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AssigneeRobert Bosch GmbH
InventorsReiner Krapf, Heiko Braun, Michael Mahler, Alexander Werner Hees
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The invention relates to a device, particularly a machine tool device, having at least one computer (10), at least one transmitter (12) for transmitting a transmission signal (S1, S2), at least one receiver (14) for receiving at least one receiving signal (E1, E2, E3, E4) excited by the transmission signal (S1, S2), and at least one analysis unit (16) which is provided to calculate at least one parameter (P1, P2, P3, P4) by means of the receiving signal (E1, E2, E3, E4). The invention provides that the computer unit (10) is provided to compare the parameter (P1, P2, P3, P4) to at least one comparison parameter (V1, V2, V3, V4) calculated by means of at least one model (M).
A machine tool device, having at least one computer, at least one transmitter for transmitting a transmission signal, at least one receiver for receiving at least one receiving signal excited by the transmission signal, and at least one analysis unit which is provided to calculate at least one parameter by means of the receiving signal wherein the computer unit is provided to compare the parameter to at least one comparison parameter calculated by means of at least one model, wherein the machine tool is used to work on a work piece, and wherein comparing the parameter to the at least one comparison parameter can be used to determine the thickness of a layer of the work piece and to detect the presence of an object other than the work piece.
A safety device for detecting objects in a danger zone of a machine tool, the safety device comprising:
Dependencies are inferred from the claim text.