GB509237A - Improvements in or relating to electric discharge devices giving visual indication of voltage - Google Patents

Improvements in or relating to electric discharge devices giving visual indication of voltage

Info

Publication number
GB509237A
GB509237A GB27440/37A GB2744037A GB509237A GB 509237 A GB509237 A GB 509237A GB 27440/37 A GB27440/37 A GB 27440/37A GB 2744037 A GB2744037 A GB 2744037A GB 509237 A GB509237 A GB 509237A
Authority
GB
United Kingdom
Prior art keywords
relating
voltage
electric discharge
visual indication
discharge devices
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
GB27440/37A
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.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Publication of GB509237A publication Critical patent/GB509237A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00—Cathode ray tubes; Electron beam tubes
    • H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/14—Magic-eye or analogous tuning indicators
GB27440/37A 1936-10-08 1937-10-08 Improvements in or relating to electric discharge devices giving visual indication of voltage Expired GB509237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE221468X 1936-10-08

Publications (1)

Publication Number Publication Date
GB509237A true GB509237A (en) 1939-07-10

Family

ID=5840175

Family Applications (1)

Application Number Title Priority Date Filing Date
GB27440/37A Expired GB509237A (en) 1936-10-08 1937-10-08 Improvements in or relating to electric discharge devices giving visual indication of voltage

Country Status (5)

Country Link
BE (1) BE423943A (enrdf_load_stackoverflow)
CH (1) CH221468A (enrdf_load_stackoverflow)
FR (1) FR827490A (enrdf_load_stackoverflow)
GB (1) GB509237A (enrdf_load_stackoverflow)
NL (1) NL53848C (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE749825C (de) * 1937-09-30 1944-12-06 Rca Corp Spannungsanzeigeroehre, insbesondere Abstimmanzeigeroehre

Also Published As

Publication number Publication date
NL53848C (enrdf_load_stackoverflow)
CH221468A (de) 1942-05-31
FR827490A (fr) 1938-04-27
BE423943A (enrdf_load_stackoverflow)

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