FR594839A - - Google Patents
Info
- Publication number
- FR594839A FR594839A FR594839DA FR594839A FR 594839 A FR594839 A FR 594839A FR 594839D A FR594839D A FR 594839DA FR 594839 A FR594839 A FR 594839A
- 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
- H03G—CONTROL OF AMPLIFICATION
- H03G5/00—Tone control or bandwidth control in amplifiers
- H03G5/02—Manually-operated control
- H03G5/04—Manually-operated control in untuned amplifiers
- H03G5/06—Manually-operated control in untuned amplifiers having discharge tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR30416T | 1925-03-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR594839A true FR594839A (de) | 1925-09-19 |
Family
ID=8668325
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR594839D Expired FR594839A (de) | 1925-03-12 | ||
| FR30416D Expired FR30416E (fr) | 1925-03-12 | 1925-03-12 | Dispositif destiné à améliorer la qualité des réceptions radiotéléphoniques |
| FR30418D Expired FR30418E (fr) | 1925-03-12 | 1925-03-27 | Dispositif destiné à améliorer la qualité des récepteurs radiotéléphoniques |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR30416D Expired FR30416E (fr) | 1925-03-12 | 1925-03-12 | Dispositif destiné à améliorer la qualité des réceptions radiotéléphoniques |
| FR30418D Expired FR30418E (fr) | 1925-03-12 | 1925-03-27 | Dispositif destiné à améliorer la qualité des récepteurs radiotéléphoniques |
Country Status (1)
| Country | Link |
|---|---|
| FR (3) | FR30416E (de) |
-
0
- FR FR594839D patent/FR594839A/fr not_active Expired
-
1925
- 1925-03-12 FR FR30416D patent/FR30416E/fr not_active Expired
- 1925-03-27 FR FR30418D patent/FR30418E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR30418E (fr) | 1926-05-08 |
| FR30416E (fr) | 1926-05-08 |