JPH0158701B2 - - Google Patents
Info
- Publication number
- JPH0158701B2 JPH0158701B2 JP2956984A JP2956984A JPH0158701B2 JP H0158701 B2 JPH0158701 B2 JP H0158701B2 JP 2956984 A JP2956984 A JP 2956984A JP 2956984 A JP2956984 A JP 2956984A JP H0158701 B2 JPH0158701 B2 JP H0158701B2
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- secret
- signal
- confidential
- control signal
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 claims description 91
- 238000004891 communication Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000001514 detection method 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
- 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
- 230000003248 secreting 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 JPS60174542A (ja) | 1985-09-07 |
JPH0158701B2 true 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 |
---|---|
JPS60174542A (ja) | 1985-09-07 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS6238898B2 (enrdf_load_stackoverflow) | ||
US5003598A (en) | Secure communication system | |
KR860002153B1 (ko) | 비화신호 송신시스템 | |
JPH0158701B2 (enrdf_load_stackoverflow) | ||
JPH04101527A (ja) | 秘話通信装置 | |
JPH022337B2 (enrdf_load_stackoverflow) | ||
JPH01293724A (ja) | 秘話通信方法 | |
JPH04347947A (ja) | 周波数反転通信方式 | |
JPS613543A (ja) | 送受信装置 | |
JPH0294835A (ja) | Scpc通信装置 | |
JP3638986B2 (ja) | 秘話装置の同期信号除去方式及びデジタル秘話装置 | |
JPH04288740A (ja) | 秘話装置 | |
JPH0147062B2 (enrdf_load_stackoverflow) | ||
JPH04288741A (ja) | 秘話装置 | |
JPH02260928A (ja) | 移動体通信における時間分割通信用の無線基地局と移動無線機 | |
JPH04249438A (ja) | 秘話機能付コードレス電話装置 | |
JPH04288738A (ja) | 秘話装置 | |
JPH0470230A (ja) | 音声通信装置 | |
JPH04183135A (ja) | 移動体通信の時間分割通信秘話方法 | |
JPS6125342A (ja) | 秘話回路 | |
JPS6046148A (ja) | 反転秘話無線通信方式 | |
JPH04192821A (ja) | 無線チャネル切替による秘話通信方式 | |
JPH04288739A (ja) | 秘話装置 | |
JPS61150423A (ja) | 無線通信の秘話装置 | |
JPH04137932A (ja) | 移動体通信の時間分割通信秘話方法 |