FR2090688A5 - - Google Patents
Info
- Publication number
- FR2090688A5 FR2090688A5 FR7114700A FR7114700A FR2090688A5 FR 2090688 A5 FR2090688 A5 FR 2090688A5 FR 7114700 A FR7114700 A FR 7114700A FR 7114700 A FR7114700 A FR 7114700A FR 2090688 A5 FR2090688 A5 FR 2090688A5
- Authority
- FR
- France
- 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
- H03H9/30—Time-delay networks
- H03H9/42—Time-delay networks using surface acoustic waves
-
- 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
- H03H9/02543—Characteristics of substrate, e.g. cutting angles
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702021090 DE2021090C (de) | 1970-04-29 | Filter oder Verzögerungsleitung nach dem Oberflächenwellenprinzip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2090688A5 true FR2090688A5 (OSRAM) | 1972-01-14 |
Family
ID=5769836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7114700A Expired FR2090688A5 (OSRAM) | 1970-04-29 | 1971-04-26 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3713036A (OSRAM) |
| AT (1) | AT311416B (OSRAM) |
| CH (1) | CH522978A (OSRAM) |
| FR (1) | FR2090688A5 (OSRAM) |
| GB (1) | GB1344924A (OSRAM) |
| NL (1) | NL7105710A (OSRAM) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3805195A (en) * | 1972-12-22 | 1974-04-16 | Rca Corp | Adaptive surface wave devices |
| US4410823A (en) * | 1981-11-13 | 1983-10-18 | Zenith Radio Corporation | Surface acoustic wave device employing reflectors |
| US4464639A (en) * | 1982-09-17 | 1984-08-07 | Rockwell International Corporation | Ferroelectric surface acoustic wave devices |
| DE3881693D1 (de) * | 1988-09-14 | 1993-07-15 | Siemens Ag | Elektroakustisches bauelement aus piezokeramischem material und verfahren zum frequenz- bzw. laufzeitabgleich des bauelementes. |
| CN105846036A (zh) * | 2016-03-29 | 2016-08-10 | 成都集思科技有限公司 | 一种基于三维陶瓷基板的六位数字延迟线 |
-
1971
- 1971-04-07 CH CH510771A patent/CH522978A/de not_active IP Right Cessation
- 1971-04-20 AT AT336271A patent/AT311416B/de not_active IP Right Cessation
- 1971-04-26 US US00137231A patent/US3713036A/en not_active Expired - Lifetime
- 1971-04-26 FR FR7114700A patent/FR2090688A5/fr not_active Expired
- 1971-04-27 NL NL7105710A patent/NL7105710A/xx unknown
- 1971-04-28 GB GB1178471*[A patent/GB1344924A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH522978A (de) | 1972-05-15 |
| US3713036A (en) | 1973-01-23 |
| AT311416B (de) | 1973-11-12 |
| DE2021090B2 (de) | 1972-08-31 |
| NL7105710A (OSRAM) | 1971-11-02 |
| DE2021090A1 (de) | 1971-11-18 |
| GB1344924A (en) | 1974-01-23 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |