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 (OSRAM) | 
Family
ID=9574963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| BE474240D BE474240A (OSRAM) | 1947-06-30 | 
Country Status (2)
| Country | Link | 
|---|---|
| BE (1) | BE474240A (OSRAM) | 
| FR (1) | FR1018255A (OSRAM) | 
- 
        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 |