DE2402451A1 - - Google Patents
Info
- Publication number
- DE2402451A1 DE2402451A1 DE19742402451 DE2402451A DE2402451A1 DE 2402451 A1 DE2402451 A1 DE 2402451A1 DE 19742402451 DE19742402451 DE 19742402451 DE 2402451 A DE2402451 A DE 2402451A DE 2402451 A1 DE2402451 A1 DE 2402451A1
- Authority
- DE
- Germany
- 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
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/46—Monitoring; Testing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/02—Details
- H04B3/04—Control of transmission; Equalising
- H04B3/10—Control of transmission; Equalising by pilot signal
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Selective Calling Equipment (AREA)
- Radio Relay Systems (AREA)
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742402451 DE2402451C2 (de) | 1974-01-18 | Nachrichten-Übertragungseinrichtung zum Übertragen eines Nachrichten-Ubertragungsbandes, das von einem Pilot mit umschaltbarer Frequenz begleitet wird | |
| GB708/75A GB1494671A (en) | 1974-01-18 | 1975-01-08 | Pilot controlled data transmission systems |
| IT19233/75A IT1028339B (it) | 1974-01-18 | 1975-01-14 | Impianto per comunicazioni elettriche per trasmettere una banda di comunicazione accompagnata da un tono pilota commutabile |
| SE7500405A SE394782B (sv) | 1974-01-18 | 1975-01-15 | Informationsoverforingsanordning for overforing av ett informationsoverforingsband, beledsagat av en pilotton med omkopplingsbar frekvens |
| FR7501090A FR2258749B1 (enExample) | 1974-01-18 | 1975-01-15 | |
| IL46447A IL46447A (en) | 1974-01-18 | 1975-01-16 | Pilot controlled data transmission system |
| JP764975A JPS5330608B2 (enExample) | 1974-01-18 | 1975-01-17 | |
| BE152473A BE824501A (fr) | 1974-01-18 | 1975-01-17 | Dispositif de transmission d'informations destine a transmettre une bande d'informations accompagnee d'une onde pilote de frequence commutable |
| NL7500609.A NL163927C (nl) | 1974-01-18 | 1975-01-17 | Berichttransmissie-inrichting. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742402451 DE2402451C2 (de) | 1974-01-18 | Nachrichten-Übertragungseinrichtung zum Übertragen eines Nachrichten-Ubertragungsbandes, das von einem Pilot mit umschaltbarer Frequenz begleitet wird |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2402451B1 DE2402451B1 (de) | 1975-07-03 |
| DE2402451A1 true DE2402451A1 (enExample) | 1975-07-03 |
| DE2402451C2 DE2402451C2 (de) | 1976-02-12 |
Family
ID=
Also Published As
| Publication number | Publication date |
|---|---|
| JPS50108807A (enExample) | 1975-08-27 |
| IT1028339B (it) | 1979-01-30 |
| NL7500609A (nl) | 1975-07-22 |
| SE394782B (sv) | 1977-07-04 |
| NL163927B (nl) | 1980-05-16 |
| BE824501A (fr) | 1975-05-15 |
| DE2402451B1 (de) | 1975-07-03 |
| SE7500405L (enExample) | 1975-07-21 |
| GB1494671A (en) | 1977-12-07 |
| JPS5330608B2 (enExample) | 1978-08-28 |
| IL46447A0 (en) | 1975-04-25 |
| FR2258749A1 (enExample) | 1975-08-18 |
| FR2258749B1 (enExample) | 1977-11-18 |
| IL46447A (en) | 1977-07-31 |
| NL163927C (nl) | 1980-10-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| E77 | Valid patent as to the heymanns-index 1977 | ||
| 8339 | Ceased/non-payment of the annual fee |