NL7208444A - - Google Patents
Info
- Publication number
- NL7208444A NL7208444A NL7208444A NL7208444A NL7208444A NL 7208444 A NL7208444 A NL 7208444A NL 7208444 A NL7208444 A NL 7208444A NL 7208444 A NL7208444 A NL 7208444A NL 7208444 A NL7208444 A NL 7208444A
- Authority
- NL
- Netherlands
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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02818—Means for compensation or elimination of undesirable effects
- H03H9/02842—Means for compensation or elimination of undesirable effects of reflections
-
- 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
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/02614—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves
- H03H9/02629—Treatment of substrates, e.g. curved, spherical, cylindrical substrates ensuring closed round-about circuits for the acoustical waves of the edges
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19712131614 DE2131614A1 (de) | 1971-06-25 | 1971-06-25 | Funktionselement nach dem Oberflaechenwellenprinzip,insbesondere Frequenzfilter oder Ultraschallverzoegerungsleitung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7208444A true NL7208444A (OSRAM) | 1972-12-28 |
Family
ID=5811794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7208444A NL7208444A (OSRAM) | 1971-06-25 | 1972-06-20 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE785364A (OSRAM) |
| DE (1) | DE2131614A1 (OSRAM) |
| FR (1) | FR2143368B1 (OSRAM) |
| GB (1) | GB1361912A (OSRAM) |
| IT (1) | IT956738B (OSRAM) |
| NL (1) | NL7208444A (OSRAM) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51105252A (en) * | 1975-03-13 | 1976-09-17 | Asahi Glass Co Ltd | Choonpakotaichensen oyobi sonoseizoho |
| JPS5333557A (en) * | 1976-08-24 | 1978-03-29 | Toshiba Corp | Elastic surface wave element |
| JP3270042B2 (ja) * | 1991-03-28 | 2002-04-02 | エプコス アクチエンゲゼルシャフト | 障害音響波成分が発生するのを防止する表面波構造を有する表面波装置 |
| JP2019040919A (ja) * | 2017-08-22 | 2019-03-14 | 株式会社ディスコ | 切削装置及び溝検出方法 |
-
1971
- 1971-06-25 DE DE19712131614 patent/DE2131614A1/de active Pending
-
1972
- 1972-06-20 NL NL7208444A patent/NL7208444A/xx unknown
- 1972-06-21 IT IT2597472A patent/IT956738B/it active
- 1972-06-23 FR FR7222747A patent/FR2143368B1/fr not_active Expired
- 1972-06-23 BE BE785364A patent/BE785364A/xx unknown
- 1972-06-23 GB GB2947572A patent/GB1361912A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1361912A (en) | 1974-07-30 |
| FR2143368A1 (OSRAM) | 1973-02-02 |
| DE2131614A1 (de) | 1972-12-28 |
| BE785364A (fr) | 1972-10-16 |
| IT956738B (it) | 1973-10-10 |
| FR2143368B1 (OSRAM) | 1973-07-13 |