FR838835A - Improvements to electronic lamps - Google Patents

Improvements to electronic lamps

Info

Publication number
FR838835A
FR838835A FR838835DA FR838835A FR 838835 A FR838835 A FR 838835A FR 838835D A FR838835D A FR 838835DA FR 838835 A FR838835 A FR 838835A
Authority
FR
France
Prior art keywords
electronic lamps
lamps
electronic
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.)
AEG AG
Original Assignee
Allgemeine Elektricitaets Gesellschaft
AEG AG
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 Allgemeine Elektricitaets Gesellschaft, AEG AG filed Critical Allgemeine Elektricitaets Gesellschaft
Application granted granted Critical
Publication of FR838835A publication Critical patent/FR838835A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/001—Non-constructive schematic arrangements
FR838835D 1937-06-08 1938-06-03 Improvements to electronic lamps Expired FR838835A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE838835X 1937-06-08

Publications (1)

Publication Number Publication Date
FR838835A true FR838835A (en) 1939-03-16

Family

ID=6761754

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838835D Expired FR838835A (en) 1937-06-08 1938-06-03 Improvements to electronic lamps

Country Status (1)

Country Link
FR (1) FR838835A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499957A (en) * 1941-08-05 1950-03-07 Hartford Nat Bank & Trust Co Beam forming electron discharge tube
DE1009319B (en) * 1953-01-29 1957-05-29 Lorenz C Ag Electron tubes with several grids
DE1040129B (en) * 1952-04-22 1958-10-02 Sebel S A Cathode ray fluorescent lamp

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2499957A (en) * 1941-08-05 1950-03-07 Hartford Nat Bank & Trust Co Beam forming electron discharge tube
DE1040129B (en) * 1952-04-22 1958-10-02 Sebel S A Cathode ray fluorescent lamp
DE1009319B (en) * 1953-01-29 1957-05-29 Lorenz C Ag Electron tubes with several grids

Similar Documents

Publication Publication Date Title
FR831495A (en) Refinements to fletched projectiles
FR843791A (en) Improvements to discharge lamps
FR842543A (en) Improvements to locknuts
FR838168A (en) Improvements to discharge lamps
FR833471A (en) Improvements to electric lamps
FR835103A (en) Improvements to electric lamps
FR837811A (en) Improvements to electronic devices
FR846216A (en) Improvements to objectives
FR840573A (en) Improvements to electronic multipliers
FR819817A (en) Improvements to refrigerants
FR838835A (en) Improvements to electronic lamps
FR832724A (en) Improvements to electric lamps
FR828641A (en) Improvements to refractory objects
FR831022A (en) Refinements to fletched projectiles
FR844988A (en) Improvements to pose-meters
FR823963A (en) Improvements to autocolimators
FR838167A (en) Improvements to electric lamps
FR749053A (en) Improvements to electronic lamps
FR825097A (en) Improvements to electronic lamps
FR48482E (en) Improvements to trailers
FR831099A (en) Improvements made to cases
FR818705A (en) Improvements to electronic lamps
FR785266A (en) Improvements to electronic lamps
FR841245A (en) Improvements to electric lamps
FR830672A (en) Improvements to electric lamps