Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Distributive type parameters
Reexamination Certificate
2007-01-18
2009-06-16
Tarcza, Thomas H (Department: 3662)
Electricity: measuring and testing
Impedance, admittance or other quantities representative of...
Distributive type parameters
C324S636000, C324S639000
Reexamination Certificate
active
07548072
ABSTRACT:
Both in potential separation in the microwave path, and in potential separation directly between the two-wire loop and the output circuit, the quality of signal transmission may be negatively affected. A filling level radar device with potential separation within the electronics unit is stated, wherein potential separation does not separate analogue signals but instead separates digital signals or direct-current-free alternating signals. For example, the separation line leads through digital signal connections or alternating-voltage signal connections. As a result of this the expenditure for potential separation may be reduced and the transmission quality may be improved.
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Kamp, “Filling level measuring technology in theory and practice”, Endress & Hauser, 1997, pp. 202-207.
Deck Thomas
Fehrenbach Josef
Griessbaum Karl
Motzer Juergen
Rauer Winfried
Brainard Timothy A
Fay Kaplun & Marcin LLP
Tarcza Thomas H
Vega Grieshaber KG
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