NL7113389A - - Google Patents
Info
- Publication number
- NL7113389A NL7113389A NL7113389A NL7113389A NL7113389A NL 7113389 A NL7113389 A NL 7113389A NL 7113389 A NL7113389 A NL 7113389A NL 7113389 A NL7113389 A NL 7113389A NL 7113389 A NL7113389 A NL 7113389A
- Authority
- NL
- Netherlands
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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/06—Non-recursive filters
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Mathematical Physics (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Dc Digital Transmission (AREA)
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7113389A NL7113389A (https=) | 1971-09-30 | 1971-09-30 | |
| DE19722245072 DE2245072A1 (de) | 1971-09-30 | 1972-09-14 | Signaluebertragungsschaltung mit einer kodier- bzw. dekodierschaltung |
| JP9628772A JPS4843861A (https=) | 1971-09-30 | 1972-09-27 | |
| GB4460772A GB1395565A (en) | 1971-09-30 | 1972-09-27 | Secret transmission system |
| FR7234539A FR2155438A5 (https=) | 1971-09-30 | 1972-09-29 | |
| US05/587,637 US4064505A (en) | 1971-09-30 | 1975-06-17 | Signal transmission circuit comprising a coder and a decoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL7113389A NL7113389A (https=) | 1971-09-30 | 1971-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7113389A true NL7113389A (https=) | 1973-04-03 |
Family
ID=19814133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7113389A NL7113389A (https=) | 1971-09-30 | 1971-09-30 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS4843861A (https=) |
| DE (1) | DE2245072A1 (https=) |
| FR (1) | FR2155438A5 (https=) |
| GB (1) | GB1395565A (https=) |
| NL (1) | NL7113389A (https=) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5336439A (en) * | 1976-09-16 | 1978-04-04 | Mitsubishi Electric Corp | Information processor |
| NL8001118A (nl) * | 1980-02-25 | 1981-09-16 | Philips Nv | Inrichting voor het opnemen of weergeven van geluidstrillingen. |
| JPS57113647A (en) * | 1980-12-30 | 1982-07-15 | Oikawa Hisao | Signal concealing device |
-
1971
- 1971-09-30 NL NL7113389A patent/NL7113389A/xx unknown
-
1972
- 1972-09-14 DE DE19722245072 patent/DE2245072A1/de active Pending
- 1972-09-27 GB GB4460772A patent/GB1395565A/en not_active Expired
- 1972-09-27 JP JP9628772A patent/JPS4843861A/ja active Pending
- 1972-09-29 FR FR7234539A patent/FR2155438A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1395565A (en) | 1975-05-29 |
| FR2155438A5 (https=) | 1973-05-18 |
| JPS4843861A (https=) | 1973-06-25 |
| DE2245072A1 (de) | 1973-04-05 |