FR853988A - Improvements to electrical or radio systems incorporating band filters, in particular short-wave radio systems - Google Patents

Improvements to electrical or radio systems incorporating band filters, in particular short-wave radio systems

Info

Publication number
FR853988A
FR853988A FR853988DA FR853988A FR 853988 A FR853988 A FR 853988A FR 853988D A FR853988D A FR 853988DA FR 853988 A FR853988 A FR 853988A
Authority
FR
France
Prior art keywords
radio systems
electrical
band filters
particular short
wave
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.)
LOEWE RADIO Co Ltd
Original Assignee
LOEWE RADIO 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 LOEWE RADIO Co Ltd filed Critical LOEWE RADIO Co Ltd
Application granted granted Critical
Publication of FR853988A publication Critical patent/FR853988A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/42—Modifications of amplifiers to extend the bandwidth
    • H03F1/48—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers
    • H03F1/50—Modifications of amplifiers to extend the bandwidth of aperiodic amplifiers with tubes only

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
FR853988D 1938-11-30 1938-11-30 Improvements to electrical or radio systems incorporating band filters, in particular short-wave radio systems Expired FR853988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR853988T 1938-11-30

Publications (1)

Publication Number Publication Date
FR853988A true FR853988A (en) 1940-04-02

Family

ID=9327406

Family Applications (1)

Application Number Title Priority Date Filing Date
FR853988D Expired FR853988A (en) 1938-11-30 1938-11-30 Improvements to electrical or radio systems incorporating band filters, in particular short-wave radio systems

Country Status (1)

Country Link
FR (1) FR853988A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579789A (en) * 1950-04-07 1951-12-25 Avco Mfg Corp Tuner for television receivers
US2652487A (en) * 1950-07-21 1953-09-15 Avco Mfg Corp Constant band width coupling circuit for television receiver tuners
DE1105483B (en) * 1952-11-27 1961-04-27 Telefunken Patent Circuit for the additive mixing of electromagnetic oscillations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2579789A (en) * 1950-04-07 1951-12-25 Avco Mfg Corp Tuner for television receivers
US2652487A (en) * 1950-07-21 1953-09-15 Avco Mfg Corp Constant band width coupling circuit for television receiver tuners
DE1105483B (en) * 1952-11-27 1961-04-27 Telefunken Patent Circuit for the additive mixing of electromagnetic oscillations

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