Abstract: A device for detecting an object in a subsurface, including a transmitting unit having a transmitting element which is designed to emit a transmission signal into the subsurface, a receiving unit having two or more receiving elements which are designed to receive a reception signal which is a function of the transmission signal and the properties of the object and of the subsurface, a control and evaluation unit which is designed to control the transmitting unit and receiving unit and to evaluate the reception signals, and a display unit which is designed to display the reception signals evaluated by the control and evaluation unit. The transmitting unit has at least one further transmitting element which is designed to emit at least one further transmission signal into the subsurface, and the transmitting elements of the transmitting unit are controllable independently of one another by the control and evaluation unit. A method is also provided.

Abstract: A device for detecting an object in a subsurface, including a transmitting unit having a transmitting element designed to emit a transmission signal into the subsurface, a receiving unit having two or more receiving elements designed to receive a reception signal which is a function of the transmission signal and the properties of the object and of the subsurface, a control and evaluation unit which is designed to control the transmitting unit and receiving unit and to evaluate the reception signals, and a display unit which is designed to display the reception signals evaluated by the control and evaluation unit. The transmitting unit has at least one further transmitting element which is designed to emit at least one further transmission signal into the subsurface, and the transmitting elements of the transmitting unit are controllable independently of one another by the control and evaluation unit. A method is also provided.

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: A method and device for detecting an object in a substrate is disclosed. The device has a sensor unit having a sensor element and at least one further sensor element, a control and evaluation unit, and a display unit. The method for detecting an object in a substrate includes simultaneous reception of a receive signal and at least one further receive signal and simultaneous calculation of a depth cross-sectional image from the receive signal and at least one further depth cross-sectional image from the at least one further receive signal by the control and evaluation unit.

Abstract: A handheld measuring device includes at least one locating sensor provided for locating at least one object in a measured object, and has a protective circuit that comprises at least one object sensor provided for registering at least one object parameter which at least depends on an alignment of the locating sensor to the measured object. The protective circuit has at least one operator sensor provided for registering at least one operator parameter dependent on an operator.

Abstract: A device for detecting an object in a subsurface, including a transmitting unit having a transmitting element designed to emit a transmission signal into the subsurface, a receiving unit having two or more receiving elements designed to receive a reception signal which is a function of the transmission signal and the properties of the object and of the subsurface, a control and evaluation unit which is designed to control the transmitting unit and receiving unit and to evaluate the reception signals, and a display unit which is designed to display the reception signals evaluated by the control and evaluation unit. The transmitting unit has at least one further transmitting element which is designed to emit at least one further transmission signal into the subsurface, and the transmitting elements of the transmitting unit are controllable independently of one another by the control and evaluation unit. A method is also provided.

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: A wall detector (1) for detecting an object (3) embedded in a substrate (2) includes a detection antenna (5) for introducing broadband, high-frequency alternating electric fields (9) of a measurement frequency (fM) in the substrate (2); a measurement system (6) connected to the detection antenna (5) for measuring the delayed interaction of the alternating fields (9) with the object (3), a calculation device (7) for detecting the object (3) based on the measurement signal and for determining the associated depth information, and a permittivity measurement device (8) with at least one auxiliary potential plate (11) for measuring the permittivity measurement signal of the substrate at a permittivity measurement frequency (fp) that is a lower than the measurement frequency; and an associated measurement method.

Abstract: A detector (1) for detecting embedded elongate objects (5) has an evaluating unit (6), a computing device (7), an output device (8), and a handheld measuring head (9) which can be moved over a surface (F) and which has a path a detector (10) and a transmitting-receiving unit (11a) with an antenna (12a). At least two antennae (12a, 12b) are spaced apart from one another along the surface (F), and the distance (A) therebetween, measured over the surface (F), ranges between 5 cm and 50 cm.

Abstract: A wall detector (1) for detecting an object (3) embedded in a substrate (2) includes a detection antenna (5) for introducing broadband, high-frequency alternating electric fields (9) of a measurement frequency (fM) in the substrate (2); a measurement system (6) connected to the detection antenna (5) for measuring the delayed interaction of the alternating fields (9) with the object (3), a calculation device (7) for detecting the object (3) based on the measurement signal and for determining the associated depth information, and a permittivity measurement device (8) with at least one auxiliary potential plate (11) for measuring the permittivity measurement signal of the substrate at a permittivity measurement frequency (fp) that is a lower than the measurement frequency; and an associated measurement method.

Abstract: A handheld scanning subsurface detector (1) has a handheld housing (4) which is designed to be guided at a predetermined distance over a wall surface (3) to be examined within a distance (A) from the wall, a sensor device (5) which is sensitive in the electromagnetic high-frequency range, and electromagnetically active shielding elements which shield the intervening distance (A) from the wall from the electromagnetic stray radiation in the high-frequency range, at least within a large circumferential area of a shielding contour (9) that surrounds the sensor device (5) externally.

Abstract: A detector (1) for detecting embedded elongate objects (5) has an evaluating unit (6) with computing means (7) and an output device (8), and a handheld measuring head (9) which can be moved over a surface (F) and which has a path a detector (10) and a transmitting-receiving unit (11a) with an antenna (12a). At least two antennae (12a, 12b) are spaced apart from one another along the surface (F), and the distance (A) therebetween, measured over the surface (F), ranges between 5 cm and 50 cm.

Abstract: A beam catcher (1) for a light beam (2) pulsating in amplitude at a modulation frequency (f) with a photodetector (4) with a plurality of photosensors (6) which are offset in a spatially defined manner relative to a reference point (5), an evaluating circuit (7), and an output device (8). A phase shifter (10) that is sensitive to the modulation frequency (f) is arranged between at least two photosensors (6).