GB355754A - Improvements in mechanical resonators for the filtration of electromagnetic wave frequencies - Google Patents

Improvements in mechanical resonators for the filtration of electromagnetic wave frequencies

Info

Publication number
GB355754A
GB355754A GB5508/30A GB550830A GB355754A GB 355754 A GB355754 A GB 355754A GB 5508/30 A GB5508/30 A GB 5508/30A GB 550830 A GB550830 A GB 550830A GB 355754 A GB355754 A GB 355754A
Authority
GB
United Kingdom
Prior art keywords
coil
frequency
feb
filtration
electromagnetic wave
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
GB5508/30A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB355754A publication Critical patent/GB355754A/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

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
GB5508/30A 1929-02-19 1930-02-19 Improvements in mechanical resonators for the filtration of electromagnetic wave frequencies Expired GB355754A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE355754X 1929-02-19

Publications (1)

Publication Number Publication Date
GB355754A true GB355754A (en) 1931-08-28

Family

ID=6290092

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5508/30A Expired GB355754A (en) 1929-02-19 1930-02-19 Improvements in mechanical resonators for the filtration of electromagnetic wave frequencies

Country Status (2)

Country Link
FR (1) FR690040A (fr)
GB (1) GB355754A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596460A (en) * 1946-04-05 1952-05-13 Us Navy Multichannel filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2596460A (en) * 1946-04-05 1952-05-13 Us Navy Multichannel filter

Also Published As

Publication number Publication date
FR690040A (fr) 1930-09-15

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