Telecommunications – Radiotelephone system – Programming control
Patent
1996-08-26
1997-08-12
Coles, Sr., Edward L.
Telecommunications
Radiotelephone system
Programming control
455557, H04M 1100
Patent
active
056573715
ABSTRACT:
In the connection between a radio telephone and a computer, the functions are divided substantially into two parts: adaptation of the levels of the interface connection wires is handled by the circuits of the cradle (2) of the radio telephone (1), and the control logic is disposed in the communications software (SW) of the computer (3). Physically, the interface comprises an RS232 interface (5) for the control and a two-wire PSTN line (6) between the modem (4) and the telephone.
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patent: 5065425 (1991-11-01), Lecomte et al.
patent: 5117452 (1992-05-01), Callele et al.
patent: 5127041 (1992-06-01), O'Sullivan
patent: 5179586 (1993-01-01), Lee
patent: 5214650 (1993-05-01), Renner et al.
patent: 5249218 (1993-09-01), Sainton
patent: 5408520 (1995-04-01), Clark et al.
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Finnish Office Action dated Sep. 30, 1993 on priority Finnish Application No. 930436.
English translation of Finnish Office Action.
Suomi Arto
Terho Mikko
Coles Sr. Edward L.
Nokia Mobile Phones Limited
Williams Kimberly A.
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