FR53342E - Assembly intended to amplify or transform the frequency of electrical oscillations - Google Patents

Assembly intended to amplify or transform the frequency of electrical oscillations

Info

Publication number
FR53342E
FR53342E FR53342DA FR53342E FR 53342 E FR53342 E FR 53342E FR 53342D A FR53342D A FR 53342DA FR 53342 E FR53342 E FR 53342E
Authority
FR
France
Prior art keywords
amplify
transform
frequency
electrical oscillations
assembly intended
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
Other languages
French (fr)
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.)
Koninklijke Philips NV
Original Assignee
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR53342E publication Critical patent/FR53342E/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
    • H03F1/28—Modifications of amplifiers to reduce influence of noise generated by amplifying elements in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
FR53342D 1942-04-16 1944-02-21 Assembly intended to amplify or transform the frequency of electrical oscillations Expired FR53342E (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL245848X 1942-04-16
NL2486076X 1943-02-23

Publications (1)

Publication Number Publication Date
FR53342E true FR53342E (en) 1945-10-16

Family

ID=32232797

Family Applications (2)

Application Number Title Priority Date Filing Date
FR894004D Expired FR894004A (en) 1942-04-16 1943-04-14 Assembly intended to amplify or transform the frequency of electrical oscillations
FR53342D Expired FR53342E (en) 1942-04-16 1944-02-21 Assembly intended to amplify or transform the frequency of electrical oscillations

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR894004D Expired FR894004A (en) 1942-04-16 1943-04-14 Assembly intended to amplify or transform the frequency of electrical oscillations

Country Status (6)

Country Link
US (1) US2486076A (en)
BE (1) BE450187A (en)
CH (1) CH245848A (en)
FR (2) FR894004A (en)
GB (1) GB613681A (en)
NL (1) NL60694C (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL70859C (en) * 1947-08-14
BE484503A (en) * 1947-08-25
US2662939A (en) * 1949-04-02 1953-12-15 Nowak Karl High selectivity amplifier
US2659776A (en) * 1949-05-13 1953-11-17 Nowak Karl Selective receiving and amplifying circuit
US2662172A (en) * 1950-02-21 1953-12-08 Sperry Prod Inc Oscillator cancellation frequency converter
US2713118A (en) * 1951-05-04 1955-07-12 Robert W Hart Communication system
US2963660A (en) * 1954-04-02 1960-12-06 Northrop Corp Signal frequency converter
DE1081514B (en) * 1957-02-05 1960-05-12 Deutsche Bundespost Broadband amplifier stage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB509398A (en) * 1937-12-14 1939-07-14 James Robinson Improvements in retroactive valve apparatus
US2227604A (en) * 1938-01-29 1941-01-07 Rca Corp Ultra high frequency device
US2256067A (en) * 1938-05-27 1941-09-16 Rca Corp Receiver selectivity control

Also Published As

Publication number Publication date
BE450187A (en)
US2486076A (en) 1949-10-25
FR894004A (en) 1944-12-12
NL60694C (en)
GB613681A (en) 1948-12-01
CH245848A (en) 1946-11-30

Similar Documents

Publication Publication Date Title
FR53342E (en) Assembly intended to amplify or transform the frequency of electrical oscillations
FR898262A (en) Amplifier assembly
FR896849A (en) Assembly intended for the frequency modulation of an electric oscillation
FR932218A (en) High frequency impedance transformer
FR923062A (en) Electrical oscillation amplifier assembly
FR892018A (en) high frequency amplification stage
FR905803A (en) Electrical assembly intended for the modulation of electrical oscillations
FR891911A (en) Electrical assembly intended for the amplification of high or very high frequency oscillations
FR885234A (en) Assembly intended for the amplification or production of very high frequency electrical oscillations
FR906839A (en) Assembly intended for the transmission of electrical oscillations
FR898221A (en) Assembly intended for the frequency modulation of electrical oscillations
FR47599E (en) Assembly intended for the amplification and / or frequency transformation of electrical oscillations
FR52233E (en) Electrical oscillation amplifier assembly
FR885143A (en) Improvements to the equipment of insulating supports
FR878415A (en) Electrical assembly intended for the transmission of high frequency electrical oscillations
FR856581A (en) Assembly intended for the amplification of electric oscillations or the transformation of their frequencies
FR890195A (en) Improvements to the sets of directed antennas
FR930671A (en) Improvements in the assembly of electrical equipment
FR902590A (en) Assembly intended for the transmission of ultra-high frequency electrical oscillations
FR899539A (en) Assembly for the transmission of electrical oscillations
FR901750A (en) Assembly intended for the transmission of high frequency electrical oscillations
FR899931A (en) Assembly intended to transform oscillations modulated in frequency into oscillations modulated in amplitude
FR903367A (en) Assembly intended for the suppression of one or more disturbing oscillations and for the amplification of other oscillations of different frequencies
FR884547A (en) Electrical assembly intended for amplifying or changing the frequency of high-frequency electrical oscillations
FR900394A (en) Assembly intended for the detection of oscillations modulated in frequency or in phase