FR1583825A - - Google Patents
Info
- Publication number
- FR1583825A FR1583825A FR1583825DA FR1583825A FR 1583825 A FR1583825 A FR 1583825A FR 1583825D A FR1583825D A FR 1583825DA FR 1583825 A FR1583825 A FR 1583825A
- Authority
- FR
- France
- 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
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- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/62—Two-way amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR148812 | 1968-04-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1583825A true FR1583825A (sv) | 1969-12-05 |
Family
ID=8649199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1583825D Expired FR1583825A (sv) | 1968-04-19 | 1968-04-19 |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1583825A (sv) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
-
1968
- 1968-04-19 FR FR1583825D patent/FR1583825A/fr not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2437757A2 (fr) * | 1978-06-26 | 1980-04-25 | Trt Telecom Radio Electr | Joncteur d'abonne destine a assurer un couplage en deux fils ou quatre fils avec un central telephonique |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |