H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/22
H04N 7/16 (2006.01) H04N 7/10 (2006.01) H04H 1/00 (2006.01)
Patent
CA 1310398
- 63 - "CONTROL AND METERING SYSTEM FOR PAY TELEVISION OVER A CABLE NETWORK" ABSTRACT OF THE DISCLOSURE An improved control and metering system for pay television distribution over a cable network. A control unit is located near each receiver on a subscribers prem- ises and a secure filter, switching and metering unit is located external to the subscribers home. For the basic apparatus power and control signals needed to operate the external unit require no separate wiring as these signals are multiplexed over the coaxial cable that carries the TV signal into the home. An improved switch in the ex- ternal unit activates a temperature compensated digital metering unit that displays either (or both) the time that the premium programming has been accessed or the totalized cost of the pay programming accessed. When implemented in high density housing districts common equipment is centralized and the apparatus is know as a switched star configuration. Also included is apparatus that permits metering to be accomplished at a central location for a community. The apparatus allows for tier- ing of pay programming utilizing different rates. The system is secure without scrambling or jamming. Another version of the apparatus permits Cable TV Operators to - 64 - sell common carrier services to independent programmers according to utilization. The apparatus also allows for interfacing the cable TV network with a fibre optic tele- vision distribution network, for subscriber switching between the two systems and the metering of the utiliza- tion of such an apparatus. The system introduces the idea of a Fibre Optic Video Party-Line to reduce imple- mentation costs.
527836
Bradley Graham Cameron
Stretten Alton Orval
Stretten John Patrick
Wentzel Rex Bradley
Battison Williams Dupuis
Global Technologies Inc.
Saskatchewan Telecommunications International Inc.
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