GB1482112A - Electromechanical filter with flexurally vibrating resonators - Google Patents

Electromechanical filter with flexurally vibrating resonators

Info

Publication number
GB1482112A
GB1482112A GB3121674A GB3121674A GB1482112A GB 1482112 A GB1482112 A GB 1482112A GB 3121674 A GB3121674 A GB 3121674A GB 3121674 A GB3121674 A GB 3121674A GB 1482112 A GB1482112 A GB 1482112A
Authority
GB
United Kingdom
Prior art keywords
resonators
wire
electromechanical filter
electromechanical
wires
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
GB3121674A
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.)
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 GB1482112A publication Critical patent/GB1482112A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46Filters
    • H03H9/48Coupling means therefor
    • H03H9/50Mechanical coupling means

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB3121674A 1973-08-03 1974-07-15 Electromechanical filter with flexurally vibrating resonators Expired GB1482112A (en)

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
GB1482112A true GB1482112A (en) 1977-08-03

Family

ID=11221735

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3121674A Expired GB1482112A (en) 1973-08-03 1974-07-15 Electromechanical filter with flexurally vibrating resonators

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
ES428885A1 (es) 1976-09-01
RO80736B (ro) 1983-05-30
FR2239811A1 (it) 1975-02-28

Similar Documents

Publication Publication Date Title
JPS5390741A (en) Band pass filter
DE3881668D1 (de) Piezoelektrische vibrator-pumpe.
IT8021470A0 (it) Trasduttore di forza al risuonatore al quarzo tipo miniatura.
IT8025397A0 (it) Trasduttore piezoelettrico di tangenza a risonanza.
EP0139495A3 (en) Piezoelectric resonator force transducer
IT8019904A0 (it) Prodotto cementizio rinforzato con fibre.
DE2966051D1 (en) Piezoelectric resonator
BR7902927A (pt) Conjunto em balanco com frequencia de resonancia maximizada
AU5618880A (en) Vibrator having two imbalanced members
NO882864L (no) Piezoelektrisk transduser.
DE3564652D1 (en) Bracelet, the members of which are connected together by means of two flexible ties
NL190593B (nl) Piezo-elektrische resonator.
DE3483398D1 (de) Elektromechanisches filter mit mechanisch gekoppelten resonatoren.
NL187879B (nl) Piezo-elektrische resonator.
DE3789656D1 (de) Isolierdüse für einen Unterbrecher.
DE3484450D1 (de) Piezoelektrischer resonator.
DE3167430D1 (en) Piezoelectric resonator
HK56285A (en) Thickness-shear mode piezo-electric vibrator
DE69013569D1 (de) Schwingende Mähvorrichtung.
GB1482112A (en) Electromechanical filter with flexurally vibrating resonators
BE879590A (fr) Resonateur piezoelectrique
JPS57168297A (en) Vibrator, particularly, resonator, in sound generator
DE3854602D1 (de) Akustischer Apparat.
GB948889A (en) Improvements in or relating to electromechanical filters
GB2069232B (en) Piezoelectric resonator

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee