Telegraphy – Systems – Printing
Patent
1974-11-29
1976-09-28
Britton, Howard W.
Telegraphy
Systems
Printing
178DIG13, 330148, H04N 710
Patent
active
039834867
ABSTRACT:
A CATV system is described wherein distribution cables are provided with amplifying means spaced at uniform intervals therealong. The amplifiers are provided with an input tap and two output taps, the first of which provides the usual gain to provide an output level equal to the input level plus the attenuation suffered by the signal traversing the cable from the preceding amplifier. The second output is provided by each amplifier by tapping the output signal at the first output tap with a directional coupler and processing the signal through an equalizer and coupling the output of the equalizer through a second directional coupler to a second output terminal. The signal derived at the second output terminal is such that a second identical amplifier connected to it will produce in its first output the signal levels required in the feeder system, when the first amplifier is operated at the signal levels appropriate for the main trunk system. Typically, the second output terminal is at a level equal to the input level for that signal plus one-half of the attenuation suffered by that signal traversing the cable from the preceding amplifier; for this case, the signal at the second output is chosen at a level that would otherwise occur at one-half of the normal amplifier spacing along the cable. The output level available at the second output is also applied through a directional coupler to a 4-way splitter, the output of which is connected to four house taps also provided on each amplifier.
REFERENCES:
patent: 3386568 (1968-06-01), Harmon
patent: 3535640 (1970-10-01), Forrest
Alpha Engineering Corporation
Britton Howard W.
LandOfFree
Modular CATV 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 Modular CATV system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Modular CATV system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2083083