Cordless telephone set with a battery and a battery charger and

Details Cordless telephone set with a battery and a battery charger and Cordless telephone set with a battery and a battery charger and

1995-10-10

1997-01-21

Cumming, William

Telephonic communications

Audio message storage, retrieval, or synthesis

455 89, H04Q 720

Patent

active

055966268

ABSTRACT:
A cordless telephone set includes a battery, and a communications part for communicating with another cordless telephone set via a transmission medium including radio channels, the communications part comprising a part which detects a call received via the transmission medium and indicates receipt of the call. A D.C. signal detection unit detects a D.C. signal supplied from a battery charger when a battery is coupled to the battery charger and charged thereby. A power supply line setting unit, which is coupled to the part of the communications part and the D.C. signal detection unit, establishes a power supply line for supplying electricity generated by the battery charger to the part of the communications part when the D.C. signal detection unit detects the D.C. signal.

REFERENCES:
patent: 4458111 (1984-07-01), Sugihara
patent: 4511761 (1985-04-01), Yamazaki et al.
patent: 4595795 (1986-06-01), Endo
patent: 4995072 (1991-02-01), Pedigo
patent: 5175874 (1992-12-01), Auchter
patent: 5481593 (1996-01-01), Nakayama
America Online, "Review: Panasonic EB-H40" Mar. 1995.

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