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NL287749A - - Google Patents

Info

Publication number
NL287749A
NL287749A NL287749A NL287749A NL287749A NL 287749 A NL287749 A NL 287749A NL 287749 A NL287749 A NL 287749A NL 287749 A NL287749 A NL 287749A NL 287749 A NL287749 A NL 287749A
Authority
NL
Netherlands
Application number
NL287749A
Other versions
NL139430B (nl
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 of NL287749A publication Critical patent/NL287749A/xx
Application filed filed Critical
Publication of NL139430B publication Critical patent/NL139430B/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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters

Landscapes

  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
NL63287749A 1962-02-09 1963-01-14 Elektromechanisch filter. NL139430B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES77973A DE1264635B (de) 1962-02-09 1962-02-09 Elektromechanisches Filter

Publications (2)

Publication Number Publication Date
NL287749A true NL287749A (xx)
NL139430B NL139430B (nl) 1973-07-16

Family

ID=7507141

Family Applications (1)

Application Number Title Priority Date Filing Date
NL63287749A NL139430B (nl) 1962-02-09 1963-01-14 Elektromechanisch filter.

Country Status (5)

Country Link
US (1) US3245012A (xx)
DE (1) DE1264635B (xx)
GB (1) GB1028492A (xx)
NL (1) NL139430B (xx)
SE (1) SE321037B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437848A (en) * 1964-09-24 1969-04-08 Telefunken Patent Piezoelectric plate filter
US3763446A (en) * 1972-03-31 1973-10-02 Murata Manufacturing Co High frequency multi-resonator of trapped energy type
FR2521782A1 (fr) * 1982-02-16 1983-08-19 Centre Electron Horloger Resonateur piezoelectrique encastrable
GB2124021A (en) * 1982-07-16 1984-02-08 Philips Electronic Associated Piezo-electric resonator or filter
US4554558A (en) * 1983-05-19 1985-11-19 The Mead Corporation Fluid jet print head
US4587528A (en) * 1983-05-19 1986-05-06 The Mead Corporation Fluid jet print head having resonant cavity
JP3094717B2 (ja) * 1993-02-09 2000-10-03 株式会社村田製作所 圧電共振部品

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2276013A (en) * 1939-06-08 1942-03-10 Western Electric Co Apparatus for electrical transformation
GB686016A (en) * 1949-03-30 1953-01-14 Rca Corp Improvements in electromechanical filters
US3015789A (en) * 1956-04-23 1962-01-02 Toyotsushinki Kabushiki Kaisha Mechanical filter
GB822536A (en) * 1956-12-06 1959-10-28 Standard Telephones Cables Ltd Improved mechanical filter having mechanical resonators coupled by means employing poisson's effect
NL239635A (xx) * 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
GB1028492A (en) 1966-05-04
SE321037B (xx) 1970-02-23
NL139430B (nl) 1973-07-16
DE1264635B (de) 1968-03-28
US3245012A (en) 1966-04-05

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: SIEMENS