Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Electrical signal parameter measurement system
Reexamination Certificate
2006-09-20
2008-11-18
Cosimano, Edward R (Department: 2863)
Data processing: measuring, calibrating, or testing
Measurement system in a specific environment
Electrical signal parameter measurement system
C251S129090, C251S129150, C251S318000, C251S319000, C336S130000, C336S131000, C702S001000, C702S057000, C702S127000, C702S150000, C702S189000
Reexamination Certificate
active
07454299
ABSTRACT:
A device is embodied for detecting a first variable that is representative of an induced voltage induced by a movement of a valve piston in the coil of a valve. The device is further embodied for determining a second variable representative of a first derivation of a first variable according to time. Furthermore the device is embodied for detecting the end of the movement of the valve piston in the valve if the first variable is greater than a predetermined first threshold value and the second variable drops be low a predetermined second threshold value.
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patent: 2001/0043450 (2001-11-01), Seale et al.
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patent: 2007/0067127 (2007-03-01), Bolz
patent: 2007/0090315 (2007-04-01), Bolz
Cosimano Edward R
Greenberg Laurence A.
Locher Ralph E.
Siemens Aktiengesellschaft
Stemer Werner H.
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