LU64400A1 - - Google Patents
Info
- Publication number
- LU64400A1 LU64400A1 LU64400DA LU64400A1 LU 64400 A1 LU64400 A1 LU 64400A1 LU 64400D A LU64400D A LU 64400DA LU 64400 A1 LU64400 A1 LU 64400A1
- Authority
- LU
- Luxembourg
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M11/00—Telephonic communication systems specially adapted for combination with other electrical systems
- H04M11/06—Simultaneous speech and data transmission, e.g. telegraphic transmission over the same conductors
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
- Devices For Supply Of Signal Current (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702059950 DE2059950B2 (de) | 1970-12-05 | 1970-12-05 | Schaltungsanordnung für Teilnehmerstationen in Fernmelde-, insbesondere Fernsprechanlagen mit zusätzlichem Datenverkehr |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| LU64400A1 true LU64400A1 (xx) | 1972-06-19 |
Family
ID=5790108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| LU64400D LU64400A1 (xx) | 1970-12-05 | 1971-12-03 |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5416166B1 (xx) |
| AT (1) | AT315923B (xx) |
| BE (1) | BE776231A (xx) |
| CH (1) | CH538793A (xx) |
| DE (1) | DE2059950B2 (xx) |
| FR (1) | FR2117203A5 (xx) |
| GB (1) | GB1356699A (xx) |
| IT (1) | IT943714B (xx) |
| LU (1) | LU64400A1 (xx) |
| NL (1) | NL160134C (xx) |
| SE (1) | SE364577B (xx) |
-
1970
- 1970-12-05 DE DE19702059950 patent/DE2059950B2/de not_active Withdrawn
-
1971
- 1971-11-11 AT AT974971A patent/AT315923B/de not_active IP Right Cessation
- 1971-11-11 CH CH1647171A patent/CH538793A/de not_active IP Right Cessation
- 1971-11-23 GB GB5425671A patent/GB1356699A/en not_active Expired
- 1971-12-01 FR FR7143017A patent/FR2117203A5/fr not_active Expired
- 1971-12-01 JP JP9710471A patent/JPS5416166B1/ja active Pending
- 1971-12-02 NL NL7116592A patent/NL160134C/xx active
- 1971-12-03 IT IT3202571A patent/IT943714B/it active
- 1971-12-03 BE BE776231A patent/BE776231A/xx unknown
- 1971-12-03 LU LU64400D patent/LU64400A1/xx unknown
- 1971-12-06 SE SE1563971A patent/SE364577B/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| IT943714B (it) | 1973-04-10 |
| NL160134C (nl) | 1979-09-17 |
| DE2059950B2 (de) | 1974-04-18 |
| FR2117203A5 (xx) | 1972-07-21 |
| DE2059950A1 (de) | 1972-06-15 |
| CH538793A (de) | 1973-06-30 |
| NL7116592A (xx) | 1972-06-07 |
| NL160134B (nl) | 1979-04-17 |
| BE776231A (fr) | 1972-06-05 |
| SE364577B (xx) | 1974-02-25 |
| JPS5416166B1 (xx) | 1979-06-20 |
| GB1356699A (en) | 1974-06-12 |
| AT315923B (de) | 1974-06-25 |