Apparatus and method for operating a telephone line telemetry device in a multiple host environment
First Claim
1. A telemetry device for collecting information at a remote location and transmitting the information over a phone line to one of a plurality of host stations, the telemetry device comprising:
- at least one meter port for receiving information;
a memory for storing respective host attributes for each of the plurality of host stations; and
a processor, coupled to the memory and at least one meter port, for accessing the host attributes in the memory to determine which host station of the plurality of host stations to call over the phone line to report information from the at least one meter port.
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Accused Products
Abstract
A telemetry device is provided which communicates over a phone line with one of a plurality of host stations. The telemetry device includes a plurality of meter ports and a memory for storing host attribute information for the plurality of host stations. In one embodiment, the host attribute information stored in memory includes a table of host call-in times for the respective host stations and further includes respective telephone numbers for those host stations. The telemetry device determines when the call-in time of a particular host station has been reached. More particularly, when the call-in time of a particular host station has been reached, the telemetry device initiates a call to the host station over the phone line and establishes a connection therewith. A telemetry transaction then ensues between the particular host station and the telemetry device. The particular host station transmits command codes to the telemetry device to cause the telemetry device to read consumption information from a particular meter port. The consumption information is then transmitted over the phone line to the host station for further processing.
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Citations
36 Claims
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1. A telemetry device for collecting information at a remote location and transmitting the information over a phone line to one of a plurality of host stations, the telemetry device comprising:
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at least one meter port for receiving information; a memory for storing respective host attributes for each of the plurality of host stations; and a processor, coupled to the memory and at least one meter port, for accessing the host attributes in the memory to determine which host station of the plurality of host stations to call over the phone line to report information from the at least one meter port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A telemetry device for collecting information at a remote location and transmitting the information over a phone line to one of a plurality of host stations, the telemetry device comprising:
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a plurality of meter ports for receiving information; a memory for storing respective host attributes for each of the plurality of host stations; and a processor, coupled to the memory and the plurality of meter ports, for accessing the host attributes in the memory to determine which host station of the plurality of host stations to call over the phone line to report information from a meter port. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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21. A telemetry device for collecting information at a remote location and transmitting the information over a phone line to one of a plurality of host stations in an on-demand basis, the telemetry device comprising:
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at least one meter port for receiving information; a memory for storing respective host attributes for each of the plurality of host stations, the host attributes including a respective telephone number for each of the host stations; a receiver for receiving a data activating signal transmitted over the phone line to the telemetry device, the data activating signal designating one of a plurality of host stations as a designated host station which the telemetry device should call to engage in an on-demand telemetry transaction; a processor, coupled to the receiver, to the memory and to the at least one meter port, for accessing the host attributes in the memory to determine the telephone number of the designated host station indicated by the data activating signal, the processor initiating a telemetry transaction with the designated host station over the phone line to report information from the at least one meter port; and a transmitter, coupled to the processor, for transmitting the information over the phone line to the designated host station.
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22. A method for collecting information by a telemetry device at a remote location and transmitting the information over a phone line to one of a plurality of host stations, the telemetry device including at least one meter port, the method comprising the steps of:
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storing in a memory in the telemetry device respective host attributes for each of the plurality of host stations; accessing by a processor in the telemetry device the host attributes in the memory thus providing accessed host attributes; determining from the accessed host attributes which host station of the plurality of host stations to call over the phone line to report information from the at least one meter port. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A method for collecting information by a telemetry device at a remote location and transmitting the information over a phone line to one of a plurality of host stations, the telemetry device including a plurality of meter ports, the method comprising the steps of:
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storing host attribute information in a memory in the telemetry device, the host attribute information inducting a plurality of respective call-in times for the plurality of host stations and corresponding respective phone numbers for the plurality of host stations; determining, by the telemetry device, when a particular host call-in time has been reached; dialing, by the telemetry device, the phone number corresponding to the particular host whose call-in time has been reached to establish a connection between the particular host station and the telemetry device; initiating a telemetry transaction between the particular host station and the telemetry device; receiving command codes from the particular host station by the telemetry device, the command codes designating a particular meter port as the designated meter port; reading information from the designated meter port by the telemetry device; and transmitting, by the telemetry device, information to the particular host station. - View Dependent Claims (35, 36)
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Specification