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GB509379A - Improvements in frequency-changing circuits employing electron-discharge tubes - Google Patents

Improvements in frequency-changing circuits employing electron-discharge tubes

Info

Publication number
GB509379A
GB509379A GB30974/38A GB3097438A GB509379A GB 509379 A GB509379 A GB 509379A GB 30974/38 A GB30974/38 A GB 30974/38A GB 3097438 A GB3097438 A GB 3097438A GB 509379 A GB509379 A GB 509379A
Authority
GB
United Kingdom
Prior art keywords
frequency
discharge tubes
circuits employing
changing circuits
employing electron
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
GB30974/38A
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.)
Mullard Radio Valve Co Ltd
Original Assignee
Mullard Radio 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
Application filed by Mullard Radio Valve Co Ltd filed Critical Mullard Radio Valve Co Ltd
Publication of GB509379A publication Critical patent/GB509379A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J43/00—Secondary-emission tubes; Electron-multiplier tubes
    • H01J43/02—Tubes in which one or a few electrodes are secondary-electron emitting electrodes
    • H01J43/025—Circuits therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
GB30974/38A 1938-10-26 1938-10-26 Improvements in frequency-changing circuits employing electron-discharge tubes Expired GB509379A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB221125X 1938-10-26

Publications (1)

Publication Number Publication Date
GB509379A true GB509379A (en) 1939-07-14

Family

ID=10174084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30974/38A Expired GB509379A (en) 1938-10-26 1938-10-26 Improvements in frequency-changing circuits employing electron-discharge tubes

Country Status (3)

Country Link
CH (1) CH221125A (en)
FR (1) FR861111A (en)
GB (1) GB509379A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1015947B (en) * 1951-10-23 1957-09-19 Telefunken Gmbh Amplifier tubes with high electronic input resistance
US2949578A (en) * 1957-01-29 1960-08-16 Jan A Narud Millimicrosecond pulse circuits

Also Published As

Publication number Publication date
CH221125A (en) 1942-05-15
FR861111A (en) 1941-02-01

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