GB499114A - Improvements in or relating to alternating current telegraphy systems - Google Patents
Improvements in or relating to alternating current telegraphy systemsInfo
- Publication number
- GB499114A GB499114A GB14319/38A GB1431938A GB499114A GB 499114 A GB499114 A GB 499114A GB 14319/38 A GB14319/38 A GB 14319/38A GB 1431938 A GB1431938 A GB 1431938A GB 499114 A GB499114 A GB 499114A
- Authority
- GB
- United Kingdom
- Prior art keywords
- rectifiers
- series
- shunt
- amplitude
- network
- 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
- 238000004804 winding Methods 0.000 abstract 4
- 230000005540 biological transmission Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 1
- 230000004048 modification Effects 0.000 abstract 1
- 238000010079 rubber tapping Methods 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
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)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Rectifiers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE206857X | 1937-05-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB499114A true GB499114A (en) | 1939-01-18 |
Family
ID=5793386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14319/38A Expired GB499114A (en) | 1937-05-13 | 1938-05-13 | Improvements in or relating to alternating current telegraphy systems |
Country Status (5)
Country | Link |
---|---|
US (1) | US2195294A (enrdf_load_stackoverflow) |
BE (1) | BE427605A (enrdf_load_stackoverflow) |
CH (1) | CH206857A (enrdf_load_stackoverflow) |
FR (1) | FR837849A (enrdf_load_stackoverflow) |
GB (1) | GB499114A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2822421A (en) * | 1952-10-16 | 1958-02-04 | Int Standard Electric Corp | Modulator for voice frequency telegraph systems |
-
0
- BE BE427605D patent/BE427605A/xx unknown
-
1938
- 1938-05-07 CH CH206857D patent/CH206857A/de unknown
- 1938-05-12 FR FR837849D patent/FR837849A/fr not_active Expired
- 1938-05-13 US US207686A patent/US2195294A/en not_active Expired - Lifetime
- 1938-05-13 GB GB14319/38A patent/GB499114A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR837849A (fr) | 1939-02-21 |
CH206857A (de) | 1939-08-31 |
US2195294A (en) | 1940-03-26 |
BE427605A (enrdf_load_stackoverflow) |
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