ES467883A1 - Equipo codificador y descodificador de senales electricas comprendidas en una banda de frecuencia prefijada - Google Patents
Equipo codificador y descodificador de senales electricas comprendidas en una banda de frecuencia prefijadaInfo
- Publication number
- ES467883A1 ES467883A1 ES467883A ES467883A ES467883A1 ES 467883 A1 ES467883 A1 ES 467883A1 ES 467883 A ES467883 A ES 467883A ES 467883 A ES467883 A ES 467883A ES 467883 A1 ES467883 A1 ES 467883A1
- Authority
- ES
- Spain
- Prior art keywords
- translation
- frequency band
- machine
- legally binding
- google translate
- 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
- 230000005540 biological transmission Effects 0.000 abstract 1
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)
- Transceivers (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH645577A CH621900A5 (en) | 1977-05-25 | 1977-05-25 | Encoding and decoding apparatus for the protection of the secrecy of communications |
Publications (1)
Publication Number | Publication Date |
---|---|
ES467883A1 true ES467883A1 (es) | 1978-11-01 |
Family
ID=4309904
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES467883A Expired ES467883A1 (es) | 1977-05-25 | 1978-03-15 | Equipo codificador y descodificador de senales electricas comprendidas en una banda de frecuencia prefijada |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH621900A5 (es) |
ES (1) | ES467883A1 (es) |
FI (1) | FI72241C (es) |
IT (1) | IT1094267B (es) |
-
1977
- 1977-05-25 CH CH645577A patent/CH621900A5/it not_active IP Right Cessation
-
1978
- 1978-02-27 FI FI780649A patent/FI72241C/fi not_active IP Right Cessation
- 1978-03-10 IT IT21090/78A patent/IT1094267B/it active
- 1978-03-15 ES ES467883A patent/ES467883A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI780649A (fi) | 1978-11-26 |
FI72241B (fi) | 1986-12-31 |
IT1094267B (it) | 1985-07-26 |
CH621900A5 (en) | 1981-02-27 |
IT7821090A0 (it) | 1978-03-10 |
FI72241C (fi) | 1987-04-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FD1A | Patent lapsed |
Effective date: 19971001 |