H - Electricity – 04 – N
Patent
H - Electricity
04
N
350/24, 340/90
H04N 7/10 (2006.01) H04L 12/28 (2006.01) H04N 7/00 (2006.01) H04N 7/173 (2006.01)
Patent
CA 1138070
BI-DIRECTIONAL CATV DATA TRANSMISSION AND CONTROL SYSTEM Abstract of the Invention A bi-directional data transmission and control system utilizing a central processing unit and a multiplicity of remote subscribers. Each subscriber is provided with a terminal coupled with the central processing unit by a suit- able medium such as a CATV channel. Each terminal is provided with a demarcation plane separating common circuitry from a number of specialty modules and a common bus therebetween for circuitry simplification, application expandability and individual tailoring. The data transmission scheme efficiently utilizes the frequency spectrum and enhances polling frequency by permitting selective polling of any given specialty module or subscriber at any given time and by permitting simultaneous polling of every subscriber for service calls, thereafter locating the caller with minimal polling. Data transmission protocol is expandable or contractable for each terminal independently of others and permits data transmission between any two points in the system. The system is zoned such that failure of one zone does not disable the entire system.
355815
Gumm Linley F.
Schrock Clifford B.
Cablebus Systems Corporation
Gowling Lafleur Henderson Llp
LandOfFree
Bi-directional catv data transmission and control system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Bi-directional catv data transmission and control system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Bi-directional catv data transmission and control system will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-23032