FR2121214A5 - - Google Patents
Info
- Publication number
- FR2121214A5 FR2121214A5 FR7147856A FR7147856A FR2121214A5 FR 2121214 A5 FR2121214 A5 FR 2121214A5 FR 7147856 A FR7147856 A FR 7147856A FR 7147856 A FR7147856 A FR 7147856A FR 2121214 A5 FR2121214 A5 FR 2121214A5
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10403971A | 1971-01-05 | 1971-01-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2121214A5 true FR2121214A5 (enExample) | 1972-08-18 |
Family
ID=22298356
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7147856A Expired FR2121214A5 (enExample) | 1971-01-05 | 1971-12-21 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3699447A (enExample) |
| DE (1) | DE2161077C3 (enExample) |
| FR (1) | FR2121214A5 (enExample) |
| GB (1) | GB1331176A (enExample) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH566086A5 (enExample) * | 1973-05-18 | 1975-08-29 | Zellweger Uster Ag | |
| US4052558A (en) * | 1974-12-09 | 1977-10-04 | Colin Davey Patterson | Data transmission system |
| US5134630A (en) * | 1989-04-12 | 1992-07-28 | National Research Development Corporation | Method and apparatus for transparent tone-in-band transmitter, receiver and system processing |
| AU3486900A (en) | 1999-02-22 | 2000-09-14 | Terk Technologies Corp. | Video transmission system and method utilizing phone lines in multiple unit dwellings |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2808504A (en) * | 1955-03-22 | 1957-10-01 | Rca Corp | Single sideband transmitting and receiving unit |
| US3204029A (en) * | 1962-02-21 | 1965-08-31 | Acf Ind Inc | High speed synchronous digital data transmission |
| US3147437A (en) * | 1962-03-13 | 1964-09-01 | Robertshaw Controls Co | Single side band radio carrier retrieval system |
| GB1061907A (en) * | 1962-11-30 | 1967-03-15 | Emi Ltd | Improvements relating to vestigial sideband transmitters |
| NL301914A (enExample) * | 1962-12-18 | |||
| US3300720A (en) * | 1963-11-20 | 1967-01-24 | Mark Products Company | Single sideband transceiver having common transmit and receive apparatus |
| US3466392A (en) * | 1966-03-03 | 1969-09-09 | Ibm | Vestigial sideband frequency shift keying modem |
-
1971
- 1971-01-05 US US104039A patent/US3699447A/en not_active Expired - Lifetime
- 1971-12-09 DE DE2161077A patent/DE2161077C3/de not_active Expired
- 1971-12-15 GB GB5816071A patent/GB1331176A/en not_active Expired
- 1971-12-21 FR FR7147856A patent/FR2121214A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3699447A (en) | 1972-10-17 |
| DE2161077A1 (de) | 1972-07-27 |
| DE2161077B2 (de) | 1980-01-03 |
| DE2161077C3 (de) | 1980-08-28 |
| GB1331176A (en) | 1973-09-26 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |