IT992811B - Filtro elettromeccanico con risona tori vibranti a flessione - Google Patents

Filtro elettromeccanico con risona tori vibranti a flessione

Info

Publication number
IT992811B
IT992811B IT2748273A IT2748273A IT992811B IT 992811 B IT992811 B IT 992811B IT 2748273 A IT2748273 A IT 2748273A IT 2748273 A IT2748273 A IT 2748273A IT 992811 B IT992811 B IT 992811B
Authority
IT
Italy
Prior art keywords
electromechanical filter
flexible vibrating
vibrating resonators
resonators
flexible
Prior art date
Application number
IT2748273A
Other languages
English (en)
Inventor
S Cucchi
F Crescenzi
F Molo
Original Assignee
Telettra Lab Telefon
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 Lab Telefon filed Critical Telettra Lab Telefon
Priority to IT2748273A priority Critical patent/IT992811B/it
Priority to DE19742433874 priority patent/DE2433874C3/de
Priority to GB3121674A priority patent/GB1482112A/en
Priority to FR7425348A priority patent/FR2239811B1/fr
Priority to YU210174A priority patent/YU36321B/xx
Priority to RO7479654A priority patent/RO80736A/ro
Priority to BR638074A priority patent/BR7406380D0/pt
Priority to ES428885A priority patent/ES428885A1/es
Application granted granted Critical
Publication of IT992811B publication Critical patent/IT992811B/it

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; 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)
IT2748273A 1973-08-03 1973-08-03 Filtro elettromeccanico con risona tori vibranti a flessione IT992811B (it)

Priority Applications (8)

Application Number Priority Date Filing Date Title
IT2748273A IT992811B (it) 1973-08-03 1973-08-03 Filtro elettromeccanico con risona tori vibranti a flessione
DE19742433874 DE2433874C3 (de) 1973-08-03 1974-07-15 Elektromechanisches Filter
GB3121674A GB1482112A (en) 1973-08-03 1974-07-15 Electromechanical filter with flexurally vibrating resonators
FR7425348A FR2239811B1 (it) 1973-08-03 1974-07-22
YU210174A YU36321B (en) 1973-08-03 1974-07-24 Elektromechanical filter
RO7479654A RO80736A (ro) 1973-08-03 1974-08-02 Filtru electromecanic
BR638074A BR7406380D0 (pt) 1973-08-03 1974-08-02 Um filtro eletromecanico
ES428885A ES428885A1 (es) 1973-08-03 1974-08-02 Perfeccionamientos en filtros electromecanicos.

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
IT992811B true IT992811B (it) 1975-09-30

Family

ID=11221735

Family Applications (1)

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

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
DE2433874B2 (de) 1977-11-03
BR7406380D0 (pt) 1975-05-20
YU210174A (en) 1981-08-31
YU36321B (en) 1982-06-18
FR2239811A1 (it) 1975-02-28
DE2433874C3 (de) 1978-06-15
FR2239811B1 (it) 1978-01-20
ES428885A1 (es) 1976-09-01
RO80736A (ro) 1983-06-01
GB1482112A (en) 1977-08-03
RO80736B (ro) 1983-05-30
DE2433874A1 (de) 1975-02-13

Similar Documents

Publication Publication Date Title
IT1014659B (it) Oscillatore a rilassamento
ATA778276A (de) Piezoelektrischer resonator
IT1026896B (it) Densimetro a vibrazione di tipoperfezionato
FR2325093A1 (fr) Microresonateur piezoelectrique
FR2282746A1 (fr) Resonateur piezoelectrique
AT327294B (de) Piezoelektrische filteranordnung
IT1016908B (it) Filtro elettromeccanico a lamelle
DK144139C (da) Kredsloeb med en gyratorresonanskreds
FR2342582A1 (fr) Filtre electromecanique
IT992811B (it) Filtro elettromeccanico con risona tori vibranti a flessione
BE803990A (fr) Condensateur interdigital a resonance controlee
BE798471A (fr) Filtre a auto-nettoyage
SU494837A1 (ru) Пьезоэлектрический резонатор толщинносдвиговых колебаний
BE818700A (fr) Resonateur piezo-electrique
FR2073578A5 (fr) Modulateur de frequence a filtre numerique
IT1007095B (it) Perfezionamenti a ghigliottine
AT331862B (de) Elektromechanisches stimmgabelfilter
SE7512464L (sv) Elektromekaniskt filter
BE794180A (nl) Electromechanisch filter
IT1009356B (it) Tasto piezoelettrico
IT956636B (it) Filtri elettromeccanici a quarzo
NL7502066A (nl) Elektromechanisch filter.
SU488315A1 (ru) Пьезоэлектрический резонатор
IT1004436B (it) Filtro meccanico con almeno quattro risonatori
SU494640A1 (ru) Пьезоэлектрический вибростенд