FR684526A - Perfectionnements aux tubes électroniques - Google Patents

Perfectionnements aux tubes électroniques

Info

Publication number
FR684526A
FR684526A FR684526DA FR684526A FR 684526 A FR684526 A FR 684526A FR 684526D A FR684526D A FR 684526DA FR 684526 A FR684526 A FR 684526A
Authority
FR
France
Prior art keywords
electronic tubes
tubes
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
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR684526A publication Critical patent/FR684526A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/08—Vessels; Containers; Shields associated therewith; Vacuum locks provided with coatings on the walls thereof; Selection of materials for the coatings
FR684526D 1928-11-08 1929-11-07 Perfectionnements aux tubes électroniques Expired FR684526A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE684526X 1928-11-08

Publications (1)

Publication Number Publication Date
FR684526A true FR684526A (fr) 1930-06-26

Family

ID=6597626

Family Applications (1)

Application Number Title Priority Date Filing Date
FR684526D Expired FR684526A (fr) 1928-11-08 1929-11-07 Perfectionnements aux tubes électroniques

Country Status (1)

Country Link
FR (1) FR684526A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449397A (en) * 1945-01-31 1948-09-14 American Bosch Corp Electric spark gap
US2517023A (en) * 1943-04-06 1950-08-01 Hartford Nat Bank & Trust Co Shielding for electric discharge tubes

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2517023A (en) * 1943-04-06 1950-08-01 Hartford Nat Bank & Trust Co Shielding for electric discharge tubes
US2449397A (en) * 1945-01-31 1948-09-14 American Bosch Corp Electric spark gap

Similar Documents

Publication Publication Date Title
FR681321A (fr) Perfectionnements aux tubes électroniques
FR684526A (fr) Perfectionnements aux tubes électroniques
FR707651A (fr) Perfectionnements aux tubes électroniques
FR662526A (fr) Perfectionnements apportés aux clarinettes
FR715430A (fr) Perfectionnements aux tubes électroniques
FR664536A (fr) Perfectionnements aux képis
FR36142E (fr) Perfectionnements aux paraohutes
FR697607A (fr) Perfectionnements aux tubes électroniques
FR684114A (fr) Perfectionnements apportés aux tubes électroniques
FR653794A (fr) Perfectionnements aux saxophones
FR656239A (fr) Perfectionnements apportés aux saxophones
FR666670A (fr) Perfectionnements aux robinets
FR679798A (fr) Perfectionnements aux robinets
FR658863A (fr) Perfectionnements aux robinets
FR673288A (fr) Perfectionnements aux robinets
FR39403E (fr) Perfectionnements aux tubes électroniques
FR712381A (fr) Perfectionnements aux tubes électroniques
FR683802A (fr) Perfectionnements aux manomètres
FR786265A (fr) Perfectionnements aux générateurs à lampes électroniques
FR662814A (fr) Perfectionnements apportés aux brouettes
FR667363A (fr) Perfectionnements apportés aux radiateurs
FR662262A (fr) Perfectionnements aux radiateurs
FR665846A (fr) Perfectionnements apportés aux blaireaux
FR672762A (fr) Perfectionnements apportés aux variomètres
FR684446A (fr) Perfectionnements apportés aux surchauffeurs