GB506390A - Improvements in or relating to cathode ray indicator tubes - Google Patents

Improvements in or relating to cathode ray indicator tubes

Info

Publication number
GB506390A
GB506390A GB32394/37A GB3239437A GB506390A GB 506390 A GB506390 A GB 506390A GB 32394/37 A GB32394/37 A GB 32394/37A GB 3239437 A GB3239437 A GB 3239437A GB 506390 A GB506390 A GB 506390A
Authority
GB
United Kingdom
Prior art keywords
anode
cathode
electrodes
grid
amplification factor
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
GB32394/37A
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
Application filed by Marconis Wireless Telegraph Co Ltd, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB506390A publication Critical patent/GB506390A/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

  • Measurement Of Radiation (AREA)
  • Amplifiers (AREA)
GB32394/37A 1936-11-24 1937-11-24 Improvements in or relating to cathode ray indicator tubes Expired GB506390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US112462A US2159802A (en) 1936-11-24 1936-11-24 Tuning indicator circuit

Publications (1)

Publication Number Publication Date
GB506390A true GB506390A (en) 1939-05-24

Family

ID=22344021

Family Applications (2)

Application Number Title Priority Date Filing Date
GB32394/37A Expired GB506390A (en) 1936-11-24 1937-11-24 Improvements in or relating to cathode ray indicator tubes
GB31159/38A Expired GB520784A (en) 1936-11-24 1938-10-27 Improvements in electric indicator circuits employing indicators of the cathode ray type

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB31159/38A Expired GB520784A (en) 1936-11-24 1938-10-27 Improvements in electric indicator circuits employing indicators of the cathode ray type

Country Status (4)

Country Link
US (1) US2159802A (en:Method)
CH (1) CH201428A (en:Method)
GB (2) GB506390A (en:Method)
NL (1) NL49397C (en:Method)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2468082A (en) * 1942-09-12 1949-04-26 Int Standard Electric Corp Thermistor circuit compensating for supply voltage fluctuations

Also Published As

Publication number Publication date
CH201428A (de) 1938-11-30
NL49397C (en:Method)
US2159802A (en) 1939-05-23
GB520784A (en) 1940-05-03

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