ES173965A1 - Mejoras en filtros eliminadores de frecuencia - Google Patents

Mejoras en filtros eliminadores de frecuencia

Info

Publication number
ES173965A1
ES173965A1 ES173965A ES173965A ES173965A1 ES 173965 A1 ES173965 A1 ES 173965A1 ES 173965 A ES173965 A ES 173965A ES 173965 A ES173965 A ES 173965A ES 173965 A1 ES173965 A1 ES 173965A1
Authority
ES
Spain
Prior art keywords
frequency eliminating
eliminating filters
filters
frequency
eliminating
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
ES173965A
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 ES173965A1 publication Critical patent/ES173965A1/es
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
ES173965A 1945-06-18 1946-06-15 Mejoras en filtros eliminadores de frecuencia Expired ES173965A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US599983A US2524781A (en) 1945-06-18 1945-06-18 Filter

Publications (1)

Publication Number Publication Date
ES173965A1 true ES173965A1 (es) 1946-07-16

Family

ID=24401907

Family Applications (1)

Application Number Title Priority Date Filing Date
ES173965A Expired ES173965A1 (es) 1945-06-18 1946-06-15 Mejoras en filtros eliminadores de frecuencia

Country Status (2)

Country Link
US (1) US2524781A (es)
ES (1) ES173965A1 (es)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3097264A (en) * 1957-05-21 1963-07-09 Gen Electric Branching filter
US2969512A (en) * 1960-02-17 1961-01-24 Clevite Corp Piezoelectric ceramic resonators
US3170120A (en) * 1960-09-23 1965-02-16 Garold K Jensen Active comb filter

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1759952A (en) * 1926-03-01 1930-05-27 American Telephone & Telegraph Electrical transmission system
US1890543A (en) * 1930-04-17 1932-12-13 American Telephone & Telegraph Current-suppressor
US2075526A (en) * 1934-02-28 1937-03-30 Rca Corp Radio signal receiving system
GB509040A (en) * 1937-10-06 1939-07-06 James Robinson Improvements in electrical frequency selective circuits
GB538946A (en) * 1939-12-13 1941-08-22 Marconi Wireless Telegraph Co Improvements in electric filter circuits
US2373431A (en) * 1943-03-30 1945-04-10 Bell Telephone Labor Inc Electric wave filter

Also Published As

Publication number Publication date
US2524781A (en) 1950-10-10

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