FR27289E - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR27289E
FR27289E FR27289DA FR27289E FR 27289 E FR27289 E FR 27289E FR 27289D A FR27289D A FR 27289DA FR 27289 E FR27289 E FR 27289E
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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
Other languages
French (fr)
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR27289E publication Critical patent/FR27289E/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/02—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area using chambers or hoods covering the area
    • 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)
  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
FR27289D 1924-09-02 1923-01-29 Improvements to electronic discharge devices Expired FR27289E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US735266A US1653102A (en) 1924-09-02 1924-09-02 Electron-discharge apparatus

Publications (1)

Publication Number Publication Date
FR27289E true FR27289E (en) 1924-05-31

Family

ID=24955045

Family Applications (3)

Application Number Title Priority Date Filing Date
FR542381D Expired FR542381A (en) 1924-09-02 1921-10-15 Improvements to electronic discharge devices
FR27289D Expired FR27289E (en) 1924-09-02 1923-01-29 Improvements to electronic discharge devices
FR31070D Expired FR31070E (en) 1924-09-02 1925-09-01 Improvements to electronic discharge devices

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR542381D Expired FR542381A (en) 1924-09-02 1921-10-15 Improvements to electronic discharge devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR31070D Expired FR31070E (en) 1924-09-02 1925-09-01 Improvements to electronic discharge devices

Country Status (5)

Country Link
US (1) US1653102A (en)
DE (1) DE407939C (en)
FR (3) FR542381A (en)
GB (3) GB170546A (en)
NL (1) NL9214C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE765930C (en) * 1938-03-27 1954-02-08 Siemens Reiniger Werke Ag Device for automatically keeping the emission of glow cathode discharge tubes constant, especially X-ray tubes
US2824925A (en) * 1951-06-23 1958-02-25 Westinghouse Electric Corp Electromagnetic trip circuit interrupters

Also Published As

Publication number Publication date
GB170546A (en) 1922-06-15
GB201741A (en) 1923-08-09
GB239511A (en) 1926-08-05
US1653102A (en) 1927-12-20
FR542381A (en) 1922-08-10
FR31070E (en) 1926-11-22
DE407939C (en) 1925-01-06
NL9214C (en) 1923-06-15

Similar Documents

Publication Publication Date Title
FR712233A (en) Improvements to electronic discharge devices
FR603584A (en) Improvements to electronic discharge devices
FR27289E (en) Improvements to electronic discharge devices
FR29821E (en) Improvements to electronic discharge devices
FR602556A (en) Improvements to electronic discharge devices
FR608532A (en) Improvements to electronic discharge devices
FR611996A (en) Improvements to electronic discharge devices
FR546783A (en) Improvements to electronic discharge devices
FR26840E (en) Improvements to electronic discharge devices
FR29591E (en) Improvements to electronic discharge devices
FR613397A (en) Improvements to electronic discharge devices
FR602775A (en) Improvements to electronic discharge devices
FR602774A (en) Improvements to electronic discharge devices
FR641413A (en) Improvements to electronic discharge devices
FR734074A (en) Improvements to electronic discharge devices
FR619913A (en) Improvements to electronic discharge tubes
FR26853E (en) Improvements to electronic discharge devices
FR562704A (en) Improvements to electronic discharge devices
FR32234E (en) Improvements to electronic discharge devices
FR612333A (en) Improvements to electronic discharge devices
FR662123A (en) Improvements to electronic discharge devices
FR542821A (en) Improvements to electronic discharge devices
FR546673A (en) Improvements to electronic discharge devices
FR540766A (en) Improvements to electronic discharge devices
FR541838A (en) Improvements to electronic discharge devices