GB959394A - Improvements in or relating to electro-mechanical filter devices - Google Patents

Improvements in or relating to electro-mechanical filter devices

Info

Publication number
GB959394A
GB959394A GB3180960A GB3180960A GB959394A GB 959394 A GB959394 A GB 959394A GB 3180960 A GB3180960 A GB 3180960A GB 3180960 A GB3180960 A GB 3180960A GB 959394 A GB959394 A GB 959394A
Authority
GB
United Kingdom
Prior art keywords
transducers
filter
coupling rods
stiffness
connecting members
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
GB3180960A
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 GB959394A publication Critical patent/GB959394A/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 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)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
GB3180960A 1959-09-18 1960-09-15 Improvements in or relating to electro-mechanical filter devices Expired GB959394A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL243514 1959-09-18

Publications (1)

Publication Number Publication Date
GB959394A true GB959394A (en) 1964-06-03

Family

ID=19751933

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3180960A Expired GB959394A (en) 1959-09-18 1960-09-15 Improvements in or relating to electro-mechanical filter devices

Country Status (3)

Country Link
DE (1) DE1616675B1 (enrdf_load_stackoverflow)
GB (1) GB959394A (enrdf_load_stackoverflow)
NL (1) NL243514A (enrdf_load_stackoverflow)

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE628177C (de) * 1936-03-31 Anna Gueldenzoph Vorrichtung zum Toeten von Fischen
US2501488A (en) * 1946-07-19 1950-03-21 Zenith Radio Corp Magnetostrictively driven mechanical wave filter
US2578452A (en) * 1949-05-14 1951-12-11 Rca Corp Mechanical filter
US2617882A (en) * 1950-05-29 1952-11-11 Rca Corp Maximal flatness filter
US2762985A (en) * 1952-09-20 1956-09-11 Rca Corp Mechanically resonant filter devices
US2800633A (en) * 1953-06-25 1957-07-23 Rca Corp Termination of mechanical vibratory systems
US2810888A (en) * 1954-08-03 1957-10-22 Rca Corp Electromechanical filter
US2753529A (en) * 1955-07-28 1956-07-03 Rca Corp Electromechanical resonator

Also Published As

Publication number Publication date
DE1616675B1 (de) 1970-06-25
NL243514A (enrdf_load_stackoverflow)

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