BE427605A - - Google Patents
Info
- Publication number
- BE427605A BE427605A BE427605DA BE427605A BE 427605 A BE427605 A BE 427605A BE 427605D A BE427605D A BE 427605DA BE 427605 A BE427605 A BE 427605A
- Authority
- BE
- Belgium
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)
- 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 |
|---|---|
| BE427605A true BE427605A (en)van) |
Family
ID=5793386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE427605D BE427605A (en)van) | 1937-05-13 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2195294A (en)van) |
| BE (1) | BE427605A (en)van) |
| CH (1) | CH206857A (en)van) |
| FR (1) | FR837849A (en)van) |
| GB (1) | GB499114A (en)van) |
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 |
|---|---|
| CH206857A (de) | 1939-08-31 |
| GB499114A (en) | 1939-01-18 |
| FR837849A (fr) | 1939-02-21 |
| US2195294A (en) | 1940-03-26 |