Encoder for transmitted message activation code

Details Encoder for transmitted message activation code Encoder for transmitted message activation code

1981-10-13

1984-01-24

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

34082544, 34082547, 179 2EC, H04Q 700, H04Q 900, H04M 1102

Patent

active

044279809

ABSTRACT:
The encoder which preferably produces a transmitted digital word which serves as an activation code for a single receiver or a group of receivers. The activation code effects only the receiver(s) that have previously detected their digital address and are therefore prepared to enter a message receive state. The activation code transmitted by the encoder will cue the receiver(s) simultaneously thereby allowing the encoder to send a single message to a plurality of receivers. The activation code also allows the encoder to interleave messages to receivers by utilizing the customary transmitter down time in a single message transmission. During this down time, the activation code allows the transmitter to begin transmission of a second message to a second receiver. The use of the activation code to interleave messages is especially important in tone and voice transmissions since it significantly increases the efficiency of a heavily loaded system.

REFERENCES:
patent: 3944724 (1976-03-01), Kilby et al.
patent: 4121052 (1978-10-01), Richard
patent: 4178476 (1979-12-01), Frost

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