Automation device
First Claim
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1. an automation device, with which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol, for accepting a received data bit-stream comprising:
- a microcontroller which is assigned at least one clock generator and one memory unit and which is connected at least to one data sink;
a cascade circuit for reconstructing the received data bit-stream from an input signal, said cascade circuit comprising;
a monoflop for receiving said input signal and outputting a monoflop output;
a sampling device for periodically sampling said monoflop output and outputting a sample output;
a low-pass filter for filtering said sample output and outputting a filtered output;
a comparator for receiving said filtered output and outputting said data bit-stream.
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Abstract
The invention relates to an automation device, with which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol. The device has a microcontroller (110), which is assigned at least one clock generator (120) and one memory unit (150), and which is connected at least to one data source (140), which is designed to output a data bit-stream to be transmitted.
82 Citations
2 Claims
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1. an automation device, with which a multiplicity of physically distributed functional units communicate with each other by means of a common transmission protocol, for accepting a received data bit-stream comprising:
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a microcontroller which is assigned at least one clock generator and one memory unit and which is connected at least to one data sink; a cascade circuit for reconstructing the received data bit-stream from an input signal, said cascade circuit comprising; a monoflop for receiving said input signal and outputting a monoflop output; a sampling device for periodically sampling said monoflop output and outputting a sample output; a low-pass filter for filtering said sample output and outputting a filtered output; a comparator for receiving said filtered output and outputting said data bit-stream. - View Dependent Claims (2)
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Specification
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Current AssigneeABB Patent GmbH (ABB Limited)
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Original AssigneeABB Patent GmbH (ABB Limited)
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InventorsKresse, Heiko, Stelter, Andreas, Schaeffer, Ralf
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Primary Examiner(s)Zaman, Faisal M
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Assistant Examiner(s)HUYNH, KIM T
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Application NumberUS11/520,157Publication NumberTime in Patent Office2,862 DaysField of Search710/105, 710305-306, 714/811US Class Current710/105CPC Class CodesH04L 12/40 Bus networksH04L 2012/4026 Bus for use in automation s...
