Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7667199 | System and method for ascribing times to events in a medical imaging system A timing circuit for implementation in a medical imaging system such as a PET scanner, and a method of ascribing times to events in such systems, is disclosed. In one embodiment, the timing circuit includes an n-phase clock having n frequencies of operation, wherein... | 02/23/2010 |
| 7663105 | Apparatus and method for image reconstruction for a synthetic aperture gamma ray imager An imaging system includes a platform having mounted thereon a coded-aperture imaging device and positioned to receive radiation over a baseline. The imaging system includes a computer configured to acquire a plurality of far-field datasets over the baseline, the pl... | 02/16/2010 |
| 7629579 | Electronic system to manage external radiation effects A system may include determination of a value of a radiation-related parameter, and changing of an operational parameter of a circuit based on the determined value. The radiation-related parameter may comprise an altitude of the circuit and/or a radiation level. In ... | 12/08/2009 |
| 7629580 | Dynamic emergency radiation monitor A dynamic radiation monitor having a detector coupled to a computer to determine at any given location, the amount of time a person has before a pre-selected maximum permissible radiation exposure is received. The device dynamically calculates and outputs the user's... | 12/08/2009 |
| 7612338 | Real time system for monitoring containers from a quayside crane In a real time container monitoring system, a data collection computer is in communication with the control computer of a container crane. The electrical signal from each of the radiation detection units carried by the spreader of the container crane is applied to t... | 11/03/2009 |
| 7582869 | System and method for optical analysis An optical analysis system utilizing transmission spectroscopy for analyzing liquids and solids includes a source of optical energy, a sample, a movable optical energy transmission window, a fixed optical energy transmission window, and a detection system. The fixed... | 09/01/2009 |
| 7554083 | Integration of electromagnetic detector on integrated chip A device includes an integrated circuit (IC) and at least one ultra-small resonant structure and a detection mechanism are formed on said IC. At least the ultra-small resonant structure portion of the device is vacuum packaged. The ultra-small resonant structure inc... | 06/30/2009 |
| 7547885 | Radiation detector A radiation detector includes a signal readout substrate. The signal readout substrate is constructed by arranging pixel units having pixel electrodes in a two-dimensional matrix form on a front surface of a substrate. On a front surface of the signal readout substr... | 06/16/2009 |
| 7521680 | Electromagnetic spectral-based imaging devices and methods This invention teaches how to fabricate a new type of full-spectra wavelength detector and spectrum analyzer in the form of antennas that make use of the wave properties of light. The detector's frequency detection range is controlled through the fabrication process... | 04/21/2009 |
| 7518112 | Radiation detection circuit A radiation detection circuit having a multi-channel input used for radiation measurement and capable of canceling cross-talk noise generated from a logic circuit for controlling a channel and enabling low noise radiation measurement easily and precisely. The radiat... | 04/14/2009 |
| 7498574 | Tunable photonic crystal An infrared emitter, which utilizes a photonic crystal (PC) structure to produce electromagnetic emissions with a narrow band of wavelengths, includes a semiconductor material layer, a dielectric material layer overlaying the semiconductor material layer, and a meta... | 03/03/2009 |
| 7495218 | Passive millimeter wave spectrometer for remote detection of chemical plumes Systems and methods for the passive measurement of spectral lines from the absorption or emission by polar molecules. The system includes mmW front-end assembly, back-end electronics, and data acquisition hardware and software was assembled. The method relates to me... | 02/24/2009 |
| 7482588 | Method of calculating radiation Conventionally, a coarse mesh having a same size in that a calculation cell was used regardless to whether the location is near or remote from radiation elements such as calculation cells and wall face elements. Therefore, it took very long calculation time to calcu... | 01/27/2009 |
| 7476859 | Radiation detector A sound output portion 7, a power supply switch 4, and a power supply portion 3, which are provided at a detachable portion A of a manipulation grip 1 are configured to be detachable from a main body portion B of the manipulation grip ... | 01/13/2009 |
| 7473895 | Two-dimensional image detector, and radiographic apparatus using the two-dimensional image detector The present invention is directed to an image detector having a housing of protrusive sectional shape. A difference in thickness between a central portion and peripheral portions of the housing is made shorter than the length of rubber cushions. A plurality of rubbe... | 01/06/2009 |
| 7465925 | Personal radiation detector and method of operation of same A multipurpose, small-sized, ergonomic device determines and measures ionizing radiation and stores the obtained data for subsequent processing. An ionizing radiation detector is used as a sensing unit and is connected with a microcontroller by a converter. The devi... | 12/16/2008 |
| 7465926 | Device system and method for miniaturized radiation spectrometer A device/system for radiation sensing is configured to detect high and low LET radiation. The radiation sensing system may include a high LET detector and a low LET detector coupled to the high LET detector by a CPU, wherein the high LET detector and the low LET det... | 12/16/2008 |
| 7465924 | Tracking of moving radioactive sources A system for detecting unsecured nuclear materials. Whereas current portal monitors rely in part on physical prominence to deter materials from entering the country, their application at intra-modal transport points may actually serve to divert the movement of nucle... | 12/16/2008 |
| 7425707 | Scintillator panel, method of manufacturing scintillator panel, radiation detection device, and radiation detection system Electrochemical corrosion of a reflective layer provided in a scintillator panel is prevented. The scintillator panel includes a conductive base member for supporting a wavelength converter layer and a reflective layer for emitting light converted by a phosphor laye... | 09/16/2008 |
| 7417228 | Method of and device for detecting oil pollutions on water surfaces Detection of oil pollution on water surfaces includes providing echo signals obtained from optical radiation of a clean water area at two wavelengths, optically radiating an investigated water area at two wavelengths and obtaining echo signals from the optical radia... | 08/26/2008 |
