Patent US3797802A successfully refreshed from Google Patents.
US3797802A
Expired / Lapsed
US
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Radiation measuring system utilizing a charge sensitive amplifier
Assignee: GEODATA INT Inc
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Filing: 1972-01-21
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Granted: 1974-03-19
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Expires: 1992-01-21
Abstract
Abstract The method and apparatus for measuring pulsed electric charges, such as the charges from a radiation detection device, which charges originate at a point remote from the place of measurement, including transmitting the charges from their source to the place of measurement, amplifying the charges with a charge sensitive preamplifier and measuring the characteristics of the charges.
Inventors
- 👤 R Foote
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:44
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/20; G01T1/208
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
113 words
A radiation measuring system for detecting radiation at a detection location and measuring such radiation at a remote measuring location, comprising: means for detecting the radiation and generating electric charges responsive thereto, the detecting means being located at the detection location; means connected to the output of the detecting means for conducting the electric charges to the remote measuring location; means at the measuring location connected to the conducting means for measuring the electric charges and amplifying the electric charges to a predetermined level compatible with the other elements of the measuring system; and means at the measuring location connected to the output of the charge amplification means for analyzing the amplified charges.
Claim 2
Dependent Claim
113 words
A radiation measuring system for detecting radiation at a detection location and measuring such radiation at a remote measuring location, comprising: means for detecting the radiation and generating electric charges responsive thereto, the detecting means being located at the detection location; means connected to the output of the detecting means for conducting the electric charges to the remote measuring location; means at the measuring location connected to the conducting means for measuring the electric charges and amplifying the electric charges to a predetermined level compatible with the other elements of the measuring system; and means at the measuring location connected to the output of the charge amplification means for analyzing the amplified charges.
Claim 3
Dependent Claim
107 words
A radiation measuring system for detecting pulsed radiation in a drill hole and measuring such pulsed radiation outside of the drill hole, comprising: means for detecting the pulsed radiation and having an output of pulsed electric charges, the detecting means being adapted to be placed into the drill hole; a charge sensitive preamplifier; a pulse amplifier; a pulse analyzer; and means for conducting pulsed electric charges between the detecting means and the preamplifier and between the preamplifier and the pulse amplifier and between the pulse amplifier and the pulse analyzer; the charge sensitive preamplifier, the pulse amplifier and the pulse analyzer being outside of the drill hole.
Claim 4
Dependent Claim
107 words
A radiation measuring system for detecting pulsed radiation in a drill hole and measuring such pulsed radiation outside of the drill hole, comprising: means for detecting the pulsed radiation and having an output of pulsed electric charges, the detecting means being adapted to be placed into the drill hole; a charge sensitive preamplifier; a pulse amplifier; a pulse analyzer; and means for conducting pulsed electric charges between the detecting means and the preamplifier and between the preamplifier and the pulse amplifier and between the pulse amplifier and the pulse analyzer; the charge sensitive preamplifier, the pulse amplifier and the pulse analyzer being outside of the drill hole.
Claim 5
Dependent Claim
103 words
A radiation measuring system for detecting pulsed radiation and measuring such pulsed radiation at a measured location remote from the detection location, comprising: means for detecting pulsed radiation and generating pulsed electric charges responsive thereto located at the detecting location; a charge sensitive preamplifier; a pulse amplifier; a pulse analyzer; and means for conducting pulsed electric charges between the detecting means and the preamplifier and between the preamplifier and the pulse amplifier and between the pulse amplifier and the pulse analyzer; the charge sensitive preamplifier, the pulse amplifier and the pulse analyzer being located at the measuring location remote from the detection location.
Claim 6
Dependent Claim
103 words
A radiation measuring system for detecting pulsed radiation and measuring such pulsed radiation at a measured location remote from the detection location, comprising: means for detecting pulsed radiation and generating pulsed electric charges responsive thereto located at the detecting location; a charge sensitive preamplifier; a pulse amplifier; a pulse analyzer; and means for conducting pulsed electric charges between the detecting means and the preamplifier and between the preamplifier and the pulse amplifier and between the pulse amplifier and the pulse analyzer; the charge sensitive preamplifier, the pulse amplifier and the pulse analyzer being located at the measuring location remote from the detection location.
Claim 7
Dependent Claim
40 words
A radiation measuring system according to claim 3, wherein said radiation detecting means includes a radiation senSitive detector having a light flash response and a photomultiplier tube to provide a pulsed output responsive to the light flashes of said detector.
Claim 8
Dependent Claim
18 words
A radiation measuring system according to claim 4 wherein said detector is a sodium iodide, thallium activated crystal.
Claim 9
Dependent Claim
18 words
A radiation measuring system according to claim 4 wherein said detector is a cesium iodide, thallium activated crystal.
Claim 10
Dependent Claim
47 words
A radiation measuring system according to claim 4 including: a high voltage supply located at said detection location for supplying voltage to said detector; a power source at the end of said measuring location; and conducting means for connecting said power source and said high voltage supply.
Claim 11
Dependent Claim
61 words
A radiation detecting and measuring apparatus comprising: means for detecting radiation having an output of pulsed electric charges; a charge sensitive preamplifier remotely located from the detecting means; a pulse amplifier connected to the charge sensitive preamplifier; a pulse analyzer connected to the pulse amplifier; and means for transmitting the pulsed charges from the detecting means to the charge sensitive preamplifier.
Claim 12
Dependent Claim
61 words
A radiation detecting and measuring apparatus comprising: means for detecting radiation having an output of pulsed electric charges; a charge sensitive preamplifier remotely located from the detecting means; a pulse amplifier connected to the charge sensitive preamplifier; a pulse analyzer connected to the pulse amplifier; and means for transmitting the pulsed charges from the detecting means to the charge sensitive preamplifier.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-18 | 1977-09-17 | 1978-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-18 | 1981-09-17 | 1982-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-18 | 1985-09-17 | 1986-03-19 | $7700.00 | Window Closed / Lapsed |