Fault tolerant, self-powered data reporting system
First Claim
1. A fault tolerant, self-powered data gathering system comprising:
- communication means having at least three lines;
controller means connected to said communication means for receiving data messages from remote stations and for supplying power to said remote stations, said controller means having selection means for selecting a pair of said at least three lines over which said data messages can be received, said pair also supplying said power to said remote stations; and
,a plurality of remote stations connected to said communication means, each remote station comprisingrectifier bridge means connected to said at least three lines, said rectifier bridge means accepting a power supply of either polarity and bidirectional data flow,power storage means connected to said rectifier bridge means for storing and power supplied by said controller means,data message means for transmitting data messages to said controller means, andtransmitter means connected to said rectifier bridge means and to said data message means for transmitting said data messages over said communication means to said controller means.
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Accused Products
Abstract
A fault tolerant, self-powered data gathering system is provided having a communication channel having at least three lines, a controller connected to the communication channel for receiving data messages from remote stations and for supplying power to the remote stations, the controller having a selector for selecting a pair of the three lines over which data messages can be received, the pair also supplying the power to the remote stations, and a plurality of remote stations connected to the communication channel, each remote station having a rectifier bridge connected to the three lines, the rectifier bridge accepting power of either polarity and bidirectional data flow, a power store connected to the rectifier bridge for storing power supplied by the controller, a data message apparatus for transmitting data messages to the controller, and a transmitter connected to the rectifier bridge and to the data message apparatus for transmitting the data messages over the communication channel to the controller.
43 Citations
32 Claims
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1. A fault tolerant, self-powered data gathering system comprising:
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communication means having at least three lines; controller means connected to said communication means for receiving data messages from remote stations and for supplying power to said remote stations, said controller means having selection means for selecting a pair of said at least three lines over which said data messages can be received, said pair also supplying said power to said remote stations; and
,a plurality of remote stations connected to said communication means, each remote station comprising rectifier bridge means connected to said at least three lines, said rectifier bridge means accepting a power supply of either polarity and bidirectional data flow, power storage means connected to said rectifier bridge means for storing and power supplied by said controller means, data message means for transmitting data messages to said controller means, and transmitter means connected to said rectifier bridge means and to said data message means for transmitting said data messages over said communication means to said controller means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A fault tolerant, self-powered alarm transmission system comprising:
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communication means having at least three lines; controller means connected to said communication means for receiving alarm messages from remote stations and for supplying power to said remote stations, said controller means having selection means for selecting a pair of said at least three lines over which said alarm messages can be received, said pair also supplying power to said remote stations; and
,a plurality of remote stations connected to said communication means, each remote station comprising rectifier bridge means connected to said at least three lines, said rectifier bridge means accepting a power supply of either polarity and bidirectional data flow, power storage means connected to said rectifier bridge means for storing said power supplied by said controller means, alarm message means having alarm sensors for transmitting alarm messages to said controller means, and transmitter means connected to said rectifier bridge means and to said alarm message means for transmitting said alarm messages over said communication means to said controller means. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification