BE395554A - - Google Patents
Info
- Publication number
- BE395554A BE395554A BE395554DA BE395554A BE 395554 A BE395554 A BE 395554A BE 395554D A BE395554D A BE 395554DA BE 395554 A BE395554 A BE 395554A
- Authority
- BE
- Belgium
Links
Classifications
-
- 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
- H03D7/08—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 the same two electrodes
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/04—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for rails
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Induction Heating (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US604172A US1893813A (en) | 1932-04-09 | 1932-04-09 | Oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE395554A true BE395554A (en:Method) |
Family
ID=24418483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE395554D BE395554A (en:Method) | 1932-04-09 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US1893813A (en:Method) |
| BE (1) | BE395554A (en:Method) |
| DE (1) | DE749561C (en:Method) |
| FR (1) | FR754017A (en:Method) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1022272B (de) * | 1956-12-19 | 1958-01-09 | Telefunken Gmbh | Selbstschwingende Mischstufe mit Triode fuer hohe Frequenzen, insbesondere fuer die Fernsehbaender auf dem Dezimeterwellen-Gebiet |
-
0
- BE BE395554D patent/BE395554A/xx unknown
- FR FR754017D patent/FR754017A/fr not_active Expired
-
1932
- 1932-04-09 US US604172A patent/US1893813A/en not_active Expired - Lifetime
-
1933
- 1933-04-09 DE DEH135884D patent/DE749561C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US1893813A (en) | 1933-01-10 |
| FR754017A (en:Method) | 1933-10-30 |
| DE749561C (de) | 1944-12-09 |