JPS60174542A - 秘話通信方式 - Google Patents
秘話通信方式Info
- Publication number
- JPS60174542A JPS60174542A JP2956984A JP2956984A JPS60174542A JP S60174542 A JPS60174542 A JP S60174542A JP 2956984 A JP2956984 A JP 2956984A JP 2956984 A JP2956984 A JP 2956984A JP S60174542 A JPS60174542 A JP S60174542A
- Authority
- JP
- Japan
- Prior art keywords
- secret
- signal
- audio signal
- control signal
- secret talk
- Prior art date
- 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
- 238000004891 communication Methods 0.000 title claims description 21
- 230000005236 sound signal Effects 0.000 claims description 88
- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000003287 optical effect Effects 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 9
- 238000001514 detection method Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 230000003321 amplification Effects 0.000 description 3
- 238000010295 mobile communication Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000003199 nucleic acid amplification method Methods 0.000 description 3
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2956984A JPS60174542A (ja) | 1984-02-21 | 1984-02-21 | 秘話通信方式 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2956984A JPS60174542A (ja) | 1984-02-21 | 1984-02-21 | 秘話通信方式 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60174542A true JPS60174542A (ja) | 1985-09-07 |
JPH0158701B2 JPH0158701B2 (enrdf_load_stackoverflow) | 1989-12-13 |
Family
ID=12279751
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2956984A Granted JPS60174542A (ja) | 1984-02-21 | 1984-02-21 | 秘話通信方式 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS60174542A (enrdf_load_stackoverflow) |
-
1984
- 1984-02-21 JP JP2956984A patent/JPS60174542A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPH0158701B2 (enrdf_load_stackoverflow) | 1989-12-13 |
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