CH212742A - Method and device for the transmission of messages. - Google Patents
Method and device for the transmission of messages.Info
- Publication number
- CH212742A CH212742A CH212742DA CH212742A CH 212742 A CH212742 A CH 212742A CH 212742D A CH212742D A CH 212742DA CH 212742 A CH212742 A CH 212742A
- Authority
- CH
- Switzerland
- Prior art keywords
- messages
- transmission
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
- H04K1/06—Secret communication by transmitting the information or elements thereof at unnatural speeds or in jumbled order or backwards
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Near-Field Transmission Systems (AREA)
- Optical Recording Or Reproduction (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH545507X | 1939-10-02 | ||
CH228587T | 1940-07-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH212742A true CH212742A (en) | 1940-12-15 |
Family
ID=25727233
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH212742D CH212742A (en) | 1939-10-02 | 1939-10-02 | Method and device for the transmission of messages. |
CH228587D CH228587A (en) | 1939-10-02 | 1940-07-20 | Device for the transmission of messages. |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH228587D CH228587A (en) | 1939-10-02 | 1940-07-20 | Device for the transmission of messages. |
Country Status (4)
Country | Link |
---|---|
CH (2) | CH212742A (en) |
DE (2) | DE727024C (en) |
FR (1) | FR867793A (en) |
GB (1) | GB545507A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2321902A1 (en) * | 1973-03-19 | 1974-09-26 | Patelhold Patentverwertung | PROCEDURE AND DEVICE FOR ENCRYPTED MESSAGE TRANSMISSION |
-
1939
- 1939-10-02 CH CH212742D patent/CH212742A/en unknown
-
1940
- 1940-07-20 CH CH228587D patent/CH228587A/en unknown
- 1940-09-04 DE DEA91936D patent/DE727024C/en not_active Expired
- 1940-11-23 GB GB16841/40A patent/GB545507A/en not_active Expired
- 1940-11-26 FR FR867793D patent/FR867793A/en not_active Expired
-
1941
- 1941-07-04 DE DEA93716D patent/DE734627C/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2321902A1 (en) * | 1973-03-19 | 1974-09-26 | Patelhold Patentverwertung | PROCEDURE AND DEVICE FOR ENCRYPTED MESSAGE TRANSMISSION |
Also Published As
Publication number | Publication date |
---|---|
DE727024C (en) | 1942-10-26 |
FR867793A (en) | 1941-11-27 |
DE734627C (en) | 1943-04-22 |
CH228587A (en) | 1943-08-31 |
GB545507A (en) | 1942-05-29 |
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