USER STATUS UPDATE AND SELECTIVE SHUTDOWN
Original Publication Date: 1991-Apr-01
Included in the Prior Art Database: 2001-Dec-06
Publishing Venue
Motorola
Related People
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.
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
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...