IT1076971B - Filtro elettromeccanico,specie per impiego nelle telecomunicazioni - Google Patents

Filtro elettromeccanico,specie per impiego nelle telecomunicazioni

Info

Publication number
IT1076971B
IT1076971B IT20551/77A IT2055177A IT1076971B IT 1076971 B IT1076971 B IT 1076971B IT 20551/77 A IT20551/77 A IT 20551/77A IT 2055177 A IT2055177 A IT 2055177A IT 1076971 B IT1076971 B IT 1076971B
Authority
IT
Italy
Prior art keywords
telecommunications
species
electromechanical filter
electromechanical
filter
Prior art date
Application number
IT20551/77A
Other languages
English (en)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of IT1076971B publication Critical patent/IT1076971B/it

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)
IT20551/77A 1976-02-26 1977-02-22 Filtro elettromeccanico,specie per impiego nelle telecomunicazioni IT1076971B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2607879A DE2607879C3 (de) 1976-02-26 1976-02-26 Elektromechanisches Filter, bei welchem mehrere, parallelachsig angeordnete, stabförmig ausgebildete mechanische Biegeresonatoren vorgesehen sind

Publications (1)

Publication Number Publication Date
IT1076971B true IT1076971B (it) 1985-04-27

Family

ID=5970959

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20551/77A IT1076971B (it) 1976-02-26 1977-02-22 Filtro elettromeccanico,specie per impiego nelle telecomunicazioni

Country Status (20)

Country Link
US (1) US4124829A (it)
JP (1) JPS52110548A (it)
AR (1) AR210190A1 (it)
AT (1) AT350635B (it)
AU (1) AU499941B2 (it)
BE (1) BE851837A (it)
BR (1) BR7701150A (it)
CH (1) CH600681A5 (it)
DE (1) DE2607879C3 (it)
DK (1) DK145280C (it)
FR (1) FR2342582A1 (it)
GB (1) GB1527954A (it)
GR (1) GR72087B (it)
IE (1) IE44465B1 (it)
IL (1) IL51546A (it)
IT (1) IT1076971B (it)
LU (1) LU76500A1 (it)
NL (1) NL169006C (it)
SE (1) SE408842B (it)
YU (1) YU37250B (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2729839C3 (de) * 1977-07-01 1981-03-26 Siemens AG, 1000 Berlin und 8000 München Trägerfrequentes Nachrichtenübertragungssystem mit Vormodulation
US4309680A (en) * 1978-07-07 1982-01-05 Nippon Bearing Company Limited Electro-mechanical filter including mechanical resonator
US4314216A (en) * 1978-11-13 1982-02-02 Fujitsu Limited Mechanical filter
JPS5575331A (en) * 1978-12-04 1980-06-06 Fujitsu Ltd Polarized mechanical filter
FR2444283A1 (fr) * 1978-12-14 1980-07-11 Onera (Off Nat Aerospatiale) Perfectionnements aux dispositifs vibrants pour le traitement d'un faisceau optique
DE3121229A1 (de) * 1981-05-27 1982-12-23 Siemens AG, 1000 Berlin und 8000 München Vorrichtung zum verschweissen der koppeldraehte bei einem elektromechanischen filter
DE3518803A1 (de) * 1985-05-24 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Verfahren zum frequenzabgleich mechanischer torsionsresonatoren
US5874674A (en) * 1988-08-12 1999-02-23 Murata Manufacturing Co., Ltd. Vibrator including piezoelectric electrodes or detectors arranged to be non-parallel and non-perpendicular to coriolis force direction and vibratory gyroscope using the same
US5493166A (en) * 1988-08-12 1996-02-20 Murata Manufacturing Co., Ltd. Vibrator and vibrating gyroscope using the same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1442680A (fr) * 1965-10-07 1966-06-17 Werk Fuer Bauelemente Der Nach Filtre passe-bande mécanique
DE1541975C3 (de) * 1967-05-12 1975-03-06 Siemens Ag, 1000 Berlin U. 8000 Muenchen Elektromechanisches Bandfilter
JPS4999249A (it) * 1973-01-26 1974-09-19
JPS5639568B2 (it) * 1974-04-22 1981-09-14
JPS50142141A (it) * 1974-05-07 1975-11-15

Also Published As

Publication number Publication date
GR72087B (it) 1983-09-12
AU2267977A (en) 1978-08-31
DK30477A (da) 1977-08-27
LU76500A1 (it) 1978-07-10
IL51546A0 (en) 1977-04-29
YU37250B (en) 1984-08-31
FR2342582A1 (fr) 1977-09-23
IE44465B1 (en) 1981-12-02
DE2607879C3 (de) 1981-06-19
ATA962076A (de) 1978-11-15
AU499941B2 (en) 1979-05-03
CH600681A5 (it) 1978-06-30
IE44465L (en) 1977-08-26
NL7702097A (nl) 1977-08-30
YU311976A (en) 1983-04-27
DK145280B (da) 1982-10-18
FR2342582B1 (it) 1981-01-30
US4124829A (en) 1978-11-07
NL169006B (nl) 1981-12-16
SE7701197L (sv) 1977-08-27
NL169006C (nl) 1982-05-17
AT350635B (de) 1979-06-11
DK145280C (da) 1983-03-14
BR7701150A (pt) 1977-10-18
IL51546A (en) 1979-10-31
JPS6160612B2 (it) 1986-12-22
JPS52110548A (en) 1977-09-16
DE2607879B2 (de) 1980-07-31
BE851837A (it) 1977-08-25
DE2607879A1 (de) 1977-09-01
AR210190A1 (es) 1977-06-30
GB1527954A (en) 1978-10-11
SE408842B (sv) 1979-07-09

Similar Documents

Publication Publication Date Title
FR2353327A1 (fr) Moyen de filtrage
NO152239C (no) Vaatfremstilt filtermatte.
NL7902524A (nl) Filter.
ES240870Y (es) Esterilla filtro.
BE888500A (fr) Filtre retrolavable,
NL7703681A (nl) Filter.
MX143376A (es) Mejoras en filtro de telecomunicacion
NL7900064A (nl) Filterinrichting.
NO772350L (no) Filterelement.
NL7703135A (nl) Spuitgietfiltereenheid.
IT1076971B (it) Filtro elettromeccanico,specie per impiego nelle telecomunicazioni
NL7707054A (nl) Digitaal filter.
NL7806921A (nl) Filterblok.
NL7710544A (nl) Filterelement.
NL192480B (nl) Kamfilterketen.
IT1111764B (it) Impianto,specie per telefonia
NL7704693A (nl) Elektrisch filternetwerk.
BE888506A (fr) Filtre,
NL7714198A (nl) Transversaal filter.
NL7701162A (nl) Filterelement.
NL7606687A (nl) Filtermat.
NL7900972A (nl) Elektromechanisch filter.
NL7707801A (nl) Terugspoelfilter.
IT7924059A0 (it) Filtro elettromeccanico.
IT8020256A0 (it) Custodia di filtro per acquari.