JPS4948243B1 - - Google Patents
Info
- Publication number
- JPS4948243B1 JPS4948243B1 JP11499770A JP11499770A JPS4948243B1 JP S4948243 B1 JPS4948243 B1 JP S4948243B1 JP 11499770 A JP11499770 A JP 11499770A JP 11499770 A JP11499770 A JP 11499770A JP S4948243 B1 JPS4948243 B1 JP S4948243B1
- Authority
- JP
- Japan
- 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.)
- Pending
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)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Radio Transmission System (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE1790969A SE338076B (en) | 1969-12-23 | 1969-12-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS4948243B1 true JPS4948243B1 (en) | 1974-12-20 |
Family
ID=20304093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11499770A Pending JPS4948243B1 (en) | 1969-12-23 | 1970-12-21 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4948243B1 (en) |
| CA (1) | CA923561A (en) |
| DE (1) | DE2061744A1 (en) |
| FR (1) | FR2074201A5 (en) |
| GB (1) | GB1287375A (en) |
| SE (1) | SE338076B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2520952A1 (en) * | 1982-02-03 | 1983-08-05 | Trt Telecom Radio Electr | AUTOMATIC GAIN CONTROL DEVICE (AGC) WITH QUICK ACTION |
| DE3429453C1 (en) * | 1984-08-10 | 1992-05-27 | Siemens Ag | Procedure for secure radio signal transmission |
| GB8915172D0 (en) * | 1989-07-01 | 1989-08-23 | Orbitel Mobile Communications | Receiver gain control for radio telephone system |
| AU9123791A (en) * | 1990-12-05 | 1992-07-08 | Allied-Signal Inc. | Seamless frequency hopping system |
| US5319801A (en) * | 1990-12-05 | 1994-06-07 | Alliedsignal Inc. | Seamless frequency hopping system |
-
1969
- 1969-12-23 SE SE1790969A patent/SE338076B/xx unknown
-
1970
- 1970-12-15 DE DE19702061744 patent/DE2061744A1/en active Pending
- 1970-12-18 CA CA101000A patent/CA923561A/en not_active Expired
- 1970-12-18 GB GB6025270A patent/GB1287375A/en not_active Expired
- 1970-12-21 JP JP11499770A patent/JPS4948243B1/ja active Pending
- 1970-12-23 FR FR7046393A patent/FR2074201A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1287375A (en) | 1972-08-31 |
| SE338076B (en) | 1971-08-30 |
| FR2074201A5 (en) | 1971-10-01 |
| DE2061744A1 (en) | 1971-07-01 |
| CA923561A (en) | 1973-03-27 |