NL61584C - - Google Patents
Info
- Publication number
- NL61584C NL61584C NL61584DA NL61584C NL 61584 C NL61584 C NL 61584C NL 61584D A NL61584D A NL 61584DA NL 61584 C NL61584 C NL 61584C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/50—Circuits using different frequencies for the two directions of communication
-
- 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
- H03D7/14—Balanced arrangements
- H03D7/1416—Balanced arrangements with discharge tubes having more than two electrodes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/44—Transmit/receive switching
- H04B1/46—Transmit/receive switching by voice-frequency signals; by pilot signals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
- Transceivers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL112335 | 1943-07-23 | ||
| NL118229 | 1944-07-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL61584C true NL61584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Family
ID=26641563
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67076D NL67076C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1943-07-23 | ||
| NL61584D NL61584C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1943-07-23 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL67076D NL67076C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1943-07-23 |
Country Status (7)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2625650A (en) * | 1948-10-16 | 1953-01-13 | Sperry Corp | Superregenerative apparatus |
| US2836663A (en) * | 1953-04-21 | 1958-05-27 | Motorola Inc | Radio-phonograph combination |
| US2886653A (en) * | 1953-08-31 | 1959-05-12 | Rca Corp | Amplitude modulated oscillator systems |
| US2813155A (en) * | 1954-02-23 | 1957-11-12 | Motorola Inc | Tone control for radio-phonograph combination |
| US2853559A (en) * | 1954-05-03 | 1958-09-23 | Underwood Corp | Signal transfer selector |
| US3624506A (en) * | 1970-03-23 | 1971-11-30 | John S Townsend | Two-way electronic frequency converter |
| JPS5279815A (en) * | 1975-12-26 | 1977-07-05 | Nec Corp | Transmitting and receiving circuit |
| GB2128851A (en) * | 1982-09-24 | 1984-05-02 | Jasco International | Radio communication systems |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR673968A (fr) * | 1929-04-24 | 1930-01-22 | Dispositif changeur de fréquence pour radiosignalisation | |
| US1769920A (en) * | 1929-04-30 | 1930-07-08 | Bell Telephone Labor Inc | Electrooptical transmission system |
| US1974184A (en) * | 1931-03-04 | 1934-09-18 | Rca Corp | Radio apparatus |
| FR733947A (fr) * | 1931-03-23 | 1932-10-13 | Marconi Wireless Telegraph Co | Perfectionnements aux systèmes amplificateurs thermo-électroniques et à leur application aux appareils récepteurs à haute fréquence |
| US1935316A (en) * | 1931-09-16 | 1933-11-14 | Bell Telephone Labor Inc | Detector |
| US2128422A (en) * | 1933-01-26 | 1938-08-30 | Rca Corp | Ultrashort wave circuit |
| US2018569A (en) * | 1933-06-17 | 1935-10-22 | Rca Corp | Radio signaling apparatus |
| BE406777A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1933-12-13 | |||
| US2205359A (en) * | 1938-06-24 | 1940-06-18 | Hygrade Sylvania Corp | Superheterodyne receiver |
| NL58997C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1940-05-30 | |||
| US2434474A (en) * | 1941-01-28 | 1948-01-13 | Hartford Nat Bank & Trust Co | Circuit arrangement for ultra short waves |
| US2296107A (en) * | 1941-05-09 | 1942-09-15 | Rca Corp | Ultra high frequency converter |
-
0
- BE BE466841D patent/BE466841A/xx unknown
- NL NL67076D patent/NL67076C/xx active
- NL NL61584D patent/NL61584C/xx active
- BE BE456891D patent/BE456891A/xx unknown
-
1944
- 1944-07-18 DE DEN2203D patent/DE869090C/de not_active Expired
- 1944-07-21 CH CH246395D patent/CH246395A/de unknown
- 1944-07-22 FR FR906033D patent/FR906033A/fr not_active Expired
-
1946
- 1946-07-20 US US685199A patent/US2505655A/en not_active Expired - Lifetime
- 1946-07-22 CH CH255008D patent/CH255008A/de unknown
- 1946-11-14 FR FR43762A patent/FR75251E/fr not_active Expired
- 1946-12-04 GB GB35947/46A patent/GB623069A/en not_active Expired
-
1947
- 1947-02-12 US US728143A patent/US2503782A/en not_active Expired - Lifetime
- 1947-03-26 GB GB8236/47A patent/GB628862A/en not_active Expired
-
1948
- 1948-10-23 DE DEP19319D patent/DE872235C/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE466841A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| US2503782A (en) | 1950-04-11 |
| CH255008A (de) | 1948-05-31 |
| GB623069A (en) | 1949-05-11 |
| FR75251E (fr) | 1961-10-04 |
| NL67076C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| GB628862A (en) | 1949-09-06 |
| US2505655A (en) | 1950-04-25 |
| CH246395A (de) | 1946-12-31 |
| BE456891A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | |
| DE869090C (de) | 1953-03-02 |
| FR906033A (fr) | 1945-12-20 |
| DE872235C (de) | 1953-03-30 |