| 7372262 | Methods and systems for active non-intrusive inspection and verification of cargo and goods Systems and methods are disclosed herein for the non-intrusive inspection and/or verification of cargo. In an exemplary embodiment, an elemental signature is determined at a first point in a supply chain and transmitted to a second point in the supply chain. When th... | 05/13/2008 |
| 7372031 | System and method for sensitive photon detection A sensitive photon detection system generates an electronic photon sensor signal as a K factor times a number N photons per unit time. The system is configured by combining a separate optical amplifier with a gain factor K1 with a photo detector with a gain f... | 05/13/2008 |
| 7368722 | Method and apparatus for detecting ionizing radiation A method for detecting ionizing radiation with the aid of a scintillation counter and a photomultiplier using an inorganic solid-matter scintillator that incorporates at least one decay time component greater than 100 ns and measures the photons emitted by the scint... | 05/06/2008 |
| 7365337 | Radiographic image detection device and radiographic imaging system A radiographic imaging system includes: a plurality of states of operation, a radiographic image detection device that detects irradiated radiation to obtain radiographic image information, a console capable of communicating with the radiographic image detection dev... | 04/29/2008 |
| 7359488 | Technique for digitally removing x-ray scatter in a radiograph Methods and apparatus for generating an x-ray image. An object is interposed between a detector and an x-ray source. A grid is interposed between the x-ray source and the object. The grid is exposed to primary x-ray energy generated by the x-ray source, thereby expo... | 04/15/2008 |
| 7358863 | Double barrel chemical seeking sidewinder gun devices A large side vandal and weather resistant sign, capable of displaying images from several components, including a video cassette with tapes or video disc and other component parts for broadcasting command directions and to provide information. The sign system, with ... | 04/15/2008 |
| 7356115 | Radiation scanning units including a movable platform A scanning unit for inspecting objects comprises in one embodiment a radiation source to emit a beam of radiation, a rotatable platform to support an object for inspection by the beam of radiation and a detector positioned to receive radiation after interaction of t... | 04/08/2008 |
| 7342233 | Method and arrangement relating to x-ray imaging An X-ray apparatus is provided for acquisition of images containing spectral information. An X-ray source and a collimator having multiple slits are operable together with a set of line detectors, the line detectors including linear arrays of photon counting channel... | 03/11/2008 |
| 7342650 | Electronic display and control device for a measuring device The invention relates to an electronic display and control device for a geodesic measuring device containing capturing means and representation means for detecting and reproducing a measuring range together with input means for controlling the measuring processes. T... | 03/11/2008 |
| 7332724 | Method and apparatus for acquiring radiation data Method and apparatus for sensing and acquiring radiation data comprises sensing radiation events with a multi-modality detector. The detector comprises solid state crystals forming a matrix of pixels which may be arranged in rows and columns, and has a radiation det... | 02/19/2008 |
| 7333585 | Radiation measurement device A radiation measurement device includes a radiation detector generating an analog signal containing pulse components, an A/D converter converting the analog signal into sampled data, an n-th power pulse discrimination unit calculating n-th power values of the sample... | 02/19/2008 |
| 7323686 | Sensor for monitoring the immediate vicinity of a motor vehicle A sensor for monitoring the immediate vicinity of a motor vehicle comprises an infrared emitter that is arranged behind a lens and a receiver for reflected infrared radiation, as well as an evaluation unit for detecting the presence of an object in the immediate vic... | 01/29/2008 |
| 7321339 | Phase shifters for beamforming applications In one embodiment, an integrated circuit antenna array is provided that includes: a substrate, a plurality of antennas adjacent the substrate; and an RF feed network adjacent the substrate for transmitting RF signals to the plurality of antennas and for receiving RF... | 01/22/2008 |
| 7319427 | Frequency diverse array with independent modulation of frequency, amplitude, and phase Method and apparatus for a frequency diverse array. Radio frequency signals are generated and applied to a power divider network. A progressive frequency shift is applied to all radio frequency signals across all spatial channels. Amplitude weighting signals are app... | 01/15/2008 |
| 7317782 | Radiation scanning of cargo conveyances at seaports and the like A radiation scanning system comprises a radiation source and a radiation detector that are proximate a crane system that moves objects between the source and the detector for scanning. The source and/or detector may be supported by the crane system or may be near to... | 01/08/2008 |
| 7315028 | Radiation detecting apparatus and method of driving the same A radiation detecting apparatus including a plurality of pixels, each pixel including a conversion element configured to convert radiation into an electric signal, a resetting element configured to reset the conversion element by applying a predetermined voltage to ... | 01/01/2008 |
| 7312439 | Radon progeny monitor A new type of radon progeny monitor called an electret radon progeny integrating sampling unit (E-RPISU) using an electret ion chamber to measure radon progeny concentration. A conventional 1 LPM particulate air sampling system is used to collect the radon progeny o... | 12/25/2007 |
| 7312460 | High energy gamma probe with position sensing capability The present invention relates to a method of detecting and localizing gamma radiation from a target source in the possible presence of background gamma radiation, said method comprising the steps of: a) detecting the directional in... | 12/25/2007 |
| 7313223 | Device, arrangement and method for indicating positions on areas exposed to x-ray radiation sources and light sources A unit (11) with a length (L) is utilized in a device for indicating the position of an edge (7a) of a first area (7) which is irradiated by an x-ray radiation source (2) in relation to an edge (9a) of a second area, ... | 12/25/2007 |
| 7304307 | PMT signal correlation filter A method of generating a filter (40) for a nuclear medicine system (20) where the filter selects valid detected radiation events for image processing. A dataset (60) is provided that is indicative of a plurality of emitted radiation events occur... | 12/04/2007 |