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NL277292A - - Google Patents

Info

Publication number
NL277292A
NL277292A NL277292DA NL277292A NL 277292 A NL277292 A NL 277292A NL 277292D A NL277292D A NL 277292DA NL 277292 A NL277292 A NL 277292A
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 NL277292A publication Critical patent/NL277292A/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
    • 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)
NL277292D 1961-06-20 NL277292A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES0074429 1961-06-20

Publications (1)

Publication Number Publication Date
NL277292A true NL277292A (sv)

Family

ID=7504644

Family Applications (2)

Application Number Title Priority Date Filing Date
NL277292D NL277292A (sv) 1961-06-20
NL62277292A NL147298B (nl) 1961-06-20 1962-04-16 Uit ten minste drie resonatoren bestaand filter.

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL62277292A NL147298B (nl) 1961-06-20 1962-04-16 Uit ten minste drie resonatoren bestaand filter.

Country Status (5)

Country Link
US (1) US3264585A (sv)
BE (1) BE619130R (sv)
GB (1) GB948889A (sv)
NL (2) NL147298B (sv)
SE (1) SE309637B (sv)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3354413A (en) * 1961-11-13 1967-11-21 Kokusai Electric Co Ltd Electromechanical filter for low frequencies
US3437848A (en) * 1964-09-24 1969-04-08 Telefunken Patent Piezoelectric plate filter
US3437849A (en) * 1966-11-21 1969-04-08 Motorola Inc Temperature compensation of electrical devices
US3488530A (en) * 1968-04-22 1970-01-06 North American Rockwell Piezoelectric microresonator
US3573672A (en) * 1968-10-30 1971-04-06 Bell Telephone Labor Inc Crystal filter
US3638145A (en) * 1969-12-15 1972-01-25 Bell Telephone Labor Inc Electromechanical wave filter
US4137511A (en) * 1977-09-13 1979-01-30 Bell Telephone Laboratories, Incorporated Electromechanical filter and resonator
US5187458A (en) * 1989-09-21 1993-02-16 Nihon Musen Kabushiki Kaisha Composite longitudinal vibration mechanical filter having central frequency deviation elimination means and method of manufacturing same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2695357A (en) * 1951-04-19 1954-11-23 Rca Corp Frequency conversion apparatus
US2814785A (en) * 1955-07-29 1957-11-26 Rca Corp Electromechanical filter
US3015789A (en) * 1956-04-23 1962-01-02 Toyotsushinki Kabushiki Kaisha Mechanical filter
NL239635A (sv) * 1958-05-30
US3064213A (en) * 1959-08-14 1962-11-13 Bell Telephone Labor Inc Electromechanical wave transmission systems

Also Published As

Publication number Publication date
GB948889A (en) 1964-02-05
SE309637B (sv) 1969-03-31
US3264585A (en) 1966-08-02
NL147298B (nl) 1975-09-15
BE619130R (fr) 1962-12-19

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