NL74178C - - Google Patents
Info
- Publication number
- NL74178C NL74178C NL74178DA NL74178C NL 74178 C NL74178 C NL 74178C NL 74178D A NL74178D A NL 74178DA NL 74178 C NL74178 C NL 74178C
- Authority
- NL
- Netherlands
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/14—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles
- H03D1/16—Demodulation of amplitude-modulated oscillations by means of non-linear elements having more than two poles of discharge tubes
-
- 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
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/46—Reflex amplifiers
- H03F3/48—Reflex amplifiers with tubes only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
- H04L27/06—Demodulator circuits; Receiver circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US698484A US2597029A (en) | 1946-09-21 | 1946-09-21 | Superheterodyne radio receiver employing a multifunction tube |
| US55856A US2640917A (en) | 1946-09-21 | 1948-10-22 | Amplifier and receiver system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL74178C true NL74178C (fi) |
Family
ID=26734696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL74178D NL74178C (fi) | 1946-09-21 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US2640917A (fi) |
| BE (1) | BE481451A (fi) |
| CH (1) | CH267824A (fi) |
| FR (2) | FR953285A (fi) |
| GB (2) | GB642146A (fi) |
| NL (1) | NL74178C (fi) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2778932A (en) * | 1951-06-15 | 1957-01-22 | Admiral Corp | Reflex amplifier circuits |
| US3195069A (en) * | 1960-07-20 | 1965-07-13 | Itt | Signal generator having a controllable frequency characteristic |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1933976A (en) * | 1928-12-22 | 1933-11-07 | Wired Radio Inc | Integrating relay circuit |
| US2005789A (en) * | 1934-01-27 | 1935-06-25 | Rca Corp | One tube radioreceiver |
| US2297618A (en) * | 1938-07-20 | 1942-09-29 | Philco Radio & Television Corp | Remote control system |
| US2464259A (en) * | 1944-05-11 | 1949-03-15 | Sperry Corp | Pulse circuits |
-
0
- NL NL74178D patent/NL74178C/xx active
- BE BE481451D patent/BE481451A/xx unknown
-
1947
- 1947-09-19 GB GB25536/47A patent/GB642146A/en not_active Expired
- 1947-09-20 CH CH267824D patent/CH267824A/de unknown
- 1947-09-22 FR FR953285D patent/FR953285A/fr not_active Expired
-
1948
- 1948-10-22 US US55856A patent/US2640917A/en not_active Expired - Lifetime
-
1949
- 1949-08-26 GB GB22204/49A patent/GB662391A/en not_active Expired
- 1949-10-21 FR FR60730D patent/FR60730E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CH267824A (de) | 1950-04-15 |
| GB662391A (en) | 1951-12-05 |
| FR60730E (fr) | 1955-01-25 |
| GB642146A (en) | 1950-08-30 |
| BE481451A (fi) | |
| FR953285A (fr) | 1949-12-02 |
| US2640917A (en) | 1953-06-02 |