FR652324A - Incandescent and gas-filled cathode discharge tubes - Google Patents

Incandescent and gas-filled cathode discharge tubes

Info

Publication number
FR652324A
FR652324A FR652324DA FR652324A FR 652324 A FR652324 A FR 652324A FR 652324D A FR652324D A FR 652324DA FR 652324 A FR652324 A FR 652324A
Authority
FR
France
Prior art keywords
incandescent
gas
discharge tubes
cathode discharge
filled cathode
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR652324A publication Critical patent/FR652324A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/30—Igniting arrangements
FR652324D 1927-04-11 1928-04-06 Incandescent and gas-filled cathode discharge tubes Expired FR652324A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL1935846X 1927-04-11

Publications (1)

Publication Number Publication Date
FR652324A true FR652324A (en) 1929-03-07

Family

ID=19873335

Family Applications (1)

Application Number Title Priority Date Filing Date
FR652324D Expired FR652324A (en) 1927-04-11 1928-04-06 Incandescent and gas-filled cathode discharge tubes

Country Status (3)

Country Link
US (1) US1935846A (en)
DE (1) DE555179C (en)
FR (1) FR652324A (en)

Also Published As

Publication number Publication date
US1935846A (en) 1933-11-21
DE555179C (en) 1932-08-03

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