US4580057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Neutron detector amplifier circuit
Assignee: Mobil Oil AS
•
Filing: 1983-04-29
•
Granted: 1986-04-01
•
Expires: 2003-04-29
Abstract
Abstract A neutron detector system is disclosed wherein a neutron charge amplifier discriminator circuit is used in conjunction with a neutron detector enabling detection of nuclear events, amplification of extremely small signals, conditioning of the signals, further amplification of the signal, discrimination of the signals, conversion into digital form and counting for a predetermined time period.
Inventors
- 👤 Feroze J. Sidhwa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:37
CPC Classifications
G; G01; G01T; G01T3/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
79 words
A neutron charge amplifier circuit comprising: neutron detector for counting incident neutrons and producing an electrical signal in response thereto; gain means close coupled to said neutron detector for receiving wherein said electrical signal is combined with a high voltage signal to provide an input signal and amplifying said input signal and producing an amplified signal; and discriminator means connected to said gain means for receiving said amplified signal and producing a digital signal representative of said electrical signal.
Claim 2
Dependent Claim
79 words
A neutron charge amplifier circuit comprising: neutron detector for counting incident neutrons and producing an electrical signal in response thereto; gain means close coupled to said neutron detector for receiving wherein said electrical signal is combined with a high voltage signal to provide an input signal and amplifying said input signal and producing an amplified signal; and discriminator means connected to said gain means for receiving said amplified signal and producing a digital signal representative of said electrical signal.
Claim 3
Dependent Claim
22 words
A neutron charge amplifier circuit according to claim 1 wherein said gain means includes an ultra fast field effect transistor operational amplfier.
Claim 4
Dependent Claim
26 words
A neutron charge amplifier circuit according to claim 2 wherein said gain means also includes a wide band operational amplifier configured as a non-inverting gain stage.
References Cited (Backward Citations)
US4293819A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |