Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1995-06-28
1999-03-30
Chin, Wellington
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455127, 455517, 455346, H04B 140
Patent
active
058900772
ABSTRACT:
In a first aspect of the invention, when it is expected to disconnect a booster during a call, the station class mark is changed to that applicable when a portable telephone is used as an independent unit in accordance with a key input from the user before the initiation of the call. In a second aspect of the invention, the telephone number of the remote party is stored in a memory during a call. When a connection or disconnection of a booster is detected, the call is terminated, and a redialing operation is automatically performed using the stored telephone number. In a third aspect of the invention, when the connection of a booster is detected during a call, an instruction is given to the booster to operate in a portable telephone mode. In a fourth aspect of the invention, when the connection or disconnection of a booster is detected during a call, a request to change the station class mark is sent to the base station.
REFERENCES:
patent: 5036532 (1991-07-01), Metroka et al.
patent: 5146614 (1992-09-01), Furuno
patent: 5276918 (1994-01-01), Cornforth et al.
patent: 5524044 (1996-06-01), Takeda
Hanawa Tetsuya
Ishida Makoto
Konno Masahiro
Maeda Mitsunori
Nagatani Hiroyuki
Chin Wellington
Fujitsu Limited
Nguyen Lee
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