FR2220938A1 - - Google Patents
Info
- Publication number
- FR2220938A1 FR2220938A1 FR7407984A FR7407984A FR2220938A1 FR 2220938 A1 FR2220938 A1 FR 2220938A1 FR 7407984 A FR7407984 A FR 7407984A FR 7407984 A FR7407984 A FR 7407984A FR 2220938 A1 FR2220938 A1 FR 2220938A1
- 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
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Time-Division Multiplex Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7303334A SE371064B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-09 | 1973-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2220938A1 true FR2220938A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-10-04 |
| FR2220938B1 FR2220938B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-10 |
Family
ID=20316857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7407984A Expired FR2220938B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1973-03-09 | 1974-03-08 |
Country Status (6)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376574A1 (fr) * | 1976-12-30 | 1978-07-28 | Siemens Ag | Systeme de radiotelephonie |
| EP0011050A1 (de) * | 1978-10-27 | 1980-05-14 | GRETAG Aktiengesellschaft | Chiffrier-Dechiffriergerät |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5478602A (en) * | 1977-12-05 | 1979-06-22 | Fujitsu Ltd | Growth processing system for cyclic redundancy code |
| DE3036739A1 (de) * | 1980-09-29 | 1982-06-03 | Siemens AG, 1000 Berlin und 8000 München | Fernsprech-mobilfunksystem zur digitalen sprachuebertragung |
| JPS57202151A (en) * | 1981-06-05 | 1982-12-10 | Omron Tateisi Electronics Co | Crc code generating method |
| JPS57202152A (en) * | 1981-06-05 | 1982-12-10 | Omron Tateisi Electronics Co | Crc code generating system |
| US5081679A (en) * | 1990-07-20 | 1992-01-14 | Ericsson Ge Mobile Communications Holding Inc. | Resynchronization of encryption systems upon handoff |
-
1973
- 1973-03-09 SE SE7303334A patent/SE371064B/xx unknown
-
1974
- 1974-03-05 NL NL7402927A patent/NL7402927A/xx unknown
- 1974-03-07 DE DE2410792A patent/DE2410792A1/de active Pending
- 1974-03-07 GB GB1028174A patent/GB1459041A/en not_active Expired
- 1974-03-08 JP JP49026429A patent/JPS5026418A/ja active Pending
- 1974-03-08 FR FR7407984A patent/FR2220938B1/fr not_active Expired
Non-Patent Citations (1)
| Title |
|---|
| NEANT * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2376574A1 (fr) * | 1976-12-30 | 1978-07-28 | Siemens Ag | Systeme de radiotelephonie |
| EP0011050A1 (de) * | 1978-10-27 | 1980-05-14 | GRETAG Aktiengesellschaft | Chiffrier-Dechiffriergerät |
Also Published As
| Publication number | Publication date |
|---|---|
| GB1459041A (en) | 1976-12-22 |
| NL7402927A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-09-11 |
| FR2220938B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1978-02-10 |
| JPS5026418A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1975-03-19 |
| SE371064B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1974-11-04 |
| DE2410792A1 (de) | 1974-09-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |