BE696493A - - Google Patents

Info

Publication number
BE696493A
BE696493A BE696493DA BE696493A BE 696493 A BE696493 A BE 696493A BE 696493D A BE696493D A BE 696493DA BE 696493 A BE696493 A BE 696493A
Authority
BE
Belgium
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.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27066728&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=BE696493(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed filed Critical
Publication of BE696493A publication Critical patent/BE696493A/xx

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
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters
    • H03H9/566—Electric coupling means therefor

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)
BE696493D 1966-04-11 1967-04-03 BE696493A (ro)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US54154966A 1966-04-11 1966-04-11
US55833866A 1966-06-17 1966-06-17

Publications (1)

Publication Number Publication Date
BE696493A true BE696493A (ro) 1967-09-18

Family

ID=27066728

Family Applications (1)

Application Number Title Priority Date Filing Date
BE696493D BE696493A (ro) 1966-04-11 1967-04-03

Country Status (8)

Country Link
US (1) US3564463A (ro)
JP (1) JPS5212532B1 (ro)
BE (1) BE696493A (ro)
DE (1) DE1566035C3 (ro)
ES (1) ES339667A1 (ro)
GB (1) GB1187472A (ro)
NL (1) NL157166B (ro)
SE (1) SE335581B (ro)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009900A1 (en) * 1978-10-10 1980-04-16 Motorola, Inc. A monolithic crystal filter having a passband symmetrical about a center frequency

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3657578A (en) * 1969-09-24 1972-04-18 Denki Onkyo Co Ltd Piezoelectric transducer elements
US3697788A (en) * 1970-09-30 1972-10-10 Motorola Inc Piezoelectric resonating device
US3686592A (en) * 1970-10-08 1972-08-22 Us Army Monolithic coupled crystal resonator filter having cross impedance adjusting means
US3684905A (en) * 1971-04-15 1972-08-15 Mccoy Electronics Co Piezoelectric crystal device including loading elements having the shape of chordal sections
JPS5329265B2 (ro) * 1972-09-20 1978-08-19
US3898489A (en) * 1974-03-04 1975-08-05 Motorola Inc Piezoelectric resonators including mass loading to attenuate spurious modes
US3944951A (en) * 1974-11-21 1976-03-16 Bell Telephone Laboratories, Incorporated Monolithic crystal filter
CA1041186A (en) * 1976-04-28 1978-10-24 Henry K. Yee Monolithic crystal filters
US4076987A (en) * 1976-12-10 1978-02-28 Societe Suisse Pour L'industrie Horlogere Management Services S.A. Multiple resonator or filter vibrating in a coupled mode
CA1101945A (en) * 1977-04-15 1981-05-26 Henry K. Yee Single side band monolithic crystal filter
US4112147A (en) * 1977-05-13 1978-09-05 Western Electric Company, Inc. Method of manufacturing a monolithic crystal filter
US4246554A (en) * 1978-12-11 1981-01-20 E-Systems, Inc. Inductorless monolithic crystal filter network
US4229718A (en) * 1979-04-19 1980-10-21 Motorola, Inc. Wide-bandwidth monolithic crystal filter
US4329666A (en) * 1980-08-11 1982-05-11 Motorola, Inc. Two-pole monolithic crystal filter
JPH04127486A (ja) * 1990-09-18 1992-04-28 Fujitsu Ltd 圧電トランス
US5231327A (en) * 1990-12-14 1993-07-27 Tfr Technologies, Inc. Optimized piezoelectric resonator-based networks
EP0818882A3 (en) * 1996-07-10 1999-12-15 Matsushita Electric Industrial Co., Ltd. Energy trapping piezoelectric device and producing method thereof
DE19860001C2 (de) * 1998-12-23 2001-10-04 Epcos Ag Piezoelektrisches Bauelement, Verfahren zu dessen Herstellung und Verwendung eines derartigen Bauelements
US7111500B2 (en) * 2002-12-26 2006-09-26 Ulvac Inc. Analysis method using piezoelectric resonator
US7847656B2 (en) * 2006-07-27 2010-12-07 Georgia Tech Research Corporation Monolithic thin-film piezoelectric filters
FI20106063A (fi) 2010-10-14 2012-06-08 Valtion Teknillinen Akustisesti kytketty laajakaistainen ohutkalvo-BAW-suodatin
RU2700374C1 (ru) * 2018-12-11 2019-09-16 Открытое акционерное общество "Межгосударственная Корпорация Развития" (ОАО "Межгосударственная Корпорация Развития") Пьезоэлектрический компонент для фильтра

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2248776A (en) * 1938-07-28 1941-07-08 Bell Telephone Labor Inc Wave filter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0009900A1 (en) * 1978-10-10 1980-04-16 Motorola, Inc. A monolithic crystal filter having a passband symmetrical about a center frequency

Also Published As

Publication number Publication date
GB1187472A (en) 1970-04-08
DE1566035C3 (de) 1981-07-30
ES339667A1 (es) 1968-09-01
NL6704844A (ro) 1967-10-12
DE1566035A1 (de) 1971-04-22
SE335581B (ro) 1971-06-01
DE1566035B2 (de) 1973-03-08
US3564463B1 (ro) 1986-02-18
US3564463A (en) 1971-02-16
NL157166B (nl) 1978-06-15
JPS5212532B1 (ro) 1977-04-07

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: WESTERN ELECTRIC CY INC

Effective date: 19870403