BE536353A - - Google Patents
Info
- Publication number
- BE536353A BE536353A BE536353DA BE536353A BE 536353 A BE536353 A BE 536353A BE 536353D A BE536353D A BE 536353DA BE 536353 A BE536353 A BE 536353A
- 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
- H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/12—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only
- H04N11/14—Transmission systems characterised by the manner in which the individual colour picture signal components are combined using simultaneous signals only in which one signal, modulated in phase and amplitude, conveys colour information and a second signal conveys brightness information, e.g. NTSC-system
-
- 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
- H04N7/169—Systems operating in the time domain of the television signal
- H04N7/1693—Systems operating in the time domain of the television signal by displacing synchronisation signals relative to active picture signals or vice versa
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Color Television Systems (AREA)
- Processing Of Color Television Signals (AREA)
- Selective Calling Equipment (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US415209A US2813145A (en) | 1954-03-10 | 1954-03-10 | Subscription color television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE536353A true BE536353A (is") |
Family
ID=23644801
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536353D BE536353A (is") | 1954-03-10 | ||
| BE536354D BE536354A (is") | 1954-03-10 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE536354D BE536354A (is") | 1954-03-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US2813145A (is") |
| BE (2) | BE536354A (is") |
| CH (2) | CH334481A (is") |
| DE (1) | DE1045449B (is") |
| FR (2) | FR1124953A (is") |
| GB (1) | GB766620A (is") |
| NL (1) | NL195397A (is") |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2431809A1 (fr) * | 1978-07-20 | 1980-02-15 | Telediffusion Fse | Procedes et dispositifs de brouillage et de debrouillage pour images de television |
| US4454543A (en) * | 1981-11-06 | 1984-06-12 | Oak Industries Inc. | Dynamic video scrambling |
| US4447828A (en) * | 1982-02-25 | 1984-05-08 | Oak Industries Inc. | Phase change dynamic scrambling |
| US4993883A (en) * | 1990-01-16 | 1991-02-19 | Nabisco Brands, Inc. | Pneumatic unloading apparatus for bulk materials |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2521010A (en) * | 1945-12-29 | 1950-09-05 | John H Homrighous | Television system |
| US2619530A (en) * | 1949-11-19 | 1952-11-25 | Zenith Radio Corp | Control system for subscription type television receivers |
-
0
- US US24926D patent/USRE24926E/en not_active Expired
- NL NL195397D patent/NL195397A/xx unknown
- BE BE536353D patent/BE536353A/xx unknown
- BE BE536354D patent/BE536354A/xx unknown
-
1954
- 1954-03-10 US US415209A patent/US2813145A/en not_active Expired - Lifetime
-
1955
- 1955-02-22 GB GB5276/55A patent/GB766620A/en not_active Expired
- 1955-03-07 DE DEZ4774A patent/DE1045449B/de active Pending
- 1955-03-07 FR FR1124953D patent/FR1124953A/fr not_active Expired
- 1955-03-07 FR FR1130228D patent/FR1130228A/fr not_active Expired
- 1955-03-09 CH CH334481D patent/CH334481A/de unknown
- 1955-03-09 CH CH341189D patent/CH341189A/de unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NL195397A (is") | |
| BE536354A (is") | |
| USRE24926E (en) | 1961-01-17 |
| CH341189A (de) | 1959-09-30 |
| GB766620A (en) | 1957-01-23 |
| DE1045449B (de) | 1958-12-04 |
| FR1130228A (fr) | 1957-02-01 |
| FR1124953A (fr) | 1956-10-22 |
| CH334481A (de) | 1958-11-30 |
| US2813145A (en) | 1957-11-12 |