JPS5921148A - 秘話装置 - Google Patents
秘話装置Info
- Publication number
- JPS5921148A JPS5921148A JP13099082A JP13099082A JPS5921148A JP S5921148 A JPS5921148 A JP S5921148A JP 13099082 A JP13099082 A JP 13099082A JP 13099082 A JP13099082 A JP 13099082A JP S5921148 A JPS5921148 A JP S5921148A
- Authority
- JP
- Japan
- Prior art keywords
- output
- frequency
- signal
- oscillator
- adder
- 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
- 230000010355 oscillation Effects 0.000 claims description 25
- 230000005236 sound signal Effects 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 8
- 238000001228 spectrum Methods 0.000 description 19
- 238000010586 diagram Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 2
- 230000010363 phase shift Effects 0.000 description 2
- 244000218454 Bambusa tulda Species 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/04—Secret communication by frequency scrambling, i.e. by transposing or inverting parts of the frequency band or by inverting the whole band
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13099082A JPS5921148A (ja) | 1982-07-27 | 1982-07-27 | 秘話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13099082A JPS5921148A (ja) | 1982-07-27 | 1982-07-27 | 秘話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5921148A true JPS5921148A (ja) | 1984-02-03 |
| JPH0378813B2 JPH0378813B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-16 |
Family
ID=15047340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13099082A Granted JPS5921148A (ja) | 1982-07-27 | 1982-07-27 | 秘話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5921148A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6269746A (ja) * | 1985-09-24 | 1987-03-31 | Yuniden Kk | 無線通信システム |
-
1982
- 1982-07-27 JP JP13099082A patent/JPS5921148A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6269746A (ja) * | 1985-09-24 | 1987-03-31 | Yuniden Kk | 無線通信システム |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0378813B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-12-16 |