CH430789A - Installation de télévision - Google Patents
Installation de télévisionInfo
- Publication number
- CH430789A CH430789A CH409364A CH409364A CH430789A CH 430789 A CH430789 A CH 430789A CH 409364 A CH409364 A CH 409364A CH 409364 A CH409364 A CH 409364A CH 430789 A CH430789 A CH 430789A
- Authority
- CH
- Switzerland
- Prior art keywords
- installation
- Prior art date
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
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N7/17309—Transmission or handling of upstream communications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
- H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2624663 | 1963-07-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
CH430789A true CH430789A (fr) | 1967-02-28 |
Family
ID=10240636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH409364A CH430789A (fr) | 1963-07-02 | 1964-03-31 | Installation de télévision |
Country Status (1)
Country | Link |
---|---|
CH (1) | CH430789A (fr) |
-
1964
- 1964-03-31 CH CH409364A patent/CH430789A/fr unknown
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