FR745479A - - Google Patents
Info
- Publication number
- FR745479A FR745479A FR745479DA FR745479A FR 745479 A FR745479 A FR 745479A FR 745479D A FR745479D A FR 745479DA FR 745479 A FR745479 A FR 745479A
- 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
- H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Non-Reversible Transmitting Devices (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3125631A GB391880A (en) | 1931-11-11 | 1931-11-11 | Improvements in or relating to constant frequency periodic devices for use in connection with electrical high frequency oscillators, radio transmitters and the like |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR745479A true FR745479A (de) | 1933-05-10 |
Family
ID=10320371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR745479D Expired FR745479A (de) | 1931-11-11 |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR745479A (de) |
| GB (1) | GB391880A (de) |
-
0
- FR FR745479D patent/FR745479A/fr not_active Expired
-
1931
- 1931-11-11 GB GB3125631A patent/GB391880A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB391880A (en) | 1933-05-11 |