BE477322A - - Google Patents
Info
- Publication number
- BE477322A BE477322A BE477322DA BE477322A BE 477322 A BE477322 A BE 477322A BE 477322D A BE477322D A BE 477322DA BE 477322 A BE477322 A BE 477322A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
- H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
- H03C1/56—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only
- H03C1/58—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising variable two-pole elements only comprising diodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q1/00—Details of selecting apparatus or arrangements
- H04Q1/18—Electrical details
- H04Q1/30—Signalling arrangements; Manipulation of signalling currents
- H04Q1/38—Signalling arrangements; Manipulation of signalling currents using combinations of direct currents of different amplitudes or polarities over line conductors or combination of line conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Generation Of Surge Voltage And Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL654159X | 1945-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE477322A true BE477322A (cs) |
Family
ID=19795173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE477322D BE477322A (cs) | 1945-12-18 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE477322A (cs) |
| FR (1) | FR58660E (cs) |
| GB (1) | GB654159A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1240947B (de) * | 1962-09-12 | 1967-05-24 | Siemens Ag | Modulatorschaltungsanordnung zur Eintastung von Wahlfrequenzen in Nachrichten-uebertragungssysteme |
-
0
- BE BE477322D patent/BE477322A/xx unknown
-
1947
- 1947-09-12 GB GB25061/47A patent/GB654159A/en not_active Expired
- 1947-12-30 FR FR58660D patent/FR58660E/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR58660E (fr) | 1954-03-02 |
| GB654159A (en) | 1951-06-06 |