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7535378 |
RF meter reading system
A meter reading system of the present invention enables transmission of data between utility meter endpoints and readers. In a first embodiment, the endpoint provides a short message providing its...
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7324825 |
Remote telemetry device
The systems and methods disclosed herein relate to digital data communication systems, and more particularly, the systems and methods relate to systems and methods for facilitating digital...
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7126494 |
Remote access to electronic meters using a TCP/IP protocol suite
An electronic meter incorporates a TCP/IP protocol suite and an HTTP server to provide two-way access to the meter data. Alternatively, the TCP/IP protocol suite may be incorporated into a gateway...
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7110778 |
Remote telemetry device
The systems and methods disclosed herein relate to digital data communication systems, and more particularly, the systems and methods relate to systems and methods for facilitating digital...
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7019666 |
Adapter for a meter
An adapter is interposed between a standard resource meter and its socket, to provide RF-capabilities. Communications between meter and adapter are effected by optical technology. The adapter has...
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6940421 |
Method and apparatus for efficient use of communication channels for remote telemetry
A remote telemetry system utilizing dual communication pathways comprising low-cost remote communications devices operating on existing wire-based communications systems, wireless communications...
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6828906 |
Device for responding to state request on an open phone line
Provided is an apparatus and method for detecting a state of a device such as a meter or appliance and transmitting to a remote location a particular tone or tones corresponding to the detected...
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6442264 |
Telephone call router for transferring data to and from data collection apparatus
A method and apparatus for selectively connecting different types of devices at a customer's premises to an incoming telephone call. A database of usage codes includes caller ID values and...
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6347135 |
Apparatus and method for powering a telephone-based inbound telemetry device
A telephone-based automatic meter reading (AMR) system includes a telemetry device through which a host computer can collect meter readings remotely. The telemetry device has one or more ports to...
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6240167 |
Telephone-linked commodity-billing method
A method for billing consumers of on-demand commodities consumed at a site remote from the site at which they are produced. It is modeled after certain contemporary telephone-company billing...
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6016339 |
Telecommunication network using signalling without activating alerting devices in consumer's premises
A telecommunications network includes digital main switching units and local exchanges. The local exchange is arranged to permit alternative alert signals to consumer premises by way of the local...
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5651057 |
Method of communicating data from remote devices to a central computer via a telecommunications link
A method for communicating data from one or more remote computerized coin telephone auditing devices to a central computer via a telephone line, which comprises the steps of receiving input data...
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5311581 |
Remote meter reading method and apparatus
A remote meter reading system has equipment at a telephone company office coupled by modems to a utility company computer which issues requests for customer data. Telephone test trunks are used to...
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5204896 |
Outbound telemetry device
A outbound telemetry device type of meter interface unit (MIU) is provided which enables the automated collection of utility consumption information from a telephone subscriber's site via a...
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5202916 |
Signal proessing circuit for use in telemetry devices
A signal processing circuit is provided, one embodiment of which is employed in an inbound telemetry device such as an inbound MIU, another embodiment of which is employed in an outbound telemetry...
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5197095 |
System for remote transfer and collection of data, in particular from meters
A system for remote transfer and collection of data such as quantities of energy of fluid measured by a utility meter. Each meter includes a unit for storing and transmitting date from the meter to...
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4949272 |
Flexible billing rate for mail communication systems
A communication system for processing information for distribution, including: a central data station, a plurality of user stations, a communication link interconnecting the user stations with the...
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4852152 |
High impedance signal detection device
A low power consuming signal detection device for attachment to a telephone line. The device has an impedance of at least five megohms across the telephone lines. The device includes a power supply...
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4811011 |
Automatic metering apparatus
An automatic utility meter reading and monitoring system comprises at each customer premises at least one sensor for automatically reading the amount of usage of a utility service, processing means...
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4804957 |
Utility meter and submetering system
The utility meter is a microprocessor-based circuit using Hall effect electric current sensors to measure power usage by residential and commercial customers. An analog signal from the Hall effect...
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4713837 |
Communication network
A communication network advantageously uses existing broadcast channels to instruct remote receivers and eventually use automatic dial-up capability for forming a telephone communication link with...
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4710919 |
Multiplex system for automatic meter reading
A remote meter reading system employing a plurality of multiplexers coupled between the telephone central office and remote interrogatable utility data sources. A number of lines are connected to a...
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4674113 |
Frequency responsive apparatus for reading a meter over a telephone line
There is disclosed a system for reading a meter, e.g., a utility meter, over a telephone line. The system includes circuitry for detecting when an input signal within a predetermined frequency...
