A communication module which is linked to a detonator which is initiated in response to a fire command signal, and wherein the communication module includes a transmitter which transmits a wireless signal which is dependent upon initiation of the detonator and which contains or conveys an identifier which uniquely identifies the detonator.

A method of calibrating a coefficient of a pressure sensor for blasting operations, including striking a first piezoelectric sensor of a first unmolded pressure sensing apparatus; determining, with an interface circuit, a first peak voltage of the first piezoelectric sensor during the striking thereof, striking a second piezoelectric sensor of a second molded pressure sensing apparatus; determining with the interface circuit, a second peak voltage of the second piezoelectric sensor during the striking thereof, and calculating a piezoelectric constant of the second piezoelectric from at least the first and second peak voltages.

A method of calibrating a coefficient of a pressure sensor for blasting operations, including striking a first piezoelectric sensor of a first unmolded pressure sensing apparatus; determining, with an interface circuit, a first peak voltage of the first piezoelectric sensor during the striking thereof, striking a second piezoelectric sensor of a second molded pressure sensing apparatus; determining with the interface circuit, a second peak voltage of the second piezoelectric sensor during the striking thereof, and calculating a piezoelectric constant of the second piezoelectric from at least the first and second peak voltages.

The present disclosure relates to method and system for detecting improvised explosive devices or the like. According to the present disclosure, the method is of the image-correlation type and involves continuously delivering current images representative of said path followed by a vehicle, in replacing some of said current images with pre-recorded earlier images taken at the same point, and in displaying said current images and said replacement earlier images in succession in order to detect said explosive devices.

The present disclosure relates to method and system for detecting improvised explosive devices or the like. According to the present disclosure, the method is of the image-correlation type and involves continuously delivering current images representative of said path followed by a vehicle, in replacing some of said current images with pre-recorded earlier images taken at the same point, and in displaying said current images and said replacement earlier images in succession in order to detect said explosive devices.

A device for use in a blasting system which Includes a plurality of detonators, wherein the device Includes a connector for making a connection between the detonator and a harness in the blasting system, wherein the connector includes a housing and at least one Identifying source on the housing operable to emit an identifying signal thereby to Identify the physical location of the housing.

A device for use in a blasting system which Includes a plurality of detonators, wherein the device Includes a connector for making a connection between the detonator and a harness in the blasting system, wherein the connector includes a housing and at least one Identifying source on the housing operable to emit an identifying signal thereby to Identify the physical location of the housing.

An emissions detection apparatus for at least one of detecting, identifying, diagnosing and geolocating an electronic device or an information transmitted from the electronic device includes an emissions collections device connected to an antenna receiving emission of an electromagnetic energy emitted from the electronic device and collecting a spectral data emitted from the electronic device; one or more algorithms processing the collected spectral data, algorithms selected from a group consisting of a peak detection algorithm, a multiple peak detection algorithm, a harmonic correlation algorithm, a non-harmonic correlation algorithm, a time correlation algorithm, a phase correlation algorithm, and a duty cycle timing correlation algorithm; and one or more algorithms matching the processed spectral data to an emissions template, wherein a match of the processed spectral data with the emissions template at least one of detects, identifies, diagnoses and geolocates the electronic device or the information transmitted from the electronic device.

An emissions detection apparatus for at least one of detecting, identifying, diagnosing and geolocating an electronic device or an information transmitted from the electronic device includes an emissions collections device connected to an antenna receiving emission of an electromagnetic energy emitted from the electronic device and collecting a spectral data emitted from the electronic device; one or more algorithms processing the collected spectral data, algorithms selected from a group consisting of a peak detection algorithm, a multiple peak detection algorithm, a harmonic correlation algorithm, a non-harmonic correlation algorithm, a time correlation algorithm, a phase correlation algorithm, and a duty cycle timing correlation algorithm; and one or more algorithms matching the processed spectral data to an emissions template, wherein a match of the processed spectral data with the emissions template at least one of detects, identifies, diagnoses and geolocates the electronic device or the information transmitted from the electronic device.

The present disclosure provides a system with sensors deployed around a blast site for determining whether each explosive of a blast system has detonated successfully. There is also disclosed a system for determining where the different sensors are to be deployed around the blast site for optimal sensing and data collection using multiple of a sensor or multiple sensors. An aspect of the present disclosure provides a method of determining detonation of explosives of a blast based on a blast plan. The method comprises receiving sensor data from sensors monitoring the blast; pre-processing the received sensor data; and determining outcomes of the blast based on the pre-processed data in correlation with the blast plan.