GB1491316A - Electromechanical filter assemblies - Google Patents

Electromechanical filter assemblies

Info

Publication number
GB1491316A
GB1491316A GB36379/75A GB3637975A GB1491316A GB 1491316 A GB1491316 A GB 1491316A GB 36379/75 A GB36379/75 A GB 36379/75A GB 3637975 A GB3637975 A GB 3637975A GB 1491316 A GB1491316 A GB 1491316A
Authority
GB
United Kingdom
Prior art keywords
filter
mechanical
base plate
depressions
electro
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
GB36379/75A
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.)
Siemens AG
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
Priority claimed from DE19742444419 external-priority patent/DE2444419C3/de
Application filed by Siemens AG filed Critical Siemens AG
Publication of GB1491316A publication Critical patent/GB1491316A/en
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)
  • Control Of Motors That Do Not Use Commutators (AREA)
GB36379/75A 1974-09-17 1975-09-04 Electromechanical filter assemblies Expired GB1491316A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19742444419 DE2444419C3 (de) 1974-09-17 Filteranordnung mit wenigstens zwei auf einer Grundplatte angeordneten elektromechanischen Filtern

Publications (1)

Publication Number Publication Date
GB1491316A true GB1491316A (en) 1977-11-09

Family

ID=5925997

Family Applications (1)

Application Number Title Priority Date Filing Date
GB36379/75A Expired GB1491316A (en) 1974-09-17 1975-09-04 Electromechanical filter assemblies

Country Status (13)

Country Link
JP (1) JPS558047B2 (de)
AU (1) AU498698B2 (de)
BE (1) BE833522A (de)
BR (1) BR7505969A (de)
CH (1) CH611090A5 (de)
DK (1) DK143530C (de)
FR (1) FR2285747A1 (de)
GB (1) GB1491316A (de)
IL (1) IL48094A (de)
IT (1) IT1042515B (de)
LU (1) LU73235A1 (de)
NL (1) NL161635C (de)
SE (1) SE409391B (de)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH491545A (de) * 1968-05-29 1970-05-31 Siemens Ag Elektromechanisches Filter
CH491544A (de) * 1968-05-29 1970-05-31 Siemens Ag Elektromechanische Filter mit wenigstens drei parallel zueinander angeordneten Biegeresonatoren

Also Published As

Publication number Publication date
AU498698B2 (en) 1979-03-22
DK143530C (da) 1982-01-11
DK143530B (da) 1981-08-31
AU8487275A (en) 1977-03-24
JPS5156157A (de) 1976-05-17
FR2285747A1 (fr) 1976-04-16
FR2285747B1 (de) 1979-03-30
SE409391B (sv) 1979-08-13
NL161635C (nl) 1980-02-15
BE833522A (fr) 1976-01-16
IL48094A (en) 1977-11-30
NL7510893A (nl) 1976-03-19
IL48094A0 (en) 1975-11-25
LU73235A1 (de) 1976-03-02
DE2444419B2 (de) 1976-10-21
JPS558047B2 (de) 1980-03-01
CH611090A5 (en) 1979-05-15
DE2444419A1 (de) 1976-04-01
BR7505969A (pt) 1976-08-03
SE7510074L (sv) 1976-03-18
IT1042515B (it) 1980-01-30
DK413075A (da) 1976-03-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee