FR644835A - Improvements to luminescent electric discharge tubes - Google Patents

Improvements to luminescent electric discharge tubes

Info

Publication number
FR644835A
FR644835A FR644835DA FR644835A FR 644835 A FR644835 A FR 644835A FR 644835D A FR644835D A FR 644835DA FR 644835 A FR644835 A FR 644835A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
luminescent electric
luminescent
tubes
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.)
MANHATTAN ELECTRICAL SUPPLY CO
Original Assignee
MANHATTAN ELECTRICAL SUPPLY CO
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 MANHATTAN ELECTRICAL SUPPLY CO filed Critical MANHATTAN ELECTRICAL SUPPLY CO
Application granted granted Critical
Publication of FR644835A publication Critical patent/FR644835A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/02—Details
    • H01J17/04—Electrodes; Screens
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/04—Electrodes; Screens; Shields
FR644835D 1927-10-22 1927-11-09 Improvements to luminescent electric discharge tubes Expired FR644835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2813827A GB310066A (en) 1927-10-22 1927-10-22 Improvements in and relating to a luminous electrical discharge tube

Publications (1)

Publication Number Publication Date
FR644835A true FR644835A (en) 1928-10-15

Family

ID=10270847

Family Applications (1)

Application Number Title Priority Date Filing Date
FR644835D Expired FR644835A (en) 1927-10-22 1927-11-09 Improvements to luminescent electric discharge tubes

Country Status (4)

Country Link
DE (1) DE492443C (en)
FR (1) FR644835A (en)
GB (1) GB310066A (en)
NL (2) NL38970B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9716640D0 (en) * 1997-08-07 1997-10-15 Smiths Industries Plc Electrode structures and lamps
GB2328075B (en) * 1997-08-07 2002-05-15 Smiths Industries Plc Electrode stuctures and lamps
GB2414340A (en) * 2004-05-19 2005-11-23 Heraeus Noblelight Ltd Quartz glass lamp and method for forming a quart glass lamp

Also Published As

Publication number Publication date
DE492443C (en) 1930-02-24
NL38970B (en)
NL24811C (en)
GB310066A (en) 1929-04-22

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