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Browse Prior Art Database

USER STATUS UPDATE AND SELECTIVE SHUTDOWN

IP.com Disclosure Number: IPCOM000006130D
Original Publication Date: 1991-Apr-01
Included in the Prior Art Database: 2001-Dec-06
Document File: 2 page(s) / 61K

Publishing Venue

Motorola

Related People

Timothy C. Laflin: AUTHOR

Abstract

In most applications of synchronous data trans- type of information. Two examples of this type of missions, the user is not given the status of signaling decode are as follows: when termination of decoding is requested. Most devices have a simple on/off switch and the user The receiver can simply give information to the simply interrupts the power to the receiver. In some display to tell the user the receiver's status and if the applications it is useful to know the status of the user wishes to continue with the shutdown procedure. decoding receiver before the decision is made to Examples of typical messages are given in Figure 1. remove power. There can be various versions of this Simple Status Update Before Acting UNlTM3TSYNCHFiONOUS RECEIVER OFF Status Acknowledged FIGURE 1 0 MotOlOla. 1°C. 1991 143 0 M MOTOROLA INC. Technical Developments Volume 12 April 1991 The second example is a bit more sophisticated than the first. This method relies on the receiver to send information to some back end process which will selectively shut down the receiver when it is no longer receiving data and is not synchronous. Examples of this can be seen in Figure 2.

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Page 1 of 2

0 M

MOTOROLA INC. Technical Developments Volume 12 April 1991

USER STATUS UPDATE AND SELECTIVE SHUTDOWN

by Timothy C. Laflin

  In most applications of synchronous data trans- type of information. Two examples of this type of missions, the user is not given the status of signaling decode are as follows:
when termination of decoding is requested. Most
devices have a simple on/off switch and the user The receiver can simply give information to the simply interrupts the power to the receiver. In some display to tell the user the receiver's status and if the applications it is useful to know the status of the user wishes to continue with the shutdown procedure. decoding receiver before the decision is made to Examples of typical messages are given in Figure 1. remove power. There can be various versions of this

Simple Status Update Before Acting

UNlTM3TSYNCHFiONOUS

RECEIVER OFF Status Acknowledged

FIGURE 1

0 MotOlOla. 1°C. 1991

143

[This page contains 14 pictures or other non-text objects]

Page 2 of 2

0 M

MOTOROLA INC. Technical Developments Volume 12 April 1991

The second example is a bit more sophisticated than the first. This method relies on the receiver to

send information to some back end process which will

selectively shut down the receiver when it is no longer

receiving data and is not synchronous. Examples of this can be seen in Figure 2.

Receiver Controled Shutdown

Request

SHU~~Y~'VNRKJJES~ED

    t RECEIVING OR NOT RECEIVING DATA

S SYNCHROWJS

$

DKX)DE UNllL ASYNCH...