DE69104279T2 - Automatische Kalibrierungsvorrichtung. - Google Patents

Automatische Kalibrierungsvorrichtung.

Info

Publication number
DE69104279T2
DE69104279T2 DE69104279T DE69104279T DE69104279T2 DE 69104279 T2 DE69104279 T2 DE 69104279T2 DE 69104279 T DE69104279 T DE 69104279T DE 69104279 T DE69104279 T DE 69104279T DE 69104279 T2 DE69104279 T2 DE 69104279T2
Authority
DE
Germany
Prior art keywords
calibration device
automatic calibration
automatic
calibration
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 - Fee Related
Application number
DE69104279T
Other languages
English (en)
Other versions
DE69104279D1 (de
Inventor
Robert J Sammon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Philips Nuclear Medicine Inc
Original Assignee
Picker International Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Picker International Inc filed Critical Picker International Inc
Publication of DE69104279D1 publication Critical patent/DE69104279D1/de
Application granted granted Critical
Publication of DE69104279T2 publication Critical patent/DE69104279T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/46—Combined control of different quantities, e.g. exposure time as well as voltage or current
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05G—X-RAY TECHNIQUE
    • H05G1/00—X-ray apparatus involving X-ray tubes; Circuits therefor
    • H05G1/08—Electrical details
    • H05G1/26—Measuring, controlling or protecting
    • H05G1/30—Controlling
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube
DE69104279T 1990-07-05 1991-05-15 Automatische Kalibrierungsvorrichtung. Expired - Fee Related DE69104279T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/549,404 US5077773A (en) 1990-07-05 1990-07-05 Automatic filament calibration system for x-ray generators

Publications (2)

Publication Number Publication Date
DE69104279D1 DE69104279D1 (de) 1994-11-03
DE69104279T2 true DE69104279T2 (de) 1995-02-16

Family

ID=24192895

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69104279T Expired - Fee Related DE69104279T2 (de) 1990-07-05 1991-05-15 Automatische Kalibrierungsvorrichtung.

Country Status (4)

Country Link
US (1) US5077773A (de)
EP (1) EP0464996B1 (de)
JP (1) JP3275053B2 (de)
DE (1) DE69104279T2 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4416556A1 (de) * 1994-05-11 1995-11-16 Philips Patentverwaltung Röntgengenerator
FR2722938B1 (fr) * 1994-07-25 1996-10-11 Ge Medical Syst Sa Procede de reglage de parametre(s) de fonctionnement d'un appareil radiologique et generateur correspondant
SE505925C2 (sv) * 1996-09-25 1997-10-27 Ragnar Kullenberg Metod och anordning för att detektera och analysera röntgenstrålning
US6456009B1 (en) * 2000-07-31 2002-09-24 Communication And Power Industries Adaptive heater voltage algorithm and control system for setting and maintenance of the heater voltage of a vacuum electron device
WO2003086028A1 (fr) * 2002-04-05 2003-10-16 Hamamatsu Photonics K.K. Procede et appareil de controle de tube a rayons x
FR2849983A1 (fr) * 2003-01-10 2004-07-16 Ge Med Sys Global Tech Co Llc Procede de reglage du debit de rayonnement d'un tube a rayons x
US7327829B2 (en) * 2004-04-20 2008-02-05 Varian Medical Systems Technologies, Inc. Cathode assembly
JP4170305B2 (ja) 2005-04-05 2008-10-22 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー 放射線撮影装置
JP6257948B2 (ja) * 2012-08-07 2018-01-10 東芝メディカルシステムズ株式会社 Ｘ線撮影システム
CN104302081B (zh) * 2014-09-24 2017-06-16 沈阳东软医疗系统有限公司 一种ct球管中灯丝电流的控制方法和设备
CN105430858B (zh) * 2015-11-06 2017-06-23 苏州博思得电气有限公司 一种x射线管的灯丝电流值校准方法及装置
CN105769232B (zh) 2016-02-22 2018-01-12 上海联影医疗科技有限公司 Ct设备的x射线管灯丝预热方法和预热电路
US10165663B2 (en) 2016-04-05 2018-12-25 General Electric Company X-ray systems having individually measurable emitters
CN106851951B (zh) * 2017-02-21 2019-04-23 联影（贵州）医疗科技有限公司 X射线管灯丝电流数据校正方法及系统
JP6849521B2 (ja) * 2017-05-01 2021-03-24 キヤノン電子管デバイス株式会社 Ｘ線システムおよびｘ線管検査方法
CN108650768B (zh) * 2018-05-09 2020-07-07 苏州博思得电气有限公司 灯丝电流控制方法及装置
GB201904168D0 (en) 2019-03-26 2019-05-08 Nikon Metrology Nv Method of setting a filament demand in an x-ray apparatus, controller, x-ray apparatus, control program and storage medium
CN112291911A (zh) * 2020-09-24 2021-01-29 宁波伊士通技术股份有限公司 一种x射线管的管电流自动校正控制装置及方法
CN112149044B (zh) * 2020-11-26 2021-03-05 海辉医学(北京)科技有限公司 一种x透视摄影中ma校准方法、装置、设备及存储介质
US20230251210A1 (en) * 2022-02-07 2023-08-10 Hologic, Inc. Systems and methods for adaptively controlling filament current in an x-ray tube

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4322797A (en) * 1978-04-19 1982-03-30 U.S. Philips Corporation X-ray tube filament current predicting circuit
US4593371A (en) * 1983-11-14 1986-06-03 General Electric Company X-ray tube emission current controller
US4768216A (en) * 1987-08-07 1988-08-30 Diasonics Inc. Dynamic calibration for an X-ray machine
US4930145A (en) * 1988-08-15 1990-05-29 General Electric Company X-ray exposure regulator

Also Published As

Publication number Publication date
DE69104279D1 (de) 1994-11-03
EP0464996A2 (de) 1992-01-08
JP3275053B2 (ja) 2002-04-15
EP0464996A3 (en) 1992-06-10
JPH04229937A (ja) 1992-08-19
EP0464996B1 (de) 1994-09-28
US5077773A (en) 1991-12-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8328 Change in the person/name/address of the agent

Free format text: PATENTANWAELTE REICHEL UND REICHEL, 60322 FRANKFURT

8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS MEDICAL SYSTEMS (CLEVELAND), INC., CLEVELA

8339 Ceased/non-payment of the annual fee