GB519263A - Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage - Google Patents

Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage

Info

Publication number
GB519263A
GB519263A GB29357/38A GB2935738A GB519263A GB 519263 A GB519263 A GB 519263A GB 29357/38 A GB29357/38 A GB 29357/38A GB 2935738 A GB2935738 A GB 2935738A GB 519263 A GB519263 A GB 519263A
Authority
GB
United Kingdom
Prior art keywords
voltage
diaphragm
cathode
electrodes
relating
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
GB29357/38A
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of GB519263A publication Critical patent/GB519263A/en
Expired legal-status Critical Current

Links

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

Landscapes

  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB29357/38A 1937-10-13 1938-10-10 Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage Expired GB519263A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL205234X 1937-10-13

Publications (1)

Publication Number Publication Date
GB519263A true GB519263A (en) 1940-03-20

Family

ID=19778514

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29357/38A Expired GB519263A (en) 1937-10-13 1938-10-10 Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage

Country Status (5)

Country Link
US (1) US2225479A (enEXAMPLES)
CH (1) CH205234A (enEXAMPLES)
FR (1) FR844672A (enEXAMPLES)
GB (1) GB519263A (enEXAMPLES)
NL (1) NL50269C (enEXAMPLES)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR937437A (fr) * 1946-12-24 1948-08-17 Csf Diviseur de tension pour microscope électronique à grossissement variable
FR937296A (fr) * 1947-06-21 1948-08-12 Csf Perfectionnements aux dispositifs de mise au point, pour microscope électronique
DE1089485B (de) * 1952-07-16 1960-09-22 Standard Elektrik Lorenz Ag Spannungs- und Spannungsvergleichs-anzeigeroehre
US2922073A (en) * 1955-03-22 1960-01-19 Kendon Electronics Inc Color reproduction systems of the cathode ray tube type
US2859378A (en) * 1956-05-21 1958-11-04 Gen Electric Electrode system for cathode ray tubes
GB1205565A (en) * 1966-09-28 1970-09-16 Rank Organisation Ltd Improvements in or relating to electron guns

Also Published As

Publication number Publication date
NL50269C (enEXAMPLES)
CH205234A (de) 1939-06-15
FR844672A (fr) 1939-07-31
US2225479A (en) 1940-12-17

Similar Documents

Publication Publication Date Title
GB556046A (en) Improvements relating to electron guns such as are used in cathode ray tubes
GB978223A (en) Voltage indicator tube having two indicator systems
GB527209A (en) Braun tube arrangement
GB519263A (en) Improvements in or relating to devices comprising an electric discharge tube giving a visual indication of voltage
GB484900A (en) Improvements in or relating to electric discharge tubes
GB709909A (en) Improvements in or relating to an electron tube with fluorescent screen, particularly a tuning indicator tube
GB505751A (en) Improvements in or relating to cathode ray tubes
GB501058A (en) Improvements in or relating to cathode ray tubes
GB525601A (en) An improved circuit arrangement comprising a cathode-ray tube
GB534627A (en) Improvements in or relating to electron focussing systems
GB501437A (en) Improvements in or relating to electron focussing systems
GB495707A (en) Improvements in or relating to focussing systems for use in electric discharge tubes
GB743181A (en) Improvements in or relating to cathode ray tubes
US2051189A (en) Tuning indicator tube
GB454760A (en) Improvements in and relating to electric amplifying tubes
GB440196A (en) Improvements in and relating to electric discharge devices
GB469418A (en) Improvements in or relating to cathode ray tubes
GB404455A (en) A vacuum electric discharge tube containing rarefied gas or vapour and for the production, amplification, or reception of high frequency oscillations
GB514318A (en) Improvements in or relating to visual voltage indicators of the electron discharge type
GB455084A (en) Improvements in or relating to cathode ray tubes and circuits therefor
GB440636A (en) Improvements in electric discharge tubes
GB443864A (en) Improvements in or relating to cathode ray tubes
GB825898A (en) Improvements in or relating to electric circuit arrangements incorporating cathode ray tubes
GB560490A (en) Improvements in or relating to electric discharge tubes
GB478200A (en) Improvements in or relating to cathode ray tubes