FR2630599B1 - Dispositif a ondes acoustiques de surface - Google Patents

Dispositif a ondes acoustiques de surface

Info

Publication number
FR2630599B1
FR2630599B1 FR898905216A FR8905216A FR2630599B1 FR 2630599 B1 FR2630599 B1 FR 2630599B1 FR 898905216 A FR898905216 A FR 898905216A FR 8905216 A FR8905216 A FR 8905216A FR 2630599 B1 FR2630599 B1 FR 2630599B1
Authority
FR
France
Prior art keywords
acoustic wave
surface acoustic
wave device
wave
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.)
Expired - Fee Related
Application number
FR898905216A
Other languages
English (en)
Other versions
FR2630599A1 (fr
Inventor
Okamoto Takeshi
Minagawa Shoichi
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.)
Faurecia Clarion Electronics Co Ltd
Original Assignee
Clarion Co Ltd
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 Clarion Co Ltd filed Critical Clarion Co Ltd
Publication of FR2630599A1 publication Critical patent/FR2630599A1/fr
Application granted granted Critical
Publication of FR2630599B1 publication Critical patent/FR2630599B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/195—Arrangements for performing computing operations, e.g. operational amplifiers for forming integrals of products, e.g. Fourier integrals, Laplace integrals, correlation integrals; for analysis or synthesis of functions using orthogonal functions using electro- acoustic elements
    • 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
    • H03H9/64—Filters using surface acoustic waves
    • H03H9/6423—Means for obtaining a particular transfer characteristic
    • H03H9/6426—Combinations of the characteristics of different transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
FR898905216A 1988-04-20 1989-04-19 Dispositif a ondes acoustiques de surface Expired - Fee Related FR2630599B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63099092A JP2620107B2 (ja) 1988-04-20 1988-04-20 弾性表面波装置

Publications (2)

Publication Number Publication Date
FR2630599A1 FR2630599A1 (fr) 1989-10-27
FR2630599B1 true FR2630599B1 (fr) 1994-10-21

Family

ID=14238242

Family Applications (1)

Application Number Title Priority Date Filing Date
FR898905216A Expired - Fee Related FR2630599B1 (fr) 1988-04-20 1989-04-19 Dispositif a ondes acoustiques de surface

Country Status (5)

Country Link
US (1) US5033063A (fr)
JP (1) JP2620107B2 (fr)
DE (1) DE3913042A1 (fr)
FR (1) FR2630599B1 (fr)
GB (1) GB2218292B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5196720A (en) * 1989-05-15 1993-03-23 Clarion Co., Ltd. Narrow band interference signal removing device
EP0508325A1 (fr) * 1991-04-11 1992-10-14 SIEMENS MATSUSHITA COMPONENTS GmbH & CO. KG Ligne à retard réflective à ondes acoustiques de surface
US5301206A (en) * 1992-02-07 1994-04-05 Victor Company Of Japan, Inc. Spread spectrum communication system
US5471499A (en) * 1993-03-19 1995-11-28 Brown; Roy B. Minimum shift keyed saw device and method
US20070053466A1 (en) * 2005-09-08 2007-03-08 Klostermann Daniel J Frequency shift keying demodulation technique

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3684892A (en) * 1970-10-15 1972-08-15 Ibm High gain wide band acoustic surface wave transducers using parametric upconversion
US4037174A (en) * 1973-12-10 1977-07-19 Westinghouse Electric Corporation Combined acoustic surface wave and semiconductor device particularly suited for signal convolution
US4897659A (en) * 1981-08-03 1990-01-30 Texas Instruments Incorporated Communication receiver
FR2525414A1 (fr) * 1982-04-16 1983-10-21 Thomson Csf Filtre de demodulation de signal module binairement en frequence
JPS5972804A (ja) * 1982-10-20 1984-04-24 Matsushita Electric Ind Co Ltd 弾性表面波素子
US4592009A (en) * 1983-11-17 1986-05-27 E-Systems, Inc. MSK surface acoustic wave convolver
US4599532A (en) * 1984-07-05 1986-07-08 Clarion Co., Ltd. Surface acoustic wave device with anti-reflection electrode structure

Also Published As

Publication number Publication date
GB2218292A (en) 1989-11-08
US5033063A (en) 1991-07-16
GB8908796D0 (en) 1989-06-07
JPH01269311A (ja) 1989-10-26
DE3913042A1 (de) 1989-11-02
JP2620107B2 (ja) 1997-06-11
GB2218292B (en) 1992-09-09
FR2630599A1 (fr) 1989-10-27

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Legal Events

Date Code Title Description
ST Notification of lapse