DE3162270D1 - Electron emission regulator for an x-ray tube filament - Google Patents

Electron emission regulator for an x-ray tube filament

Info

Publication number
DE3162270D1
DE3162270D1 DE8181104758T DE3162270T DE3162270D1 DE 3162270 D1 DE3162270 D1 DE 3162270D1 DE 8181104758 T DE8181104758 T DE 8181104758T DE 3162270 T DE3162270 T DE 3162270T DE 3162270 D1 DE3162270 D1 DE 3162270D1
Authority
DE
Germany
Prior art keywords
ray tube
electron emission
tube filament
emission regulator
regulator
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
Application number
DE8181104758T
Other languages
English (en)
Inventor
Harvey Gene Randall
Herbert Edward Daniels
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.)
General Electric Co
Original Assignee
General Electric Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22594413&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3162270(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of DE3162270D1 publication Critical patent/DE3162270D1/de
Expired 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
    • H05G1/34—Anode current, heater current or heater voltage of X-ray tube

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • X-Ray Techniques (AREA)
DE8181104758T 1980-06-30 1981-06-20 Electron emission regulator for an x-ray tube filament Expired DE3162270D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/164,423 US4322625A (en) 1980-06-30 1980-06-30 Electron emission regulator for an x-ray tube filament

Publications (1)

Publication Number Publication Date
DE3162270D1 true DE3162270D1 (en) 1984-03-22

Family

ID=22594413

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181104758T Expired DE3162270D1 (en) 1980-06-30 1981-06-20 Electron emission regulator for an x-ray tube filament

Country Status (4)

Country Link
US (1) US4322625A (de)
EP (1) EP0043060B1 (de)
JP (1) JPS5743400A (de)
DE (1) DE3162270D1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6070698A (ja) * 1983-09-27 1985-04-22 Toshiba Corp Ｘ線管フイラメント加熱装置
US4654770A (en) * 1983-12-22 1987-03-31 General Electric Company Current-limit circuit in X-ray generator
US4596029A (en) * 1983-12-22 1986-06-17 General Electric Company X-ray generator with phase-advance voltage feedback
US4597026A (en) * 1983-12-22 1986-06-24 General Electric Company Inverter variable dead time for X-ray generator
US4601051A (en) * 1983-12-22 1986-07-15 General Electric Company Protective circuit for X-ray generator
US4589051A (en) * 1983-12-22 1986-05-13 General Electric Company Second breakdown protection circuit for X-ray generator inverter
JPS62246300A (ja) * 1986-04-18 1987-10-27 Morita Mfg Co Ltd Ｘ線診断装置
US4930146A (en) * 1989-07-10 1990-05-29 General Electric Company X-ray tube current control with constant loop gain
US6392355B1 (en) 2000-04-25 2002-05-21 Mcnc Closed-loop cold cathode current regulator
US7340035B2 (en) * 2004-10-13 2008-03-04 General Electric Company X-ray tube cathode overvoltage transient supression apparatus
TWI285519B (en) * 2005-11-04 2007-08-11 Delta Electronics Inc Method adopting square voltage waveform for driving flat lamps
JP4841885B2 (ja) * 2005-07-21 2011-12-21 フルタ電機株式会社 送風機用の低騒音ファン装置
WO2010058332A2 (en) * 2008-11-21 2010-05-27 Philips Intellectual Property & Standards Gmbh X-ray tube with repelling top electrode for accelerated switching-off
WO2010111697A2 (en) * 2009-03-27 2010-09-30 Infimed, Inc. Rise/fall time control for x-ray pulses
US8964940B2 (en) * 2012-11-21 2015-02-24 Thermo Scientific Portable Analytical Instruments Inc. Dynamically adjustable filament control through firmware for miniature x-ray source
CN113539768B (zh) * 2021-07-21 2024-01-30 康达洲际医疗器械有限公司 X射线管灯丝预热方法、装置及成像设备
CN114023618B (zh) * 2021-09-23 2024-05-14 康达洲际医疗器械有限公司 一种用于焦点射线切换的切换方法与电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3521067A (en) * 1968-04-15 1970-07-21 Picker Corp X-ray tube current stabilization
US3766391A (en) * 1972-04-24 1973-10-16 Cgr Medical Corp Rms current regulator for an x-ray tube
NL7314036A (nl) * 1973-10-12 1975-04-15 Philips Nv Gloeistroomverzorging voor een op hoogspanning ven elektronenbuis.
US3916251A (en) * 1974-11-11 1975-10-28 Cgr Medical Corp Filament current regulator for rotating anode X-ray tubes
DE2542016A1 (de) * 1975-09-20 1977-03-24 Philips Patentverwaltung Schaltungsanordnung zur einstellung des aufnahmestroms einer roentgenroehre
US4072865A (en) * 1976-06-24 1978-02-07 American Radiologic Systems, Inc. Automatic control system
DE2834750A1 (de) * 1978-08-08 1980-02-14 Siemens Ag Schaltungsanordnung zum speisen der kathodenheizung von elektronenroehren

Also Published As

Publication number Publication date
JPS5743400A (en) 1982-03-11
JPH0212000B2 (de) 1990-03-16
EP0043060A1 (de) 1982-01-06
EP0043060B1 (de) 1984-02-15
US4322625A (en) 1982-03-30

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Legal Events

Date Code Title Description
8365 Fully valid after opposition proceedings
8328 Change in the person/name/address of the agent

Free format text: VOIGT, R., DIPL.-ING., PAT.-ANW., 6232 BAD SODEN

8320 Willingness to grant licences declared (paragraph 23)