CH581412A5 - - Google Patents
Info
- Publication number
- CH581412A5 CH581412A5 CH243275A CH243275A CH581412A5 CH 581412 A5 CH581412 A5 CH 581412A5 CH 243275 A CH243275 A CH 243275A CH 243275 A CH243275 A CH 243275A CH 581412 A5 CH581412 A5 CH 581412A5
- Authority
- CH
- Switzerland
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)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Time-Division Multiplex Systems (AREA)
- Mobile Radio Communication Systems (AREA)
- Transmitters (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH243275A CH581412A5 (US06582424-20030624-M00016.png) | 1975-02-26 | 1975-02-26 | |
| DE2515884A DE2515884C2 (de) | 1975-02-26 | 1975-04-11 | Verfahren und Einrichtungen zur verschlüsselten Übertragung von Nachrichten |
| US05/654,373 US4160123A (en) | 1975-02-26 | 1976-02-02 | Methods of and apparatus for the encoded transmission of information |
| FR7605693A FR2302638A1 (fr) | 1975-02-26 | 1976-02-24 | Procede et dispositif pour la transmission codee d'informations |
| GB7290/76A GB1528273A (en) | 1975-02-26 | 1976-02-24 | Methods of and apparatus for the encoded transmission of information |
| JP51018565A JPS601789B2 (ja) | 1975-02-26 | 1976-02-24 | 情報の暗号化伝送方法及び装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH243275A CH581412A5 (US06582424-20030624-M00016.png) | 1975-02-26 | 1975-02-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH581412A5 true CH581412A5 (US06582424-20030624-M00016.png) | 1976-10-29 |
Family
ID=4233667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH243275A CH581412A5 (US06582424-20030624-M00016.png) | 1975-02-26 | 1975-02-26 |
Country Status (6)
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4443660A (en) * | 1980-02-04 | 1984-04-17 | Rockwell International Corporation | System and method for encrypting a voice signal |
| CA1338158C (en) * | 1982-07-15 | 1996-03-12 | John D. Lowry | Encryption and decryption (scrambling and unscrambling) of video signals |
| US4642688A (en) * | 1983-06-24 | 1987-02-10 | Scientific Atlanta, Inc. | Method and apparatus for creating encrypted and decrypted television signals |
| US5101432A (en) * | 1986-03-17 | 1992-03-31 | Cardinal Encryption Systems Ltd. | Signal encryption |
| JPS6396091U (US06582424-20030624-M00016.png) * | 1986-12-11 | 1988-06-21 | ||
| US6408019B1 (en) | 1997-12-29 | 2002-06-18 | Georgia Tech Research Corporation | System and method for communication using noise |
| US7930331B2 (en) * | 2005-09-26 | 2011-04-19 | Temarylogic Llc | Encipherment of digital sequences by reversible transposition methods |
| CN113296061A (zh) * | 2021-05-19 | 2021-08-24 | 北京无线电测量研究所 | 一种同步脉冲信号的传输方法、系统和电子设备 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3731197A (en) * | 1969-12-15 | 1973-05-01 | Ritt Lab Inc | Secrecy communication system |
| US3657699A (en) * | 1970-06-30 | 1972-04-18 | Ibm | Multipath encoder-decoder arrangement |
| CH518658A (de) * | 1970-07-07 | 1972-01-31 | Patelhold Patentverwaltungs Un | Verfahren zur verschlüsselten Nachrichtenübermittlung durch zeitliche Vertauschung von Informationselementen |
| US3921151A (en) * | 1971-06-21 | 1975-11-18 | Patelhold Patentwerwertungs & | Apparatus for enciphering transmitted data by interchanging signal elements of the transmitted data without overlapping or omitting any elements within the transmitted signal train |
| GB1353693A (en) * | 1971-12-02 | 1974-05-22 | Mullard Ltd | Privacy transmission system |
| CH558993A (de) * | 1973-03-19 | 1975-02-14 | Patelhold Patentverwertung | Verfahren und einrichtung zur verschluesselten nachrichtenuebertragung. |
-
1975
- 1975-02-26 CH CH243275A patent/CH581412A5/xx not_active IP Right Cessation
- 1975-04-11 DE DE2515884A patent/DE2515884C2/de not_active Expired
-
1976
- 1976-02-02 US US05/654,373 patent/US4160123A/en not_active Expired - Lifetime
- 1976-02-24 FR FR7605693A patent/FR2302638A1/fr active Granted
- 1976-02-24 JP JP51018565A patent/JPS601789B2/ja not_active Expired
- 1976-02-24 GB GB7290/76A patent/GB1528273A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2515884C2 (de) | 1983-12-15 |
| FR2302638B1 (US06582424-20030624-M00016.png) | 1980-05-30 |
| GB1528273A (en) | 1978-10-11 |
| DE2515884A1 (de) | 1976-09-09 |
| JPS51109707A (US06582424-20030624-M00016.png) | 1976-09-28 |
| US4160123A (en) | 1979-07-03 |
| JPS601789B2 (ja) | 1985-01-17 |
| FR2302638A1 (fr) | 1976-09-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |