BE474240A - - Google Patents
Info
- Publication number
- BE474240A BE474240A BE474240DA BE474240A BE 474240 A BE474240 A BE 474240A BE 474240D A BE474240D A BE 474240DA BE 474240 A BE474240 A BE 474240A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
- H04N7/165—Centralised control of user terminal ; Registering at central
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1018255T | 1947-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474240A true BE474240A (en:Method) |
Family
ID=9574963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474240D BE474240A (en:Method) | 1947-06-30 |
Country Status (2)
| Country | Link |
|---|---|
| BE (1) | BE474240A (en:Method) |
| FR (1) | FR1018255A (en:Method) |
-
0
- BE BE474240D patent/BE474240A/xx unknown
-
1947
- 1947-06-30 FR FR1018255D patent/FR1018255A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1018255A (fr) | 1953-01-05 |