FR704307A - Improvements to electric shock devices - Google Patents

Improvements to electric shock devices

Info

Publication number
FR704307A
FR704307A FR704307DA FR704307A FR 704307 A FR704307 A FR 704307A FR 704307D A FR704307D A FR 704307DA FR 704307 A FR704307 A FR 704307A
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.)
Parlophone Records Ltd
Original Assignee
Gramophone Co Ltd
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 Gramophone Co Ltd filed Critical Gramophone Co Ltd
Application granted granted Critical
Publication of FR704307A publication Critical patent/FR704307A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/38—Exhausting, degassing, filling, or cleaning vessels
    • H01J9/395—Filling vessels

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
FR704307D 1929-11-25 1930-10-24 Improvements to electric shock devices Expired FR704307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB704307X 1929-11-25

Publications (1)

Publication Number Publication Date
FR704307A true FR704307A (en) 1931-05-18

Family

ID=10493930

Family Applications (1)

Application Number Title Priority Date Filing Date
FR704307D Expired FR704307A (en) 1929-11-25 1930-10-24 Improvements to electric shock devices

Country Status (1)

Country Link
FR (1) FR704307A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (en) * 1936-01-26 1943-09-24 Siemens Ag Arrangement for the evaporation of a getter material from a tube to be heated from the outside and opening into the interior of a discharge vessel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739389C (en) * 1936-01-26 1943-09-24 Siemens Ag Arrangement for the evaporation of a getter material from a tube to be heated from the outside and opening into the interior of a discharge vessel

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