BE552590A - - Google Patents
Info
- Publication number
- BE552590A BE552590A BE552590DA BE552590A BE 552590 A BE552590 A BE 552590A BE 552590D A BE552590D A BE 552590DA BE 552590 A BE552590 A BE 552590A
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/16—Analogue secrecy systems; Analogue subscription systems
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Materials For Medical Uses (AREA)
- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US546592A US2974305A (en) | 1955-11-14 | 1955-11-14 | Subscription television computer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE552590A true BE552590A (de) |
Family
ID=24181110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE552590D BE552590A (de) | 1955-11-14 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US2974305A (de) |
| BE (1) | BE552590A (de) |
| CH (1) | CH375043A (de) |
| DE (1) | DE1025004B (de) |
| FR (1) | FR1167000A (de) |
| GB (1) | GB834442A (de) |
| NL (1) | NL212145A (de) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3223255A (en) * | 1960-11-04 | 1965-12-14 | Warren E Graybeal | Semi-automatic conveyor control system |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2689082A (en) * | 1954-09-14 | Kolisch | ||
| US2052708A (en) * | 1932-05-25 | 1936-09-01 | Rca Corp | Automatic station selector |
| US2348680A (en) * | 1942-04-29 | 1944-05-09 | Western Electric Co | Switching system |
| US2377205A (en) * | 1942-10-07 | 1945-05-29 | Arthur H Buckley | Cryptographic equipment |
| US2577141A (en) * | 1948-06-10 | 1951-12-04 | Eckert Mauchly Comp Corp | Data translating apparatus |
| US2573349A (en) * | 1949-12-09 | 1951-10-30 | Zenith Radio Corp | Subscriber signaling system |
| US2812509A (en) * | 1953-08-31 | 1957-11-05 | Sperry Rand Corp | Private line system |
-
0
- NL NL212145D patent/NL212145A/xx unknown
- BE BE552590D patent/BE552590A/xx unknown
-
1955
- 1955-11-14 US US546592A patent/US2974305A/en not_active Expired - Lifetime
-
1956
- 1956-10-22 GB GB32083/56A patent/GB834442A/en not_active Expired
- 1956-11-12 DE DEZ5866A patent/DE1025004B/de active Pending
- 1956-11-13 CH CH3955556A patent/CH375043A/de unknown
- 1956-11-13 FR FR1167000D patent/FR1167000A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1167000A (fr) | 1958-11-18 |
| NL212145A (de) | |
| GB834442A (en) | 1960-05-11 |
| CH375043A (de) | 1964-02-15 |
| DE1025004B (de) | 1958-02-27 |
| US2974305A (en) | 1961-03-07 |