NL225484A - - Google Patents

Info

Publication number
NL225484A
NL225484A NL225484DA NL225484A NL 225484 A NL225484 A NL 225484A NL 225484D A NL225484D A NL 225484DA NL 225484 A NL225484 A NL 225484A
Authority
NL
Netherlands
Application number
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.)
Publication of NL225484A publication Critical patent/NL225484A/xx

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)
NL225484D 1957-03-22 NL225484A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1957T0013399 DE1242770B (de) 1957-03-22 1957-03-22 Mechanisches Frequenzfilter

Publications (1)

Publication Number Publication Date
NL225484A true NL225484A (enrdf_load_stackoverflow)

Family

ID=7547323

Family Applications (2)

Application Number Title Priority Date Filing Date
NL114040D NL114040C (enrdf_load_stackoverflow) 1957-03-22
NL225484D NL225484A (enrdf_load_stackoverflow) 1957-03-22

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL114040D NL114040C (enrdf_load_stackoverflow) 1957-03-22

Country Status (4)

Country Link
CH (1) CH358873A (enrdf_load_stackoverflow)
DE (1) DE1242770B (enrdf_load_stackoverflow)
FR (1) FR1191702A (enrdf_load_stackoverflow)
NL (2) NL225484A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1491528B1 (de) * 1965-04-20 1972-04-27 Elektronische Bauelemente Veb Mechanischer bandpass
DE2124787C2 (de) * 1971-05-19 1984-07-12 ANT Nachrichtentechnik GmbH, 7150 Backnang Mechanische Filter
FR2360212A1 (fr) * 1976-07-26 1978-02-24 Lignes Telegraph Telephon Perfectionnement au couplage pour filtres electromecaniques

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2240306A (en) * 1939-10-24 1941-04-29 Bell Telephone Labor Inc Electromechanical filter
BE470334A (enrdf_load_stackoverflow) * 1946-01-07
BE521272A (enrdf_load_stackoverflow) * 1951-07-02
GB703020A (en) * 1951-07-18 1954-01-27 John Hugh Davey Walton Improvements in or relating to frequency filters

Also Published As

Publication number Publication date
DE1242770B (de) 1967-06-22
CH358873A (de) 1961-12-15
NL114040C (enrdf_load_stackoverflow)
FR1191702A (fr) 1959-10-21

Similar Documents

Publication Publication Date Title
AT213527B (enrdf_load_stackoverflow)
BE559788A (enrdf_load_stackoverflow)
BE566846A (enrdf_load_stackoverflow)
BE556888A (enrdf_load_stackoverflow)
BE440565A (enrdf_load_stackoverflow)
BE520333A (enrdf_load_stackoverflow)
BE547036A (enrdf_load_stackoverflow)
BE551270A (enrdf_load_stackoverflow)
BE555289A (enrdf_load_stackoverflow)
BE555512A (enrdf_load_stackoverflow)
BE556117A (enrdf_load_stackoverflow)
BE556275A (enrdf_load_stackoverflow)
BE556286A (enrdf_load_stackoverflow)
BE556671A (enrdf_load_stackoverflow)
BE569201A (enrdf_load_stackoverflow)
BE557151A (enrdf_load_stackoverflow)
BE557407A (enrdf_load_stackoverflow)
BE557752A (enrdf_load_stackoverflow)
BE558075A (enrdf_load_stackoverflow)
BE558129A (enrdf_load_stackoverflow)
BE558947A (enrdf_load_stackoverflow)
BE560287A (enrdf_load_stackoverflow)
BE560467A (enrdf_load_stackoverflow)
BE561036A (enrdf_load_stackoverflow)
BE561534A (enrdf_load_stackoverflow)