BE468413A - - Google Patents
Info
- Publication number
- BE468413A BE468413A BE468413DA BE468413A BE 468413 A BE468413 A BE 468413A BE 468413D A BE468413D A BE 468413DA BE 468413 A BE468413 A BE 468413A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G1/00—Details of arrangements for controlling amplification
- H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
- H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements
- H03G1/0041—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements using thermistors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB263811X | 1939-10-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE468413A true BE468413A (forum.php) |
Family
ID=10242750
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE468413D BE468413A (forum.php) | 1939-10-24 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE468413A (forum.php) |
| CH (1) | CH263811A (forum.php) |
| FR (1) | FR932823A (forum.php) |
| GB (1) | GB535907A (forum.php) |
-
0
- BE BE468413D patent/BE468413A/xx unknown
-
1939
- 1939-10-24 GB GB28599/39A patent/GB535907A/en not_active Expired
-
1946
- 1946-08-27 FR FR932823D patent/FR932823A/fr not_active Expired
- 1946-10-23 CH CH263811D patent/CH263811A/fr unknown
Also Published As
| Publication number | Publication date |
|---|---|
| CH263811A (fr) | 1949-09-15 |
| FR932823A (fr) | 1948-04-02 |
| GB535907A (en) | 1941-04-25 |