ES176104A1 - Mejoras en o relativas a filtros de ondas eléctricas - Google Patents

Mejoras en o relativas a filtros de ondas eléctricas

Info

Publication number
ES176104A1
ES176104A1 ES176104A ES176104A ES176104A1 ES 176104 A1 ES176104 A1 ES 176104A1 ES 176104 A ES176104 A ES 176104A ES 176104 A ES176104 A ES 176104A ES 176104 A1 ES176104 A1 ES 176104A1
Authority
ES
Spain
Prior art keywords
relative
electric wave
wave filters
filters
electric
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
ES176104A
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 ES176104A1 publication Critical patent/ES176104A1/es
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/54Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/545Filters comprising resonators of piezoelectric or electrostrictive material including active elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
ES176104A 1945-01-01 1946-12-14 Mejoras en o relativas a filtros de ondas eléctricas Expired ES176104A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40/45A GB594711A (en) 1945-01-01 1945-01-01 Improvements in or relating to electric wave filters

Publications (1)

Publication Number Publication Date
ES176104A1 true ES176104A1 (es) 1947-01-01

Family

ID=1589873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES176104A Expired ES176104A1 (es) 1945-01-01 1946-12-14 Mejoras en o relativas a filtros de ondas eléctricas

Country Status (2)

Country Link
ES (1) ES176104A1 (es)
GB (1) GB594711A (es)

Also Published As

Publication number Publication date
GB594711A (en) 1947-11-18

Similar Documents

Publication Publication Date Title
ES182178A1 (es) Mejoras en radiorreceptores
ES180663A1 (es) Mejoras en radiorreceptores
ES173965A1 (es) Mejoras en filtros eliminadores de frecuencia
ES176104A1 (es) Mejoras en o relativas a filtros de ondas eléctricas
FR938464A (fr) Perfectionnements aux oscillateurs électriques
FR950760A (fr) Filtres électriques
FR920987A (fr) Perfectionnements dans les régulateurs de fréquence
ES177012A1 (es) Mejoras en o relativas a mecrofónos
ES175494A1 (es) Mejoras en la construcción de filtros de aluvión
ES177013A1 (es) Mejoras en o relativas a microfónos
ES170689A1 (es) Mejoras en o relativas a condensadores eléctricos
FR934787A (fr) Perfectionnements aux condensateurs électriques
FR952721A (fr) Perfectionnements aux condensateurs électriques
FR933171A (fr) Perfectionnements apportés aux condensateurs électriques
FR939308A (fr) Perfectionnements aux condensateurs électriques
GB607169A (en) Improvements relating to books
AU137604B2 (en) Improvements in or relating to electric wave filter systems
FR994902A (fr) Perfectionnements aux filtres électriques
FR927713A (fr) Perfectionnements aux filtres électriques
ES171744A1 (es) Mejoras en o relativas a micrófonos
FR998563A (fr) Filtre perfectionné
AU1982145A (en) Improvements in or relating to electric wave filter systems
ES175000A1 (es) Mejoras en o relativas a aparatos contadores eléctricos
CA432193A (en) Electric wave filter
ES170733A1 (es) Mejoras en o relativas a reles electromagnéticos