JPS5434519B2 - - Google Patents
Info
- Publication number
- JPS5434519B2 JPS5434519B2 JP9788773A JP9788773A JPS5434519B2 JP S5434519 B2 JPS5434519 B2 JP S5434519B2 JP 9788773 A JP9788773 A JP 9788773A JP 9788773 A JP9788773 A JP 9788773A JP S5434519 B2 JPS5434519 B2 JP S5434519B2
- Authority
- JP
- Japan
- 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
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)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9788773A JPS5434519B2 (ja) | 1973-08-31 | 1973-08-31 | |
US500696A US3894251A (en) | 1973-08-31 | 1974-08-26 | Elastic surface wave transducer |
GB37739/74A GB1483221A (en) | 1973-08-31 | 1974-08-29 | Elastic surface wave transducer |
NL7411478A NL168102C (nl) | 1973-08-31 | 1974-08-29 | Interdigitale transducent voor elastische oppervlaktegolven. |
DE19742441499 DE2441499C3 (de) | 1973-08-31 | 1974-08-30 | Wandler für elastische Oberflächenwellen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9788773A JPS5434519B2 (ja) | 1973-08-31 | 1973-08-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5047539A JPS5047539A (ja) | 1975-04-28 |
JPS5434519B2 true JPS5434519B2 (ja) | 1979-10-27 |
Family
ID=14204247
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9788773A Expired JPS5434519B2 (ja) | 1973-08-31 | 1973-08-31 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3894251A (ja) |
JP (1) | JPS5434519B2 (ja) |
GB (1) | GB1483221A (ja) |
NL (1) | NL168102C (ja) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS50137428A (ja) * | 1974-04-18 | 1975-10-31 | ||
JPS5133345U (ja) * | 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 |
SU726648A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Устройство на поверхностных акустических волнах |
SU726647A1 (ru) * | 1977-07-22 | 1980-04-05 | Ордена Трудового Красного Знамени Институт Радиотехники И Электроники Ан Ссср | Полосовой фильтр 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 |
EP1113252A4 (en) * | 1999-07-09 | 2001-09-19 | Tokin Corp | CAPACITIVE STRETCH SENSOR AND THEIR APPLICATION |
EP2104229B1 (en) * | 2008-03-17 | 2011-09-14 | Epcos AG | SAW transversal filter |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688223A (en) * | 1969-09-17 | 1972-08-29 | Philips Corp | Electromechanical filters comprising input-output interdigital electrodes having differing amplitude and frequency characteristics |
JPS5211186U (ja) * | 1975-07-11 | 1977-01-26 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
-
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
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3688223A (en) * | 1969-09-17 | 1972-08-29 | Philips Corp | Electromechanical filters comprising input-output interdigital electrodes having differing amplitude and frequency characteristics |
JPS5211186U (ja) * | 1975-07-11 | 1977-01-26 |
Also Published As
Publication number | Publication date |
---|---|
NL168102B (nl) | 1981-09-16 |
JPS5047539A (ja) | 1975-04-28 |
US3894251A (en) | 1975-07-08 |
DE2441499A1 (de) | 1975-04-03 |
DE2441499B2 (de) | 1977-02-10 |
NL7411478A (nl) | 1975-03-04 |
GB1483221A (en) | 1977-08-17 |
NL168102C (nl) | 1982-02-16 |