Satellite broadcast receiver

Details Satellite broadcast receiver Satellite broadcast receiver

1991-08-01

1994-05-17

Eisenzopf, Reinhard J.

Telecommunications

Wireless distribution system

455148, 4551542, 4551551, 4551841, 4552263, 348729, 348731, H04B 1702

Patent

active

053136519

ABSTRACT:
A receiver apparatus detects a received level from an AGC voltage relative to a received signal. For measuring the received level (a level outputted from an antenna), noise levels at predetermined frequencies higher and lower than the broadcast frequency band and a received signal level upon receiving a broadcast at an arbitrary channel are measured, and a received level corresponding to C/N at the received channel is calculated from the three measured values, thereby eliminating received level calculation differences among channels occurring when the received level is calculated on the basis of the AGC voltage.

REFERENCES:
patent: 4032716 (1977-06-01), Allen
patent: 4214273 (1980-07-01), Brown
patent: 4650968 (1986-08-01), Hayashi
patent: 4761825 (1988-08-01), Ma
patent: 4935814 (1990-06-01), Omoto et al.
patent: 5089885 (1992-02-01), Clark
patent: 5103313 (1992-04-01), Chan et al.
patent: 5134707 (1992-07-01), Sakashita et al.

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