BE516210A - - Google Patents
Info
- Publication number
- BE516210A BE516210A BE516210DA BE516210A BE 516210 A BE516210 A BE 516210A BE 516210D A BE516210D A BE 516210DA BE 516210 A BE516210 A BE 516210A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0891—Revocation or update of secret information, e.g. encryption key update or rekeying
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/34—Bits, or blocks of bits, of the telegraphic message being interchanged in time
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR945036X | 1951-12-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE516210A true BE516210A (en) |
Family
ID=9472094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE516210D BE516210A (en) | 1951-12-20 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE516210A (en) |
| DE (1) | DE945036C (en) |
| FR (1) | FR1057922A (en) |
| GB (1) | GB714908A (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1135971B (en) * | 1959-02-26 | 1962-09-06 | Siemens Ag | Time division multiplex system |
| DE1139893B (en) * | 1959-02-27 | 1962-11-22 | Siemens Ag | Time division multiplex system |
| NL264059A (en) * | 1960-04-27 | |||
| DE1206970B (en) * | 1960-05-09 | 1965-12-16 | Fuji Tsushinki Seizo Kabushiki | Circuit arrangement for the time shifting of message channels in time division multiplex message systems |
| NL279100A (en) * | 1961-05-30 | |||
| BE620190A (en) * | 1961-07-27 | |||
| US3324246A (en) * | 1963-07-16 | 1967-06-06 | Bell Telephone Labor Inc | Crosstalk reduction in a time division multiplex switching system |
| DE1278544B (en) * | 1963-09-23 | 1968-09-26 | Siemens Ag | Method and circuit arrangement for transmitting several pulse-modulated telecommunications messages over a common transmission path in time division multiplex systems, in particular time division multiplex telephone exchanges |
| CH558993A (en) * | 1973-03-19 | 1975-02-14 | Patelhold Patentverwertung | PROCEDURE AND DEVICE FOR ENCRYPTED MESSAGE TRANSMISSION. |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE491725A (en) * | 1948-11-13 |
-
0
- BE BE516210D patent/BE516210A/xx unknown
-
1951
- 1951-12-20 FR FR1057922D patent/FR1057922A/en not_active Expired
-
1952
- 1952-12-15 GB GB31781/52A patent/GB714908A/en not_active Expired
- 1952-12-20 DE DES31581A patent/DE945036C/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE945036C (en) | 1956-06-28 |
| GB714908A (en) | 1954-09-01 |
| FR1057922A (en) | 1954-03-11 |