US4454423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit arrangement for a radiation detector
Assignee: Siemens AG
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Filing: 1982-04-22
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Granted: 1984-06-12
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Expires: 2002-04-22
Abstract
Abstract In an exemplary embodiment, an integrator circuit for the detector output signal comprises a capacitance which is directly charged by the radiation detector. Between the capacitance and an associated charge amplifier a switch is disposed for the selective transmission of the charge of the capacitance to the charge amplifier.
Inventors
- 👤 Lothar Koob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:17
CPC Classifications
G; G01; G01T; G01T1/00; G01T1/16; G01T1/185
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
94 words
A circuit arrangement comprising a radiation detector for the conversion of radiation into corresponding electric signals, an integrator circuit for connection with the radiation detector to receive the detector output signal, said integrator circuit comprising a capacitance for directly integrating the output signal of the radiation detector to generate a measure of the radiation incident on the detector, a charge amplifier for selective coupling with said capacitance, and, between the capacitance and said charge amplifier, essentially only a switch being connected for the transmission of the charge of the capacitance to the charge amplifier.
Claim 2
Dependent Claim
94 words
A circuit arrangement comprising a radiation detector for the conversion of radiation into corresponding electric signals, an integrator circuit for connection with the radiation detector to receive the detector output signal, said integrator circuit comprising a capacitance for directly integrating the output signal of the radiation detector to generate a measure of the radiation incident on the detector, a charge amplifier for selective coupling with said capacitance, and, between the capacitance and said charge amplifier, essentially only a switch being connected for the transmission of the charge of the capacitance to the charge amplifier.
Claim 3
Dependent Claim
71 words
A circuit arrangement according to claim 1, characterized in that the charge amplifier has an output for supplying a measured value signal in accordance with the charge transmitted thereto, such that the measured value signal represents a respective measured value of radiation as sensed by the radiation detector, said charge amplifier having a discharge switch for the discharge of a charge transmitted thereto following an evaluation of a respective measured value.
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) | 1987-06-12 | 1987-12-12 | 1988-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-06-12 | 1991-12-12 | 1992-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-06-12 | 1995-12-12 | 1996-06-12 | $7700.00 | Window Closed / Lapsed |