BE434401A - - Google Patents
Info
- Publication number
- BE434401A BE434401A BE434401DA BE434401A BE 434401 A BE434401 A BE 434401A BE 434401D A BE434401D A BE 434401DA BE 434401 A BE434401 A BE 434401A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/34—Negative-feedback-circuit arrangements with or without positive feedback
- H03F1/36—Negative-feedback-circuit arrangements with or without positive feedback in discharge-tube amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
- H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL211391X | 1938-05-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE434401A true BE434401A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=19778842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE434401D BE434401A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1938-05-17 |
Country Status (6)
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2452340A (en) * | 1941-01-29 | 1948-10-26 | Hartford Nat Bank & Trust Co | Radio receiver circuit arrangement |
| US2511107A (en) * | 1942-11-11 | 1950-06-13 | Philip H Greeley | Radio receiving circuit |
| BE467883A (fr) * | 1944-08-19 | 1947-03-12 | Philips Nv | Dispositif pour accorder simultanément plusieurs circuits oscillants |
-
0
- NL NL51550D patent/NL51550C/xx active
- BE BE434401D patent/BE434401A/xx unknown
-
1938
- 1938-12-16 US US246086A patent/US2200498A/en not_active Expired - Lifetime
-
1939
- 1939-05-15 CH CH211391D patent/CH211391A/de unknown
- 1939-05-16 DE DEN43250D patent/DE723507C/de not_active Expired
- 1939-05-16 FR FR854791D patent/FR854791A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR854791A (fr) | 1940-04-24 |
| DE723507C (de) | 1942-08-06 |
| CH211391A (de) | 1940-09-15 |
| US2200498A (en) | 1940-05-14 |
| NL51550C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |