DE1242770B - Mechanisches Frequenzfilter - Google Patents

Mechanisches Frequenzfilter

Info

Publication number
DE1242770B
DE1242770B DE1957T0013399 DET0013399A DE1242770B DE 1242770 B DE1242770 B DE 1242770B DE 1957T0013399 DE1957T0013399 DE 1957T0013399 DE T0013399 A DET0013399 A DE T0013399A DE 1242770 B DE1242770 B DE 1242770B
Authority
DE
Germany
Prior art keywords
coupling
mechanical
resonance
excited
elements
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.)
Pending
Application number
DE1957T0013399
Other languages
German (de)
English (en)
Inventor
Dipl-Ing Ernst Kettel
Horst Ohnsorge
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.)
Telefunken Patentverwertungs GmbH
Original Assignee
Telefunken Patentverwertungs GmbH
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 to NL225484D priority Critical patent/NL225484A/xx
Priority to NL114040D priority patent/NL114040C/xx
Application filed by Telefunken Patentverwertungs GmbH filed Critical Telefunken Patentverwertungs GmbH
Priority to DE1957T0013399 priority patent/DE1242770B/de
Priority to CH358873D priority patent/CH358873A/de
Priority to FR1191702D priority patent/FR1191702A/fr
Publication of DE1242770B publication Critical patent/DE1242770B/de
Pending 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)
DE1957T0013399 1957-03-22 1957-03-22 Mechanisches Frequenzfilter Pending DE1242770B (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
NL225484D NL225484A (pt) 1957-03-22
NL114040D NL114040C (pt) 1957-03-22
DE1957T0013399 DE1242770B (de) 1957-03-22 1957-03-22 Mechanisches Frequenzfilter
CH358873D CH358873A (de) 1957-03-22 1958-02-12 Mechanisches Frequenzfilter
FR1191702D FR1191702A (fr) 1957-03-22 1958-02-19 Filtre mécanique de fréquence

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
DE1242770B true DE1242770B (de) 1967-06-22

Family

ID=7547323

Family Applications (1)

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

Country Status (4)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124787A1 (de) * 1971-05-19 1972-11-30 Licentia Gmbh Mechanischer Filter

Families Citing this family (2)

* 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
FR2360212A1 (fr) * 1976-07-26 1978-02-24 Lignes Telegraph Telephon Perfectionnement au couplage pour filtres electromecaniques

Citations (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
CH248955A (de) * 1946-01-07 1947-05-31 Hasler Ag Elektromechanisches Bandfilter.
GB703020A (en) * 1951-07-18 1954-01-27 John Hugh Davey Walton Improvements in or relating to frequency filters
DE969549C (de) * 1951-07-02 1958-06-19 Philips Nv Torsionsschwingungen ausfuehrender elektromechanischer Vibrator

Patent Citations (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
CH248955A (de) * 1946-01-07 1947-05-31 Hasler Ag Elektromechanisches Bandfilter.
DE969549C (de) * 1951-07-02 1958-06-19 Philips Nv Torsionsschwingungen ausfuehrender elektromechanischer Vibrator
GB703020A (en) * 1951-07-18 1954-01-27 John Hugh Davey Walton Improvements in or relating to frequency filters

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2124787A1 (de) * 1971-05-19 1972-11-30 Licentia Gmbh Mechanischer Filter

Also Published As

Publication number Publication date
FR1191702A (fr) 1959-10-21
NL114040C (pt)
CH358873A (de) 1961-12-15
NL225484A (pt)

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