GB306419A - - Google Patents
Info
- Publication number
- GB306419A GB306419A GB5442/29A GB544229A GB306419A GB 306419 A GB306419 A GB 306419A GB 5442/29 A GB5442/29 A GB 5442/29A GB 544229 A GB544229 A GB 544229A GB 306419 A GB306419 A GB 306419A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sections
- ges
- assignees
- secrecy
- siemens
- 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
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)
- Mobile Radio Communication Systems (AREA)
Abstract
306,419. Telefunken Ges. f³r Drahtlose Telegraphie, (Assignees of Siemens & Halske Akt.-Ges.). Feb. 18, 1928, [Convention date]. Void [Published under Sect. 91 of the Acts]. Code telegraphy.-Secrecy is secured in a telephone or telegraph system by dividing the message into sections of unequal length, and transmitting the sections in transposed sequence. The description is substantially the same as that in Specification 306,407.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE306419T | 1928-02-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB306419A true GB306419A (en) | 1930-01-16 |
Family
ID=31894455
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5442/29A Expired GB306419A (en) | 1928-02-18 | 1929-02-18 |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR669818A (en) |
GB (1) | GB306419A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2386041A (en) * | 2002-03-01 | 2003-09-03 | Sensaura Ltd | A method of modifying intermittent audio signals such as speech or musical notes in real time |
-
1929
- 1929-02-18 GB GB5442/29A patent/GB306419A/en not_active Expired
- 1929-02-18 FR FR669818D patent/FR669818A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2386041A (en) * | 2002-03-01 | 2003-09-03 | Sensaura Ltd | A method of modifying intermittent audio signals such as speech or musical notes in real time |
Also Published As
Publication number | Publication date |
---|---|
FR669818A (en) | 1929-11-21 |
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