GB609970A - Improvements in circuit-arrangements for linearly varying a thermionic reactance by means of a periodic control voltage - Google Patents

Improvements in circuit-arrangements for linearly varying a thermionic reactance by means of a periodic control voltage

Info

Publication number
GB609970A
GB609970A GB9419/46A GB941946A GB609970A GB 609970 A GB609970 A GB 609970A GB 9419/46 A GB9419/46 A GB 9419/46A GB 941946 A GB941946 A GB 941946A GB 609970 A GB609970 A GB 609970A
Authority
GB
United Kingdom
Prior art keywords
valve
circuit
grid
reactance
voltage
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
GB9419/46A
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.)
Philips Lamps Ltd
Koninklijke Philips NV
Original Assignee
Philips Lamps Ltd
Philips Gloeilampenfabrieken NV
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 Philips Lamps Ltd, Philips Gloeilampenfabrieken NV filed Critical Philips Lamps Ltd
Publication of GB609970A publication Critical patent/GB609970A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/10—Angle modulation by means of variable impedance
    • H03C3/12—Angle modulation by means of variable impedance by means of a variable reactive element
    • H03C3/14—Angle modulation by means of variable impedance by means of a variable reactive element simulated by circuit comprising active element with at least three electrodes, e.g. reactance-tube circuit

Landscapes

  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • X-Ray Techniques (AREA)
GB9419/46A 1941-09-17 1946-03-27 Improvements in circuit-arrangements for linearly varying a thermionic reactance by means of a periodic control voltage Expired GB609970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL609970X 1941-09-17

Publications (1)

Publication Number Publication Date
GB609970A true GB609970A (en) 1948-10-08

Family

ID=19788068

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9419/46A Expired GB609970A (en) 1941-09-17 1946-03-27 Improvements in circuit-arrangements for linearly varying a thermionic reactance by means of a periodic control voltage

Country Status (5)

Country Link
US (1) US2530611A (enrdf_load_html_response)
DE (1) DE862319C (enrdf_load_html_response)
FR (1) FR885945A (enrdf_load_html_response)
GB (1) GB609970A (enrdf_load_html_response)
NL (1) NL67073C (enrdf_load_html_response)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279660A (en) * 1937-04-13 1942-04-14 Rca Corp Wave length modulation system
US2341243A (en) * 1940-07-18 1944-02-08 Rca Corp Wave length modulation
US2301907A (en) * 1941-07-24 1942-11-10 Collins Radio Co Frequency modulation distortion correction system
US2382436A (en) * 1943-08-18 1945-08-14 Bell Telephone Labor Inc Reactance tube circuit

Also Published As

Publication number Publication date
FR885945A (fr) 1943-09-29
NL67073C (enrdf_load_html_response)
DE862319C (de) 1953-01-08
US2530611A (en) 1950-11-21

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