FR41503E - Improvements to luminescence lamps - Google Patents

Improvements to luminescence lamps

Info

Publication number
FR41503E
FR41503E FR41503DA FR41503E FR 41503 E FR41503 E FR 41503E FR 41503D A FR41503D A FR 41503DA FR 41503 E FR41503 E FR 41503E
Authority
FR
France
Prior art keywords
luminescence lamps
luminescence
lamps
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 FR41503E publication Critical patent/FR41503E/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
    • H01J61/54—Igniting arrangements, e.g. promoting ionisation for starting
FR41503D 1931-12-24 1931-12-24 Improvements to luminescence lamps Expired FR41503E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR41503T 1931-12-24

Publications (1)

Publication Number Publication Date
FR41503E true FR41503E (en) 1933-01-28

Family

ID=8677654

Family Applications (1)

Application Number Title Priority Date Filing Date
FR41503D Expired FR41503E (en) 1931-12-24 1931-12-24 Improvements to luminescence lamps

Country Status (1)

Country Link
FR (1) FR41503E (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1133572B (en) * 1959-10-19 1962-07-19 Commw Scient Ind Res Org Discharge tubes with a hollow cathode and an encapsulated cover

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1133572B (en) * 1959-10-19 1962-07-19 Commw Scient Ind Res Org Discharge tubes with a hollow cathode and an encapsulated cover

Similar Documents

Publication Publication Date Title
FR732263A (en) Improvements to detonators
FR736262A (en) Improvements to pumps
FR41503E (en) Improvements to luminescence lamps
FR730429A (en) Improvements to light sources
FR40697E (en) Improvements to luminescence lamps
FR40059E (en) Improvements to luminescence lamps
FR727637A (en) Elevator improvements
FR719705A (en) Improvements to luminous fountains
FR724344A (en) Improvements to mine lamps
FR755136A (en) Improvements to thermo-ionic lamps
FR753774A (en) Improvements to cathodic luminescence lamps
FR37816E (en) Improvements to luminescence lamps
FR727714A (en) Improvements to automatic arc lamps
FR678289A (en) Improvements to luminescence lamps
FR739636A (en) Advanced lighting projectors
FR740606A (en) Telegraphone Improvements
FR40651E (en) Improvements made to glow amplifier lamps
FR732899A (en) Improvements to micro-telephones
FR732335A (en) Improvements to servo-brakes
FR727937A (en) Improvements to decavaillonneurs
FR719285A (en) Improvements to bannetons
FR718083A (en) Improvements to valve-pistons
FR715992A (en) Improvements to motocameras
FR41670E (en) Improvements to decavaillonneurs
FR736704A (en) Improvements to so-called lamps