Class 250/370.04 - Self-powered system

Subclass of Class 250 - Radiant energy
Definition: Subject matter wherein the detection means generates the
No. of patents: 33
Last issue date: 03/15/2011

Number	Title	Issue Date
7906765	Mote signal energy aspects One aspect of this disclosure relates to converting an energy or power contained in a signal received by an at least one mote device into an energy or power form that can be utilized to at least partially operate the at least one mote device. Another aspect of this ...	03/15/2011
7170066	Method and apparatus for determining the intensity distribution of a radiation field The invention relates to a method and apparatus for determining the intensity distribution of a radiation field. In the method, the ionization caused by the radiation field is detected by parallel ionization detector planes arranged in an ionization chamber, two of ...	01/30/2007
7126121	Real-time video radiation exposure monitoring system A real-time video radiation exposure monitoring system comprising a Geiger-Müeller meter and a video camera linked to a computer programmed to display video images from the camera simultaneously with data from the Geiger-Müeller meter. A radio modem provides wirel...	10/24/2006
7053377	Portable solid-state remote dosimeter A dosimetry system having a solid-state dosimeter with one or more solid-state detectors for detecting radiation and an electrometer module with a circuit adapted to receive electrical impulses from the solid-state detectors, convert the impulses into a count and pr...	05/30/2006
6933655	Self-powered wireless switch A wireless switch is provided having a twenty-year life energy harvesting arrangement for self-powering a wireless transmitter. The energy harvesting arrangement is implemented in one embodiment using a piezoelectric switch element. A tritium light source and photov...	08/23/2005
6753469	Very high efficiency, miniaturized, long-lived alpha particle power source using diamond devices for extreme space environments A power source converts α-particle energy into electricity by coulomb collision in doped diamond films. Alpha particle decay from curium-244 creates electron-hole pairs by freeing electrons and holes inside the crystal lattice in N- and P-doped diamond films. Ohmic...	06/22/2004
6479826	Coated semiconductor devices for neutron detection A device for detecting neutrons includes a semi-insulated bulk semiconductor substrate having opposed polished surfaces. A blocking Schottky contact comprised of a series of metals such as Ti, Pt, Au, Ge, Pd, and Ni is formed on a first polished surface o...	11/12/2002
6388260	Solid state neutron detector and method for use Crystals of lithium tetraborate or alpha-barium borate had been found to be neutron detecting materials. The crystals are prepared using known crystal growing techniques, wherein the process does not include the common practice of using a fluxing agent, s...	05/14/2002
6300635	Low energy sensitive X-gamma dosimeter An X-gamma dosimeter responsive to low energy values includes X and gamma radiation detectors responding differently in relation to the dose absorbed at low energy. One detector overestimates the dose absorbed with regard to human tissues, while the other...	10/09/2001
5936249	Method and system for obtaining x-ray single photon spectroscopic data using room-temperature solid state detectors by measuring the induced electron current A method and a system for obtaining spectroscopic data of a single photon of a given energy that undergoes an interaction, beginning at a given point in time, with a room-temperature solid state detector of a given thickness and fitted with two electrodes...	08/10/1999
5256878	Self powered detector based monitor for radiographic cameras An improved large area self-powered photon detector (hereafter referred to by the acronym LASPPD) based monitor of the movement of photon sources into and out of radiographic source shields is described. The term photon shall be used throughout this appli...	10/26/1993
4927593	Beta ray flux measuring device A beta ray flux measuring device in an activated member in-core instrumentation system for pressurized water reactors. The device includes collector rings positioned about an axis in the reactor's pressure boundary. Activated members such as hydroballs ar...	05/22/1990
4914301	X-ray detector In an X-ray detecting device, a plurality of scintillator elements are arranged and assembled in a array which is located on a semiconductor structure. In a semiconductor structure, a plurality of photo-detecting structures are formed in a substrate and a...	04/03/1990
4569705	Method of manufacturing a length of mineral insulated cable having predetermined γ-ray sensitivity in a high radiation environment A method of manufacturing, as a length of mineral insulated cable, a self-powered neutron flux detector, a lead cable therefor or both, with the detector, the lead cable or both having predetermined γ-ray sensitivity in a high radiation environment, is p...	02/11/1986
4554456	Self-powered gamma responses detector A self-powered gamma-responsive nuclear radiation detector with an emitter electrode of a lead and calcium alloy. The alloy contains calcium in an amount of between 25 and 50 atom percent. This alloy exhibits good ductility with a melting point of at leas...	11/19/1985
4509009	Single device for measurement of infrared or millimeter wave radiation A radiation measurement means is shown which has the capability of detect radiation in both the millimeter wave, and the infrared, frequency regions. A basic self-oscillating Gunn diode is enclosed in a donut shaped silicon ring. The presence of infrared...	04/02/1985
