CH208098A - Trägerstromübertragungsanlage. - Google Patents
Trägerstromübertragungsanlage.Info
- Publication number
- CH208098A CH208098A CH208098DA CH208098A CH 208098 A CH208098 A CH 208098A CH 208098D A CH208098D A CH 208098DA CH 208098 A CH208098 A CH 208098A
- Authority
- CH
- Switzerland
- Prior art keywords
- transmission system
- current transmission
- carrier current
- carrier
- transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/10—Intermediate station arrangements, e.g. for branching, for tapping-off
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/546—Combination of signalling, telemetering, protection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/58—Repeater circuits
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J1/00—Frequency-division multiplex systems
- H04J1/02—Details
- H04J1/04—Frequency-transposition arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Selective Calling Equipment (AREA)
- Radio Relay Systems (AREA)
- Interconnected Communication Systems, Intercoms, And Interphones (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEA77458D DE722815C (de) | 1935-10-27 | 1935-10-27 | Traegerstromtelefoniesystem mit zwei Traegerstroemen und Zwischenverstaerkerstationen |
DEA81940D DE765208C (de) | 1935-10-27 | 1937-02-07 | Traegerfrequenztelephoniesystem mit zwei Traegerfrequenzen und Zwischenverstaerkern und Zwischenverstaerkern |
Publications (1)
Publication Number | Publication Date |
---|---|
CH208098A true CH208098A (de) | 1939-12-31 |
Family
ID=5794049
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH208098D CH208098A (de) | 1935-10-27 | 1939-01-23 | Trägerstromübertragungsanlage. |
CH218826D CH218826A (de) | 1935-10-27 | 1939-04-05 | Trägerstromübertragungsanlage. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH218826D CH218826A (de) | 1935-10-27 | 1939-04-05 | Trägerstromübertragungsanlage. |
Country Status (3)
Country | Link |
---|---|
CH (2) | CH208098A (de) |
DE (3) | DE722815C (de) |
FR (4) | FR812233A (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE899957C (de) * | 1939-06-30 | 1953-12-17 | Aeg | Anordnung zur Traegerstromuebertragung ueber die Fahrdrahtleitungen im elektrischen Bahnbetrieb |
DE963965C (de) * | 1948-10-02 | 1957-05-16 | Siemens Ag | Schaltungsanordnung fuer Traegerfrequenz-Fernsprechanlagen |
DE900708C (de) * | 1949-05-29 | 1954-01-04 | Mix & Genest Akt Ges | Hochfrequenztelefonieuebertragungssystem fuer Hochspannungsleitungen |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR659308A (fr) * | 1930-04-12 | 1929-06-27 | Thomson Houston Comp Francaise | Perfectionnements aux systèmes de commande à distance de relais par courants porteurs |
DE667851C (de) * | 1930-08-09 | 1938-11-21 | Siemens Ag | Verfahren zur UEbertragung von Fernsteuer- oder Fernmessimpulsen im Kraftwerksbetriebe |
FR782747A (fr) * | 1933-12-15 | 1935-06-11 | Lorenz C Ag | Procédé de transmission de signaux, de la parole ou autres, par câbles, à l'aidede courants à haute fréquence |
-
1935
- 1935-10-27 DE DEA77458D patent/DE722815C/de not_active Expired
-
1936
- 1936-10-10 FR FR812233D patent/FR812233A/fr not_active Expired
- 1936-11-22 DE DE1936A0081156 patent/DE751668C/de not_active Expired
-
1937
- 1937-02-07 DE DEA81940D patent/DE765208C/de not_active Expired
-
1938
- 1938-02-04 FR FR833156D patent/FR833156A/fr not_active Expired
-
1939
- 1939-01-21 FR FR50183D patent/FR50183E/fr not_active Expired
- 1939-01-23 CH CH208098D patent/CH208098A/de unknown
- 1939-04-05 CH CH218826D patent/CH218826A/de unknown
- 1939-04-05 FR FR51451D patent/FR51451E/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR51451E (fr) | 1942-08-12 |
DE722815C (de) | 1942-07-22 |
DE765208C (de) | 1953-06-08 |
DE751668C (de) | 1953-06-08 |
FR833156A (fr) | 1938-10-13 |
FR812233A (fr) | 1937-05-03 |
FR50183E (fr) | 1939-01-17 |
CH218826A (de) | 1941-12-31 |
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