GB777713A - Circuit arrangement and means for the optical indication of the tuning condition of radio receiver circuits - Google Patents

Circuit arrangement and means for the optical indication of the tuning condition of radio receiver circuits

Info

Publication number
GB777713A
GB777713A GB2750/54A GB275054A GB777713A GB 777713 A GB777713 A GB 777713A GB 2750/54 A GB2750/54 A GB 2750/54A GB 275054 A GB275054 A GB 275054A GB 777713 A GB777713 A GB 777713A
Authority
GB
United Kingdom
Prior art keywords
grid
grids
area
tube
illuminated
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
GB2750/54A
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB777713A publication Critical patent/GB777713A/en
Expired legal-status Critical Current

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
    • 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

Landscapes

  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB2750/54A 1953-02-03 1954-01-29 Circuit arrangement and means for the optical indication of the tuning condition of radio receiver circuits Expired GB777713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEL14589D DE931602C (de) 1953-02-03 1953-02-03 Anordnung zur optischen Anzeige der Abstimmung von Empfangs-schaltungen fuer frequenzmodulierte Schwingungen

Publications (1)

Publication Number Publication Date
GB777713A true GB777713A (en) 1957-06-26

Family

ID=25948123

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2750/54A Expired GB777713A (en) 1953-02-03 1954-01-29 Circuit arrangement and means for the optical indication of the tuning condition of radio receiver circuits

Country Status (3)

Country Link
DE (1) DE931602C (de)
FR (1) FR66176E (de)
GB (1) GB777713A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1036403B (de) * 1956-07-07 1958-08-14 Egyesuelt Izzolampa Abstimmanzeigeroehre

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE724219C (de) * 1938-01-20 1942-08-20 Telefunken Gmbh Abstimmanzeigevorrichtung fuer Empfaenger

Also Published As

Publication number Publication date
FR66176E (fr) 1956-05-17
DE931602C (de) 1955-08-11

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