DE68927734D1 - 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 PhasenInfo
- Publication number
- DE68927734D1 DE68927734D1 DE68927734T DE68927734T DE68927734D1 DE 68927734 D1 DE68927734 D1 DE 68927734D1 DE 68927734 T DE68927734 T DE 68927734T DE 68927734 T DE68927734 T DE 68927734T DE 68927734 D1 DE68927734 D1 DE 68927734D1
- 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
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)
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 true DE68927734D1 (de) | 1997-03-13 |
DE68927734T2 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) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Families Citing this family (10)
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 |
DE69307201T2 (de) * | 1992-06-29 | 1997-05-15 | Canon Kk | Akustische Oberflächenwellenanordnung, Demodulator und Kommunikationssystem mit dieser akustischen Oberflächenwellenanordnung |
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 |
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)
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 |
-
1989
- 1989-11-24 US US07/440,853 patent/US5003213A/en not_active Expired - Lifetime
- 1989-11-24 EP EP89121721A patent/EP0373404B1/de not_active Expired - Lifetime
- 1989-11-24 DE DE68927734T patent/DE68927734T2/de not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
Also Published As
Publication number | Publication date |
---|---|
EP0373404B1 (de) | 1997-01-29 |
US5003213A (en) | 1991-03-26 |
EP0373404A2 (de) | 1990-06-20 |
EP0373404A3 (de) | 1991-03-20 |
DE68927734T2 (de) | 1997-06-26 |
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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 |