Pulse or digital communications – Transceivers – Modems
Patent
1995-09-07
1999-03-23
Vo, Don N.
Pulse or digital communications
Transceivers
Modems
455557, H04B 138
Patent
active
058870261
ABSTRACT:
A transmission level setting circuit outputs a signal having a transmission level with respect to a portable telephone based on a signal transmitted from a modem unit. The transmission level setting circuit includes a part which receives the signal from the modem unit, and a circuit which automatically outputs a signal having a fixed level regardless of the signal transmission level of the modem unit.
REFERENCES:
patent: 4811421 (1989-03-01), Havel et al.
patent: 4989243 (1991-01-01), Choi
Fujitsu Limited
Vo Don N.
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