4489315	Personnel electronic neutron dosimeter A personnel electronic dosimeter includes a neutron-proton and neutron-alpha converter for providing an electrical signal having a magnitude proportional to the energy of a detected proton or alpha particle produced from the converter, a pulse generator c...	12/18/1984
4434370	Self-powered radiation detector with improved emitter A self-powered nuclear radiation detector with an emitter electrode of an alloy of a first major constituent metal having a desired high radiation response, and a second minor constituent which imparts to the alloy a desired thermal or mechanical characte...	02/28/1984
4419578	Solid state neutron detector A solid-state neutron detector for detecting both fast and slow neutrons comprises two layers, one of which contains a neutron-sensitive first material and the other of which contains a semiconducting second material containing hydrogen, the first and sec...	12/06/1983
4396839	Method of fabricating a self-powered radiation detector A method of fabricating a self-powered nuclear radiation detector assembly comprising a detector portion of accurately predetermined dimensions and a cable portion connected to the detector portion to carry the signal current which is generated in a radia...	08/02/1983
4389570	Wide range radiation monitoring apparatus An emitter plate of a high atomic number material is positioned between collector plates of a low atomic number material and the ionization current developed in the gap regions therebetween in response to low radiation fields and the self-powered current ...	06/21/1983
4267454	Self-powered radiation detector with conductive emitter support A more reliable self-powered radiation detector structure and method of manufacture is provided by a detector structure in which a relatively ductile centrally disposed conductive emitter wire supports and is in electrical contact with a generally tubular...	05/12/1981
4259575	Directional gamma detector An improved directional gamma radiation detector has a collector sandwiched etween two layers of insulation of varying thicknesses. The collector and insulation layers are contained within an evacuated casing, or emitter, which releases electrons upon expo...	03/31/1981
4238676	Gamma flux responsive self-powered detector with a tubular emitter An improved response gamma sensitive self-powered detector is provided by forming the conductive central emitter as a tubular member. Low density, non-attenuating insulating means is disposed within the tubular emitter and about the tubular emitter spacin...	12/09/1980
4237380	Self-powered radiation detector with insulated inner and outer collector electrodes A self-powered radiation detector of improved sensitivity is provided by having a tubular emitter electrode, with an inner collector electrode coaxial within the tubular emitter and insulated therefrom, and an outer tubular collector electrode coaxial abo...	12/02/1980
4163240	Sensitive silicon pin diode fast neutron dosimeter A method is disclosed of controlling and improving the sensitivity of silicon PIN diodes to dosage by fast neutrons. The method includes selecting a silicon mass of high resistivity n or p-type material having a relatively long minority carrier lifetime, ...	07/31/1979
4118626	Gamma flux responsive self-powered radiation detector A self-powered gamma flux sensitive detector has improved gamma sensitivity as a result of provision of a low density insulating means between the emitter and collector of the detector....	10/03/1978
4103165	Neutron responsive self-powered radiation detector An improved neutron responsive self-powered radiation detector is disclosed in which the neutron absorptive central emitter has a substantially neutron transmissive conductor collector sheath spaced about the emitter and the space between the emitter and ...	07/25/1978
4091288	Threshold self-powered gamma detector for use as a monitor of power in a nuclear reactor A self-powered gamma monitor for placement near the core of a nuclear reactor comprises a lead prism surrounded by a coaxial thin nickel sheet, the combination forming a collector. A coaxial polyethylene electron barrier encloses the collector and is sepa...	05/23/1978
4080533	Gamma compensated coaxial cable A coaxial electrical signal cable is inherently compensated for gamma flux induced currents by the use of selected alloys for the central conductive wire. The central conductive wire alloy comprises a first metal which interacts with the gamma flux to pro...	03/21/1978
4008399	Gamma compensated, self powered neutron detector An improved, self-powered, gamma compensated, neutron detector having two electrically conductive concentric cylindrical electrodes and a central rod emitter formed from a material which emits beta particles when bombarded by neutrons. The outer electrode...	02/15/1977
3986032	Self-powered neutron detector for external reactor instrumentation A self-powered neutron detector comprises a tubular collector, a tubular emitter surrounding this collector, and a tubular collector surrounding this emitter, with electrical insulation between the emitter and the two collectors. The collectors are electr...	10/12/1976
3986031	Scanning device for axial transverse tomography A scanning device for axial transverse tomography comprising a single motor mounted on a first mobile support, which is rotatably mounted on a fixed base, and coupled, on the one hand, to a first indexing mechanism driving a sprocket or pinion, which enga...	10/12/1976

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Class 250/370.04 - Self-powered system