JPS4850654A - - Google Patents
Info
- Publication number
- JPS4850654A JPS4850654A JP47104363A JP10436372A JPS4850654A JP S4850654 A JPS4850654 A JP S4850654A JP 47104363 A JP47104363 A JP 47104363A JP 10436372 A JP10436372 A JP 10436372A JP S4850654 A JPS4850654 A JP S4850654A
- 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.)
- Pending
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
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
- H03H9/14505—Unidirectional SAW transducers
-
- 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
- H03H9/14502—Surface acoustic wave [SAW] transducers for a particular purpose
- H03H9/14508—Polyphase SAW 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 |
|---|---|---|---|
| US05/189,997 US4087714A (en) | 1971-10-18 | 1971-10-18 | Three phase unidirectional transducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4850654A true JPS4850654A (enExample) | 1973-07-17 |
Family
ID=22699640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP47104363A Pending JPS4850654A (enExample) | 1971-10-18 | 1972-10-18 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US4087714A (enExample) |
| JP (1) | JPS4850654A (enExample) |
| DE (1) | DE2249509A1 (enExample) |
| FR (1) | FR2157531A5 (enExample) |
| NL (1) | NL7214047A (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4267533A (en) * | 1980-02-01 | 1981-05-12 | Gte Laboratories Incorporated | Acoustic surface wave device |
| FR2480509A1 (fr) * | 1980-04-14 | 1981-10-16 | Thomson Csf | Dispositif a ondes magnetostatiques de volume |
| JPS598418A (ja) * | 1982-07-06 | 1984-01-17 | Clarion Co Ltd | 弾性表面波装置 |
| US5264751A (en) * | 1989-10-20 | 1993-11-23 | Thomson-Csf | Unilateral surface wave transducer |
| JP2844968B2 (ja) * | 1991-06-27 | 1999-01-13 | 日本電気株式会社 | 弾性表面波フィルタ用重み付け電極 |
| FR2695771B1 (fr) * | 1992-09-15 | 1994-10-28 | Thomson Csf | Transducteur d'ondes unidirectionnel. |
| US5365207A (en) * | 1992-12-31 | 1994-11-15 | Motorola, Inc. | Multi-bandwidth saw filter |
| DE69522066T2 (de) * | 1994-09-28 | 2002-03-28 | Ngk Insulators, Ltd. | Akustische Oberflächenwellenanordnung |
| US7908856B2 (en) * | 2007-10-24 | 2011-03-22 | Los Alamos National Security, Llc | In-line stirling energy system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3243648A (en) * | 1962-03-28 | 1966-03-29 | Gen Telephone & Elect | Piezoelectric energy conversion and electroluminescent display device |
| US3401360A (en) * | 1963-07-19 | 1968-09-10 | Bell Telephone Labor Inc | Phased transducer arrays for elastic wave transmission |
| US3686518A (en) * | 1970-09-02 | 1972-08-22 | Clinton S Hartmann | Unidirectional surface wave transducers |
-
1971
- 1971-10-18 US US05/189,997 patent/US4087714A/en not_active Expired - Lifetime
-
1972
- 1972-10-10 DE DE2249509A patent/DE2249509A1/de active Pending
- 1972-10-17 NL NL7214047A patent/NL7214047A/xx unknown
- 1972-10-17 FR FR7236690A patent/FR2157531A5/fr not_active Expired
- 1972-10-18 JP JP47104363A patent/JPS4850654A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2157531A5 (enExample) | 1973-06-01 |
| DE2249509A1 (de) | 1973-04-26 |
| US4087714A (en) | 1978-05-02 |
| NL7214047A (enExample) | 1973-04-24 |