EP0212418A3 - Convolver-Anordnung mit akustischen Wellen - Google Patents

Convolver-Anordnung mit akustischen Wellen Download PDF

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Publication number
EP0212418A3
EP0212418A3 EP86110765A EP86110765A EP0212418A3 EP 0212418 A3 EP0212418 A3 EP 0212418A3 EP 86110765 A EP86110765 A EP 86110765A EP 86110765 A EP86110765 A EP 86110765A EP 0212418 A3 EP0212418 A3 EP 0212418A3
Authority
EP
European Patent Office
Prior art keywords
input
reference signals
input signal
converter
tracks
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.)
Withdrawn
Application number
EP86110765A
Other languages
English (en)
French (fr)
Other versions
EP0212418A2 (de
Inventor
Hans-Peter Dr. Grassl
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 AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP0212418A2 publication Critical patent/EP0212418A2/de
Publication of EP0212418A3 publication Critical patent/EP0212418A3/de
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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 specially adapted therefor
    • G06G7/19—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for forming integrals of products, e.g. Fourier integrals, Laplace integrals or correlation integrals; for analysis or synthesis of functions using orthogonal functions
    • G06G7/195—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for forming integrals of products, e.g. Fourier integrals, Laplace integrals or correlation integrals; for analysis or synthesis of functions using orthogonal functions using electro- acoustic elements

Landscapes

  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Software Systems (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)

Abstract

Für einen mit einem Eingangssignal E und mit zwei Referenzsignalen R₁ und R₂ zu betreibenden Convolver (Fig. 1) sind zwei Convolver-Spuren (bzw. vier Spuren bei Kompensation der Selbstfaltung) mit gegenüber dem Ein­ gangswandlern 5 und 6 für die Referenzsignale R₁ und R₂ (bzw. vier) parallelgeschalteten Eingangswandlern 3, 4 (bzw. 3, 1; 3, 2; 4, 1; 4, 2) für das Eingangssignal E erforderlich. Damit bei an allen 3 Eingängen des Con­ volvers mit derselben Eingangsimpedanz alle Eingangswand­ ler 3, 4, 5, 6 dennoch prizipiell demselben Entwurf ent­ sprechen, sind für die Eingangssignal-Wandler 3, 4 ab­ gewandelte Splitfinger-Wandler (Fig. 3, Fig. 4) mit floatenden Fingern (und die nicht abgewandelten Split­ fingerwandler (Fig. 2) für die Referenzsignale) vorge­ sehen.
EP86110765A 1985-08-21 1986-08-04 Convolver-Anordnung mit akustischen Wellen Withdrawn EP0212418A3 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19853529902 DE3529902A1 (de) 1985-08-21 1985-08-21 Convolver-anordnung mit akustischen wellen
DE3529902 1985-08-21

Publications (2)

Publication Number Publication Date
EP0212418A2 EP0212418A2 (de) 1987-03-04
EP0212418A3 true EP0212418A3 (de) 1990-01-17

Family

ID=6279015

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86110765A Withdrawn EP0212418A3 (de) 1985-08-21 1986-08-04 Convolver-Anordnung mit akustischen Wellen

Country Status (4)

Country Link
US (1) US4799184A (de)
EP (1) EP0212418A3 (de)
JP (1) JPS6247207A (de)
DE (1) DE3529902A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3729014A1 (de) * 1987-08-31 1989-03-09 Siemens Ag Oberflaechenwellenbauteil mit unterdrueckung unerwuenschter akustischer wellen
US4965480A (en) * 1988-01-12 1990-10-23 Canon Kabushiki Kaisha Surface acoustic wave convolver with two output electrodes of different lengths
JP2704196B2 (ja) * 1988-09-07 1998-01-26 国際電信電話 株式会社 ユニークワード検出器
US4952833A (en) * 1989-03-22 1990-08-28 Westinghouse Electric Corp. High density surface acoustic waveguide channelizer
JPH06188675A (ja) * 1992-12-18 1994-07-08 Canon Inc 弾性表面波コンボルバ
JPH11340774A (ja) * 1998-05-26 1999-12-10 Murata Mfg Co Ltd 弾性表面波フィルタ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770949A (en) * 1972-04-21 1973-11-06 Us Navy Acoustic surface wave correlators and convolvers
GB2028617A (en) * 1978-08-25 1980-03-05 Rockwell International Corp Acousto-electric convolver
FR2443724A1 (fr) * 1978-12-07 1980-07-04 United Technologies Corp Processeur de signaux d'ondes acoustiques superficielles a mixage interne, programmables en phase et en amplitude

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4575696A (en) * 1970-09-02 1986-03-11 Texas Instruments Incorporated Method for using interdigital surface wave transducer to generate unidirectionally propagating surface wave
US3816753A (en) * 1971-10-18 1974-06-11 Univ Leland Stanford Junior Parametric acoustic surface wave apparatus
US3931509A (en) * 1974-03-11 1976-01-06 The Board Of Trustees Of Leland Stanford Jr. University Apparatus for obtaining the convolution and/or correlation of signals utilizing acoustic waves
US3935439A (en) * 1974-07-12 1976-01-27 Texas Instruments Incorporated Variable tap weight convolution filter
EP0057555B1 (de) * 1981-02-04 1985-11-27 Matsushita Electric Industrial Co., Ltd. Akustische Oberflächenwelleneinrichtung
EP0104314A3 (de) * 1982-09-07 1985-09-11 Siemens-Albis Aktiengesellschaft SAW-Filter
DE3330034A1 (de) * 1983-08-19 1985-03-07 Siemens AG, 1000 Berlin und 8000 München Oberflaechenwellen-convolveranordnung
JPS62115A (ja) * 1985-02-25 1987-01-06 Oki Electric Ind Co Ltd 弾性表面波フイルタ
DE3520889C1 (de) * 1985-06-11 1990-03-08 SKF Textilmaschinen-Komponenten GmbH, 7000 Stuttgart Elektrische Antriebsvorrichtung, insbesondere für Textilmaschinen

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3770949A (en) * 1972-04-21 1973-11-06 Us Navy Acoustic surface wave correlators and convolvers
GB2028617A (en) * 1978-08-25 1980-03-05 Rockwell International Corp Acousto-electric convolver
FR2443724A1 (fr) * 1978-12-07 1980-07-04 United Technologies Corp Processeur de signaux d'ondes acoustiques superficielles a mixage interne, programmables en phase et en amplitude

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
ULTRASONICS SYMPOSIUM PROCEEDINGS 1981, Seiten 181-185, IEEE, New York, US; I. YAO: "High performance elastic convolver with extended time-bandwidth product" *
ULTRASONICS SYMPOSIUM PROCEEDINGS 1982, San Diego, CA, 27. - 29. Oktober 1982, Band 1, Seiten 130-133, IEEE, New York, US; D.A. SWANSON et al.: "Surface acoustic wave convolver using counterpropagating symmetric and antisymmetric waveguide modes" *

Also Published As

Publication number Publication date
JPS6247207A (ja) 1987-02-28
EP0212418A2 (de) 1987-03-04
DE3529902A1 (de) 1987-02-26
US4799184A (en) 1989-01-17

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Inventor name: GRASSL, HANS-PETER, DR.