GB356674A - - Google Patents

Info

Publication number
GB356674A
GB356674A GB7136/30A GB713630A GB356674A GB 356674 A GB356674 A GB 356674A GB 7136/30 A GB7136/30 A GB 7136/30A GB 713630 A GB713630 A GB 713630A GB 356674 A GB356674 A GB 356674A
Authority
GB
United Kingdom
Prior art keywords
march
cathode
sõchischestrasse
wilmersdorf
assignees
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
GB7136/30A
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.)
Edison Swan Electric Co Ltd
Original Assignee
Edison Swan Electric Co Ltd
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 Edison Swan Electric Co Ltd filed Critical Edison Swan Electric Co Ltd
Publication of GB356674A publication Critical patent/GB356674A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J3/00—Details of electron-optical or ion-optical arrangements or of ion traps common to two or more basic types of discharge tubes or lamps
    • H01J3/02—Electron guns
    • H01J3/025—Electron guns using a discharge in a gas or a vapour as electron source
    • 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
    • H01J19/68—Specified gas introduced into the tube at low pressure, e.g. for reducing or influencing space charge

Landscapes

  • Lasers (AREA)
GB7136/30A 1929-03-04 1930-03-04 Expired GB356674A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE356674T 1929-03-04

Publications (1)

Publication Number Publication Date
GB356674A true GB356674A (enrdf_load_stackoverflow) 1931-09-10

Family

ID=31895294

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7136/30A Expired GB356674A (enrdf_load_stackoverflow) 1929-03-04 1930-03-04

Country Status (1)

Country Link
GB (1) GB356674A (enrdf_load_stackoverflow)

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