Some embodiments of the invention relate to a mobile detection device embodied as a bucket of an earth moving machine for an evaluation of a distance value and/or proximity from the bucket to an occluded AC-current carrying structure according to the magnetic field emanated from the structures AC-current. There is at least one detection coil, comprising at least one winding of an electrically conductive material, which is connected to a first amplification stage, with an amplifier circuit embodied as a current sensing amplifier, which are both are sealed within a common enclosure that is located at the bucket. An output of the amplifier circuit is configured to be linked to an electronic signal evaluation unit for detecting the occluded structure according to an electrical signal induced in the detection coil by the magnetic field.

A pest monitoring system generally includes a circuit, wherein the circuit is initially in a first impedance state that is configured to change to a second impedance state due to pest activity, wherein the second impedance state is lower than the first impedance state.

Some examples of monitoring hydrocarbon reservoirs using induced polarization effect includes inducing polarization in a subterranean zone using an induced polarization fluid. The subterranean zone includes first formations and second formations. A quantity of hydrocarbons in the first formations is greater than quantity of hydrocarbons in the second formations. The induced polarization data is obtained from the subterranean zone. A portion of the induced polarization data from the first formations is different from a portion of the induced polarization data from the second formations. The second formations in the subterranean zone are identified based on the obtained induced polarization data

Some examples of monitoring hydrocarbon reservoirs using induced polarization effect includes inducing polarization in a subterranean zone using an induced polarization fluid. The subterranean zone includes first formations and second formations. A quantity of hydrocarbons in the first formations is greater than quantity of hydrocarbons in the second formations. The induced polarization data is obtained from the subterranean zone. A portion of the induced polarization data from the first formations is different from a portion of the induced polarization data from the second formations. The second formations in the subterranean zone are identified based on the obtained induced polarization data

Tracked distance measuring device, systems, and methods for determining and mapping point of interest for use in utility locating operations and other mapping applications are disclosed. A tracked distance measuring device embodiment includes simultaneously triggered rangefinder and positioning elements to measure a distance and determine location and pose, optionally in conjunction with a utility locator.

A method of detecting a correct position and/or orientation of a secondary winding structure of a secondary unit relative to a primary winding structure of a primary unit of a system for inductive power transfer to a vehicle, wherein the vehicle includes the secondary unit for receiving an alternating electromagnetic field which is generated by the primary unit, wherein the vehicle includes at least a first transmitter for transmitting a first signal and a second transmitter for transmitting a second signal, wherein a wayside control unit includes at least one receiving means for receiving the first and the second signal, and wherein the correct position and/or orientation of the secondary winding structure of the secondary unit relative to the primary winding structure of the primary unit is detected depending on the first and the second signal.

A method of detecting a correct position and/or orientation of a secondary winding structure of a secondary unit relative to a primary winding structure of a primary unit of a system for inductive power transfer to a vehicle, wherein the vehicle includes the secondary unit for receiving an alternating electromagnetic field which is generated by the primary unit, wherein the vehicle includes at least a first transmitter for transmitting a first signal and a second transmitter for transmitting a second signal, wherein a wayside control unit includes at least one receiving means for receiving the first and the second signal, and wherein the correct position and/or orientation of the secondary winding structure of the secondary unit relative to the primary winding structure of the primary unit is detected depending on the first and the second signal.

The present disclosure provides a circuit and apparatus for generating a signal source for impedance measurement of rock and ore samples, including a smart mobile device; an integrated instrument, where the integrated instrument is connected to the smart mobile device via a wireless network, and a first electrode interface, a second electrode interface, a third electrode interface and a fourth electrode interface are fixedly arranged on the integrated instrument; and a sample rack, where the sample rack includes a first unpolarized electrode, a second unpolarized electrode, a third unpolarized electrode, and a fourth unpolarized electrode, rock and ore samples are placed between the second unpolarized electrode and the third unpolarized electrode, and a first end of the first unpolarized electrode is electrically connected to the first electrode interface by a triaxial cable.

The present disclosure provides a circuit and apparatus for generating a signal source for impedance measurement of rock and ore samples, including a smart mobile device; an integrated instrument, where the integrated instrument is connected to the smart mobile device via a wireless network, and a first electrode interface, a second electrode interface, a third electrode interface and a fourth electrode interface are fixedly arranged on the integrated instrument; and a sample rack, where the sample rack includes a first unpolarized electrode, a second unpolarized electrode, a third unpolarized electrode, and a fourth unpolarized electrode, rock and ore samples are placed between the second unpolarized electrode and the third unpolarized electrode, and a first end of the first unpolarized electrode is electrically connected to the first electrode interface by a triaxial cable.

Some examples of monitoring hydrocarbon reservoirs using induced polarization effect includes inducing polarization in a subterranean zone using an induced polarization fluid. The subterranean zone includes first formations and second formations. A quantity of hydrocarbons in the first formations is greater than quantity of hydrocarbons in the second formations. The induced polarization data is obtained from the subterranean zone. A portion of the induced polarization data from the first formations is different from a portion of the induced polarization data from the second formations. The second formations in the subterranean zone are identified based on the obtained induced polarization data