GB2136252B - Polling pattern generator for catv system - Google Patents
Polling pattern generator for catv systemInfo
- Publication number
- GB2136252B GB2136252B GB08329364A GB8329364A GB2136252B GB 2136252 B GB2136252 B GB 2136252B GB 08329364 A GB08329364 A GB 08329364A GB 8329364 A GB8329364 A GB 8329364A GB 2136252 B GB2136252 B GB 2136252B
- Authority
- GB
- United Kingdom
- Prior art keywords
- pattern generator
- catv system
- polling pattern
- polling
- catv
- 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
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/35—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users
- H04H60/38—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space
- H04H60/41—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas
- H04H60/43—Arrangements for identifying or recognising characteristics with a direct linkage to broadcast information or to broadcast space-time, e.g. for identifying broadcast stations or for identifying users for identifying broadcast time or space for identifying broadcast space, i.e. broadcast channels, broadcast stations or broadcast areas for identifying broadcast channels
-
- 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
- H04N7/17309—Transmission or handling of upstream communications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H2201/00—Aspects of broadcast communication
- H04H2201/70—Aspects of broadcast communication characterised in that receivers can be addressed
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H60/00—Arrangements for broadcast applications with a direct linking to broadcast information or broadcast space-time; Broadcast-related systems
- H04H60/09—Arrangements for device control with a direct linkage to broadcast information or to broadcast space-time; Arrangements for control of broadcast-related services
- H04H60/14—Arrangements for conditional access to broadcast information or to broadcast-related services
- H04H60/21—Billing for the use of broadcast information or broadcast-related information
-
- 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
- H04N2007/17372—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal the upstream transmission being initiated or timed by a signal from upstream of the user terminal
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Small-Scale Networks (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
- Selective Calling Equipment (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7358380A JPS56169480A (en) | 1980-05-30 | 1980-05-30 | Inspection signal generating device in catv system |
JP7358480A JPS56169481A (en) | 1980-05-30 | 1980-05-30 | Inspection signal analyzer in catv system |
JP7358580A JPS56169482A (en) | 1980-05-30 | 1980-05-30 | Test system for terminal device in catv system |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8329364D0 GB8329364D0 (en) | 1983-12-07 |
GB2136252A GB2136252A (en) | 1984-09-12 |
GB2136252B true GB2136252B (en) | 1985-04-11 |
Family
ID=27301256
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8116554A Expired GB2078065B (en) | 1980-05-30 | 1981-05-29 | Polling pattern generator for catv system |
GB08329364A Expired GB2136252B (en) | 1980-05-30 | 1983-11-03 | Polling pattern generator for catv system |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8116554A Expired GB2078065B (en) | 1980-05-30 | 1981-05-29 | Polling pattern generator for catv system |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR2483718A1 (en) |
GB (2) | GB2078065B (en) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2136321B2 (en) * | 1971-07-21 | 1980-01-03 | Robert Bosch Gmbh, 7000 Stuttgart | Methods for monitoring vehicles |
US3806814A (en) * | 1972-04-26 | 1974-04-23 | Hughes Aircraft Co | Phantom subscriber |
JPS4987986A (en) * | 1972-12-12 | 1974-08-22 | ||
US3997718A (en) * | 1973-02-01 | 1976-12-14 | The Magnavox Company | Premium interactive communication system |
DE2433025A1 (en) * | 1974-07-10 | 1976-01-22 | Bosch Gmbh Robert | METHOD AND DEVICE FOR CONTROLLING AND MONITORING ELECTRICAL SWITCHING OPERATIONS, IN PARTICULAR IN MOTOR VEHICLES |
US4532509A (en) * | 1974-11-18 | 1985-07-30 | General Signal Corporation | Communication system having timer controlled field stations |
GB1554411A (en) * | 1975-08-09 | 1979-10-17 | Communications Patents Ltd | Control systems |
GB1565943A (en) * | 1978-01-31 | 1980-04-23 | Osaki Electric Co Ltd | Sequence control system having functions of automatic prevention and maintenance |
-
1981
- 1981-05-29 FR FR8110715A patent/FR2483718A1/en active Granted
- 1981-05-29 GB GB8116554A patent/GB2078065B/en not_active Expired
-
1983
- 1983-11-03 GB GB08329364A patent/GB2136252B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB8329364D0 (en) | 1983-12-07 |
GB2078065A (en) | 1981-12-23 |
FR2483718B1 (en) | 1985-03-15 |
FR2483718A1 (en) | 1981-12-04 |
GB2136252A (en) | 1984-09-12 |
GB2078065B (en) | 1984-06-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |