NL195397A - - Google Patents
Info
- Publication number
- NL195397A NL195397A NL195397DA NL195397A NL 195397 A NL195397 A NL 195397A NL 195397D A NL195397D A NL 195397DA NL 195397 A NL195397 A NL 195397A
- Authority
- NL
- Netherlands
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)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Selective Calling Equipment (AREA)
- Processing Of Color Television Signals (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 |
|---|---|
| NL195397A true NL195397A (de) |
Family
ID=23644801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL195397D NL195397A (de) | 1954-03-10 |
Country Status (7)
| Country | Link |
|---|---|
| US (2) | US2813145A (de) |
| BE (2) | BE536353A (de) |
| CH (2) | CH334481A (de) |
| DE (1) | DE1045449B (de) |
| FR (2) | FR1130228A (de) |
| GB (1) | GB766620A (de) |
| NL (1) | NL195397A (de) |
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
- NL NL195397D patent/NL195397A/xx unknown
- BE BE536354D patent/BE536354A/xx unknown
- US US24926D patent/USRE24926E/en not_active Expired
- BE BE536353D patent/BE536353A/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 FR FR1130228D patent/FR1130228A/fr not_active Expired
- 1955-03-07 FR FR1124953D patent/FR1124953A/fr not_active Expired
- 1955-03-07 DE DEZ4774A patent/DE1045449B/de active Pending
- 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 |
|---|---|
| CH334481A (de) | 1958-11-30 |
| USRE24926E (en) | 1961-01-17 |
| US2813145A (en) | 1957-11-12 |
| FR1130228A (fr) | 1957-02-01 |
| BE536354A (de) | |
| FR1124953A (fr) | 1956-10-22 |
| GB766620A (en) | 1957-01-23 |
| CH341189A (de) | 1959-09-30 |
| BE536353A (de) | |
| DE1045449B (de) | 1958-12-04 |