GB959393A - Improvements in or relating to electro-mechanical filter systems - Google Patents

Improvements in or relating to electro-mechanical filter systems

Info

Publication number
GB959393A
GB959393A GB3181060A GB3181060A GB959393A GB 959393 A GB959393 A GB 959393A GB 3181060 A GB3181060 A GB 3181060A GB 3181060 A GB3181060 A GB 3181060A GB 959393 A GB959393 A GB 959393A
Authority
GB
United Kingdom
Prior art keywords
resonators
transducers
attenuation
wave
sept
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
GB3181060A
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.)
Philips Electrical Industries Ltd
Original Assignee
Philips Electrical Industries Ltd
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 Philips Electrical Industries Ltd filed Critical Philips Electrical Industries Ltd
Publication of GB959393A publication Critical patent/GB959393A/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)
GB3181060A 1959-09-18 1960-09-15 Improvements in or relating to electro-mechanical filter systems Expired GB959393A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL243515 1959-09-18

Publications (1)

Publication Number Publication Date
GB959393A true GB959393A (en) 1964-06-03

Family

ID=19751934

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3181060A Expired GB959393A (en) 1959-09-18 1960-09-15 Improvements in or relating to electro-mechanical filter systems

Country Status (4)

Country Link
CH (1) CH392719A (ja)
DE (1) DE1219139B (ja)
GB (1) GB959393A (ja)
NL (1) NL243515A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290788A1 (fr) * 1974-11-08 1976-06-04 Siemens Ag Filtre pour oscillations electriques

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1113648A (fr) * 1954-11-22 1956-04-03 Collins Radio Co Dispositif pour modifier la forme de la courbe de réponse d'un filtre électromécanique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2290788A1 (fr) * 1974-11-08 1976-06-04 Siemens Ag Filtre pour oscillations electriques

Also Published As

Publication number Publication date
DE1219139B (de) 1966-06-16
NL243515A (ja)
CH392719A (de) 1965-05-31

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