FR2135623B1 - - Google Patents
Info
- Publication number
- FR2135623B1 FR2135623B1 FR7215879A FR7215879A FR2135623B1 FR 2135623 B1 FR2135623 B1 FR 2135623B1 FR 7215879 A FR7215879 A FR 7215879A FR 7215879 A FR7215879 A FR 7215879A FR 2135623 B1 FR2135623 B1 FR 2135623B1
- 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
- H03H9/02—Details
- H03H9/02535—Details of surface acoustic wave devices
- H03H9/0296—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties
- H03H9/02976—Surface acoustic wave [SAW] devices having both acoustic and non-acoustic properties with semiconductor devices
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F13/00—Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers, e.g. telephone-microphone amplifier
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1756371A GB1320848A (en) | 1970-05-29 | 1971-05-05 | Multiple head extrusion device and a method of controlling such device |
GB1312571 | 1971-05-05 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2135623A1 FR2135623A1 (ja) | 1972-12-22 |
FR2135623B1 true FR2135623B1 (ja) | 1973-07-13 |
Family
ID=26249577
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7215879A Expired FR2135623B1 (ja) | 1971-05-05 | 1972-05-04 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2135623B1 (ja) |
-
1972
- 1972-05-04 FR FR7215879A patent/FR2135623B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2135623A1 (ja) | 1972-12-22 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |