NL54681C - - Google Patents

Info

Publication number
NL54681C
NL54681C NL54681DA NL54681C NL 54681 C NL54681 C NL 54681C NL 54681D A NL54681D A NL 54681DA NL 54681 C NL54681 C NL 54681C
Authority
NL
Netherlands
Application number
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.)
Publication of NL54681C publication Critical patent/NL54681C/xx

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
NL54681D 1938-05-27 NL54681C (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US210335A US2167842A (en) 1938-05-27 1938-05-27 Electron ray voltage indicator

Publications (1)

Publication Number Publication Date
NL54681C true NL54681C (de)

Family

ID=22782498

Family Applications (1)

Application Number Title Priority Date Filing Date
NL54681D NL54681C (de) 1938-05-27

Country Status (3)

Country Link
US (1) US2167842A (de)
BE (1) BE434519A (de)
NL (1) NL54681C (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2449291A (en) * 1940-02-26 1948-09-14 Wilcox Gay Corp Recording apparatus volume level indicator
BE501568A (de) * 1940-07-23
US2455437A (en) * 1943-11-13 1948-12-07 Distillation Products Inc Ionization gauge circuits
US2457575A (en) * 1944-05-23 1948-12-28 Rca Corp Voltage indicator
US2784371A (en) * 1954-12-27 1957-03-05 Bell Aircraft Corp Fault tester for electron tubes
DE1059562B (de) * 1956-11-03 1959-06-18 Telefunken Gmbh Schaltung zur Spannungsanzeige mit Hilfe einer Anzeigeroehre

Also Published As

Publication number Publication date
US2167842A (en) 1939-08-01
BE434519A (de)

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