NL46734C - - Google Patents

Info

Publication number
NL46734C
NL46734C NL46734DA NL46734C NL 46734 C NL46734 C NL 46734C NL 46734D A NL46734D A NL 46734DA NL 46734 C NL46734 C NL 46734C
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 NL46734C publication Critical patent/NL46734C/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/12—Electrically-operated arrangements for indicating correct tuning
    • H03J3/14—Visual indication, e.g. magic eye
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/02—Electron-emitting electrodes; Cathodes
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
NL46734D 1934-07-27 NL46734C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US737167A US1994726A (en) 1934-07-27 1934-07-27 Tuning indicator tube

Publications (1)

Publication Number Publication Date
NL46734C true NL46734C (xx)

Family

ID=24962843

Family Applications (1)

Application Number Title Priority Date Filing Date
NL46734D NL46734C (xx) 1934-07-27

Country Status (2)

Country Link
US (1) US1994726A (xx)
NL (1) NL46734C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH291029A (de) * 1949-09-09 1953-05-31 Siemens Ag Elektronenröhre mit Leuchtschirm, insbesondere zur Abstimmanzeige.
US2640093A (en) * 1949-12-22 1953-05-26 Rca Corp High voltage measuring device
US2600063A (en) * 1951-02-20 1952-06-10 Leon S Maloof Visual electron flow indicator
US2648795A (en) * 1951-08-09 1953-08-11 Lee Electronic Labs Inc Visual electron flow indicator
US2736834A (en) * 1951-08-10 1956-02-28 Hartford Nat Bank & Trust Co Electron discharge tube comprising a luminescent screen
US2802128A (en) * 1952-06-21 1957-08-06 Int Standard Electric Corp Tuning indicator valve
US2820169A (en) * 1955-03-14 1958-01-14 Rca Corp Combination beam plate and outer shield
US4902933A (en) * 1988-09-20 1990-02-20 General Electric Company High efficacy discharge lamp having large anodes

Also Published As

Publication number Publication date
US1994726A (en) 1935-03-19

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