NL168102C - Interdigitale transducent voor elastische oppervlaktegolven. - Google Patents
Interdigitale transducent voor elastische oppervlaktegolven.Info
- Publication number
- NL168102C NL168102C NL7411478A NL7411478A NL168102C NL 168102 C NL168102 C NL 168102C NL 7411478 A NL7411478 A NL 7411478A NL 7411478 A NL7411478 A NL 7411478A NL 168102 C NL168102 C NL 168102C
- Authority
- NL
- Netherlands
- Prior art keywords
- transducent
- interdigital
- surface waves
- elastic surface
- elastic
- Prior art date
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
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/145—Driving means, e.g. electrodes, coils for networks using surface acoustic waves
- H03H9/14517—Means for weighting
- H03H9/14523—Capacitive tap weighted transducers
 
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| JP9788773A JPS5434519B2 (cs) | 1973-08-31 | 1973-08-31 | 
Publications (3)
| Publication Number | Publication Date | 
|---|---|
| NL7411478A NL7411478A (nl) | 1975-03-04 | 
| NL168102B NL168102B (nl) | 1981-09-16 | 
| NL168102C true NL168102C (nl) | 1982-02-16 | 
Family
ID=14204247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| NL7411478A NL168102C (nl) | 1973-08-31 | 1974-08-29 | Interdigitale transducent voor elastische oppervlaktegolven. | 
Country Status (4)
| Country | Link | 
|---|---|
| US (1) | US3894251A (cs) | 
| JP (1) | JPS5434519B2 (cs) | 
| GB (1) | GB1483221A (cs) | 
| NL (1) | NL168102C (cs) | 
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| JPS50137428A (cs) * | 1974-04-18 | 1975-10-31 | ||
| JPS5133345U (cs) * | 1974-09-03 | 1976-03-11 | ||
| US4035675A (en) * | 1976-04-08 | 1977-07-12 | University Of Illinois Foundation | Capacitive tap weighted surface acoustic wave transducers | 
| US4143340A (en) * | 1976-09-01 | 1979-03-06 | The Magnavox Company | Acoustic surface wave device with improved transducer | 
| US4134087A (en) * | 1977-04-08 | 1979-01-09 | Hughes Aircraft Company | Amplitude weighted surface acoustic wave device | 
| SU726647A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Полосовой фильтр на поверхностных акустических волнах | 
| SU726648A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Устройство на поверхностных акустических волнах | 
| US4166257A (en) * | 1977-10-19 | 1979-08-28 | Motorola, Inc. | Capacitively weighted surface acoustic wave device | 
| DE2938542C2 (de) * | 1979-09-24 | 1984-10-25 | Siemens Ag, 1000 Berlin Und 8000 Muenchen | Signalzuführungsanordnung für ein Oberflächenwellen-Bauteil | 
| SU805918A1 (ru) * | 1979-09-28 | 1982-03-30 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Преобразователь поверхностных акустических волн | 
| JPS5678218A (en) * | 1979-11-30 | 1981-06-27 | Hitachi Ltd | Elastic surface wave device | 
| JP2716699B2 (ja) * | 1987-08-11 | 1998-02-18 | 株式会社東芝 | 弾性表面波装置 | 
| US5223762A (en) * | 1990-12-27 | 1993-06-29 | Murata Manufacturing Co., Ltd. | Surface acoustic wave filter | 
| US5374863A (en) * | 1992-06-29 | 1994-12-20 | Canon Kabushiki Kaisha | Surface acoustic wave device, and demodulation device and communication system using the same | 
| KR100421304B1 (ko) * | 1999-07-09 | 2004-03-09 | 엔이씨 도낀 가부시끼가이샤 | 정전용량식 왜곡센서 및 그 사용방법 | 
| EP2104229B1 (en) * | 2008-03-17 | 2011-09-14 | Epcos AG | SAW transversal filter | 
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB1328343A (en) * | 1969-09-17 | 1973-08-30 | Mullard Ltd | Electro mechanical filters | 
| US3689784A (en) * | 1970-09-10 | 1972-09-05 | Westinghouse Electric Corp | Broadband, high frequency, thin film piezoelectric transducers | 
| US3836876A (en) * | 1971-05-05 | 1974-09-17 | Secr Defence | Acoustic surface wave devices | 
| GB1362238A (en) * | 1971-07-21 | 1974-07-30 | Mullard Ltd | Acoustic surface wave devices | 
| US3801937A (en) * | 1973-02-20 | 1974-04-02 | Hughes Aircraft Co | Acoustic pulse compression weighting filter transducer | 
| US3831044A (en) * | 1973-11-07 | 1974-08-20 | Us Navy | Coded grating transducer | 
| JPS5211186U (cs) * | 1975-07-11 | 1977-01-26 | 
- 
        1973
        - 1973-08-31 JP JP9788773A patent/JPS5434519B2/ja not_active Expired
 
- 
        1974
        - 1974-08-26 US US500696A patent/US3894251A/en not_active Expired - Lifetime
- 1974-08-29 NL NL7411478A patent/NL168102C/xx not_active IP Right Cessation
- 1974-08-29 GB GB37739/74A patent/GB1483221A/en not_active Expired
 
Also Published As
| Publication number | Publication date | 
|---|---|
| NL7411478A (nl) | 1975-03-04 | 
| DE2441499A1 (de) | 1975-04-03 | 
| GB1483221A (en) | 1977-08-17 | 
| JPS5434519B2 (cs) | 1979-10-27 | 
| JPS5047539A (cs) | 1975-04-28 | 
| DE2441499B2 (de) | 1977-02-10 | 
| NL168102B (nl) | 1981-09-16 | 
| US3894251A (en) | 1975-07-08 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |