GB189135A - Improvements in and relating to electron discharge devices and methods of operating same - Google Patents

Improvements in and relating to electron discharge devices and methods of operating same

Info

Publication number
GB189135A
GB189135A GB31252/22A GB3125222A GB189135A GB 189135 A GB189135 A GB 189135A GB 31252/22 A GB31252/22 A GB 31252/22A GB 3125222 A GB3125222 A GB 3125222A GB 189135 A GB189135 A GB 189135A
Authority
GB
United Kingdom
Prior art keywords
valve
cathode
frequency
relating
methods
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
GB31252/22A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston 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 British Thomson Houston Co Ltd filed Critical British Thomson Houston Co Ltd
Publication of GB189135A publication Critical patent/GB189135A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means

Landscapes

  • Amplifiers (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)

Abstract

189,135. British Thomson - Houston Co., Ltd., (Assignees of Hull, A. W.). Nov. 15, 1921, [Convention date]. Frequency, changing.- In a two electrode thermionic valve for use as a frequency doubler and amplifier, one of the electrodes is made of helical form, and is adapted to carry a current of sufficient magnitude to produce a magnetic field parallel with the axis of the cathode capable of suppressing the discharge between the electrodes. A magnetic field due to an external winding may be superposed on that due to the electrode. The cathode 7 is heated by the alternating or variable current to be amplified, and the anode 6 is connected with the cathode through a battery 11 and the primary of a transformer 26, the secondary of which is connected with the cathode of a second valve 27. The primary may be shunted by a variable condenser 28. Each valve acts as a frequency-doubler, so that the frequency in the output circuit 31 of the valve 27 will be four times that of the input circuit 20 of the valve 25. Specification 182,516, [Class 37, Electricity, Measuring &c.], is referred to.
GB31252/22A 1921-11-15 1922-11-15 Improvements in and relating to electron discharge devices and methods of operating same Expired GB189135A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US189135XA 1921-11-15 1921-11-15

Publications (1)

Publication Number Publication Date
GB189135A true GB189135A (en) 1924-03-17

Family

ID=21790402

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31252/22A Expired GB189135A (en) 1921-11-15 1922-11-15 Improvements in and relating to electron discharge devices and methods of operating same

Country Status (1)

Country Link
GB (1) GB189135A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819389A (en) * 1944-03-30 1958-01-07 Frank J Kaehni High frequency detector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2819389A (en) * 1944-03-30 1958-01-07 Frank J Kaehni High frequency detector

Similar Documents

Publication Publication Date Title
GB189135A (en) Improvements in and relating to electron discharge devices and methods of operating same
US1988294A (en) Electric translating circuit
GB443189A (en) Improvements in and relating to electric converting apparatus
GB499280A (en) Improvements in and relating to electric valve circuits
GB423832A (en) Ultra-short wave generator
GB537175A (en) Improvements in and relating to cathode pay apparatus
US1673173A (en) Crystal-calibrator apparatus
GB262115A (en) Improvements in thermionic valve generators and circuit arrangements therefor
GB415546A (en) Improvements in and relating to electric valve circuits
GB606004A (en) Improvements in push-pull amplifying circuits
GB515271A (en) Circuit arrangements and thermionic valves for amplifying electrical oscillations
GB222595A (en) Improvements in or relating to regenerative circuits as used in wireless apparatus and the like
US1525827A (en) Production of alternating currents
US1732031A (en) Arrangement for audio frequency amplification
GB448072A (en) Improvements in or relating to magnetron tube circuit arrangements
US1950399A (en) Relaxation circuit oscillator
GB407934A (en) Improvements in or connected with the operation of thermionic valves
GB513656A (en) Improvements in or relating to electrical oscillation generators
GB191038A (en) Improvements in and relating to electric current amplifiers
GB223625A (en) Thermionic valve circuits
GB185752A (en) Improvements in and relating to electron discharge apparatus and circuit arrangements employing same
GB189125A (en) Improvements in electron discharge devices and methods of operating same
GB421248A (en) Improvements in and relating to systems employing electric discharge devices
GB313229A (en) Improvements in or relating to the amplification of electrical oscillations
GB440146A (en) Improvements in and relating to thermionic valves