FR597125A - Lamp from t. s. f. - Google Patents

Lamp from t. s. f.

Info

Publication number
FR597125A
FR597125A FR597125DA FR597125A FR 597125 A FR597125 A FR 597125A FR 597125D A FR597125D A FR 597125DA FR 597125 A FR597125 A FR 597125A
Authority
FR
France
Prior art keywords
lamp
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)
Inventor
Jacques-Antoine-Mari Hawadier
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.)
FR DE LAMPES A INCANDESCENCE L
Original Assignee
FR DE LAMPES A INCANDESCENCE L
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 FR DE LAMPES A INCANDESCENCE L filed Critical FR DE LAMPES A INCANDESCENCE L
Application granted granted Critical
Publication of FR597125A publication Critical patent/FR597125A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/20—Cathodes heated indirectly by an electric current; Cathodes heated by electron or ion bombardment
FR597125D 1924-08-02 1924-08-02 Lamp from t. s. f. Expired FR597125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR597125T 1924-08-02

Publications (1)

Publication Number Publication Date
FR597125A true FR597125A (en) 1925-11-13

Family

ID=8968056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR597125D Expired FR597125A (en) 1924-08-02 1924-08-02 Lamp from t. s. f.

Country Status (4)

Country Link
US (1) US1666010A (en)
FR (1) FR597125A (en)
GB (1) GB237919A (en)
NL (1) NL16615C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE738989C (en) * 1933-10-31 1943-09-08 Opta Radio Ag Indirectly heated cathode for amplifier tubes made by the metal vapor process

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3046444A (en) * 1959-04-28 1962-07-24 Raytheon Co Magnetrons
DE1130934B (en) * 1959-10-02 1962-06-07 Philips Nv Indirectly heated cathode with low heating current output

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE738989C (en) * 1933-10-31 1943-09-08 Opta Radio Ag Indirectly heated cathode for amplifier tubes made by the metal vapor process

Also Published As

Publication number Publication date
GB237919A (en) 1926-06-03
US1666010A (en) 1928-04-10
NL16615C (en)

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