FR2290785B1 - - Google Patents
Info
- Publication number
- FR2290785B1 FR2290785B1 FR7439574A FR7439574A FR2290785B1 FR 2290785 B1 FR2290785 B1 FR 2290785B1 FR 7439574 A FR7439574 A FR 7439574A FR 7439574 A FR7439574 A FR 7439574A FR 2290785 B1 FR2290785 B1 FR 2290785B1
- 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 devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/64—Filters using surface acoustic waves
- H03H9/6423—Means for obtaining a particular transfer characteristic
- H03H9/643—Means for obtaining a particular transfer characteristic the transfer characteristic being determined by reflective or coupling array characteristics
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aerials With Secondary Devices (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7439574A FR2290785A1 (fr) | 1974-11-06 | 1974-11-06 | Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7439574A FR2290785A1 (fr) | 1974-11-06 | 1974-11-06 | Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2290785A1 FR2290785A1 (fr) | 1976-06-04 |
FR2290785B1 true FR2290785B1 (fr) | 1978-11-24 |
Family
ID=9145509
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7439574A Granted FR2290785A1 (fr) | 1974-11-06 | 1974-11-06 | Reflecteur d'ondes elastiques de surface et filtres comprenant un tel reflecteur |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2290785A1 (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0034851B1 (fr) * | 1980-02-21 | 1985-06-05 | Philips Electronics Uk Limited | Filtres électriques passe-bande à ondes acoustiques de surface |
US4369390A (en) * | 1981-01-30 | 1983-01-18 | Texas Instruments Incorporated | Symmetric beam width compression multistrip coupler |
GB2149253A (en) * | 1983-10-31 | 1985-06-05 | Philips Electronic Associated | Surface acoustic wave device |
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1974
- 1974-11-06 FR FR7439574A patent/FR2290785A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2290785A1 (fr) | 1976-06-04 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property |