |
| 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 |
| 6242740 | Imaging system functioning on submillimeter waves The invention relates to detection performed over millimeter and submillimeter wavelengths, especially to imaging solutions functioning over a submillimeter-wavelength range. The system of the invention uses detectors, comprising antenna coupled bolometer... | 06/05/2001 |
| 5574961 | Phase-separated material (U) A material for disposition on a surface comprising Fe, Co, or FeCo in the form of small single magnetic domain metallic clusters disposed in an insulating matrix of BN. The material may be utilized as a new absorbing material for radar microwave signals. ... | 11/12/1996 |
| 5506415 | Method and apparatus for counting photons in a single-mode, coherent microwave field A method and apparatus are provided for determining the number of photons in a single-mode, coherent microwave field. A plurality of Rydberg atoms are generated whereby each Rydberg atom has an energy state defined by a plurality of energy levels. The Ryd... | 04/09/1996 |
| 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 |
| 5438191 | Photomultiplier The present invention pertains to a photomultiplier of head-on type that has a transparent tubular glass bulb and a principal photocathode formed on the internal surface of a closed end of the glass bulb, that is, on the internal surface of a light entran... | 08/01/1995 |
| 4974945 | Optical modulator In an optical modulator, an electro-optic crystal is used. A pyroelectric body is connected to the electro-optic crystal through electrical interconnections. A polarizer and an analyzer are respectively arranged in spaced relation to an input side and an ... | 12/04/1990 |
| 4818872 | Integrated charge neutralization and imaging system An integrated charge neutralization and imaging system is disclosed. An energy analyzer is mounted directed above a target surface consisting of a 90 degree spherical electrostatic capacitor with variable voltage on both the inner and outer electrodes. Ci... | 04/04/1989 |
| 4580441 | Diesel smoke meter A diesel smoke meter which uses micro-waves to detect the density of black smoke contained in the exhaust gas discharged from the diesel engine through an exhaust pipe. A micro-wave transmitting device is coupled to the exhaust pipe and transmits micro-wa... | 04/08/1986 |
| 4338595 | Microwave leakage detector A portable microwave leakage detector comprises a dipole antenna and a hot carrier diode connected in parallel with a light emitting diode, the circuit incorporating minimum solder joints and affording maximum sensitivity without moving parts such that th... | 07/06/1982 |
