CA1148251A - Unite de commande pour abonne de systeme de television et methode d'utilisation - Google Patents
Unite de commande pour abonne de systeme de television et methode d'utilisationInfo
- Publication number
- CA1148251A CA1148251A CA000397267A CA397267A CA1148251A CA 1148251 A CA1148251 A CA 1148251A CA 000397267 A CA000397267 A CA 000397267A CA 397267 A CA397267 A CA 397267A CA 1148251 A CA1148251 A CA 1148251A
- Authority
- CA
- Canada
- Prior art keywords
- frequency
- signal
- input
- line
- carrier
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 45
- 239000013078 crystal Substances 0.000 claims abstract description 9
- 230000004044 response Effects 0.000 claims abstract description 4
- 230000008569 process Effects 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 14
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 24
- 239000013641 positive control Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 238000007792 addition Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 206010001497 Agitation Diseases 0.000 description 1
- 244000287680 Garcinia dulcis Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Landscapes
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000397267A CA1148251A (fr) | 1976-04-08 | 1982-02-26 | Unite de commande pour abonne de systeme de television et methode d'utilisation |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US675,138 | 1976-04-08 | ||
| US05/675,138 US4081831A (en) | 1976-04-08 | 1976-04-08 | High security subscription television system employing real time control of subscriber's program reception |
| CA275,912A CA1123949A (fr) | 1976-04-08 | 1977-04-07 | Systeme de television par abonnement a haute securite utilisant le controle en temps reel de la reception de programmes par l'abonne |
| CA000397267A CA1148251A (fr) | 1976-04-08 | 1982-02-26 | Unite de commande pour abonne de systeme de television et methode d'utilisation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1148251A true CA1148251A (fr) | 1983-06-14 |
Family
ID=27165017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000397267A Expired CA1148251A (fr) | 1976-04-08 | 1982-02-26 | Unite de commande pour abonne de systeme de television et methode d'utilisation |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1148251A (fr) |
-
1982
- 1982-02-26 CA CA000397267A patent/CA1148251A/fr not_active Expired
Similar Documents
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |