NO131813C - - Google Patents
Info
- Publication number
- NO131813C NO131813C NO406370A NO406370A NO131813C NO 131813 C NO131813 C NO 131813C NO 406370 A NO406370 A NO 406370A NO 406370 A NO406370 A NO 406370A NO 131813 C NO131813 C NO 131813C
- Authority
- NO
- Norway
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/003—Secret communication by varying carrier frequency at or within predetermined or random intervals
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19691954754 DE1954754C3 (en) | 1969-10-30 | 1969-10-30 | Radio telephony system that works with encryption of the message signals to be transmitted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131813B NO131813B (en) | 1975-04-28 |
| NO131813C true NO131813C (en) | 1975-08-06 |
Family
ID=5749741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO406370A NO131813C (en) | 1969-10-30 | 1970-10-26 |
Country Status (11)
| Country | Link |
|---|---|
| AT (1) | AT310815B (en) |
| BE (1) | BE758279A (en) |
| CH (1) | CH514963A (en) |
| DE (1) | DE1954754C3 (en) |
| DK (1) | DK132049C (en) |
| FR (1) | FR2066593A5 (en) |
| GB (1) | GB1293816A (en) |
| LU (1) | LU61951A1 (en) |
| NL (1) | NL149671B (en) |
| NO (1) | NO131813C (en) |
| SE (1) | SE368758B (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2245646A1 (en) * | 1972-09-16 | 1974-03-21 | Bosch Elektronik Gmbh | SYSTEM FOR TELEPHONE COMMUNICATION |
| DE2550592C1 (en) * | 1975-11-11 | 1990-12-06 | Siemens Ag | Radio system |
| DE2650823A1 (en) * | 1976-11-06 | 1978-05-11 | Licentia Gmbh | Radio communications system with fixed and mobile stations - uses available channels to max. capacity to form connections quickly |
| DE2737576C1 (en) * | 1977-08-22 | 1986-01-09 | Siemens AG, 1000 Berlin und 8000 München | Military radar or radio communications system |
| DE2737577C1 (en) * | 1977-08-22 | 1986-01-09 | Siemens AG, 1000 Berlin und 8000 München | Military radar or radio communications system |
| DE2747454C1 (en) * | 1977-10-24 | 1992-09-24 | Siemens Ag | Message transfer system with frequency hopping |
| DE2943059C2 (en) * | 1979-10-25 | 1984-01-05 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Radio system with synchronization of the subscriber facilities |
| FR2640448B1 (en) * | 1980-10-13 | 1992-01-03 | Trt Telecom Radio Electr | NETWORK-BASED INFORMATION TRANSMISSION SYSTEM USING FREQUENCY HOPPING A SET OF CHANNELS |
| FR2527871B1 (en) * | 1982-05-27 | 1986-04-11 | Thomson Csf | RADIOCOMMUNICATION SYSTEM, FREQUENCY HOPPING |
| FR2527872A1 (en) * | 1982-05-27 | 1983-12-02 | Thomson Csf | FIXED STATION OF A RADIOCOMMUNICATION SYSTEM WITH FREQUENCY HOPPING AND BANALIZED TRANSMITTERS |
| DE3601372C2 (en) * | 1986-01-18 | 1994-04-28 | Deutsche Aerospace | Direction finding and location system for transmitter location with frequency hopping radio connections |
-
1969
- 1969-10-30 DE DE19691954754 patent/DE1954754C3/en not_active Expired
-
1970
- 1970-10-20 AT AT945370A patent/AT310815B/en not_active IP Right Cessation
- 1970-10-26 NO NO406370A patent/NO131813C/no unknown
- 1970-10-27 NL NL7015745A patent/NL149671B/en unknown
- 1970-10-27 CH CH1585770A patent/CH514963A/en not_active IP Right Cessation
- 1970-10-27 FR FR7038705A patent/FR2066593A5/fr not_active Expired
- 1970-10-28 LU LU61951D patent/LU61951A1/xx unknown
- 1970-10-29 DK DK550570A patent/DK132049C/en active
- 1970-10-29 GB GB5133570A patent/GB1293816A/en not_active Expired
- 1970-10-29 SE SE1459870A patent/SE368758B/xx unknown
- 1970-10-30 BE BE758279D patent/BE758279A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1293816A (en) | 1972-10-25 |
| SE368758B (en) | 1974-07-15 |
| AT310815B (en) | 1973-10-25 |
| CH514963A (en) | 1971-10-31 |
| NO131813B (en) | 1975-04-28 |
| DE1954754C3 (en) | 1975-08-07 |
| DK132049B (en) | 1975-10-13 |
| DE1954754A1 (en) | 1971-05-06 |
| BE758279A (en) | 1971-04-30 |
| DK132049C (en) | 1976-03-08 |
| DE1954754B2 (en) | 1974-12-19 |
| NL7015745A (en) | 1971-05-04 |
| LU61951A1 (en) | 1971-05-10 |
| NL149671B (en) | 1976-05-17 |
| FR2066593A5 (en) | 1971-08-06 |