BE474798A - - Google Patents
Info
- Publication number
- BE474798A BE474798A BE474798DA BE474798A BE 474798 A BE474798 A BE 474798A BE 474798D A BE474798D A BE 474798DA BE 474798 A BE474798 A BE 474798A
- 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
- H04B14/026—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse time characteristics modulation, e.g. width, position, interval
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplitude Modulation (AREA)
- Selective Calling Equipment (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US455898A US2434936A (en) | 1942-08-24 | 1942-08-24 | Modulation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474798A true BE474798A (pt) |
Family
ID=23810687
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479419D BE479419A (pt) | 1942-08-24 | ||
| BE474798D BE474798A (pt) | 1942-08-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE479419D BE479419A (pt) | 1942-08-24 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2434936A (pt) |
| BE (2) | BE474798A (pt) |
| ES (1) | ES182397A1 (pt) |
| FR (5) | FR58652E (pt) |
| GB (1) | GB592584A (pt) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2578939A (en) * | 1948-03-01 | 1951-12-18 | Moran Instr Corp | Telemetering |
| US2572900A (en) * | 1948-03-22 | 1951-10-30 | Motorola Inc | Audio compression system |
| US2550878A (en) * | 1948-11-19 | 1951-05-01 | Hans H Staub | Pulsing circuit |
| US3063053A (en) * | 1957-03-29 | 1962-11-06 | Sun Oil Co | Seismic recording and reproducing methods, apparatus and records |
| US3225309A (en) * | 1963-12-05 | 1965-12-21 | John H Phelps | Pulse wave generator with independent control of pulse repetition frequency and duty cycle |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1655543A (en) * | 1924-04-18 | 1928-01-10 | Western Electric Co | Transmission system |
| US2061734A (en) * | 1934-09-29 | 1936-11-24 | Rca Corp | Signaling system |
| US2086918A (en) * | 1935-08-22 | 1937-07-13 | Rca Corp | Method of frequency or phase modulation |
| US2105538A (en) * | 1936-04-29 | 1938-01-18 | Rca Corp | Reduction of noise |
| US2113214A (en) * | 1936-10-29 | 1938-04-05 | Rca Corp | Method of frequency or phase modulation |
| NL220878A (pt) * | 1938-02-16 | |||
| US2227596A (en) * | 1938-03-31 | 1941-01-07 | Rca Corp | Signaling system |
| US2280707A (en) * | 1940-05-31 | 1942-04-21 | Rca Corp | Apparatus for and method of frequency modulating |
| US2266541A (en) * | 1940-10-02 | 1941-12-16 | Rca Corp | Limiter output control |
-
0
- BE BE479419D patent/BE479419A/xx unknown
- BE BE474798D patent/BE474798A/xx unknown
-
1942
- 1942-08-24 US US455898A patent/US2434936A/en not_active Expired - Lifetime
-
1944
- 1944-06-05 GB GB10821/44A patent/GB592584A/en not_active Expired
-
1947
- 1947-08-05 FR FR58652D patent/FR58652E/fr not_active Expired
- 1947-08-05 FR FR951003D patent/FR951003A/fr not_active Expired
- 1947-08-07 FR FR64852D patent/FR64852E/fr not_active Expired
- 1947-08-07 FR FR64851D patent/FR64851E/fr not_active Expired
-
1948
- 1948-02-16 ES ES0182397A patent/ES182397A1/es not_active Expired
- 1948-02-27 FR FR65451D patent/FR65451E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR951003A (fr) | 1949-10-13 |
| GB592584A (en) | 1947-09-23 |
| ES182397A1 (es) | 1948-04-16 |
| FR65451E (fr) | 1956-02-21 |
| FR58652E (fr) | 1954-03-02 |
| FR64852E (fr) | 1955-12-14 |
| US2434936A (en) | 1948-01-27 |
| BE479419A (pt) | |
| FR64851E (fr) | 1955-12-14 |