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4654868 |
Time independent data transmission system having capability for accessing a plurality of data devices
A time independent data transmission system which allows a computer to access a selected one of a plurality of data devices at a location remote from the computer at any time via a non-dedicated...
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4578536 |
Centerpoint automatic meter reading system
A utility meter reading system for sending utility usage information over a plurality of telephone lines is disclosed including a plurality of interface devices, at least one interface coupled to...
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4540849 |
Meter interface unit for utility meter reading system
A meter interface unit for interconnecting utility meter reading apparatus to a telephone line to allow the automatic reading of utility usage at the telephone central office in response to an...
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4489220 |
Test set
A test set designed for testing meter reading units as well as telephone line connections for automatic utility meter reading systems. The test set is capable of simulating the meter reading...
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4394540 |
Remote meter reader and method for reading meters over non-dedicated telephone lines
A meter reader is disclosed for automatically reading utility meters at a telephone subscriber station and transmitting the meter data read to a central office over non-dedicated telephone lines in...
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4388690 |
Automatic meter reading transponder
The present invention relates to an automatic meter reading transponder. The transponder is comprised of a receiver for receiving an external instruction and a transmitter for transmitting data. A...
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4355205 |
Telemetering system
A telemetering system useful for telephone installations. A normally open switch is placed between the line and telephone set. A ringing signal permits sensing apparatus to deliver a coded message...
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4147893 |
Gauging system providing remote readout of liquid levels in gasoline storage tanks
A controller at a monitor location generates interrogate signals which are transmitted over a telephone line to a transmitting unit associated with a plurality of underground gasoline storage...
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4002837 |
Transceiver
A data receiver for transmitting interrogating signals to activate in sequence a plurality of data transponders, receiving data from the transponders, processing the data, correcting the data,...
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3993875 |
Tone receiver
A tone receiver for connection to a telephone line at the station end for responding to a predetermined tone frequency in which the receiver has a multiple frequency selectable channel for allowing...
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3989898 |
Remote monitor signalling system
A remote monitoring apparatus adapted for use with a commercial or private telephone communication system for activating a condition monitoring mechanism and converting the measured output thereof...
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3975589 |
Transponder for transmitting data from digital encoding transducers over a telephone line
A transponder for connection to a telephone line for transmitting data over the telephone line from one or more measuring transducers to a data collection center having input means preventing...
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3962545 |
Utility meter reading system using telephone line
A plurality of remote terminals are each connected to different pluralities of gas or electric meters or the like which are close together such as in an apartment building complex. The remote...
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3922492 |
Remote meter reading transponder
A system for remotely reading, storing and transmitting the current reading of a plurality of utility meters to a central computer. Each remote location using a utility is fitted with a transponder...
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3899639 |
System and method for reading remotely located meters
A telephone number calling unit is programmed by a computer to dial data calls to selected telephone numbers by operating telephone line switching circuitry to connect a selected set of telephone...
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3868640 |
Interrogation of remote stations via automatic dialler
A system for interrogating a plurality of remote stations over the telephone company network to obtain information such as the readings of one or more consumer meters at each such station, which...
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3842206 |
TRANSPONDER FOR METER READING TELEMETERING SYSTEM
Disclosed is a system for the sensing of the reading of utility meters, such as gas, electric and water, at a unit connected to a telephone station, and the transmission of sensed data over...
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3778795 |
REMOTELY CONTROLLED AUTOMATIC UTILITY METER READER
A remotely controlled apparatus for reading a plurality of dials of a totalling type meter in sequence, for producing a plurality of signals, one signal for each dial read, with the character of...
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3742142 |
REMOTE METER READER SYSTEM
A method and apparatus by which a repeating event type meter, such as kilowatt hour meters as used by power companies, traffic counters as used by cities and counties, fuel meters showing number of...
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3737858 |
VERSATILE TELEMETERING SYSTEM
A telemetering system permits multiple functions to be monitored in response to each interrogation pulse by utilizing multiple sets of reply frequencies to distinguish between simultaneous reply...
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3553376 |
REMOTE METER READING METHOD AND APPARATUS
An apparatus for reading at a central station a multidial meter such as a utility meter or similar device located at a remote station by transmitting coded pulses representative of the digits shown...
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3551597 |
TELEPHONE TELEMETRY
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3508003 |
TELEMETERING SYSTEM WITH CONVENTIONAL TELEPHONE COMMUNICATION CHANNEL USING TIME SPACED INFORMATION PULSES
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3376389 |
Interrogatory telemetering system and apparatus
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3289083 |
Frequency shift keyed data transmission system
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3266018 |
Telemetering system for reading remotely loacted utility meters
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3072894 |
Telemetering system
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