JPS5628575A - Audient channel selecting method in catv system - Google Patents
Audient channel selecting method in catv systemInfo
- Publication number
- JPS5628575A JPS5628575A JP10444879A JP10444879A JPS5628575A JP S5628575 A JPS5628575 A JP S5628575A JP 10444879 A JP10444879 A JP 10444879A JP 10444879 A JP10444879 A JP 10444879A JP S5628575 A JPS5628575 A JP S5628575A
- Authority
- JP
- Japan
- Prior art keywords
- channel
- sound
- signal
- audient
- center
- 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
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
- H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10444879A JPS5628575A (en) | 1979-08-16 | 1979-08-16 | Audient channel selecting method in catv system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10444879A JPS5628575A (en) | 1979-08-16 | 1979-08-16 | Audient channel selecting method in catv system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5628575A true JPS5628575A (en) | 1981-03-20 |
JPS6247395B2 JPS6247395B2 (fr) | 1987-10-07 |
Family
ID=14380910
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10444879A Granted JPS5628575A (en) | 1979-08-16 | 1979-08-16 | Audient channel selecting method in catv system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5628575A (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5630203A (en) * | 1993-01-12 | 1997-05-13 | Weinblatt; Lee S. | Technique for surveying a radio or a television audience |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4950819A (fr) * | 1972-05-16 | 1974-05-17 |
-
1979
- 1979-08-16 JP JP10444879A patent/JPS5628575A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4950819A (fr) * | 1972-05-16 | 1974-05-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS6247395B2 (fr) | 1987-10-07 |
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