ES172290A1 - Mejoras en o relativas a amplificadores eléctricos - Google Patents

Mejoras en o relativas a amplificadores eléctricos

Info

Publication number
ES172290A1
ES172290A1 ES172290A ES172290A ES172290A1 ES 172290 A1 ES172290 A1 ES 172290A1 ES 172290 A ES172290 A ES 172290A ES 172290 A ES172290 A ES 172290A ES 172290 A1 ES172290 A1 ES 172290A1
Authority
ES
Spain
Prior art keywords
electrical amplifiers
amplifiers
electrical
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
ES172290A
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.)
Nokia Spain SA
Original Assignee
Alcatel Espana SA
Standard Electrica SA
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 Alcatel Espana SA, Standard Electrica SA filed Critical Alcatel Espana SA
Publication of ES172290A1 publication Critical patent/ES172290A1/es
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S13/00—Systems using the reflection or reradiation of radio waves, e.g. radar systems; Analogous systems using reflection or reradiation of waves whose nature or wavelength is irrelevant or unspecified
    • G01S13/02—Systems using reflection of radio waves, e.g. primary radar systems; Analogous systems
    • G01S13/06—Systems determining position data of a target
    • G01S13/08—Systems for measuring distance only
    • G01S13/32—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated
    • G01S13/34—Systems for measuring distance only using transmission of continuous waves, whether amplitude-, frequency-, or phase-modulated, or unmodulated using transmission of continuous, frequency-modulated waves while heterodyning the received signal, or a signal derived therefrom, with a locally-generated signal related to the contemporaneously transmitted signal
    • 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
    • H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
    • H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
  • Amplifiers (AREA)
ES172290A 1944-11-28 1946-01-23 Mejoras en o relativas a amplificadores eléctricos Expired ES172290A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB23729/44A GB584475A (en) 1944-11-28 1944-11-28 Improvements in or relating to electrical amplifiers

Publications (1)

Publication Number Publication Date
ES172290A1 true ES172290A1 (es) 1946-03-01

Family

ID=10200332

Family Applications (1)

Application Number Title Priority Date Filing Date
ES172290A Expired ES172290A1 (es) 1944-11-28 1946-01-23 Mejoras en o relativas a amplificadores eléctricos

Country Status (4)

Country Link
BE (1) BE471640A (es)
ES (1) ES172290A1 (es)
FR (1) FR939202A (es)
GB (1) GB584475A (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790943A (en) * 1951-08-27 1957-04-30 Honeywell Regulator Co Multiple gain amplifier for servo control
US2860194A (en) * 1953-09-25 1958-11-11 Int Standard Electric Corp Circuit arrangement for the transmission of signals

Also Published As

Publication number Publication date
GB584475A (en) 1947-01-15
BE471640A (es)
FR939202A (fr) 1948-11-08

Similar Documents

Publication Publication Date Title
ES177017A1 (es) Mejoras en o relativas a disposiciónes para generar impulsos eléctricos
ES172290A1 (es) Mejoras en o relativas a amplificadores eléctricos
FR919842A (fr) Perfectionnements aux radiorécepteurs
ES177004A1 (es) Mejoras en o relativas a dispositivos electroacústicos
ES175004A1 (es) Mejoras en o relativas a amplificadores de energía electrónica
ES168087A1 (es) Mejoras en máquinas - herramientas
ES172612A1 (es) Mejoras en radiogoniómetros
FR910971A (fr) Porte-mines
FI22369A (fi) Dörr-dörrkarm-aggregat
ES168204A1 (es) Perfeccionamientos en acumuladores electricos
ES165087A1 (es) Perfeccionamientos en cabrestantes
ES165016A3 (es) Mejoras en cabrestantes
ES175300A1 (es) `mejoras en o relativas a instalaciones combinadas de radiotransmisor y altavoz
FR904809A (fr) Blaireau
ES175952A1 (es) Mejoras en o relativas a dispositivos selectores controlados a distancia
ES164688A1 (es) Perfeccionamientos en autoclaves
ES180662A1 (es) Mejoras en filtros electricos
FR907957A (fr) Porte-clefs
ES167583A1 (es) Perfeccionamientos en maquinas batridoras
FR937944A (fr) Amplificateur
ES166863A1 (es) Perfeccionamientos en los gasógenos
ES9874Y (es) Caja-envase
ES168073A1 (es) Perfeccionamientos en mantas electricas
ES167854A1 (es) Radiofaro
ES167756A1 (es) Paleromecanico