GB312100A - Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like - Google Patents

Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like

Info

Publication number
GB312100A
GB312100A GB169828A GB169828A GB312100A GB 312100 A GB312100 A GB 312100A GB 169828 A GB169828 A GB 169828A GB 169828 A GB169828 A GB 169828A GB 312100 A GB312100 A GB 312100A
Authority
GB
United Kingdom
Prior art keywords
film
electrode
relating
incandescent lamps
discharge tubes
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
GB169828A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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
Priority to BE357454D priority Critical patent/BE357454A/xx
Application filed by British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Priority to GB169828A priority patent/GB312100A/en
Priority to FR667535D priority patent/FR667535A/fr
Priority to DEA56510D priority patent/DE558947C/de
Publication of GB312100A publication Critical patent/GB312100A/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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J7/00—Automatic frequency control; Automatic scanning over a band of frequencies
    • H03J7/18—Automatic scanning over a band of frequencies

Landscapes

  • Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
  • Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
GB169828A 1928-01-18 1928-01-18 Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like Expired GB312100A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
BE357454D BE357454A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) 1928-01-18
GB169828A GB312100A (en) 1928-01-18 1928-01-18 Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like
FR667535D FR667535A (fr) 1928-01-18 1929-01-17 Perfectionnements aux appareils à vide, tels que les lampes électriques à incandescence et les tubes à décharge électronique
DEA56510D DE558947C (de) 1928-01-18 1929-01-19 Verfahren zur Herstellung einer Ieitenden Verbindung zwischen der auf der Innenwand eines Vakuumgefaesses niedergeschlagenen Getterschicht und einem aeusseren Stromkreis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB169828A GB312100A (en) 1928-01-18 1928-01-18 Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like

Publications (1)

Publication Number Publication Date
GB312100A true GB312100A (en) 1929-05-21

Family

ID=9726464

Family Applications (1)

Application Number Title Priority Date Filing Date
GB169828A Expired GB312100A (en) 1928-01-18 1928-01-18 Improvements in and relating to vacuum devices such as electric incandescent lamps, electron discharge tubes and the like

Country Status (4)

Country Link
BE (1) BE357454A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
DE (1) DE558947C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
FR (1) FR667535A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)
GB (1) GB312100A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092755A (en) * 1958-04-11 1963-06-04 David M Goodman High power vacuum tubes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092755A (en) * 1958-04-11 1963-06-04 David M Goodman High power vacuum tubes

Also Published As

Publication number Publication date
FR667535A (fr) 1929-10-17
DE558947C (de) 1932-09-14
BE357454A (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html)

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