FR2576728B1 - CIRCUIT FOR SEARCHING FOR BALANCING A TRANSMISSION LINE - Google Patents
CIRCUIT FOR SEARCHING FOR BALANCING A TRANSMISSION LINEInfo
- Publication number
- FR2576728B1 FR2576728B1 FR8501066A FR8501066A FR2576728B1 FR 2576728 B1 FR2576728 B1 FR 2576728B1 FR 8501066 A FR8501066 A FR 8501066A FR 8501066 A FR8501066 A FR 8501066A FR 2576728 B1 FR2576728 B1 FR 2576728B1
- Authority
- FR
- France
- Prior art keywords
- balancing
- searching
- circuit
- transmission line
- transmission
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
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
- H04B1/581—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 transformer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8501066A FR2576728B1 (en) | 1985-01-25 | 1985-01-25 | CIRCUIT FOR SEARCHING FOR BALANCING A TRANSMISSION LINE |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8501066A FR2576728B1 (en) | 1985-01-25 | 1985-01-25 | CIRCUIT FOR SEARCHING FOR BALANCING A TRANSMISSION LINE |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2576728A1 FR2576728A1 (en) | 1986-08-01 |
FR2576728B1 true FR2576728B1 (en) | 1988-02-12 |
Family
ID=9315614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8501066A Expired FR2576728B1 (en) | 1985-01-25 | 1985-01-25 | CIRCUIT FOR SEARCHING FOR BALANCING A TRANSMISSION LINE |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2576728B1 (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1459770A (en) * | 1921-11-15 | 1923-06-26 | American Telephone & Telegraph | System for testing line balance |
US1675441A (en) * | 1927-02-26 | 1928-07-03 | American Telephone & Telegraph | Means for measuring balance of electrical networks |
DE621741C (en) * | 1930-04-30 | 1935-11-13 | Willy Weinitschke Dr | Method for measuring two-wire amplifiers or four-wire transmission circuits or for determining the echo reception of hybrid circuits used in remote transmission systems by means of the whistle point determination method |
BE462769A (en) * | 1944-04-04 | |||
DE1119343B (en) * | 1960-08-26 | 1961-12-14 | Siemens Ag | Arrangement for measuring the fork transition damping |
GB1115215A (en) * | 1967-02-24 | 1968-05-29 | Standard Telephones Cables Ltd | Two to four wire telephone hybrid transformers |
JPS51116648A (en) * | 1975-04-07 | 1976-10-14 | Hitachi Ltd | Automatic balancing hybrid circuit |
GB2139055B (en) * | 1983-04-28 | 1986-10-01 | Darome Inc | Automatic nulling teleconferencing circuit |
-
1985
- 1985-01-25 FR FR8501066A patent/FR2576728B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2576728A1 (en) | 1986-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
TP | Transmission of property | ||
ST | Notification of lapse |