GB481790A - Improvements in or relating to electron discharge devices - Google Patents

Improvements in or relating to electron discharge devices

Info

Publication number
GB481790A
GB481790A GB16780/36A GB1678036A GB481790A GB 481790 A GB481790 A GB 481790A GB 16780/36 A GB16780/36 A GB 16780/36A GB 1678036 A GB1678036 A GB 1678036A GB 481790 A GB481790 A GB 481790A
Authority
GB
United Kingdom
Prior art keywords
anode
control
grid
cathode
surrounded
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
GB16780/36A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi Co Ltd
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
Priority claimed from US28665A external-priority patent/US2051188A/en
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB481790A publication Critical patent/GB481790A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • 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

  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
  • Amplifiers (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
GB16780/36A 1935-06-27 1936-06-16 Improvements in or relating to electron discharge devices Expired GB481790A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US28665A US2051188A (en) 1935-06-27 1935-06-27 Tuning indicator tube
US80474A US2130162A (en) 1935-06-27 1936-05-19 Tuning indicator tube

Publications (1)

Publication Number Publication Date
GB481790A true GB481790A (en) 1938-03-16

Family

ID=26703956

Family Applications (2)

Application Number Title Priority Date Filing Date
GB16780/36A Expired GB481790A (en) 1935-06-27 1936-06-16 Improvements in or relating to electron discharge devices
GB16781/36A Expired GB481791A (en) 1935-06-27 1936-06-16 Improvements in or relating to electron discharge devices

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB16781/36A Expired GB481791A (en) 1935-06-27 1936-06-16 Improvements in or relating to electron discharge devices

Country Status (6)

Country Link
US (1) US2130162A (en:Method)
CH (1) CH203784A (en:Method)
DE (1) DE692964C (en:Method)
FR (1) FR807964A (en:Method)
GB (2) GB481790A (en:Method)
NL (2) NL46087C (en:Method)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE950945C (de) * 1940-07-23 1956-10-18 Lorenz C Ag Spannungsanzeigeroehre, insbesondere Abstimmanzeigeroehre fuer Rundfunkgeraete, mit einem Anzeigesystem und einem weiteren, von ihm unabhaengigen Elektrodensystem fuer andere Zwecke
US2436393A (en) * 1944-12-29 1948-02-24 Bell Telephone Labor Inc Cathode-ray tube with discharge to deflecting plates
US2611875A (en) * 1948-10-01 1952-09-23 Cons Eng Corp Electron source
CH291029A (de) * 1949-09-09 1953-05-31 Siemens Ag Elektronenröhre mit Leuchtschirm, insbesondere zur Abstimmanzeige.
US2600063A (en) * 1951-02-20 1952-06-10 Leon S Maloof Visual electron flow indicator
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
DE976143C (de) * 1952-01-31 1963-03-28 Standard Elek K Lorenz Ag Spannungsanzeigeroehre
BE517504A (en:Method) * 1952-02-08
DE941306C (de) * 1952-03-20 1956-04-05 Philips Patentverwaltung Elektronenstrahl-Abstimm-Anzeigeroehre
DE918949C (de) * 1952-04-30 1954-10-07 Lorenz C Ag Spannungsanzeigeroehre, bestehend aus Kathode, Blende und Leuchtschirm mit gleichem Durchgriff laengs der Kathodenachse
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
US3174072A (en) * 1961-03-16 1965-03-16 Motorola Inc Recording level indicator and circuit

Also Published As

Publication number Publication date
NL46087C (en:Method)
US2130162A (en) 1938-09-13
CH203784A (de) 1939-03-31
GB481791A (en) 1938-03-16
DE692964C (de) 1940-06-29
FR807964A (fr) 1937-01-26
NL57947C (en:Method)

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