FR951003A - Systèmes de modulation d'impulsions pour radiocommunications - Google Patents
Systèmes de modulation d'impulsions pour radiocommunicationsInfo
- Publication number
- FR951003A FR951003A FR951003DA FR951003A FR 951003 A FR951003 A FR 951003A FR 951003D A FR951003D A FR 951003DA FR 951003 A FR951003 A FR 951003A
- Authority
- FR
- France
- Prior art keywords
- radio communications
- pulse modulation
- modulation systems
- systems
- pulse
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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)
- Amplifiers (AREA)
- Selective Calling Equipment (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 |
---|---|
FR951003A true FR951003A (fr) | 1949-10-13 |
Family
ID=23810687
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR951003D Expired FR951003A (fr) | 1942-08-24 | 1947-08-05 | Systèmes de modulation d'impulsions pour radiocommunications |
FR58652D Expired FR58652E (fr) | 1942-08-24 | 1947-08-05 | Systèmes de modulation d'impulsions pour radiocommunications |
FR64852D Expired FR64852E (fr) | 1942-08-24 | 1947-08-07 | Système de modulation d'impulsions pour radiocommunications |
FR64851D Expired FR64851E (fr) | 1942-08-24 | 1947-08-07 | Système de modulation d'impulsions pour radiocommunications |
FR65451D Expired FR65451E (fr) | 1942-08-24 | 1948-02-27 | Systèmes de modulation d'impulsions pour radiocommunications |
Family Applications After (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR58652D Expired FR58652E (fr) | 1942-08-24 | 1947-08-05 | Systèmes de modulation d'impulsions pour radiocommunications |
FR64852D Expired FR64852E (fr) | 1942-08-24 | 1947-08-07 | Système de modulation d'impulsions pour radiocommunications |
FR64851D Expired FR64851E (fr) | 1942-08-24 | 1947-08-07 | Système de modulation d'impulsions pour radiocommunications |
FR65451D Expired FR65451E (fr) | 1942-08-24 | 1948-02-27 | Systèmes de modulation d'impulsions pour radiocommunications |
Country Status (5)
Country | Link |
---|---|
US (1) | US2434936A (fr) |
BE (2) | BE474798A (fr) |
ES (1) | ES182397A1 (fr) |
FR (5) | FR951003A (fr) |
GB (1) | GB592584A (fr) |
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 (fr) * | 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 FR951003D patent/FR951003A/fr not_active Expired
- 1947-08-05 FR FR58652D patent/FR58652E/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 |
---|---|
FR58652E (fr) | 1954-03-02 |
BE474798A (fr) | |
US2434936A (en) | 1948-01-27 |
FR64851E (fr) | 1955-12-14 |
GB592584A (en) | 1947-09-23 |
BE479419A (fr) | |
FR64852E (fr) | 1955-12-14 |
ES182397A1 (es) | 1948-04-16 |
FR65451E (fr) | 1956-02-21 |
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