Motorola Corporation

Gary W Clow

David F Bailey

Merle L Gilmore

Charles J Ganucheau, Jr

Allen J Weidler

An encoder for transmission of a digital deactivation code at the end of a variable length message transmission. The encoder adds a deactivation code to the end of an operator's transmitted message in order to inform the designated message receiving device that the message has concluded and thereby enable transmission of additional information immediately. Preferrably, the encoder transmits a digital deactivation code immediately following a variable length voice message transmission.

Encoder for transmitted message deactivation code

A decoder for receiving a transmitted message followed by a digital deactivation code is described. To prevent unnecessary utilization of a broadcast channel, the decoder responds to a digital deactivation code received at the end of a variable length analog or digital message.

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Sierra Madre, CA, United States of America

Gary W Clow