GB534576A - Improvements in or relating to electron discharge apparatus - Google Patents

Improvements in or relating to electron discharge apparatus

Info

Publication number
GB534576A
GB534576A GB2542839A GB2542839A GB534576A GB 534576 A GB534576 A GB 534576A GB 2542839 A GB2542839 A GB 2542839A GB 2542839 A GB2542839 A GB 2542839A GB 534576 A GB534576 A GB 534576A
Authority
GB
United Kingdom
Prior art keywords
transmitter
potentiometer
valve
auxiliary cathode
circuit
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
GB2542839A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 BE440985D priority Critical patent/BE440985A/xx
Application filed by Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Priority to GB2542839A priority patent/GB534576A/en
Priority to FR868378D priority patent/FR868378A/fr
Publication of GB534576A publication Critical patent/GB534576A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes

Landscapes

  • Selective Calling Equipment (AREA)
GB2542839A 1939-09-08 1939-09-08 Improvements in or relating to electron discharge apparatus Expired GB534576A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE440985D BE440985A (forum.php) 1939-09-08
GB2542839A GB534576A (en) 1939-09-08 1939-09-08 Improvements in or relating to electron discharge apparatus
FR868378D FR868378A (fr) 1939-09-08 1940-12-26 Circuits de lampes à décharge électronique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2542839A GB534576A (en) 1939-09-08 1939-09-08 Improvements in or relating to electron discharge apparatus

Publications (1)

Publication Number Publication Date
GB534576A true GB534576A (en) 1941-03-11

Family

ID=10227507

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2542839A Expired GB534576A (en) 1939-09-08 1939-09-08 Improvements in or relating to electron discharge apparatus

Country Status (3)

Country Link
BE (1) BE440985A (forum.php)
FR (1) FR868378A (forum.php)
GB (1) GB534576A (forum.php)

Also Published As

Publication number Publication date
FR868378A (fr) 1941-12-29
BE440985A (forum.php)

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