GB307028A - Improvements relating to thermionic valves - Google Patents

Improvements relating to thermionic valves

Info

Publication number
GB307028A
GB307028A GB6633/29A GB663329A GB307028A GB 307028 A GB307028 A GB 307028A GB 6633/29 A GB6633/29 A GB 6633/29A GB 663329 A GB663329 A GB 663329A GB 307028 A GB307028 A GB 307028A
Authority
GB
United Kingdom
Prior art keywords
capsule
anode
metal
valve
container
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
GB6633/29A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB307028A publication Critical patent/GB307028A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/186—Getter supports

Landscapes

  • Solid Thermionic Cathode (AREA)
GB6633/29A 1928-03-01 1929-03-01 Improvements relating to thermionic valves Expired GB307028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE307028X 1928-03-01

Publications (1)

Publication Number Publication Date
GB307028A true GB307028A (en) 1930-06-02

Family

ID=6121307

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6633/29A Expired GB307028A (en) 1928-03-01 1929-03-01 Improvements relating to thermionic valves

Country Status (4)

Country Link
BE (1) BE358547A (it)
FR (1) FR670640A (it)
GB (1) GB307028A (it)
NL (1) NL30154C (it)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE739330C (de) * 1936-01-26 1943-09-21 Siemens Ag Anordnung zum Gettern von elektrischen Entladungsgefaessen mit metallischer Gefaesswand

Also Published As

Publication number Publication date
FR670640A (fr) 1929-12-02
NL30154C (it)
BE358547A (it)

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