CH246564A - Einrichtung zur drahtlosen mehrfachen Telephonie- und Zeichenübertragung im Gegensprechverkehr auf kurzen frequenzmodulierten Wellen. - Google Patents
Einrichtung zur drahtlosen mehrfachen Telephonie- und Zeichenübertragung im Gegensprechverkehr auf kurzen frequenzmodulierten Wellen.Info
- Publication number
- CH246564A CH246564A CH246564DA CH246564A CH 246564 A CH246564 A CH 246564A CH 246564D A CH246564D A CH 246564DA CH 246564 A CH246564 A CH 246564A
- Authority
- CH
- Switzerland
- Prior art keywords
- way communication
- wireless multiple
- modulated waves
- character transmission
- short frequency
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/20—Frequency-division multiplex systems in which at least one carrier is angle-modulated
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH246564T | 1945-09-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH246564A true CH246564A (de) | 1947-01-15 |
Family
ID=4523030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH246564D CH246564A (de) | 1945-09-21 | 1945-09-21 | Einrichtung zur drahtlosen mehrfachen Telephonie- und Zeichenübertragung im Gegensprechverkehr auf kurzen frequenzmodulierten Wellen. |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH246564A (de) |
| DE (1) | DE911146C (de) |
| GB (1) | GB605396A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE868462C (de) * | 1951-02-15 | 1953-02-26 | Erich Rode | Methode zur UEbertragung einer oder gleichzeitig mehrerer Nachrichten auf einer Traegerfrequenz |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4280020A (en) | 1979-01-09 | 1981-07-21 | Essex County Council | Radio telephone system with direct digital carrier modulation for data transmission |
-
1945
- 1945-09-21 CH CH246564D patent/CH246564A/de unknown
- 1945-12-21 GB GB34691/45A patent/GB605396A/en not_active Expired
-
1949
- 1949-01-01 DE DEP28990D patent/DE911146C/de not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE868462C (de) * | 1951-02-15 | 1953-02-26 | Erich Rode | Methode zur UEbertragung einer oder gleichzeitig mehrerer Nachrichten auf einer Traegerfrequenz |
Also Published As
| Publication number | Publication date |
|---|---|
| GB605396A (en) | 1948-07-22 |
| DE911146C (de) | 1954-05-10 |
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