Abstract: The invention relates to a method for operating an electrical device which during operation emits electromagnetic radiation at least temporarily, and to a method for operating a locating device for identifying objects. The method for operating an electrical device is characterized in that the presence of an external radiation source or radio communication service is detected. The invention also relates to an electrical device, especially a locating device comprising at least one UWB sensor, which device is operated according to the method of the invention.

Abstract: 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).

Abstract: The invention relates to a locating device, in particular a hand-guided locating device, with a locating unit (36) for detecting the presence of an object (16, 18) arranged in an examination object (14) by means of an examination signal (38), which has a polarization unit (50) provided for a procedure with the examination signal (38), and with a housing (20) for taking up the locating unit (36), which has a longitudinal axis (24). It is proposed that in at least one operating mode the polarization unit (50) specifies at least one first polarization plane (52, 54) aligned obliquely to the longitudinal axis (24).

Abstract: A machine tool having a safety unit. The machine tool also having a calibration unit for calibrating the safety unit.

Abstract: The invention relates to a measuring device comprising a transmitter (6) for transmitting (38, 60) a measuring signal (16) that lies within a frequency range, a sensor (8) for receiving (40, 62) an evaluation signal (20) that has been induced by the measuring signal (16) and a control unit (10) for evaluating (42, 66) the evaluation signal (20) to produce a measured result. According to the invention, the function of the control unit (10) is to check the frequency range before the transmission (38, 60) of the measuring signal (16) for the presence of a signal (28) that is independent of the measuring signal (16).

Abstract: The invention relates to a measuring device comprising a signal unit (20) for emitting a measuring signal (22.1, 22.2) in a measuring frequency range (60, 62, 68, 70) adapted for measurement and an evaluation unit (36) for the spectral evaluation of an evaluation signal (34.1, 34.2) induced by the measuring signal (22.1, 22.2) to a measuring result. According to the invention, the measuring device comprises a signal processing unit (30) adapted to displace a generation signal (26) for generating a measuring signal (22.1, 22.2) in a generation frequency range (48) from the generation frequency range (48) to the measuring frequency range (60, 62, 68, 70).

Abstract: A machine tool protection apparatus, for a machine tool, that is provided for monitoring of a protection region associated with a tool, including a first sensor unit that is provided for reception of a first protection signal. The machine tool protection apparatus further includes at least one second sensor unit that is provided for reception of a second protection signal.

Abstract: The invention relates to a machine tool monitoring device with an identification unit for identifying the operating situation of a machine tool. According to the invention, the identification unit is designed to identify an operating situation using at least one distance variable.

Abstract: A machine-tool safety device for a machine tool having a transmitting unit for transmitting an outgoing signal and a receiving unit for receiving an incoming signal. The machine-tool safety device has an adjusting unit for at least semi-automatically adjusting the outgoing signal to be transmitted.

Abstract: The invention relates to a machine tool monitoring device having a detection unit for detecting an application in a machine tool. According to the invention, at least one component of the machine tool is used as a reflector for a transmitting and/or receiving signal of the detection unit.

Abstract: The invention relates to a machine tool monitoring device with an identification unity for identifying the operating situation of a machine tool. According to the invention, the machine tool monitoring device has at least one projection unit for defining at least one region to be monitored.

Abstract: The invention relates to a machine tool monitoring device. It is proposed that the machine tool monitoring device comprises at least one signal unit for an ultra wide band operation.

Abstract: The invention relates to a measuring device, in particular a hand-held measuring device for locating objects enclosed in a medium, using high-frequency electromagnetic signals. Said device comprises a housing (82) and at least one high-frequency sensor, which is located in the housing and has a first antenna assembly (10) containing at least one first antenna element (12), the latter preferably emitting and/or receiving signals on a first polarisation plane. According to the invention, the antenna assembly (10) has at least one additional antenna element (14), whose polarisation plane is rotated in relation to the polarisation plane of the first antenna element (12).

Abstract: The invention relates to a measuring device comprising a transmitter (6) for transmitting (38, 60) a measuring signal (16) that lies within a frequency range, a sensor (8) for receiving (40, 62) an evaluation signal (20) that has been induced by the measuring signal (16) and a control unit (10) for evaluating (42, 66) the evaluation signal (20) to produce a measured result. According to the invention, the function of the control unit (10) is to check the frequency range before the transmission (38, 60) of the measuring signal (16) for the presence of a signal (28) that is independent of the measuring signal (16).