BE447791A - - Google Patents

Info

Publication number
BE447791A
BE447791A BE447791DA BE447791A BE 447791 A BE447791 A BE 447791A BE 447791D A BE447791D A BE 447791DA BE 447791 A BE447791 A BE 447791A
Authority
BE
Belgium
Prior art keywords
emi
line
point
amplifier
lamp
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE447791A publication Critical patent/BE447791A/fr

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/54—Amplifiers using transit-time effect in tubes or semiconductor devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Filters And Equalizers (AREA)
BE447791D 1941-11-27 BE447791A (OSRAM)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE236498X 1941-11-27

Publications (1)

Publication Number Publication Date
BE447791A true BE447791A (OSRAM)

Family

ID=5902151

Family Applications (1)

Application Number Title Priority Date Filing Date
BE447791D BE447791A (OSRAM) 1941-11-27

Country Status (3)

Country Link
BE (1) BE447791A (OSRAM)
CH (1) CH236498A (OSRAM)
FR (1) FR887069A (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2639335A (en) * 1950-06-23 1953-05-19 Nat Union Radio Corp Ultrahigh-frequency amplifier

Also Published As

Publication number Publication date
FR887069A (fr) 1943-11-03
CH236498A (de) 1945-02-15

Similar Documents

Publication Publication Date Title
GB487708A (en) Improvements in or relating to aerial and feeder systems
GB464443A (en) Improvements in or relating to aerial systems
GB592942A (en) Antenna construction
BE447791A (OSRAM)
US2187014A (en) Antenna transformer
GB436012A (en) Improvements in or relating to high frequency transmission systems
US1895071A (en) Dynamic loud speaker unit
GB581972A (en) Improvements in or relating to concentric line impedance transformers
GB462911A (en) Improvements in and relating to feeders and the like for electric currents of high frequency
US3437947A (en) Signal amplifier having grounded-base stage for a cable terminating impedance
US3458846A (en) Reactance-free reversely folded resistive shunt in coaxial line
US1027494A (en) Telephone-receiver.
US1639727A (en) Aerial
SU76555A3 (ru) Устройство дл соединени концентрического фидера с двум возбуждаемыми в противоположных фазах симметричными концентрическими лини ми
GB630010A (en) Centre fed antenna
US1579605A (en) Radio amplifying receiver
USD59840S (en) Design for an attachment-plug or connector
BE449657A (OSRAM)
CH99628A (fr) Installation téléphonique comprenant un dispositif amplificateur des courants devant être transmis sur une ligne interurbaine.
GB274576A (en) Improvements in and relating to sound amplifying devices for use with telephone receivers
GB469245A (en) Improvements in or relating to wireless aerial systems
USD115449S (en) Design for a signal device
GB653876A (en) Improvements in and relating to short-wave aerials
US1977125A (en) Transmission of electrical impulses by radio
USD67608S (en) Design for a loud-speaking telephone receiver