FR649493A - Perfectionnements aux transmetteurs radio-télégraphiques - Google Patents
Perfectionnements aux transmetteurs radio-télégraphiquesInfo
- Publication number
- FR649493A FR649493A FR649493DA FR649493A FR 649493 A FR649493 A FR 649493A FR 649493D A FR649493D A FR 649493DA FR 649493 A FR649493 A FR 649493A
- Authority
- FR
- France
- Prior art keywords
- radio
- telegraph transmitters
- telegraph
- transmitters
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Particle Accelerators (AREA)
- Amplifiers (AREA)
- Control Of Voltage And Current In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US167568A US1674505A (en) | 1927-02-11 | 1927-02-11 | Telegraphic transmitter |
Publications (1)
Publication Number | Publication Date |
---|---|
FR649493A true FR649493A (fr) | 1928-12-22 |
Family
ID=22607889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR649493D Expired FR649493A (fr) | 1927-02-11 | 1928-02-11 | Perfectionnements aux transmetteurs radio-télégraphiques |
Country Status (5)
Country | Link |
---|---|
US (1) | US1674505A (it) |
DE (1) | DE476062C (it) |
FR (1) | FR649493A (it) |
GB (1) | GB285357A (it) |
NL (1) | NL23503C (it) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2780705A (en) * | 1954-11-19 | 1957-02-05 | Resdel Engineering Corp | Dielectric heater |
-
0
- NL NL23503D patent/NL23503C/xx active
-
1927
- 1927-02-11 US US167568A patent/US1674505A/en not_active Expired - Lifetime
-
1928
- 1928-01-13 DE DEI33180D patent/DE476062C/de not_active Expired
- 1928-02-11 FR FR649493D patent/FR649493A/fr not_active Expired
- 1928-02-13 GB GB4539/28A patent/GB285357A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE476062C (de) | 1929-05-11 |
NL23503C (it) | |
GB285357A (en) | 1928-06-21 |
US1674505A (en) | 1928-06-19 |
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