NL45199C - - Google Patents
Info
- Publication number
- NL45199C NL45199C NL45199DA NL45199C NL 45199 C NL45199 C NL 45199C NL 45199D A NL45199D A NL 45199DA NL 45199 C NL45199 C NL 45199C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B15/00—Suppression or limitation of noise or interference
- H04B15/02—Reducing interference from electric apparatus by means located at or near the interfering apparatus
- H04B15/04—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder
- H04B15/06—Reducing interference from electric apparatus by means located at or near the interfering apparatus the interference being caused by substantially sinusoidal oscillations, e.g. in a receiver or in a tape-recorder by local oscillators of receivers
-
- 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)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Geophysics And Detection Of Objects (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US651755A US2034013A (en) | 1933-01-14 | 1933-01-14 | Oscillator modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL45199C true NL45199C (enrdf_load_html_response) |
Family
ID=24614104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL45199D NL45199C (enrdf_load_html_response) | 1933-01-14 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2034013A (enrdf_load_html_response) |
| BE (1) | BE400782A (enrdf_load_html_response) |
| DE (1) | DE971556C (enrdf_load_html_response) |
| FR (1) | FR766792A (enrdf_load_html_response) |
| GB (1) | GB408903A (enrdf_load_html_response) |
| NL (1) | NL45199C (enrdf_load_html_response) |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1558437A (en) * | 1913-10-29 | 1925-10-20 | Gen Electric | Electrical discharge apparatus |
| US1199180A (en) * | 1915-10-09 | 1916-09-26 | Western Electric Co | System for the transmission of intelligence. |
| AT87745B (de) * | 1916-05-31 | 1922-03-27 | Siemens Ag | Kathodenstrahlenrelais. |
| FR505897A (fr) * | 1916-06-21 | 1920-08-09 | Siemens Ag | Tube à vide avec fil incandescent et électrode auxiliaire servant à la commande du courant des électrons |
| DE383449C (de) * | 1919-08-14 | 1923-11-08 | John Scott Taggart | Empfangsanordnung fuer drahtlose Wellen unter Verwendung einer Roehre mit zwei Gittern und zwei mit je einem der Gitter verbundenen Steuerkreisen |
| FR40726E (fr) * | 1927-06-04 | 1932-08-22 | Tube électronique et ses divers schémas de montage | |
| BE352800A (enrdf_load_html_response) * | 1927-07-13 | |||
| FR648810A (fr) * | 1927-10-22 | 1928-12-14 | Tube électronique et ses divers schémas de montage | |
| FR655738A (fr) * | 1927-10-22 | 1929-04-23 | Perfectionnements aux dispositifs de changement de fréquence à tubes électroniques à plusieurs électrodes | |
| FR670731A (fr) * | 1929-03-04 | 1929-12-04 | Radio Sonore Et Hippolyte Shap | Procédé et montages pour mise en oeuvre de la méthode de réception par modulation |
| FR704534A (fr) * | 1930-01-17 | 1931-05-21 | Thomson Houston Comp Francaise | Perfectionnements aux lampes spéclales oscillatrices changeuses de fréquence |
| DE655254C (de) * | 1930-02-21 | 1938-01-12 | L L Von Kramolin | UEberlagerungsempfaenger mit einer Zwischenfrequenzbildung in einer Mehrgitterroehre |
| FR709196A (fr) * | 1930-04-11 | 1931-08-04 | Dispositif de poste à combinaisons multiples | |
| FR726537A (fr) * | 1931-01-22 | 1932-05-30 | Radiotechnique | Nouveaux modes de couplage des circuits dans les dispositifs destinés à changer lafréquence des signaux radioélectriques |
| DE744143C (de) * | 1932-06-05 | 1944-01-26 | Telefunken Gmbh | UEberlagerungsempfaenger mit einer Mehrgitter-Mischroehre |
| DE653317C (de) * | 1932-07-24 | 1937-11-20 | Telefunken Gmbh | Elektronenroehre mit Kathode, Anode und mindestens vier Gitterelektroden |
| FR684772A (fr) * | 1932-07-24 | 1930-07-01 | Perfectionnement aux appareils récepteurs radioélectriques | |
| DE667683C (de) * | 1932-10-16 | 1938-11-18 | Telefunken Gmbh | Elektronenroehre mit mindestens drei zwischen einer aeussersten Elektrode und der Kathode angeordneten Gittern |
-
0
- NL NL45199D patent/NL45199C/xx active
-
1933
- 1933-01-14 US US651755A patent/US2034013A/en not_active Expired - Lifetime
- 1933-11-11 GB GB31489/33A patent/GB408903A/en not_active Expired
-
1934
- 1934-01-09 FR FR766792D patent/FR766792A/fr not_active Expired
- 1934-01-09 BE BE400782D patent/BE400782A/xx unknown
- 1934-01-14 DE DEH7333D patent/DE971556C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR766792A (fr) | 1934-07-04 |
| BE400782A (enrdf_load_html_response) | 1934-02-28 |
| GB408903A (en) | 1934-04-19 |
| US2034013A (en) | 1936-03-17 |
| DE971556C (de) | 1959-02-19 |