JPH0378813B2 - - Google Patents
Info
- Publication number
- JPH0378813B2 JPH0378813B2 JP13099082A JP13099082A JPH0378813B2 JP H0378813 B2 JPH0378813 B2 JP H0378813B2 JP 13099082 A JP13099082 A JP 13099082A JP 13099082 A JP13099082 A JP 13099082A JP H0378813 B2 JPH0378813 B2 JP H0378813B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- signal
- output
- oscillator
- local oscillation
- 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
- 230000010355 oscillation Effects 0.000 claims description 29
- 230000005236 sound signal Effects 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000011664 signaling Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 description 23
- 238000010586 diagram Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- 230000010363 phase shift Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 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 |
---|---|---|---|
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 JPS5921148A (ja) | 1984-02-03 |
JPH0378813B2 true JPH0378813B2 (enrdf_load_stackoverflow) | 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 (enrdf_load_stackoverflow) |
Families Citing this family (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
Also Published As
Publication number | Publication date |
---|---|
JPS5921148A (ja) | 1984-02-03 |
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