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US3878373A Expired / Lapsed US ⏱️ 0.0 years remaining

Radiation detection device and a radiation detection method

Assignee: Individual
•
Filing: 1971-06-30
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Granted: 1975-04-15
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Expires: 1991-06-30
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Abstract

Abstract A radiation detection device including at least one scintillator in the path of radiation emissions from a distributed radiation source; a plurality of photodetectors for viewing each scintillator; a signal processing means, a storage means, and a data processing means that are interconnected with one another and connected to said photodetectors; and display means connected to the data processing means to locate a plurality of radiation sources in said distributed radiation source and to provide an image of the distributed radiation sources. The storage means includes radiation emission response data and location data from a plurality of known locations for use by the data processing means to derive a more accurate image by comparison of radiation responses from known locations with radiation responses from unknown locations.

Inventors

  • 👤 Alvin Blum

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 21:00
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/161; G01T1/164; G01T1/1641; G01T1/1642

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 244 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources comprising, a layer of scintillation material in the path of the radiation emissions from the radiation source for receiving the radiation to provide light indications, said layer of scintillation material includes a front face adjacent the radiation source, a plurality of photodetectors disposed in view of said scintillation material for detecting the light indications in said scintillation material, a data processor connection to said photodetectors, said data processor including storage means, comparator means, a storage reviewing means, connecting means, and a comparator match indication means, said storage means including, a plurality of response data records from said radiation detection device when said scintillation material was engaged by emissions from a known radiation source location with the known radiation source location data for each response, said connecting means connecting said photodetectors to said comparator means to connect response data from an unknown radiation source location with said comparator means, said connecting means connecting said storage reviewing means to said storage means to review said stored data, and said connecting means connecting said comparator means to said storage means to match said response data from an unknown radiation source location with a particular piece of stored response data from a known radiation source location, said match indication means connected to said comparator for indicating a match and reading out the stored location data.
Claim 2
Dependent Claim 244 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources comprising, a layer of scintillation material in the path of the radiation emissions from the radiation source for receiving the radiation to provide light indications, said layer of scintillation material includes a front face adjacent the radiation source, a plurality of photodetectors disposed in view of said scintillation material for detecting the light indications in said scintillation material, a data processor connection to said photodetectors, said data processor including storage means, comparator means, a storage reviewing means, connecting means, and a comparator match indication means, said storage means including, a plurality of response data records from said radiation detection device when said scintillation material was engaged by emissions from a known radiation source location with the known radiation source location data for each response, said connecting means connecting said photodetectors to said comparator means to connect response data from an unknown radiation source location with said comparator means, said connecting means connecting said storage reviewing means to said storage means to review said stored data, and said connecting means connecting said comparator means to said storage means to match said response data from an unknown radiation source location with a particular piece of stored response data from a known radiation source location, said match indication means connected to said comparator for indicating a match and reading out the stored location data.
Claim 3
Dependent Claim 46 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources as set forth in claim 1 wherein, said data processor for processing the original data from said photodetectors to provide a digital output.
Claim 4
Dependent Claim 46 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources as set forth in claim 1 including, at least a collimator between said scintillator and the radiation source for collimating the radiation emissions.
Claim 5
Dependent Claim 112 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources as set forth in claim 1 including, radiation source location means including a radiation material holding means, moving means connected to said material holding means, and location indication means connected to said moving means, said radiation source location means removeably positioned for movement into various positions in front of said scintillation material, said location indication means connected to said data processor and said storage means to store known radiation source location data with associated radiation response data from said scintillation material and said photodetectors when exposed to radiation material.
Claim 6
Dependent Claim 134 words
A radiation detection device for surveying the distribution of a distributed radiation source to derive the location of a plurality of radiation sources as set forth in claim 4 including, a collimator between said radiation source and said scintillator, said scintillator including a plurality of scintillation crystals, at least one anolog to digital converter connected to said photodetectors, said data processor connected to said converter, said data processor including calculating means connected to said converter to sum input numbers, said calibrating means connected to said comparator, a present number storage means connected to said comparator for rejecting high and low reaction data, gate means connected to said comparator to exclude high and low reaction data, correction means connected to said storage means and said comparator to provide corrected computer output data for better resolution.
Claim 7
Independent Claim 167 words
A method of locating and displaying radiation sources from a distributed radiation material at unknown locations comprising the steps of: a. placing at least one known source of radiation in locations with a positioning means, b. detecting with detecting means reaction data from said known source of radiation in each known location of step (a), c. placing sources of radiation in a body at unknown locations, d. detecting reaction data with said detecting means from said radiation sources of unknown distribution in the body, e. providing a known location of each source of radiation in the body that was detected in step (d) by comparing the detected reaction data from each radiation of step (d) with detected reaction data from step (b), and f. combining the known locations of each source of radiation in the body detected in step (d) to provide a visual display of the sources of radiation in said body in the final form of an image of the radiation sources in the body.
Claim 8
Independent Claim 167 words
A method of locating and displaying radiation sources from a distributed radiation material at unknown locations comprising the steps of: a. placing at least one known source of radiation in locations with a positioning means, b. detecting with detecting means reaction data from said known source of radiation in each known location of step (a), c. placing sources of radiation in a body at unknown locations, d. detecting reaction data with said detecting means from said radiation sources of unknown distribution in the body, e. providing a known location of each source of radiation in the body that was detected in step (d) by comparing the detected reaction data from each radiation of step (d) with detected reaction data from step (b), and f. combining the known locations of each source of radiation in the body detected in step (d) to provide a visual display of the sources of radiation in said body in the final form of an image of the radiation sources in the body.

References Cited (Backward Citations)

US3327116A Cited
US3509339A Cited
US3594577A Cited
US3609362A Cited
US3622784A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-14 1978-10-14 1979-04-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-14 1982-10-14 1983-04-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-14 1986-10-14 1987-04-15 $7700.00 Window Closed / Lapsed

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