ES428885A1 - Perfeccionamientos en filtros electromecanicos. - Google Patents

Perfeccionamientos en filtros electromecanicos.

Info

Publication number
ES428885A1
ES428885A1 ES428885A ES428885A ES428885A1 ES 428885 A1 ES428885 A1 ES 428885A1 ES 428885 A ES428885 A ES 428885A ES 428885 A ES428885 A ES 428885A ES 428885 A1 ES428885 A1 ES 428885A1
Authority
ES
Spain
Prior art keywords
resonators
electromechanical filter
vibrating resonators
flexurally vibrating
coupling wire
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
ES428885A
Other languages
English (en)
Spanish (es)
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.)
Telettra Laboratori di Telefonia Elettronica e Radio SpA
Original Assignee
Telettra Laboratori di Telefonia Elettronica e Radio SpA
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 Telettra Laboratori di Telefonia Elettronica e Radio SpA filed Critical Telettra Laboratori di Telefonia Elettronica e Radio SpA
Publication of ES428885A1 publication Critical patent/ES428885A1/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
    • H03H9/48—Coupling means therefor
    • H03H9/50—Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
ES428885A 1973-08-03 1974-08-02 Perfeccionamientos en filtros electromecanicos. Expired ES428885A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2748273A IT992811B (it) 1973-08-03 1973-08-03 Filtro elettromeccanico con risona tori vibranti a flessione

Publications (1)

Publication Number Publication Date
ES428885A1 true ES428885A1 (es) 1976-09-01

Family

ID=11221735

Family Applications (1)

Application Number Title Priority Date Filing Date
ES428885A Expired ES428885A1 (es) 1973-08-03 1974-08-02 Perfeccionamientos en filtros electromecanicos.

Country Status (8)

Country Link
BR (1) BR7406380D0 (it)
DE (1) DE2433874C3 (it)
ES (1) ES428885A1 (it)
FR (1) FR2239811B1 (it)
GB (1) GB1482112A (it)
IT (1) IT992811B (it)
RO (1) RO80736A (it)
YU (1) YU36321B (it)

Also Published As

Publication number Publication date
BR7406380D0 (pt) 1975-05-20
DE2433874B2 (de) 1977-11-03
DE2433874C3 (de) 1978-06-15
YU210174A (en) 1981-08-31
RO80736A (ro) 1983-06-01
DE2433874A1 (de) 1975-02-13
YU36321B (en) 1982-06-18
IT992811B (it) 1975-09-30
FR2239811B1 (it) 1978-01-20
RO80736B (ro) 1983-05-30
FR2239811A1 (it) 1975-02-28
GB1482112A (en) 1977-08-03

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