DE68927734T2 - Oberflächenschallwellenfaltungsvorrichtung mit mehreren Wellenleiterwegen zur Erzeugung von Faltungssignalen mit gegenseitig verschiedenen Phasen - Google Patents

Oberflächenschallwellenfaltungsvorrichtung mit mehreren Wellenleiterwegen zur Erzeugung von Faltungssignalen mit gegenseitig verschiedenen Phasen

Info

Publication number
DE68927734T2
DE68927734T2 DE68927734T DE68927734T DE68927734T2 DE 68927734 T2 DE68927734 T2 DE 68927734T2 DE 68927734 T DE68927734 T DE 68927734T DE 68927734 T DE68927734 T DE 68927734T DE 68927734 T2 DE68927734 T2 DE 68927734T2
Authority
DE
Germany
Prior art keywords
acoustic wave
surface acoustic
mutually different
different phases
waveguide paths
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
DE68927734T
Other languages
English (en)
Other versions
DE68927734D1 (de
Inventor
Norihiro Mochizuki
Koichi Egara
Kenji Nakamura
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.)
Canon Inc
Original Assignee
Canon Inc
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
Priority claimed from JP63315161A external-priority patent/JPH07120922B2/ja
Priority claimed from JP3839489A external-priority patent/JPH0248812A/ja
Application filed by Canon Inc filed Critical Canon Inc
Application granted granted Critical
Publication of DE68927734D1 publication Critical patent/DE68927734D1/de
Publication of DE68927734T2 publication Critical patent/DE68927734T2/de
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

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)
DE68927734T 1988-12-15 1989-11-24 Oberflächenschallwellenfaltungsvorrichtung mit mehreren Wellenleiterwegen zur Erzeugung von Faltungssignalen mit gegenseitig verschiedenen Phasen Expired - Fee Related DE68927734T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP63315161A JPH07120922B2 (ja) 1988-12-15 1988-12-15 弾性表面波コンボルバ
JP3839489A JPH0248812A (ja) 1988-05-25 1989-02-20 弾性表面波コンボルバ

Publications (2)

Publication Number Publication Date
DE68927734D1 DE68927734D1 (de) 1997-03-13
DE68927734T2 true DE68927734T2 (de) 1997-06-26

Family

ID=26377639

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68927734T Expired - Fee Related DE68927734T2 (de) 1988-12-15 1989-11-24 Oberflächenschallwellenfaltungsvorrichtung mit mehreren Wellenleiterwegen zur Erzeugung von Faltungssignalen mit gegenseitig verschiedenen Phasen

Country Status (3)

Country Link
US (1) US5003213A (de)
EP (1) EP0373404B1 (de)
DE (1) DE68927734T2 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5189330A (en) * 1989-08-16 1993-02-23 Clarion Co., Ltd. Surface acoustic wave device
US5164628A (en) * 1990-05-21 1992-11-17 Canon Kabushiki Kaisha Elastic surface wave convolva having wave width converting means and communication system using same
US5200663A (en) * 1990-08-29 1993-04-06 Canon Kabushiki Kaisha Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same
US5185548A (en) * 1990-10-11 1993-02-09 Canon Kabushiki Kaisha Surface acoustic wave device with reflected wave at side edges on waveguide suppressed and communication system using the same
US5367216A (en) * 1991-08-02 1994-11-22 Canon Kabushiki Kaisha Surface acoustic wave element and communication system using the same
US5374863A (en) * 1992-06-29 1994-12-20 Canon Kabushiki Kaisha Surface acoustic wave device, and demodulation device and communication system using the same
JPH06237240A (ja) * 1993-02-08 1994-08-23 Canon Inc 復調装置
JPH0750548A (ja) * 1993-05-31 1995-02-21 Canon Inc 弾性表面波素子
US7249818B1 (en) * 1999-10-12 2007-07-31 Hewlett-Packard Development Company, L.P. Print head apparatus with malfunction detector
CN105117668A (zh) * 2015-07-28 2015-12-02 东华大学 一种具有衍射抑制功能包络幅值加权型小波变换处理器
CN113680405A (zh) * 2021-08-26 2021-11-23 哈尔滨工业大学 一种声表面波驱动的微液滴移动速度与方向控制方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1047615A (en) * 1974-12-25 1979-01-30 Yasutoshi Komatsu Surface acoustic wave filter
US4114116A (en) * 1977-08-01 1978-09-12 United Technologies Corporation Two-dimensional surface acoustic wave signal processor
GB2064256B (en) * 1979-10-22 1983-11-23 Secr Defence Surface acoustic wave devices and system including such devices
US4556949A (en) * 1983-04-04 1985-12-03 Sperry Corporation Three wave surface acoustic wave (SAW) signal processor
US4675839A (en) * 1985-04-10 1987-06-23 Allied Corporation Receiver for a spread spectrum communication system having a time-multiplexed convolver
US4841470A (en) * 1985-06-25 1989-06-20 Clarion, Co., Ltd. Surface acoustic wave device for differential phase shift keying convolving
US4764701A (en) * 1986-12-30 1988-08-16 Zenith Electronics Corporation Multichannel surface acoustic wave encoder/decoder
US4882715A (en) * 1987-03-16 1989-11-21 Canon Kabushiki Kaisha Surface acoustic wave convolver with dielectric film of high non-linear effect
JPH0770942B2 (ja) * 1987-04-21 1995-07-31 キヤノン株式会社 弾性表面波コンボルバ

Also Published As

Publication number Publication date
EP0373404B1 (de) 1997-01-29
US5003213A (en) 1991-03-26
EP0373404A3 (de) 1991-03-20
EP0373404A2 (de) 1990-06-20
DE68927734D1 (de) 1997-03-13

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee