Ingress/egress management system

Details Ingress/egress management system Ingress/egress management system

1996-08-27

1998-07-07

Powell, Mark R.

Television

Special applications

Manufacturing

348 4, 348 12, 348180, 455 51, H04N 710, H04N 700

Patent

active

057776628

ABSTRACT:
An RF ingress/egress management system is made up of three major components. (1) A headend monitoring receiver, that is frequency tunable from 5 to 50 MHz, is capable of decoding and reading a unique tone that is transmitted and enters a cable flaw and is returned to the headend via the upstream coaxial plant. (2) A mobile transceiver global positioning satellite (GPS) system receives RF egress in the 50 MHz to 1 GHz region and stamps a GPS coordinate and stores that information. Also, a 5 to to MHz transmitter modulated with GPS coordinates transmits sufficient power to enter the cable television system flaw and be received at the headend location via the headend monitor. (3) A computer software system quantifies the cable flaw at egress and ingress frequencies and assigns a coordinate and figure of merit so that a repair technician can expedite repair of the coaxial plant.

REFERENCES:
patent: 4072899 (1978-02-01), Shimp
patent: 4413229 (1983-11-01), Grant
patent: 5294937 (1994-03-01), Ostteen et al.
patent: 5465112 (1995-11-01), Nakao
patent: 5585842 (1996-12-01), Chappell et al.
patent: 5608428 (1997-03-01), Bush

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