Cordless telephone and method of synchronization for secure, hig

Details Cordless telephone and method of synchronization for secure, hig Cordless telephone and method of synchronization for secure, hig

1997-04-04

1999-11-23

Trost, William G.

Telecommunications

Radiotelephone system

Auxiliary data signaling

455465, 375355, 375357, 375364, H04Q 730, H04Q 732

Patent

active

059916320

ABSTRACT:
A cordless telephone includes a base unit having a data generator which generates a digital data burst having a transition period, a data encoder which encodes the digital data burst, and a transmitter which transmits the encoded data burst; and a handset having a receiver responsive to and sampling the encoded data burst, and a synchronization device operatively coupled to the receiver for maintaining synchronization between the receiver and the transmitted encoded data burst in accordance with a characteristic of an expected time of transition of an incoming signal of the data encoder by comparing an actual time of transition to the expected time of transition and adjusting a sampling point of the transmitted encoded data burst by a one-sided majority vote of samples around the sampling point.

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patent: 5703934 (1997-12-01), Zicker et al.
patent: 5842122 (1998-11-01), Schellinger et al.
patent: 5848095 (1998-12-01), Deutsch

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