FR40328E - Improvements to telegraphy and wireless telephony transmitters - Google Patents
Improvements to telegraphy and wireless telephony transmittersInfo
- Publication number
- FR40328E FR40328E FR40328DA FR40328E FR 40328 E FR40328 E FR 40328E FR 40328D A FR40328D A FR 40328DA FR 40328 E FR40328 E FR 40328E
- Authority
- FR
- France
- Prior art keywords
- telegraphy
- wireless telephony
- transmitters
- telephony transmitters
- wireless
- 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
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
- H03C5/02—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal by means of transit-time tube
- H03C5/04—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal by means of transit-time tube the tube being a magnetron
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US685268XA | 1928-11-20 | 1928-11-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR40328E true FR40328E (en) | 1932-06-09 |
Family
ID=22083137
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR685268D Expired FR685268A (en) | 1928-11-20 | 1929-11-20 | Improvements to telegraphy and wireless telephony transmitters |
FR40328D Expired FR40328E (en) | 1928-11-20 | 1931-05-27 | Improvements to telegraphy and wireless telephony transmitters |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR685268D Expired FR685268A (en) | 1928-11-20 | 1929-11-20 | Improvements to telegraphy and wireless telephony transmitters |
Country Status (1)
Country | Link |
---|---|
FR (2) | FR685268A (en) |
-
1929
- 1929-11-20 FR FR685268D patent/FR685268A/en not_active Expired
-
1931
- 1931-05-27 FR FR40328D patent/FR40328E/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR685268A (en) | 1930-07-08 |
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