GB495732A - Improvements in or relating to cathode ray tuning indicators - Google Patents

Improvements in or relating to cathode ray tuning indicators

Info

Publication number
GB495732A
GB495732A GB23298/37A GB2329837A GB495732A GB 495732 A GB495732 A GB 495732A GB 23298/37 A GB23298/37 A GB 23298/37A GB 2329837 A GB2329837 A GB 2329837A GB 495732 A GB495732 A GB 495732A
Authority
GB
United Kingdom
Prior art keywords
anode
cathode
ring
conical
coaxial
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
GB23298/37A
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.)
HERBERT SIDNEY SMITH
Mi O Valve Co Ltd
Original Assignee
HERBERT SIDNEY SMITH
Mi O Valve 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 to BE429825D priority Critical patent/BE429825A/xx
Application filed by HERBERT SIDNEY SMITH, Mi O Valve Co Ltd filed Critical HERBERT SIDNEY SMITH
Priority to GB23298/37A priority patent/GB495732A/en
Priority to FR842452D priority patent/FR842452A/fr
Publication of GB495732A publication Critical patent/GB495732A/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)
GB23298/37A 1937-08-25 1937-08-25 Improvements in or relating to cathode ray tuning indicators Expired GB495732A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BE429825D BE429825A (enrdf_load_stackoverflow) 1937-08-25
GB23298/37A GB495732A (en) 1937-08-25 1937-08-25 Improvements in or relating to cathode ray tuning indicators
FR842452D FR842452A (fr) 1937-08-25 1938-08-22 Indicateur d'accord pour radio-récepteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23298/37A GB495732A (en) 1937-08-25 1937-08-25 Improvements in or relating to cathode ray tuning indicators

Publications (1)

Publication Number Publication Date
GB495732A true GB495732A (en) 1938-11-18

Family

ID=10193366

Family Applications (1)

Application Number Title Priority Date Filing Date
GB23298/37A Expired GB495732A (en) 1937-08-25 1937-08-25 Improvements in or relating to cathode ray tuning indicators

Country Status (3)

Country Link
BE (1) BE429825A (enrdf_load_stackoverflow)
FR (1) FR842452A (enrdf_load_stackoverflow)
GB (1) GB495732A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465041A (en) * 1942-12-12 1949-03-22 Svenska Elektronror Ab Electron discharge device
US2486814A (en) * 1944-10-07 1949-11-01 Gen Electric Electric discharge device of the indicator type
DE975723C (de) * 1951-12-06 1962-06-28 Telefunken Patent Schaltung zur Abstimmungsanzeige
US3065368A (en) * 1957-12-27 1962-11-20 Westinghouse Electric Corp Cathode ray device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2465041A (en) * 1942-12-12 1949-03-22 Svenska Elektronror Ab Electron discharge device
US2486814A (en) * 1944-10-07 1949-11-01 Gen Electric Electric discharge device of the indicator type
DE975723C (de) * 1951-12-06 1962-06-28 Telefunken Patent Schaltung zur Abstimmungsanzeige
US3065368A (en) * 1957-12-27 1962-11-20 Westinghouse Electric Corp Cathode ray device

Also Published As

Publication number Publication date
FR842452A (fr) 1939-06-13
BE429825A (enrdf_load_stackoverflow)

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