SE7613470L - CONVERTER FROM TWO LINED TO LIQUID - Google Patents
CONVERTER FROM TWO LINED TO LIQUIDInfo
- Publication number
- SE7613470L SE7613470L SE7613470A SE7613470A SE7613470L SE 7613470 L SE7613470 L SE 7613470L SE 7613470 A SE7613470 A SE 7613470A SE 7613470 A SE7613470 A SE 7613470A SE 7613470 L SE7613470 L SE 7613470L
- Authority
- SE
- Sweden
- Prior art keywords
- lined
- converter
- liquid
- Prior art date
Links
Classifications
-
- 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
- H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
- H04B1/583—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using a bridge network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Devices For Supply Of Signal Current (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Interface Circuits In Exchanges (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB49303/75A GB1572595A (en) | 1975-12-01 | 1975-12-01 | Two-wire to four-wire converters |
Publications (1)
Publication Number | Publication Date |
---|---|
SE7613470L true SE7613470L (en) | 1977-06-02 |
Family
ID=10451889
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7613470A SE7613470L (en) | 1975-12-01 | 1976-12-01 | CONVERTER FROM TWO LINED TO LIQUID |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS5284907A (en) |
DE (1) | DE2654495A1 (en) |
GB (1) | GB1572595A (en) |
NL (1) | NL7613299A (en) |
SE (1) | SE7613470L (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2833722C2 (en) * | 1978-08-01 | 1982-06-03 | Siemens AG, 1000 Berlin und 8000 München | Process for coil, relay contact and transformer-free ringing current and loop current feed |
DE2833768C2 (en) * | 1978-08-01 | 1982-07-01 | Siemens AG, 1000 Berlin und 8000 München | Process for coil, relay contact and transformer-free ringing current and loop current feed |
FR2437116A1 (en) * | 1978-09-19 | 1980-04-18 | Thomson Ericsson Telephones So | SEPARATION AND BALANCING DEVICE FOR TELEPHONE SWITCHES |
JPS57104336A (en) * | 1980-12-20 | 1982-06-29 | Oki Electric Ind Co Ltd | Hybrid circuit |
CA1291836C (en) * | 1987-06-17 | 1991-11-05 | Kenji Takato | Battery feed circuit |
US6366976B1 (en) | 1998-02-13 | 2002-04-02 | Siemens Aktiengesellschaft | Device for connecting a subscriber to a bus line |
DE29802483U1 (en) * | 1998-02-13 | 1999-04-01 | Siemens AG, 80333 München | Device for connecting a subscriber to a bus line |
DE29802482U1 (en) * | 1998-02-13 | 1999-04-01 | Siemens AG, 80333 München | Circuit for determining the direction of transmission of a device for connecting a subscriber to a bus line |
-
1975
- 1975-12-01 GB GB49303/75A patent/GB1572595A/en not_active Expired
-
1976
- 1976-11-30 NL NL7613299A patent/NL7613299A/en not_active Application Discontinuation
- 1976-12-01 JP JP14460276A patent/JPS5284907A/en active Pending
- 1976-12-01 DE DE19762654495 patent/DE2654495A1/en active Pending
- 1976-12-01 SE SE7613470A patent/SE7613470L/en unknown
Also Published As
Publication number | Publication date |
---|---|
GB1572595A (en) | 1980-07-30 |
JPS5284907A (en) | 1977-07-14 |
NL7613299A (en) | 1977-06-03 |
DE2654495A1 (en) | 1977-06-08 |
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