BE472309A - - Google Patents
Info
- Publication number
- BE472309A BE472309A BE472309DA BE472309A BE 472309 A BE472309 A BE 472309A BE 472309D A BE472309D A BE 472309DA BE 472309 A BE472309 A BE 472309A
- 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
- H03D7/10—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
-
- 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
- H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
- H03B21/01—Generation of oscillations by combining unmodulated signals of different frequencies by beating unmodulated signals of different frequencies
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Particle Accelerators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL258997X | 1944-09-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE472309A true BE472309A (US07608600-20091027-C00054.png) |
Family
ID=19781426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE472309D BE472309A (US07608600-20091027-C00054.png) | 1944-09-02 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2611093A (US07608600-20091027-C00054.png) |
| BE (1) | BE472309A (US07608600-20091027-C00054.png) |
| CH (1) | CH258997A (US07608600-20091027-C00054.png) |
| FR (1) | FR947282A (US07608600-20091027-C00054.png) |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1564627A (en) * | 1920-03-31 | 1925-12-08 | Rca Corp | Wireless telegraph and telephone transmission |
| US1912234A (en) * | 1929-01-08 | 1933-05-30 | John A Willoughby | Radio direction finder |
| NL54608C (US07608600-20091027-C00054.png) * | 1937-07-10 | |||
| US2173164A (en) * | 1937-08-14 | 1939-09-19 | Rca Corp | Signaling apparatus |
| US2258877A (en) * | 1939-01-26 | 1941-10-14 | Alfred W Barber | Electrical circuit damping |
| US2401945A (en) * | 1941-03-27 | 1946-06-11 | Rca Corp | Frequency multiplier |
| US2445584A (en) * | 1942-04-13 | 1948-07-20 | Gen Electric | Pulse receiving system |
| US2408821A (en) * | 1942-07-30 | 1946-10-08 | Sperry Gryoscope Company Inc | Automatic volume control |
| US2416367A (en) * | 1942-07-30 | 1947-02-25 | Standard Telephones Cables Ltd | Pulse generating system |
| US2408858A (en) * | 1943-11-29 | 1946-10-08 | Rca Corp | Adjustment and testing of crystal rectifiers |
| US2432180A (en) * | 1943-12-24 | 1947-12-09 | Rca Corp | Radio pulse-echo system |
| US2504636A (en) * | 1944-07-15 | 1950-04-18 | Philco Corp | Superregenerative receiver circuit |
-
0
- BE BE472309D patent/BE472309A/xx unknown
-
1947
- 1947-02-14 US US728711A patent/US2611093A/en not_active Expired - Lifetime
- 1947-04-01 CH CH258997D patent/CH258997A/de unknown
- 1947-05-28 FR FR947282D patent/FR947282A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH258997A (de) | 1948-12-31 |
| FR947282A (fr) | 1949-06-28 |
| US2611093A (en) | 1952-09-16 |
