GB513859A - Improvements in or relating to visual voltage indicators - Google Patents

Improvements in or relating to visual voltage indicators

Info

Publication number
GB513859A
GB513859A GB11938/38A GB1193838A GB513859A GB 513859 A GB513859 A GB 513859A GB 11938/38 A GB11938/38 A GB 11938/38A GB 1193838 A GB1193838 A GB 1193838A GB 513859 A GB513859 A GB 513859A
Authority
GB
United Kingdom
Prior art keywords
target
increase
control electrode
indicator
potential
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
GB11938/38A
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.)
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 GB513859A publication Critical patent/GB513859A/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

Landscapes

  • Amplifiers (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
GB11938/38A 1937-04-21 1938-04-21 Improvements in or relating to visual voltage indicators Expired GB513859A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US138108A US2135571A (en) 1937-04-21 1937-04-21 Electron ray tube indicator circuit

Publications (1)

Publication Number Publication Date
GB513859A true GB513859A (en) 1939-10-24

Family

ID=22480461

Family Applications (1)

Application Number Title Priority Date Filing Date
GB11938/38A Expired GB513859A (en) 1937-04-21 1938-04-21 Improvements in or relating to visual voltage indicators

Country Status (6)

Country Link
US (1) US2135571A (de)
CH (1) CH206046A (de)
DE (1) DE691718C (de)
FR (1) FR836564A (de)
GB (1) GB513859A (de)
NL (1) NL50144C (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE468765A (de) * 1945-10-29
US2604531A (en) * 1946-12-21 1952-07-22 Wurlitzer Co Impulse remote control system

Also Published As

Publication number Publication date
DE691718C (de) 1940-06-04
CH206046A (de) 1939-07-15
FR836564A (fr) 1939-01-20
US2135571A (en) 1938-11-08
NL50144C (de)

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