FR638288A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR638288A
FR638288A FR638288DA FR638288A FR 638288 A FR638288 A FR 638288A FR 638288D A FR638288D A FR 638288DA FR 638288 A FR638288 A FR 638288A
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 FR638288A publication Critical patent/FR638288A/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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
FR638288D 1926-07-19 1927-07-19 Improvements to electric shock devices Expired FR638288A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB638288X 1926-07-19

Publications (1)

Publication Number Publication Date
FR638288A true FR638288A (en) 1928-05-21

Family

ID=10489284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638288D Expired FR638288A (en) 1926-07-19 1927-07-19 Improvements to electric shock devices

Country Status (1)

Country Link
FR (1) FR638288A (en)

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