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2016
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Invention
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High frequency electromagnetic field anti-interference testing tool. A high frequency electromagn... |
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Invention
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Method and system for detecting voltage reverse phase sequence of three-phase electricity meter. ... |
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Invention
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Circuit and method for improving precision of analog-to-digital conversion in single-chip microco... |
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Invention
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Gis-based power management system and management method. A GIS-based power management system and ... |
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Invention
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Method and apparatus for voltage hysteresis determination and activation of lithium-thionyl chlor... |
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Invention
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Networking method for centralized meter reading and networking system for centralized meter readi... |
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Invention
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Immunity testing device for electric energy meter. An immunity testing device for an electric ene... |
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Invention
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Method for generating pulses by double manganin sampling circuits of single-phase three-wire elec... |
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Invention
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Terminal block of electric energy meter, and check structure for terminal block of electric energ... |
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2015
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Invention
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Sampling circuit, detection apparatus, flow instrument, and flow signal detection method. A sampl... |
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Invention
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Prepaid electric energy meter. A prepaid electric energy meter, comprising: a tariff storage unit... |
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Invention
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Non-feedback communication converter and communication method thereof. Disclosed are a non-feedba... |
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Invention
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Key management system of prepaid meter. A key management system of a prepaid meter, comprising a ... |
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Invention
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Lead seal. A lead seal comprises a lead seal body and a lead seal line. The lead seal body compri... |
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Invention
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Method for uploading alarm information of electric energy meter. A method for uploading alarm inf... |
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Invention
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Rotary sealing mechanism for battery cabin. Disclosed is a rotary sealing mechanism for a battery... |
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Invention
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Cpu card prepaid time-sharing electric energy meter system. A CPU card prepaid time-sharing elect... |
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Invention
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Single/three-phase electronic prepaid step tariff electric energy meter with cpu card. A single/t... |
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Invention
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Power supply of single-phase electronic electric energy meter. A power supply of a single-phase e... |
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Invention
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Flow instrument and jet flow oscillator thereof. Disclosed are a flow instrument and an oscillati... |
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Invention
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Electric meter production management system. Disclosed is an electric meter production management... |
