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GB1028492A - Improvements in or relating to electromechanical filters - Google Patents

Improvements in or relating to electromechanical filters

Info

Publication number
GB1028492A
GB1028492A GB5146/63A GB514663A GB1028492A GB 1028492 A GB1028492 A GB 1028492A GB 5146/63 A GB5146/63 A GB 5146/63A GB 514663 A GB514663 A GB 514663A GB 1028492 A GB1028492 A GB 1028492A
Authority
GB
United Kingdom
Prior art keywords
oscillators
coupler
feb
mechanical strength
filters
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
GB5146/63A
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.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens Corp
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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB1028492A publication Critical patent/GB1028492A/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
    • H03H9/54—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)
GB5146/63A 1962-02-09 1963-02-08 Improvements in or relating to electromechanical filters Expired GB1028492A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1028492A true GB1028492A (en) 1966-05-04

Family

ID=7507141

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5146/63A Expired GB1028492A (en) 1962-02-09 1963-02-08 Improvements in or relating to electromechanical filters

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
NL287749A (xx)
SE321037B (xx) 1970-02-23
NL139430B (nl) 1973-07-16
DE1264635B (de) 1968-03-28
US3245012A (en) 1966-04-05

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