BE726138A - - Google Patents
Info
- Publication number
- BE726138A BE726138A BE726138DA BE726138A BE 726138 A BE726138 A BE 726138A BE 726138D A BE726138D A BE 726138DA BE 726138 A BE726138 A BE 726138A
- Authority
- BE
- Belgium
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
- H04B1/586—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 an electronic circuit
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69446467A | 1967-12-29 | 1967-12-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE726138A true BE726138A (xx) | 1969-05-29 |
Family
ID=24788929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE726138D BE726138A (xx) | 1967-12-29 | 1968-12-27 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3586881A (xx) |
| BE (1) | BE726138A (xx) |
| FR (1) | FR1598852A (xx) |
| GB (1) | GB1256240A (xx) |
| NL (1) | NL6818548A (xx) |
| SE (1) | SE337402B (xx) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3700832A (en) * | 1971-08-19 | 1972-10-24 | Bell Telephone Labor Inc | N-port circulator |
| FR2160308B1 (xx) * | 1971-11-19 | 1977-01-28 | Labo Cent Telecommunicat | |
| FR2166696A5 (xx) * | 1972-01-04 | 1973-08-17 | Ass Ouvriers Instr Preci | |
| FR2331913A2 (fr) * | 1972-01-04 | 1977-06-10 | Ass Ouvriers Instr Precision | Dispositif d'emission et de reception d'impulsions telephoniques codees |
| US3889072A (en) * | 1973-10-19 | 1975-06-10 | Itt | Bi-directional amplification apparatus |
| US3973089A (en) * | 1973-10-29 | 1976-08-03 | General Electric Company | Adaptive hybrid circuit |
| US3934099A (en) * | 1974-08-16 | 1976-01-20 | Bell Telephone Laboratories, Incorporated | Bias, feedback and network arrangements for hybrid circuits |
| EP1438832A4 (en) | 2001-10-25 | 2005-01-19 | 2Wire Inc | TRANSFORMATOR-COUPLED ADAPTATION IMPEDANCE |
| US7684499B2 (en) * | 2005-08-30 | 2010-03-23 | 2Wire, Inc. | Multi-band line interface circuit with line side cancellation |
| US7907659B2 (en) * | 2007-10-02 | 2011-03-15 | 2Wire, Inc. | Dual-band line interface circuit capable of multi-band communication |
-
1967
- 1967-12-29 US US694464A patent/US3586881A/en not_active Expired - Lifetime
-
1968
- 1968-12-17 SE SE17266/68A patent/SE337402B/xx unknown
- 1968-12-23 NL NL6818548A patent/NL6818548A/xx unknown
- 1968-12-23 GB GB60960/68A patent/GB1256240A/en not_active Expired
- 1968-12-27 BE BE726138D patent/BE726138A/xx unknown
- 1968-12-27 FR FR1598852D patent/FR1598852A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL6818548A (xx) | 1969-07-01 |
| DE1816883B2 (de) | 1972-09-07 |
| US3586881A (en) | 1971-06-22 |
| FR1598852A (xx) | 1970-07-06 |
| SE337402B (xx) | 1971-08-09 |
| DE1816883A1 (de) | 1969-08-07 |
| GB1256240A (en) | 1971-12-08 |