Ingress noise measuring device in data communication network usi

Details Ingress noise measuring device in data communication network usi Ingress noise measuring device in data communication network usi

1998-12-30

2000-12-26

Flynn, Nathan

Television

Two-way video and voice communication

User positioning

348192, H04N 710

Patent

active

061667609

ABSTRACT:
There is provided an ingress noise measuring device for each subscriber's terminal in a data communication network using a cable television (CATV) network. The ingress noise measuring device has a transformer connected between a cable MODEM and the CATV network, a switch connected between the transformer and the cable MODEM, and an RF radio-transmission unit for radio-transmitting an RF signal by switching. A display is connected to a contact point between the transformer and the subscriber's terminal, for visually displaying the strength of the RF signal received from the subscriber's terminal.

REFERENCES:
patent: 3750022 (1973-07-01), Curry et al.
patent: 3875328 (1975-04-01), Gibson et al.
patent: 4581641 (1986-04-01), Turner
patent: 5073822 (1991-12-01), Gumm et al.
patent: 5872456 (1999-02-01), Roderick et al.
patent: 5915205 (1999-06-01), Chen

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