FR931018A - Perfectionnements aux systèmes de modulation d'ondes électriques entretenues - Google Patents
Perfectionnements aux systèmes de modulation d'ondes électriques entretenuesInfo
- Publication number
- FR931018A FR931018A FR931018DA FR931018A FR 931018 A FR931018 A FR 931018A FR 931018D A FR931018D A FR 931018DA FR 931018 A FR931018 A FR 931018A
- Authority
- FR
- France
- Prior art keywords
- modulation systems
- modulation
- systems
- 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
- 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
- H04L27/04—Modulator circuits; Transmitter circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/78—Generating a single train of pulses having a predetermined pattern, e.g. a predetermined number
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Processing Of Color Television Signals (AREA)
- Electrophonic Musical Instruments (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1217/45A GB584642A (en) | 1945-01-15 | 1945-01-15 | Improvements in or relating to arrangements for modulating continuous electric waves |
Publications (1)
Publication Number | Publication Date |
---|---|
FR931018A true FR931018A (fr) | 1948-02-11 |
Family
ID=9718164
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR931018D Expired FR931018A (fr) | 1945-01-15 | 1946-06-07 | Perfectionnements aux systèmes de modulation d'ondes électriques entretenues |
Country Status (5)
Country | Link |
---|---|
US (1) | US2498689A (fr) |
BE (1) | BE476631A (fr) |
ES (1) | ES178083A1 (fr) |
FR (1) | FR931018A (fr) |
GB (1) | GB584642A (fr) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3022418A (en) * | 1957-07-31 | 1962-02-20 | Ca Nat Research Council | Electronic control circuit |
US3614667A (en) * | 1964-03-19 | 1971-10-19 | Itek Corp | Switchable and modulatory crystal oscillator |
DE10256944A1 (de) * | 2002-12-05 | 2004-06-24 | Enocean Gmbh | Abgleichfreier HF-Oszillator |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2419292A (en) * | 1947-04-22 | System fob transmitting two | ||
US1507016A (en) * | 1915-09-23 | 1924-09-02 | Forest Radio Telephone And Tel | Radiosignaling system |
US1948103A (en) * | 1929-07-23 | 1934-02-20 | Rca Corp | Signaling |
US2036078A (en) * | 1935-04-13 | 1936-03-31 | Bell Telephone Labor Inc | Generator of interrupted wave |
US2338395A (en) * | 1940-06-25 | 1944-01-04 | Gen Electric | Signal transmission system |
US2431179A (en) * | 1942-10-03 | 1947-11-18 | Rca Corp | Multitube self-pulsing oscillator |
US2435262A (en) * | 1944-01-26 | 1948-02-03 | Bell Telephone Labor Inc | Self-modulated oscillator |
-
0
- BE BE476631D patent/BE476631A/xx unknown
-
1945
- 1945-01-15 GB GB1217/45A patent/GB584642A/en not_active Expired
-
1946
- 1946-01-05 US US639288A patent/US2498689A/en not_active Expired - Lifetime
- 1946-06-07 FR FR931018D patent/FR931018A/fr not_active Expired
-
1947
- 1947-05-17 ES ES0178083A patent/ES178083A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE476631A (fr) | |
GB584642A (en) | 1947-01-20 |
US2498689A (en) | 1950-02-28 |
ES178083A1 (es) | 1947-07-01 |
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