FR2189826A1 - - Google Patents
Info
- Publication number
- FR2189826A1 FR2189826A1 FR7317509A FR7317509A FR2189826A1 FR 2189826 A1 FR2189826 A1 FR 2189826A1 FR 7317509 A FR7317509 A FR 7317509A FR 7317509 A FR7317509 A FR 7317509A FR 2189826 A1 FR2189826 A1 FR 2189826A1
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/10—Arrangements for reducing cross-talk between channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P3/00—Waveguides; Transmission lines of the waveguide type
- H01P3/02—Waveguides; Transmission lines of the waveguide type with two longitudinal conductors
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/52—Systems for transmission between fixed stations via waveguides
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/18—Coaxial cables; Analogous cables having more than one inner conductor within a common outer conductor
- H01B11/1808—Construction of the conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Communication Cables (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Time-Division Multiplex Systems (AREA)
- Structure Of Printed Boards (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT2573572A IT960826B (it) | 1972-06-15 | 1972-06-15 | Via di comunicazione per sistemi trasmissivi a divisione di tempo |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2189826A1 true FR2189826A1 (pt) | 1974-01-25 |
| FR2189826B1 FR2189826B1 (pt) | 1977-11-10 |
Family
ID=11217574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7317509A Expired FR2189826B1 (pt) | 1972-06-15 | 1973-05-15 |
Country Status (10)
| Country | Link |
|---|---|
| JP (2) | JPS4950473A (pt) |
| BE (1) | BE800918A (pt) |
| CA (1) | CA1013442A (pt) |
| CH (1) | CH569350A5 (pt) |
| DE (1) | DE2330352A1 (pt) |
| FR (1) | FR2189826B1 (pt) |
| GB (1) | GB1438024A (pt) |
| IT (1) | IT960826B (pt) |
| NL (1) | NL161309C (pt) |
| SE (1) | SE381765B (pt) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE464781A (pt) * | 1944-11-06 | |||
| GB1148999A (en) * | 1965-07-13 | 1969-04-16 | Siemens Ag | Improvements in or relating to time division multiplex telecommunications exchange systems |
-
1972
- 1972-06-15 IT IT2573572A patent/IT960826B/it active
- 1972-08-28 NL NL7211732A patent/NL161309C/xx not_active IP Right Cessation
-
1973
- 1973-05-15 FR FR7317509A patent/FR2189826B1/fr not_active Expired
- 1973-06-14 SE SE7308398A patent/SE381765B/xx unknown
- 1973-06-14 BE BE132273A patent/BE800918A/xx unknown
- 1973-06-14 CA CA174,074A patent/CA1013442A/en not_active Expired
- 1973-06-14 DE DE19732330352 patent/DE2330352A1/de not_active Withdrawn
- 1973-06-15 CH CH869573A patent/CH569350A5/xx not_active IP Right Cessation
- 1973-06-15 GB GB2864573A patent/GB1438024A/en not_active Expired
- 1973-06-15 JP JP6765773A patent/JPS4950473A/ja active Pending
-
1981
- 1981-05-28 JP JP7661381U patent/JPS5797316U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE464781A (pt) * | 1944-11-06 | |||
| GB1148999A (en) * | 1965-07-13 | 1969-04-16 | Siemens Ag | Improvements in or relating to time division multiplex telecommunications exchange systems |
Also Published As
| Publication number | Publication date |
|---|---|
| SE381765B (sv) | 1975-12-15 |
| NL161309C (nl) | 1980-01-15 |
| CA1013442A (en) | 1977-07-05 |
| DE2330352A1 (de) | 1974-01-24 |
| NL7211732A (pt) | 1973-12-18 |
| IT960826B (it) | 1973-11-30 |
| JPS4950473A (pt) | 1974-05-16 |
| GB1438024A (en) | 1976-06-03 |
| CH569350A5 (pt) | 1975-11-14 |
| JPS5797316U (pt) | 1982-06-15 |
| NL161309B (nl) | 1979-08-15 |
| BE800918A (fr) | 1973-10-01 |
| FR2189826B1 (pt) | 1977-11-10 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |