BE437461A - - Google Patents
Info
- Publication number
- BE437461A BE437461A BE437461DA BE437461A BE 437461 A BE437461 A BE 437461A BE 437461D A BE437461D A BE 437461DA BE 437461 A BE437461 A BE 437461A
- Authority
- BE
- Belgium
- Prior art keywords
- vibrations
- denaturing
- recording
- neutralizing
- combined
- Prior art date
Links
- 230000003472 neutralizing effect Effects 0.000 claims description 21
- 238000004804 winding Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 2
- 239000000696 magnetic material Substances 0.000 claims 1
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/02—Secret communication by adding a second signal to make the desired signal unintelligible
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE869170X | 1939-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE437461A true BE437461A (de) |
Family
ID=3882463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE437461D BE437461A (de) | 1939-12-22 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE437461A (de) |
| FR (1) | FR869170A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1064998B (de) * | 1958-01-15 | 1959-09-10 | Telefonbau & Normalzeit Gmbh | Verfahren und Vorrichtung zur Geheimhaltung von Signalwechsel-stroemen waehrend der UEbertragung |
-
0
- BE BE437461D patent/BE437461A/fr unknown
-
1941
- 1941-01-11 FR FR869170D patent/FR869170A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR869170A (fr) | 1942-01-26 |
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