Automatic centralized monitoring system
First Claim
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1. An automatic centralized monitoring system capable of monitoring various functions in a plurality of premises:
- comprising, a central station, said premises being adapted to be linked to said central station, monitoring means comprising one or more sensors adapted to be located in each of said premises, a plurality of m line driver means located at said central station linked to said premises, said premises being arranged in m unique groups with each group having a capacity of n premises, (m and n each being integers greater than one), each of the m line driver means being connected to a respective one of the unique groups, said line driver means being controlled by a computer means which is arranged to cause all the line driver means to;
(a) simultaneously select a predetermined first one of each of the n premises of its respective group of premises;
(b) read the sensor, or sensors, at each of the predetermined premises simultaneously, multiplex the readings, and transmit the multiplexed readings from all of the line driver means to the computer which can then rapidly interpret the received readings;
(c) simultaneously select a predetermined second one of the n premises of its respective group of premises, and repeat the process of "b;
"(d) continue to select an additional predetermined premise in each group in the manner described in a and b until all n premises have been interrogated, whereby the total time of scanning and interpreting is made short by using the speed of the computer for demultiplexing and interpreting.
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Abstract
An automatic centralized monitoring system capable of monitoring various sensors in a plurality of premises with rapidity; this is accomplished by combining the premises into a plurality of groups; the central station is provided with as many computer-controlled line drivers as there are groups; all of the line drivers are able to simultaneously read the sensors in one premise of each group. The sensor readings are multiplexed and returned to the computer which interprets the readings.
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Citations
11 Claims
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1. An automatic centralized monitoring system capable of monitoring various functions in a plurality of premises:
- comprising, a central station, said premises being adapted to be linked to said central station, monitoring means comprising one or more sensors adapted to be located in each of said premises, a plurality of m line driver means located at said central station linked to said premises, said premises being arranged in m unique groups with each group having a capacity of n premises, (m and n each being integers greater than one), each of the m line driver means being connected to a respective one of the unique groups, said line driver means being controlled by a computer means which is arranged to cause all the line driver means to;
(a) simultaneously select a predetermined first one of each of the n premises of its respective group of premises; (b) read the sensor, or sensors, at each of the predetermined premises simultaneously, multiplex the readings, and transmit the multiplexed readings from all of the line driver means to the computer which can then rapidly interpret the received readings; (c) simultaneously select a predetermined second one of the n premises of its respective group of premises, and repeat the process of "b;
"(d) continue to select an additional predetermined premise in each group in the manner described in a and b until all n premises have been interrogated, whereby the total time of scanning and interpreting is made short by using the speed of the computer for demultiplexing and interpreting. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
- comprising, a central station, said premises being adapted to be linked to said central station, monitoring means comprising one or more sensors adapted to be located in each of said premises, a plurality of m line driver means located at said central station linked to said premises, said premises being arranged in m unique groups with each group having a capacity of n premises, (m and n each being integers greater than one), each of the m line driver means being connected to a respective one of the unique groups, said line driver means being controlled by a computer means which is arranged to cause all the line driver means to;
Specification