FR2188361B3 - - Google Patents
Info
- Publication number
- FR2188361B3 FR2188361B3 FR7313076A FR7313076A FR2188361B3 FR 2188361 B3 FR2188361 B3 FR 2188361B3 FR 7313076 A FR7313076 A FR 7313076A FR 7313076 A FR7313076 A FR 7313076A FR 2188361 B3 FR2188361 B3 FR 2188361B3
- 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
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722221403 DE2221403B1 (de) | 1972-05-02 | 1972-05-02 | Verfahren zur verringerung der feuchtigkeitsempfindlichkeit von oberflaechen eines festen laufzeitkoerpers einer ultraschallverzoegerungsleitung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2188361A3 FR2188361A3 (en) | 1974-01-18 |
| FR2188361B3 true FR2188361B3 (OSRAM) | 1974-07-05 |
Family
ID=5843817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7313076A Granted FR2188361A3 (en) | 1972-05-02 | 1973-04-11 | Epoxy resin coat - to protect a supersonic delay line body against moisture and temp sensitivity |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE2221403B1 (OSRAM) |
| FR (1) | FR2188361A3 (OSRAM) |
| NL (1) | NL7306106A (OSRAM) |
-
1972
- 1972-05-02 DE DE19722221403 patent/DE2221403B1/de not_active Ceased
-
1973
- 1973-04-11 FR FR7313076A patent/FR2188361A3/fr active Granted
- 1973-05-02 NL NL7306106A patent/NL7306106A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2221403A1 (OSRAM) | 1973-04-05 |
| NL7306106A (OSRAM) | 1973-11-06 |
| FR2188361A3 (en) | 1974-01-18 |
| DE2221403B1 (de) | 1973-04-05 |