Patent Number: 6,169,905

Title: Digital cordless telephone apparatus

Abstract: A method of controlling a digital cordless telephone apparatus formed of a plurality of master stations and a plurality of remote stations is provided. This method comprises the steps of making a telephone call among the master stations and the remote stations by transmitting and receiving digital data with different timings, and setting a common system access code in respective master stations so as to make a telephone call become possible among all of the master stations and the remote stations, wherein other master station receives a control signal included in the system access code transmitted from a main master station of a plurality of the master stations, a control signal from other master station is transmitted in synchronism with a reception timing of the control signal and the remote station turns on and off a power supply of its reception unit on the basis of the control signal transmitted thereto.

Inventors: Fukuda; Kunio (Tokyo, JP)

Assignee: Sony Corporation

International Classification: H04M 1/72 (20060101); H04M 1/73 (20060101); H04M 1/733 (20060101); H04Q 007/20 ()

Expiration Date: 01/02/2018