Multimeter having communications via measurement terminals and communication system for same
First Claim
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1. A multimeter, comprising:
- measurement terminals configured to have measurement and communication signals applied thereto;
an input circuit coupled to the measurement terminals and configured to receive the measurement and communication signals applied to the measurement terminals, the input circuit configured to provide the measurement signals applied to the measurement terminals for processing;
an input/output (I/O) communication circuit coupled to the input circuit and configured to receive communication signals applied to the measurement terminals;
a communication component coupled to the I/O communication circuit to receive the communication signals received by the I/O communication circuit and configured to extract information from the communication signals; and
a processor coupled to the input circuit and the communication component, the processor configured to calculate a measurement value from the measurement signals and further configured to perform an action in accordance with the extracted information.
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Abstract
A multimeter having measurement terminals and configured to receive measurement signals applied to the measurement terminals and a measurement value and also configured to receive communication signals applied to the measurement terminals and extract encoded information from the communication signals. The multimeter can be included in a multimeter communication system having a device coupled to the measurement terminals of the multimeter. The device is configured to generate communication signals having encoded information and provide the communication signals to the measurement terminals of the multimeter.
19 Citations
16 Claims
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1. A multimeter, comprising:
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measurement terminals configured to have measurement and communication signals applied thereto; an input circuit coupled to the measurement terminals and configured to receive the measurement and communication signals applied to the measurement terminals, the input circuit configured to provide the measurement signals applied to the measurement terminals for processing; an input/output (I/O) communication circuit coupled to the input circuit and configured to receive communication signals applied to the measurement terminals; a communication component coupled to the I/O communication circuit to receive the communication signals received by the I/O communication circuit and configured to extract information from the communication signals; and a processor coupled to the input circuit and the communication component, the processor configured to calculate a measurement value from the measurement signals and further configured to perform an action in accordance with the extracted information. - View Dependent Claims (2, 3, 4)
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5. A multimeter communication system, comprising:
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a multimeter having measurement terminals and configured to receive measurement and communication signals applied to the measurement terminals and having an input circuit coupled to the measurement terminals and an input/output (I/O) communication circuit coupled to the input circuit, the input circuit configured to receive the measurement and communication signals and further configured to provide the measurement signals to be processed to calculate a measurement value therefrom, the I/O communication circuit configured to receive communication signals having information encoded thereon and extract the information from the communication signals; and a device coupled to the measurement terminals of the multimeter and configured to generate communication signals having the information encoded thereon and provide the same to the measurement terminals of the multimeter. - View Dependent Claims (6, 7, 8, 9, 10)
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11. A multimeter measurement system, comprising:
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a multimeter having measurement terminals and configured to receive measurement and communication signals applied to the measurement terminals and having an input circuit coupled to the measurement terminals and an input/output (I/O) communication circuit coupled to the input circuit, the input circuit configured to receive the measurement and communication signals and further configured to provide the measurement signals to be processed to calculate a measurement value therefrom, the I/O communication circuit configured to receive communication signals applied to the measurement terminals and extract information from the communication signals; and a measurement probe coupled to the measurement terminals of the multimeter and configured to generate measurement signals in response to taking a measurement and coupling the measurement signals to the measurement terminals of the multimeter. - View Dependent Claims (12, 13, 14, 15, 16)
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Specification