JPS61256878A - Catvの視聴制御装置 - Google Patents
Catvの視聴制御装置Info
- Publication number
- JPS61256878A JPS61256878A JP61051693A JP5169386A JPS61256878A JP S61256878 A JPS61256878 A JP S61256878A JP 61051693 A JP61051693 A JP 61051693A JP 5169386 A JP5169386 A JP 5169386A JP S61256878 A JPS61256878 A JP S61256878A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- frequency
- catv
- jamming
- converter
- 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.)
- Granted
Links
- 230000000007 visual effect Effects 0.000 title description 5
- 230000010355 oscillation Effects 0.000 claims description 10
- 101710162453 Replication factor A Proteins 0.000 claims 1
- 102100035729 Replication protein A 70 kDa DNA-binding subunit Human genes 0.000 claims 1
- 230000008054 signal transmission Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 238000001228 spectrum Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 22
- 238000012937 correction Methods 0.000 description 12
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000004891 communication Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000002452 interceptive effect Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229920000729 poly(L-lysine) polymer Polymers 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000005236 sound signal Effects 0.000 description 2
- 101150065825 CMPK1 gene Proteins 0.000 description 1
- 101100453619 Danio rerio cmpk gene Proteins 0.000 description 1
- 206010021033 Hypomenorrhoea Diseases 0.000 description 1
- 101150065817 ROM2 gene Proteins 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61051693A JPS61256878A (ja) | 1986-03-10 | 1986-03-10 | Catvの視聴制御装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61051693A JPS61256878A (ja) | 1986-03-10 | 1986-03-10 | Catvの視聴制御装置 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59260502A Division JPS61139176A (ja) | 1984-12-10 | 1984-12-10 | Catvの視聴制御装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61256878A true JPS61256878A (ja) | 1986-11-14 |
| JPH0560717B2 JPH0560717B2 (de) | 1993-09-02 |
Family
ID=12893979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61051693A Granted JPS61256878A (ja) | 1986-03-10 | 1986-03-10 | Catvの視聴制御装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61256878A (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007295452A (ja) * | 2006-04-27 | 2007-11-08 | Dx Antenna Co Ltd | 特定チャンネル妨害装置 |
-
1986
- 1986-03-10 JP JP61051693A patent/JPS61256878A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007295452A (ja) * | 2006-04-27 | 2007-11-08 | Dx Antenna Co Ltd | 特定チャンネル妨害装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0560717B2 (de) | 1993-09-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS61139176A (ja) | Catvの視聴制御装置 | |
| US4454538A (en) | Data communication in CATV system | |
| EP0096724B1 (de) | Verschlüsselung durch sync-unterdrückung von fernsehsignalen in abonnements-fernseh-sendungen | |
| KR100269004B1 (ko) | 다중채널 텔레비젼 신호 스크램블링과 디스크램블링 시스템 및 방법 | |
| AU616859B2 (en) | Cable television spread spectrum data transmission apparatus | |
| EP0113148B1 (de) | Verfahren und Vorrichtung zum Steuern des Zugangs zu angewählten Fernsehprogrammen | |
| US4434436A (en) | Addressable premium channel obfuscation device for cable television systems | |
| US4792971A (en) | Selective viewing control system for CATV | |
| JP3162371B2 (ja) | オフープレミス・ケーブル・テレビジョン・チャンネルの阻止方法および装置 | |
| US2567539A (en) | Subscriber television system | |
| US4914695A (en) | Method and apparatus for frequency control of multiple oscillators using a single frequency-locked-loop | |
| US4682359A (en) | Television picture and sound scrambler and method | |
| GB2038137A (en) | Coding and decoding of TV signals | |
| US5095279A (en) | Variable frequency sine wave carrier signal generator | |
| JPH07245597A (ja) | スペクトラム拡散通信方法及び送受信装置 | |
| US4302628A (en) | Analog signal encrypting and decrypting system | |
| US4034402A (en) | Video scrambling system | |
| JPS61256878A (ja) | Catvの視聴制御装置 | |
| US5091935A (en) | Method and system for scrambling information signals | |
| US4542407A (en) | Method and apparatus for scrambling and descrambling television programs | |
| US5276734A (en) | Oscillator system | |
| JPS58221577A (ja) | Catv信号分配方式 | |
| US2973406A (en) | Subscription television systems and method of operating the same | |
| US2691060A (en) | Subscription television transmitter | |
| JPH06101842B2 (ja) | Catvシステムにおける妨害信号発生回路 |