BE454882A - - Google Patents
Info
- Publication number
- BE454882A BE454882A BE454882DA BE454882A BE 454882 A BE454882 A BE 454882A BE 454882D A BE454882D A BE 454882DA BE 454882 A BE454882 A BE 454882A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/86—Arrangements characterised by the broadcast information itself
- H04H20/88—Stereophonic broadcast systems
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/02—Manually-operated control
- H03G3/04—Manually-operated control in untuned amplifiers
- H03G3/06—Manually-operated control in untuned amplifiers having discharge tubes
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03G—CONTROL OF AMPLIFICATION
- H03G3/00—Gain control in amplifiers or frequency changers without distortion of the input signal
- H03G3/20—Automatic control
- H03G3/22—Automatic control in amplifiers having discharge tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL253133X | 1943-03-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE454882A true BE454882A (xx) |
Family
ID=19781191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE454882D BE454882A (xx) | 1943-03-19 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE454882A (xx) |
| CH (1) | CH253133A (xx) |
| DE (1) | DE887522C (xx) |
| FR (1) | FR902790A (xx) |
| GB (1) | GB625914A (xx) |
| NL (1) | NL63029C (xx) |
-
0
- BE BE454882D patent/BE454882A/xx unknown
- NL NL63029D patent/NL63029C/xx active
-
1944
- 1944-03-17 FR FR902790D patent/FR902790A/fr not_active Expired
- 1944-03-18 DE DEN2231D patent/DE887522C/de not_active Expired
- 1944-06-22 CH CH253133D patent/CH253133A/de unknown
-
1946
- 1946-09-18 GB GB28011/46A patent/GB625914A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE887522C (de) | 1953-08-24 |
| CH253133A (de) | 1948-02-15 |
| FR902790A (fr) | 1945-09-12 |
| NL63029C (xx) | |
| GB625914A (en) | 1949-07-06 |