NL54681C - - Google Patents

Info

Publication number: NL54681C
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.)

1938-05-27

Publication of NL54681C publication Critical patent/NL54681C/xx

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 (enrdf_load_stackoverflow)

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 (enrdf_load_stackoverflow)

Family

ID=22782498

Family Applications (1)

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

Country Status (3)

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

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
NL89130C (enrdf_load_stackoverflow) *	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

0
- NL NL54681D patent/NL54681C/xx active
- BE BE434519D patent/BE434519A/fr unknown
1938
- 1938-05-27 US US210335A patent/US2167842A/en not_active Expired - Lifetime

Also Published As

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

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