Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1989-01-10
1992-08-04
Coles, Sr., Edward L.
Communications: electrical
Condition responsive indicating system
Specific condition
340506, 379 37, 379 42, G08B 2100
Patent
active
051362813
ABSTRACT:
A remote monitoring apparatus comprises a computer program controlled monitor for detecting changes in condition responsive relay switches to generate a data signal identifying the change of switch condition, a report assembler which prepares a report in a preselected format identifying the apparatus location and including the data signal generated, and a modem for automatically transmitting the assembled report to a selected number of remote locations connected with the monitoring site by a telecommunication network. The monitoring apparatus repeatedly accesses the telecommunication network until a successful communication has been transmitted to each remote location. The apparatus also senses the loss of a continuous, primary power source and includes a back-up power supply. The program limits the number of unsuccessful attempts which can be made with the back-up power supply and preserves the assembled reports for later transmission when power has been fully restored. In addition, the remote locations to be contacted can be changed as desired, the format of the reports can be adjusted and the normal and alarm conditions of the relay switches can be adjusted as desired to increase the versatility of the monitoring device.
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Coles Sr. Edward L.
Electronic Data Systems Corporation
Jackson Jill
LandOfFree
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