BE474952A - - Google Patents
Info
- Publication number
- BE474952A BE474952A BE474952DA BE474952A BE 474952 A BE474952 A BE 474952A BE 474952D A BE474952D A BE 474952DA BE 474952 A BE474952 A BE 474952A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B14/00—Transmission systems not characterised by the medium used for transmission
- H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K9/00—Demodulating pulses which have been modulated with a continuously-variable signal
- H03K9/08—Demodulating pulses which have been modulated with a continuously-variable signal of duration- or width-mudulated pulses or of duty-cycle modulated pulses
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Electrotherapy Devices (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Amplifiers (AREA)
- Radar Systems Or Details Thereof (AREA)
- Particle Accelerators (AREA)
- Manipulation Of Pulses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US547124A US2421025A (en) | 1944-07-29 | 1944-07-29 | Demodulator system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474952A true BE474952A (th) |
Family
ID=24183427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474952D BE474952A (th) | 1944-07-29 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2421025A (th) |
| BE (1) | BE474952A (th) |
| ES (1) | ES179746A1 (th) |
| FR (3) | FR57636E (th) |
| GB (2) | GB601128A (th) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE458361A (th) * | 1945-03-15 | |||
| US2570236A (en) * | 1945-04-28 | 1951-10-09 | Conrad H Hoeppner | Discriminator circuit |
| US2532338A (en) * | 1945-11-15 | 1950-12-05 | Columbia Broadcasting Syst Inc | Pulse communication system |
| US2605409A (en) * | 1946-03-27 | 1952-07-29 | Forbes Gordon Donald | Pulse narrowing circuit |
| US2462100A (en) * | 1946-04-18 | 1949-02-22 | Fed Telecomm Lab Inc | Demodulator system for time modulated pulses |
| US2529172A (en) * | 1948-12-30 | 1950-11-07 | Gen Electric | Pulse discriminating circuits |
| US2702853A (en) * | 1950-02-08 | 1955-02-22 | Gen Electric | Wave shaping circuits |
| FR1116169A (fr) * | 1953-11-04 | 1956-05-04 | Gen Electric Co Ltd | Circuit électrique à décrément stabilisé |
| BE562784A (th) * | 1956-11-30 | |||
| US4521736A (en) * | 1979-05-09 | 1985-06-04 | Ampex Corporation | Demodulator for pulse width modulated signals |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2181309A (en) * | 1935-04-09 | 1939-11-28 | Telefunken Gmbh | Electrical impulse segregation circuit |
| US2113214A (en) * | 1936-10-29 | 1938-04-05 | Rca Corp | Method of frequency or phase modulation |
| NL88393C (th) * | 1937-06-18 | |||
| US2359447A (en) * | 1942-06-20 | 1944-10-03 | Rca Corp | Electrical circuit |
| US2391776A (en) * | 1943-05-29 | 1945-12-25 | Rca Corp | Intelligence transmission system |
-
0
- BE BE474952D patent/BE474952A/xx unknown
-
1944
- 1944-07-29 US US547124A patent/US2421025A/en not_active Expired - Lifetime
-
1945
- 1945-06-01 GB GB13867/45A patent/GB601128A/en not_active Expired
- 1945-07-27 GB GB19333/45A patent/GB601135A/en not_active Expired
-
1947
- 1947-08-06 FR FR57636D patent/FR57636E/fr not_active Expired
- 1947-08-06 FR FR951329D patent/FR951329A/fr not_active Expired
- 1947-08-06 FR FR57637D patent/FR57637E/fr not_active Expired
- 1947-09-16 ES ES0179746A patent/ES179746A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ES179746A1 (es) | 1947-11-01 |
| GB601128A (en) | 1948-04-28 |
| FR57636E (fr) | 1953-03-17 |
| FR57637E (fr) | 1953-03-17 |
| US2421025A (en) | 1947-05-27 |
| FR951329A (fr) | 1949-10-29 |
| GB601135A (en) | 1948-04-28 |