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FR2325243A1 - Dispositif mettant a profit des ondes de surfaces acoustiques - Google Patents

Dispositif mettant a profit des ondes de surfaces acoustiques

Info

Publication number
FR2325243A1
FR2325243A1 FR7628006A FR7628006A FR2325243A1 FR 2325243 A1 FR2325243 A1 FR 2325243A1 FR 7628006 A FR7628006 A FR 7628006A FR 7628006 A FR7628006 A FR 7628006A FR 2325243 A1 FR2325243 A1 FR 2325243A1
Authority
FR
France
Prior art keywords
taking advantage
surface waves
acoustic surface
device taking
acoustic
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.)
Granted
Application number
FR7628006A
Other languages
English (en)
Other versions
FR2325243B1 (fr
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Publication of FR2325243A1 publication Critical patent/FR2325243A1/fr
Application granted granted Critical
Publication of FR2325243B1 publication Critical patent/FR2325243B1/fr
Granted 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
    • H03H9/25—Constructional features of resonators using surface acoustic waves
    • 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
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6433—Coupled resonator filters
    • H03H9/644—Coupled resonator filters having two acoustic tracks
    • H03H9/6443—Coupled resonator filters having two acoustic tracks being acoustically coupled
    • H03H9/6446—Coupled resonator filters having two acoustic tracks being acoustically coupled by floating multistrip couplers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
FR7628006A 1975-09-19 1976-09-17 Dispositif mettant a profit des ondes de surfaces acoustiques Granted FR2325243A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB38577/75A GB1513466A (en) 1975-09-19 1975-09-19 Acoustic surface wave devices

Publications (2)

Publication Number Publication Date
FR2325243A1 true FR2325243A1 (fr) 1977-04-15
FR2325243B1 FR2325243B1 (fr) 1982-03-26

Family

ID=10404385

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7628006A Granted FR2325243A1 (fr) 1975-09-19 1976-09-17 Dispositif mettant a profit des ondes de surfaces acoustiques

Country Status (6)

Country Link
US (1) US4072915A (fr)
JP (1) JPS5239348A (fr)
CA (1) CA1089084A (fr)
DE (1) DE2641090A1 (fr)
FR (1) FR2325243A1 (fr)
GB (1) GB1513466A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405589A1 (fr) * 1977-10-06 1979-05-04 Philips Nv Resonateur pour ondes acoustiques
WO2018020096A1 (fr) * 2016-07-27 2018-02-01 Office National D'etudes Et De Recherches Aérospatiales Résonateur mécanique optimisé pour fonctionner dans un fluide

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030407B (en) * 1978-09-22 1982-12-08 Philips Electronic Associated Acustic wave resonators and filters
JPS5734030A (en) * 1980-07-30 1982-02-24 Ishizuka Glass Ltd Preparation of glassware having opening with irregular shape
JPS6027526U (ja) * 1984-06-25 1985-02-25 富士通株式会社 弾性表面波素子
DE3942140A1 (de) * 1989-12-20 1991-06-27 Siemens Ag Oberflaechenwellen-reflektorfilter
DE3942148A1 (de) * 1989-12-20 1991-06-27 Siemens Ag Oberflaechenwellen-reflektorfilter
US5162689A (en) * 1991-05-01 1992-11-10 Motorola, Inc. Single-phase uni-directional acoustic wave transducer
US5212420A (en) * 1991-09-03 1993-05-18 Motorola, Inc. Method and apparatus for surface acoustic wave reflector grating
US5703427A (en) * 1993-03-19 1997-12-30 Thomson-Csf Surface-wave distributed acoustic reflection transducer and filter including such a transducer
US5600287A (en) * 1994-02-03 1997-02-04 Motorola, Inc. Acoustic wave filter with reduced bulk-wave scattering loss, ladder filter incorporating same and method
US5434466A (en) * 1994-05-31 1995-07-18 Motorola, Inc. Acoustic wave filter with reduced bulk-wave scattering loss and method
US6107910A (en) 1996-11-29 2000-08-22 X-Cyte, Inc. Dual mode transmitter/receiver and decoder for RF transponder tags
US6208062B1 (en) 1997-08-18 2001-03-27 X-Cyte, Inc. Surface acoustic wave transponder configuration
US6114971A (en) * 1997-08-18 2000-09-05 X-Cyte, Inc. Frequency hopping spread spectrum passive acoustic wave identification device
US6060815A (en) * 1997-08-18 2000-05-09 X-Cyte, Inc. Frequency mixing passive transponder
US5986382A (en) * 1997-08-18 1999-11-16 X-Cyte, Inc. Surface acoustic wave transponder configuration
JP3154402B2 (ja) * 1997-11-12 2001-04-09 日本電気株式会社 Ｓａｗフィルタ
EP1089431A3 (fr) * 1999-09-30 2003-12-10 Matsushita Electric Industrial Co., Ltd. Dispositif à ondes acoustiques de surface et procédé de fabrication du même
JP3705722B2 (ja) * 1999-10-20 2005-10-12 株式会社村田製作所 表面波装置
US9258138B2 (en) * 2013-12-23 2016-02-09 Intel Corporation Unidirectional coding for bidirectional data bus radio frequency interference mitigation

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675054A (en) * 1970-12-02 1972-07-04 Texas Instruments Inc Series connection of interdigitated surface wave transducers
GB1386243A (en) * 1971-07-26 1975-03-05 Gen Electric Co Ltd Surface elastic wave devices

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3716809A (en) * 1971-08-11 1973-02-13 Us Air Force Acoustic surface wave resonator
US3886504A (en) * 1974-05-20 1975-05-27 Texas Instruments Inc Acoustic surface wave resonator devices
GB1529941A (en) * 1975-01-15 1978-10-25 Mullard Ltd Electrical filters including coupled resonators
US3961293A (en) * 1975-02-03 1976-06-01 Texas Instruments Incorporated Multi-resonant surface wave resonator
US3970970A (en) * 1975-06-30 1976-07-20 Motorola, Inc. Multiple acoustically coupled surface acoustic wave resonators

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675054A (en) * 1970-12-02 1972-07-04 Texas Instruments Inc Series connection of interdigitated surface wave transducers
GB1386243A (en) * 1971-07-26 1975-03-05 Gen Electric Co Ltd Surface elastic wave devices

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NV368/71 *
NV8030/71 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2405589A1 (fr) * 1977-10-06 1979-05-04 Philips Nv Resonateur pour ondes acoustiques
WO2018020096A1 (fr) * 2016-07-27 2018-02-01 Office National D'etudes Et De Recherches Aérospatiales Résonateur mécanique optimisé pour fonctionner dans un fluide
CN109477816A (zh) * 2016-07-27 2019-03-15 国家宇航研究所 在流体中操作的优化的机械共振器
US10809230B2 (en) 2016-07-27 2020-10-20 Office National D'etudes Et De Recherches Aérospatiales Mechanical resonator optimised to operate in a fluid
CN109477816B (zh) * 2016-07-27 2021-12-28 国家宇航研究所 在流体中操作的优化的机械共振器

Also Published As

Publication number Publication date
FR2325243B1 (fr) 1982-03-26
DE2641090C2 (fr) 1988-12-15
US4072915A (en) 1978-02-07
CA1089084A (fr) 1980-11-04
JPS5239348A (en) 1977-03-26
JPS5756814B2 (fr) 1982-12-01
GB1513466A (en) 1978-06-07
DE2641090A1 (de) 1977-03-31

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Legal Events

Date Code Title Description
ST Notification of lapse