FR575420A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR575420A
FR575420A FR575420DA FR575420A FR 575420 A FR575420 A FR 575420A FR 575420D A FR575420D A FR 575420DA FR 575420 A FR575420 A FR 575420A
Authority
FR
France
Prior art keywords
electric shock
shock devices
devices
electric
shock
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 FR575420A publication Critical patent/FR575420A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J27/00—Ion beam tubes
    • H01J27/02—Ion sources; Ion guns
    • H01J27/26—Ion sources; Ion guns using surface ionisation, e.g. field effect ion sources, thermionic ion sources
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/68—Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Discharge Lamp (AREA)
FR575420D 1922-12-21 1923-12-18 Improvements to electric shock devices Expired FR575420A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US208728XA 1922-12-21 1922-12-21

Publications (1)

Publication Number Publication Date
FR575420A true FR575420A (en) 1924-07-30

Family

ID=21801055

Family Applications (1)

Application Number Title Priority Date Filing Date
FR575420D Expired FR575420A (en) 1922-12-21 1923-12-18 Improvements to electric shock devices

Country Status (3)

Country Link
FR (1) FR575420A (en)
GB (1) GB208728A (en)
NL (1) NL15276C (en)

Also Published As

Publication number Publication date
GB208728A (en) 1925-04-21
NL15276C (en)

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