DE3432176C2 - - Google Patents
Info
- Publication number
- DE3432176C2 DE3432176C2 DE3432176A DE3432176A DE3432176C2 DE 3432176 C2 DE3432176 C2 DE 3432176C2 DE 3432176 A DE3432176 A DE 3432176A DE 3432176 A DE3432176 A DE 3432176A DE 3432176 C2 DE3432176 C2 DE 3432176C2
- Authority
- DE
- Germany
- Prior art keywords
- aperture
- voltage
- comparator
- photomultiplier
- signal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 238000005422 blasting Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 241001397173 Kali <angiosperm> Species 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
- H01J43/04—Electron multipliers
- H01J43/30—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
Landscapes
- Facsimile Scanning Arrangements (AREA)
- Facsimile Heads (AREA)
- Image Input (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58166172A JPS6057762A (ja) | 1983-09-08 | 1983-09-08 | 画像走査記録装置における光電子増倍管の印加電圧調整方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3432176A1 DE3432176A1 (de) | 1985-04-04 |
DE3432176C2 true DE3432176C2 (en, 2012) | 1989-04-27 |
Family
ID=15826404
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19843432176 Granted DE3432176A1 (de) | 1983-09-08 | 1984-08-31 | Verfahren und vorrichtung fuer die steuerung des maximalen ausgangsstroms des photovervielfachers eines bildreproduktionssystems |
Country Status (4)
Country | Link |
---|---|
US (1) | US4563707A (en, 2012) |
JP (1) | JPS6057762A (en, 2012) |
DE (1) | DE3432176A1 (en, 2012) |
GB (1) | GB2146465B (en, 2012) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
HU187978B (en) * | 1983-10-07 | 1986-03-28 | Mta Koezponti Fizikai Kutato Intezete,Hu | Method and circuit arrangement for measuring light at least in a range of six order of magnitude, preferably for tld apparatuses |
US4661693A (en) * | 1984-03-31 | 1987-04-28 | Kabushiki Kaisha Toshiba | Photomultiplier control circuit having a compensating light source |
EP0281659B1 (de) * | 1987-03-13 | 1989-09-27 | Dr.-Ing. Rudolf Hell GmbH | Verfahren und Einrichtung zum Weiss-Abgleich |
US4803554A (en) * | 1987-09-30 | 1989-02-07 | Polaroid Corporation | Electronic imaging camera utilizing EPROM memory |
US7963695B2 (en) | 2002-07-23 | 2011-06-21 | Rapiscan Systems, Inc. | Rotatable boom cargo scanning system |
US8275091B2 (en) | 2002-07-23 | 2012-09-25 | Rapiscan Systems, Inc. | Compact mobile cargo scanning system |
US6928141B2 (en) | 2003-06-20 | 2005-08-09 | Rapiscan, Inc. | Relocatable X-ray imaging system and method for inspecting commercial vehicles and cargo containers |
US7471764B2 (en) | 2005-04-15 | 2008-12-30 | Rapiscan Security Products, Inc. | X-ray imaging system having improved weather resistance |
US7526064B2 (en) | 2006-05-05 | 2009-04-28 | Rapiscan Security Products, Inc. | Multiple pass cargo inspection system |
GB0809110D0 (en) | 2008-05-20 | 2008-06-25 | Rapiscan Security Products Inc | Gantry scanner systems |
US8963094B2 (en) | 2008-06-11 | 2015-02-24 | Rapiscan Systems, Inc. | Composite gamma-neutron detection system |
GB0810638D0 (en) | 2008-06-11 | 2008-07-16 | Rapiscan Security Products Inc | Photomultiplier and detection systems |
US9310323B2 (en) | 2009-05-16 | 2016-04-12 | Rapiscan Systems, Inc. | Systems and methods for high-Z threat alarm resolution |
PL2673660T3 (pl) | 2011-02-08 | 2018-01-31 | Rapiscan Systems Inc | Tajny nadzór z użyciem wykrywania multimodalnego |
US9218933B2 (en) | 2011-06-09 | 2015-12-22 | Rapidscan Systems, Inc. | Low-dose radiographic imaging system |
PL2952068T3 (pl) | 2013-01-31 | 2021-07-26 | Rapiscan Systems, Inc. | Przenośny system kontroli bezpieczeństwa |
US9557427B2 (en) | 2014-01-08 | 2017-01-31 | Rapiscan Systems, Inc. | Thin gap chamber neutron detectors |
DE102014010185A1 (de) * | 2014-07-09 | 2016-01-14 | Carl Zeiss Microscopy Gmbh | Verfahren zum Betrieb eines Laser-Scanning-Mikroskops |
CA3207580A1 (en) | 2021-02-23 | 2022-09-01 | Neil Duncan CARRINGTON | Systems and methods for eliminating cross-talk in scanning systems having multiple x-ray sources |
US12385854B2 (en) | 2022-07-26 | 2025-08-12 | Rapiscan Holdings, Inc. | Methods and systems for performing on-the-fly automatic calibration adjustments of X-ray inspection systems |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2280303A (en) * | 1941-01-04 | 1942-04-21 | Bell Telephone Labor Inc | Electron multiplier system |
US3476940A (en) * | 1967-12-12 | 1969-11-04 | Gen Aniline & Film Corp | Photomultiplier system whereby dynode voltage supply is varied in accordance with modulation of incident light,holding output current constant and using measure of dynode voltage as measure of modulation of light |
US3543095A (en) * | 1968-11-05 | 1970-11-24 | Us Navy | Photocathode protection circuit |
US3765776A (en) * | 1971-02-22 | 1973-10-16 | F Bravenec | Calibrated densitometer accommodating various color tones |
JPS5224850B2 (en, 2012) * | 1972-01-17 | 1977-07-04 | ||
US4343540A (en) * | 1981-02-17 | 1982-08-10 | The Gerber Scientific Instrument Company | Plotting apparatus and method utilizing encoded optical means |
US4436994A (en) * | 1981-12-28 | 1984-03-13 | Beckman Instruments, Inc. | Photomultiplier detector protection device and method |
-
1983
- 1983-09-08 JP JP58166172A patent/JPS6057762A/ja active Granted
-
1984
- 1984-05-15 US US06/610,527 patent/US4563707A/en not_active Expired - Lifetime
- 1984-07-13 GB GB08417888A patent/GB2146465B/en not_active Expired
- 1984-08-31 DE DE19843432176 patent/DE3432176A1/de active Granted
Also Published As
Publication number | Publication date |
---|---|
US4563707A (en) | 1986-01-07 |
GB2146465A (en) | 1985-04-17 |
GB8417888D0 (en) | 1984-08-15 |
DE3432176A1 (de) | 1985-04-04 |
JPS6057762A (ja) | 1985-04-03 |
JPH0234554B2 (en, 2012) | 1990-08-03 |
GB2146465B (en) | 1987-04-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |