BE393019A - - Google Patents
Info
- Publication number
- BE393019A BE393019A BE393019DA BE393019A BE 393019 A BE393019 A BE 393019A BE 393019D A BE393019D A BE 393019DA BE 393019 A BE393019 A BE 393019A
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
- H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
- H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
- H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US580871A US1962104A (en) | 1931-12-14 | 1931-12-14 | Radioreceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE393019A true BE393019A (de) |
Family
ID=24322916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE393019D BE393019A (de) | 1931-12-14 |
Country Status (5)
| Country | Link |
|---|---|
| US (2) | US1962104A (de) |
| BE (1) | BE393019A (de) |
| FR (2) | FR747556A (de) |
| GB (1) | GB392841A (de) |
| NL (2) | NL40380C (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL79820C (de) * | 1949-02-26 | |||
| GB698397A (en) * | 1951-07-02 | 1953-10-14 | Philips Electrical Ind Ltd | Improvements in or relating to superheterodyne receiving circuits |
| US2908869A (en) * | 1958-01-03 | 1959-10-13 | Avco Mfg Corp | Stable oscillator |
| US2986632A (en) * | 1959-03-17 | 1961-05-30 | Oak Mfg Co | Combined oscillator converter circuit for high frequencies |
-
0
- US US19765D patent/USRE19765E/en not_active Expired
- NL NL38048D patent/NL38048C/xx active
- NL NL40380D patent/NL40380C/xx active
- BE BE393019D patent/BE393019A/xx unknown
-
1931
- 1931-12-14 US US580871A patent/US1962104A/en not_active Expired - Lifetime
-
1932
- 1932-11-18 GB GB32625/32A patent/GB392841A/en not_active Expired
- 1932-12-14 FR FR747556D patent/FR747556A/fr not_active Expired
- 1932-12-14 FR FR747555D patent/FR747555A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL40380C (de) | |
| FR747556A (fr) | 1933-06-20 |
| US1962104A (en) | 1934-06-05 |
| FR747555A (fr) | 1933-06-20 |
| NL38048C (de) | |
| USRE19765E (en) | 1935-11-26 |
| GB392841A (en) | 1933-05-25 |