NL41801C - - Google Patents

Info

Publication number
NL41801C
NL41801C NL41801DA NL41801C NL 41801 C NL41801 C NL 41801C NL 41801D A NL41801D A NL 41801DA NL 41801 C NL41801 C NL 41801C
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 NL41801C publication Critical patent/NL41801C/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J31/00Cathode ray tubes; Electron beam tubes
    • H01J31/08Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
    • H01J31/10Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
    • H01J31/12Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes with luminescent screen
    • H01J31/14Magic-eye or analogous tuning indicators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02Electron-emitting electrodes; Cathodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00Discharge tubes and lamps
    • H01J2893/0001Electrodes and electrode systems suitable for discharge tubes or lamps
NL41801D 1934-07-25 NL41801C (enrdf_load_html_response)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US736833A US1994733A (en) 1934-07-25 1934-07-25 Tuning indicator tube

Publications (1)

Publication Number Publication Date
NL41801C true NL41801C (enrdf_load_html_response)

Family

ID=24961472

Family Applications (1)

Application Number Title Priority Date Filing Date
NL41801D NL41801C (enrdf_load_html_response) 1934-07-25

Country Status (3)

Country Link
US (1) US1994733A (enrdf_load_html_response)
DE (2) DE715565C (enrdf_load_html_response)
NL (1) NL41801C (enrdf_load_html_response)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE874345C (de) * 1940-04-11 1953-04-23 Telefunken Gmbh Abstimmungsanzeigeroehre
DE971861C (de) * 1944-11-05 1959-04-09 Interessengemeinschaft Fuer Ru Kathodenstrahlroehre zur Anzeige von Messspannungen oder der Richtigkeit der Abstimmung bei Rundfunkempfaengern
DE950873C (de) * 1951-03-08 1956-10-18 Lorenz C Ag Vakuumroehre zur Messung und Anzeige elektrischer Spannungen, bei der auf einem Leuchtschirm ein Leuchtsektor erzeugt wird
US2648795A (en) * 1951-08-09 1953-08-11 Lee Electronic Labs Inc Visual electron flow indicator
DE1061910B (de) * 1952-03-20 1959-07-23 Standard Elektrik Lorenz Ag Spannungs- und Spannungsvergleichs-anzeigeroehre
DE1089485B (de) * 1952-07-16 1960-09-22 Standard Elektrik Lorenz Ag Spannungs- und Spannungsvergleichs-anzeigeroehre
DE1029490B (de) * 1952-10-01 1958-05-08 Telefunken Gmbh Anzeigeroehre mit zwei unabhaengig voneinander steuerbaren, parallel zur Kathode liegenden Ablenkelektroden oder Elektrodensystemen
DE1026885B (de) * 1957-04-20 1958-03-27 Philips Patentverwaltung Elektronenroehre zur optischen Spannungsanzeige, insbesondere Abstimmanzeigeroehre
DE1045556B (de) * 1957-05-31 1958-12-04 Standard Elektrik Lorenz Ag Abstimmanzeigeroehre
NL99123C (enrdf_load_html_response) * 1957-10-04
US5006762A (en) * 1990-04-09 1991-04-09 Gte Products Corporation Negative glow fluorescent lamp having discharge barrier

Also Published As

Publication number Publication date
DE715768C (de) 1942-01-07
DE715565C (de) 1942-01-02
US1994733A (en) 1935-03-19

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