JPS5925486A - テレビ有料聴視装置 - Google Patents
テレビ有料聴視装置Info
- Publication number
- JPS5925486A JPS5925486A JP57133945A JP13394582A JPS5925486A JP S5925486 A JPS5925486 A JP S5925486A JP 57133945 A JP57133945 A JP 57133945A JP 13394582 A JP13394582 A JP 13394582A JP S5925486 A JPS5925486 A JP S5925486A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- television
- specific channel
- terminal
- circuit
- 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
- 238000002347 injection Methods 0.000 claims description 25
- 239000007924 injection Substances 0.000 claims description 25
- 238000000605 extraction Methods 0.000 claims description 20
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000010363 phase shift Effects 0.000 abstract description 12
- 238000010586 diagram Methods 0.000 description 10
- 238000004804 winding Methods 0.000 description 8
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000005236 sound signal Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 239000004814 polyurethane Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000000284 extract Substances 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
- H04N7/162—Authorising the user terminal, e.g. by paying; Registering the use of a subscription channel, e.g. billing
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133945A JPS5925486A (ja) | 1982-07-31 | 1982-07-31 | テレビ有料聴視装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57133945A JPS5925486A (ja) | 1982-07-31 | 1982-07-31 | テレビ有料聴視装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5925486A true JPS5925486A (ja) | 1984-02-09 |
| JPH0326599B2 JPH0326599B2 (enrdf_load_stackoverflow) | 1991-04-11 |
Family
ID=15116736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57133945A Granted JPS5925486A (ja) | 1982-07-31 | 1982-07-31 | テレビ有料聴視装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5925486A (enrdf_load_stackoverflow) |
-
1982
- 1982-07-31 JP JP57133945A patent/JPS5925486A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0326599B2 (enrdf_load_stackoverflow) | 1991-04-11 |
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