JPS6196843A - 秘話装置 - Google Patents
秘話装置Info
- Publication number
- JPS6196843A JPS6196843A JP21736884A JP21736884A JPS6196843A JP S6196843 A JPS6196843 A JP S6196843A JP 21736884 A JP21736884 A JP 21736884A JP 21736884 A JP21736884 A JP 21736884A JP S6196843 A JPS6196843 A JP S6196843A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- pass filter
- frequency
- band
- low
- 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
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 6
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 6
- 238000004891 communication Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 abstract description 22
- 230000006866 deterioration Effects 0.000 abstract description 6
- 230000002194 synthesizing effect Effects 0.000 abstract 1
- 230000005236 sound signal Effects 0.000 description 11
- 238000001228 spectrum Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000010287 polarization Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 208000025174 PANDAS Diseases 0.000 description 1
- 208000021155 Paediatric autoimmune neuropsychiatric disorders associated with streptococcal infection Diseases 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003595 spectral effect Effects 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 |
|---|---|---|---|
| JP21736884A JPS6196843A (ja) | 1984-10-18 | 1984-10-18 | 秘話装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21736884A JPS6196843A (ja) | 1984-10-18 | 1984-10-18 | 秘話装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6196843A true JPS6196843A (ja) | 1986-05-15 |
| JPH0334704B2 JPH0334704B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-05-23 |
Family
ID=16703078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21736884A Granted JPS6196843A (ja) | 1984-10-18 | 1984-10-18 | 秘話装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196843A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4998770A (en) * | 1989-08-29 | 1991-03-12 | Suzuki Motor Corporation | Armrest for mounting on a console box |
-
1984
- 1984-10-18 JP JP21736884A patent/JPS6196843A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4998770A (en) * | 1989-08-29 | 1991-03-12 | Suzuki Motor Corporation | Armrest for mounting on a console box |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0334704B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1991-05-23 |