DE3927338C2 - - Google Patents
Info
- Publication number
- DE3927338C2 DE3927338C2 DE19893927338 DE3927338A DE3927338C2 DE 3927338 C2 DE3927338 C2 DE 3927338C2 DE 19893927338 DE19893927338 DE 19893927338 DE 3927338 A DE3927338 A DE 3927338A DE 3927338 C2 DE3927338 C2 DE 3927338C2
- Authority
- DE
- Germany
- Prior art keywords
- signal
- line
- code
- circuit arrangement
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000015654 memory Effects 0.000 claims description 30
- 230000001419 dependent effect Effects 0.000 claims description 3
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- 238000007493 shaping process Methods 0.000 claims description 2
- 230000002123 temporal effect Effects 0.000 claims 1
- 230000003111 delayed effect Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 210000001072 colon Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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
- H04N7/169—Systems operating in the time domain of the television signal
- H04N7/1696—Systems operating in the time domain of the television signal by changing or reversing the order of active picture signal portions
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893927338 DE3927338A1 (de) | 1989-08-18 | 1989-08-18 | Verfahren und schaltungsanordnung zur fernsehbildverwuerfelung |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19893927338 DE3927338A1 (de) | 1989-08-18 | 1989-08-18 | Verfahren und schaltungsanordnung zur fernsehbildverwuerfelung |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE3927338A1 DE3927338A1 (de) | 1991-02-21 |
| DE3927338C2 true DE3927338C2 (cs) | 1991-09-05 |
Family
ID=6387393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19893927338 Granted DE3927338A1 (de) | 1989-08-18 | 1989-08-18 | Verfahren und schaltungsanordnung zur fernsehbildverwuerfelung |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE3927338A1 (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0620690B1 (en) * | 1993-04-15 | 1999-01-27 | Matsushita Electric Industrial Co., Ltd. | Video signal encrypting apparatus |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AT27756B (de) * | 1903-11-25 | 1907-03-11 | Wilhelm Schmidt | Überhitzer für Rauchröhrenkessel. |
| US4405942A (en) * | 1981-02-25 | 1983-09-20 | Telease, Inc. | Method and system for secure transmission and reception of video information, particularly for television |
| DE3729696A1 (de) * | 1987-09-04 | 1989-03-23 | Siemens Ag | Verfahren zur verbesserung der verschluesselungssicherheit von digitalen bildsignalen |
-
1989
- 1989-08-18 DE DE19893927338 patent/DE3927338A1/de active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE3927338A1 (de) | 1991-02-21 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OP8 | Request for examination as to paragraph 44 patent law | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |