| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 102206000 | Ignition or detonation circuit | 86 |
| 20090193992 | EXPLOSIVES INITIATOR, AND A SYSTEM AND METHOD FOR TRACKING IDENTIFIABLE INITIATORS - There is provided an explosives initiator with one or more identification means, and a system and method for tracking identifiable initiators. In the preferred embodiment the identification means is an RFID. A first identification means is disposed internally of the initiator and a second identification means disposed externally of the initiator. Advantageously, if the second identification means is removed from the initiator, the initiator may still be identified by the internally disposed first identification means. | 08-06-2009 |
| 20130036931 | TWO WIRE DAISY CHAIN - A detonator ( | 02-14-2013 |
| 20090158953 | Glass-Metal Feedthrough, a Method of Fabricating It, and an Electro-Pyrotechnic Initiator Including It - A glass-metal feed-through transmits an electrical signal from one face to another face that is opposite. The feed-through includes a glass plug, two metal pins passing through the plug, and a metal part surrounding the plug. The feed-through includes an electrically-conductive link between a first of the pins and the part. The link includes a brazing preform secured to the first pin and to the part. | 06-25-2009 |
| 20120180679 | PYROTECHNIC TRAINING SYSTEM - A pyrotechnic training system includes a firing block assembly housed in a first container, a pressure-armed trigger module having two triggers housed in a second container, and a power pack/switch system that connects the firing block assembly and triggers. The first and second containers are remote from each other, and may be made from common objects that might be found in combat zones. Quick-release pins inserted through components of the firing block prevents their separation by exploding ordinance within the firing block, maintaining close electrical contacts within the firing block. The pressure-armed triggers employ a mechanical system that energizes an electrical circuit when pressure is released. Such triggers are arranged such that opening or moving the container triggers an explosion at the remote firing block assembly. | 07-19-2012 |
| 20090314174 | ARM-FIRE DEVICES AND METHODS FOR PYROTECHNIC SYSTEMS - An ARM-FIRE device for a pyrotechnic system includes a first pyrotechnic, a second pyrotechnic, a passage extending between the first and second pyrotechnics, and an actuator/blocking device positioned between the first and second pyrotechnics. The first pyrotechnic is configured to be ignited by a heat source, and the second pyrotechnic is configured to be ignited by the first pyrotechnic in the FIRE arrangement. The actuator/blocking device includes a body configured to move between a first position in the SAFE arrangement and a second position in the FIRE arrangement, an aperture extending through the body, and an actuator. The aperture is offset from the passage in the first position of the body and is aligned with the passage in the second position of the body. The actuator is configured to move the body between the first and second positions. The first pyrotechnic, the second pyrotechnic, and the actuator/blocking device occupy a volume of approximately 3.0 cubic inches or less. | 12-24-2009 |
| 20110283910 | SYSTEM AND METHOD FOR TRACKING IDENTIFIABLE INITIATORS - A system and method of tracking an identifiable initiator comprising providing an initiator comprising: an initiator casing, an explosive composition confined within the initiator casing, and a firing signal receptor for receiving a firing signal and conveying said firing signal to initiate the explosive composition, wherein the initiator is provided with a first identification means disposed internally of the initiator casing and a second identification means disposed externally of the initiator casing, wherein the first and second identification means are identical and unique to the initiator; prior to dispatch of the initiator, recording and storing the unique identity of the initiator as retrievable data in a database; after dispatch of the initiator, reading the first and/or second identification means of the initiator to determine the unique identity of the initiator; retrieving data from the database; and matching the unique identity of the initiator to the retrieved data. | 11-24-2011 |
| 20120012019 | TIMING MODULE - A timing module for use in a detonating system which includes discriminating and validating arrangements which sense and validate at least one characteristic of at least one parameter produced by at least one shock tube event and an electronic timer which executes a timing interval in response thereto. | 01-19-2012 |
| 20080295725 | THREE-WAY CONNECTOR BLOCK - The invention provides a connector block which has at least two channels ( | 12-04-2008 |
| 20120067241 | SAFETY AND ARMING DEVICE FOR A SPIN-STABILISED EXPLOSIVE PROJECTILE AND A PRIMING DEVICE IMPLEMENTING SUCH A SAFETY AND ARMING DEVICE - A safety and arming device for a spin-stabilized explosive projectile, said device incorporating a screen obstructing a transmission channel linking a detonator and a pyrotechnic relay, said screen comprising two half-screens able to move with respect to one another and transversally with respect to said channel, said two half-screens obstructing said channel when contacting one another, wherein said two half-screens are able to slide in a bore hole carried by a rotor coaxial to said projectile, said rotor is able to pivot on the axis of said projectile and carries said channel, said two half-screens locked into the position obstructing said channel by at least two locks, a first lock or inertial lock which retracts when said projectile is fired and a second lock or centrifugal lock formed by a spiral spring surrounding an external cylindrical surface of said rotor and applied against the ends of said half-screens. | 03-22-2012 |
| 20100300315 | Multi-Port Transmission Line Connector - A multi-port transmission line connector ( | 12-02-2010 |
| 20100058946 | SMART FUZE GUIDANCE SYSTEM WITH REPLACEABLE FUZE MODULE - A smart fuze system includes a radome used to hold a replaceable smart fuze module in place. An internally-threaded collar screws onto threads on the main body of the smart fuze system. Pressure from the radome presses the smart fuze module against electrical connections in the main body. The smart fuze module may thereby be held in place without potting material, allowing different types of fuzes to be swapped into place. The different types of fuzes may include a type that communicates height of burst (HOB) information a type that communicates telemetry, and a type that communicates both HOB and telemetry information. | 03-11-2010 |
| 20120199031 | DEVICE FOR VERIFYING DETONATOR CONNECTION - A perforating system having a perforating gun with shaped charges, a chassis sub, a communication line in communication with a controller and extending through the chassis sub and perforating gun, a selectively opened and closed continuity switch in the communication line, a lead line connecting the communication line to a detonator, and an arming switch in the lead line. A method of testing the detonator involves confirming electrical continuity through the detonator. | 08-09-2012 |
| 20100282106 | AIR-POWERED ELECTRO-MECHANICAL FUZE FOR SUBMUNITION GRENADES - A fuze for a submunition comprises a fuze housing with a stabilizer ribbon for aerodynamic orientation, a fuze slider released by tension on the stabilizer ribbon, an air-powered electric generator extended into the airstream by the fuze slider and powered in flight by high-speed airflow, a MEMS safety and arming device, a fuze circuit board including an explosive fireset, and an electrically initiated firetrain. The fuze is fixed to and communicates explosively with the end of a grenade warhead. | 11-11-2010 |
| 20100282107 | Anti-terrorist system - A system and/or method for securing areas (e.g. airport terminals, courtrooms, embassies, borders, property, surrounding critical infrastructure, areas within cities/towns, etc.) against terrorists is provided. In certain example embodiments, a system and/or method is provided wherein individuals pass (e.g. walk, drive, etc.) through a gateway before gaining access to a secured area. Signals capable of detonating certain explosives that might be carried by the individuals passing through the gateway are emitted in or proximate the gateway. The gateway may be shielded to minimize damage to the surrounding areas. In certain example embodiments, arc currents are generated to trigger the detonation of explosives. In certain example embodiments, explosives may be detonated using cellular signals. | 11-11-2010 |
| 20100170411 | REMOTE INITIATOR FOR THE REMOTE INITIATION OF EXPLOSIVE CHARGES - A remote initiator for the remote initiation of explosive charges. The remote initiator having: (i) a transmitter with means for generating and transmitting a coded signal and input means for inputting operational commands into the transmitter for generating the coded signal, (ii) at least one receiver adapted to be connected with the explosive charges, the receiver having means for receiving the coded signal from the transmitter and input means for inputting operational commands into the receiver for generating an output signal for the remote initiation of explosive charges upon receipt of a valid transmitted coded signal, (iii) a power source for each of the transmitter and receiver, and dual processing means that are independent of each other are adapted to provide independent control of a firing circuit and adapted to synchronize with each processing means before initiation can occur so as to enhance safety and reliability of the transmitter and receiver and the initiation of the remote initiator. | 07-08-2010 |
| 20100170410 | REMOTELY CONTROLLED IGNITION SYSTEM FOR PYROTECHNICS - A remote pyrotechnic ignition system includes a power supply for producing an electrical current in a transmitting induction coil to induce an electrical current in a receiving induction coil for igniting a pyrotechnic device. Thus, a wireless ignition communication section allows pyrotechnic mortars to be reused and substantially reduces set-up time by eliminating the wiring of fireworks normally required for a pyrotechnic production. Optionally, a capacitor is charged by the power source via a charging circuit and discharged via a firing circuit to produce the electric current in the transmitting coil in a pulse. The capacitor provides a two-stage firing safety feature. An electronic control device such as a circuit board may be mounted on the pyrotechnic device for controlling ignition of the pyrotechnic device and is especially useful in controlling ignition sequencing and overall ignition timing of a lift charge and burst charge of the pyrotechnic device. | 07-08-2010 |
| 20100326306 | CONNECTOR BLOCK - Embodiments of the present invention disclose a connector block that has at least two channels therein for connecting one signal transmission line with multiple signal transmission lines in a blasting system for transferring blasting signals, wherein one of the channels is the input end of signal transmission and one or more of the others are output ends, and wherein each channel is opened to a center cavity, thus enabling the input end and output end of transmission line to transfer the blasting signal through center cavity. | 12-30-2010 |
| 102207000 | Including activated generator | 14 |
| 20120291650 | Electro-Mechanical Fuze For A Projectile - The present invention describes an electronic fuze ( | 11-22-2012 |
| 20130014660 | METHOD FOR DETONATING AN UNEXPLODED MUNITION - A method for detonating an unexploded munition including: firing one or more munitions into an area without detonation; providing the one or more munitions with a power supply having a piezoelectric material for generating power from an induced vibration; inducing a vibration in the power supply of the one or more munitions to generate power; and generating a detonation signal from the generated power to detonate the one or more munitions. | 01-17-2013 |
| 102208000 | Turbine | 1 |
| 20130081550 | MINIATURE SAFE AND ARM (S&A) MECHANISMS FOR FUZING OF GRAVITY DROPPED SMALL WEAPONS - A device for enabling safe/arm functionality in a gravity dropped weapon detachably connected to an airframe where the device includes: an elastic element disposed in a shell of the weapon; a releasable connection between the weapon and the airframe to release one or more of a stored and generated energy in the elastic element; and a piezoelectric member connected to one end of the elastic member for converting the one or more of the stored and generated energy to an electrical energy. The releasable connection can include: a link having a movable connection for movement of the link relative to the shell between a first position constraining the elastic element from movement and a second position releasing the elastic member to generate the electrical energy; and a lanyard for tethering the link to the airframe such that the link is moved to the second position upon the weapon being released from the airframe. | 04-04-2013 |
| 102209000 | Magnetic | 6 |
| 20120180682 | Inertially Operated Electrical Initiation Devices - An electrical igniter for a munition. The igniter including: a magnet and coil wherein the magnet is configured for substantially repetitive motion in proximity to the coil to generate a voltage over a duration responsive to an acceleration of the munition; an electrical storage device configured to receive a portion of the voltage over the duration; and a circuit powered by the voltage, the circuit configured to determine an all-fire condition based on both the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the electrical storage device. | 07-19-2012 |
| 20120180681 | Inertially Operated Electrical Initiation Methods - A method for electrically initiating an inertial igniter for a munition. The method including: generating a voltage over a duration of an acceleration of the munition; directing a portion of a charge resulting from the voltage and duration to an electrical storage device on board the munition; determining by a circuit, whether the acceleration experienced by the munition is an all-fire condition based on both the voltage and duration of voltage generation and a predetermined accumulated voltage of the electrical storage device; and providing the predetermined accumulated voltage to an initiator when the all-fire condition is determined. | 07-19-2012 |
| 20120180680 | Inertially Operated Electrical Initiation Devices - An electrically initiated inertial igniter for a munition including: an electrical energy generating device configured to generate a voltage over a duration of an acceleration of the munition; an electrical storage device configured to receive a portion of the voltage over the duration; a circuit powered by the electrical energy generating device, the circuit configured to determine an all-fire condition based on both the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the electrical storage device; and an initiator, the circuit configured to activate the initiator by providing the predetermined accumulated voltage to the initiator when the all-fire condition is determined. | 07-19-2012 |
| 20100236440 | Methods and Apparatus For Mechanical Reserve Power Sources For Gun-Fired Munitions, Mortars, and Gravity Dropped Weapons - A power source including: a power generation device; a mass-spring unit having a mass and an elastic element operatively connected to the power generation device; and one or more retention fingers releasably engaged with the mass-spring unit for retaining the mass-spring unit in a position such that potential energy is stored therein and for releasing the potential energy upon occurrence of an event to generate electrical energy in the power generation device, the one or more retention fingers having a first end fixed at a base and a second end releasably engaged with the mass-spring unit. The occurrence of the event can be one or more of an acceleration and spinning of the base. Also disclosed is a power source having one or more retention fingers that are slidable with respect to a base such that the engagement of the first end is released upon a spinning of the base. | 09-23-2010 |
| 20110041719 | Inertial Accumulator (IA) for onboard power supply of spinning and non-spinning projectiles and Directed Energy Projectiles - The Inertial Accumulators, which transform G-forces and/or rotational energy of a projectile into rotational energy of flywheel, store it and convert into electrical one to feed onboard electronics and/or high-energy emitter of Directed Energy Projectiles. | 02-24-2011 |
| 20100258020 | Power supplies for projectiles and other devices - A projectile including: at least one power consuming element, and a power supply which generates power from an acceleration of the projectile and supplies such power to the at least one power consuming element, the power supply including a device for storing potential energy upon the acceleration of the projectile and a device for converting the stored potential energy to electrical energy. Where the device for storing potential energy upon the acceleration of the projectile includes a movable mass and an energy storage device for storing energy upon the acceleration of the movable mass and the energy storage device is a chamber having a compressible fluid therein, the chamber being acted upon by the movable mass to reduce the volume of the chamber subsequent to acceleration of the movable mass. | 10-14-2010 |
| 102210000 | Piezoelectric crystal | 5 |
| 20090013891 | Electrically Initiated Inertial Igniters for Thermal Batteries and the Like - A method for electrically initiating an inertial igniter for a munition is provided. The method including: generating electrical power upon a firing acceleration of the munition: powering circuitry on board the munition with the generated electrical power; and electrically determining, at the circuitry, whether an acceleration profile experienced by the munition is an all-fire condition. | 01-15-2009 |
| 20110168046 | ENERGY HARVESTING POWER SOURCES FOR GENERATING A TIME-OUT SINGAL FOR UNEXPLODED MUNITIONS - A method is provided for detecting a target impact of a munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from a vibration induced by the munition; monitoring an output from the power supply; and determining whether the output of power from the power supply has dropped below a predetermined threshold. | 07-14-2011 |
| 20120012020 | IGNITION AND DELAY CIRCUIT - An ignition and delay circuit of an ammunition unit for time controlled delay of the initiation of an electric blasting cap. The ignition and delay circuit includes a piezo electric device generating electrical energy when hitting a target. An energy storing device stores the energy generated by the piezo electric device. A delay device supplied by the energy storing device and controlling the initiation of the electric blasting cap. A programmable micro processor is provided supplied by the energy storing device and arranged to control the delay of the initiation in dependence of at least the type of ammunition in question. | 01-19-2012 |
| 20120204747 | INTEGRATED POWER SOURCE AND SAFETY MECHANISMS FOR SUBMUNITIONS SELF-DESTRUCT FUZE AND THE LIKE - A method for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile is provided. The method including: using a firing acceleration of the projectile to deform at least one elastic element to store mechanical energy in the elastic element; converting the stored mechanical energy to electrical energy; and providing the electrical energy at least indirectly to the self destruct fuze for detonation of the self destruct fuze. Alternatively, the firing acceleration can lock the elastic element in the deformed position and an expulsion acceleration of the submunitions from the projectile can be used to unlock the elastic element and convert the stored mechanical energy to electrical energy. | 08-16-2012 |
| 20120210896 | Electrically Initiated Inertial Igniters for Thermal Batteries and the Like - A method for electrically initiating an inertial igniter for a munition. The method including: providing an electrical energy generating device to generate a voltage over a duration responsive to an acceleration of the munition; providing a first electrical storage device connected to the electrical energy generating device through a voltage divide circuit to receive a portion of the voltage over the duration; providing a second electrical storage device connected to the electrical energy generating device to accumulate the voltage; and providing a circuit powered by a connection to the electrical energy generating device, the circuit determining an all-fire condition based on both a connection to the first electrical storage device that receives the portion of the voltage and the duration of voltage generation and a predetermined accumulated voltage of the second electrical storage device. | 08-23-2012 |
| 102211000 | Proximity fuze | 4 |
| 20100107915 | PROJECTILE WITH TELEMETRY COMMUNICATION AND PROXIMITY SENSING - A projectile fuze sends a signal having encoded telemetry data. The telemetry data may be encoded by modulating an aspect or characteristic of the signal, such as frequency modulation of the signal. The fuze may receive and interpret reflections in order to determine proximity to a target or other object, such as by functioning as a height of burst sensor. The signal may include a series of random or seemingly random pulses (a keyed pattern of pulses), such as pulses in amplitude of the signal. The fuze includes a pair of transceivers for sending signals of different frequencies through an antenna, and for receiving signals through the antenna. The transceivers are configured such that one or the other is used at any one time when telemetry data is sent, with telemetry being encoded by changes in frequencies. | 05-06-2010 |
| 102213000 | Light or infrared | 2 |
| 20110185935 | OPTICAL PROXIMITY FUZE - Described herein is an optical fuze for a guided missile that comprises an array of a large number of optical apertures distributed about the outer surface of the missile. An optical waveguide network selectively couples the array of apertures to a laser source and to a photodetector such that light from the laser source is emitted by selected ones of said apertures, and light returned from a target is received by selected ones of said apertures and directed by said optical waveguide network to said photodetector. These apertures might be arranged to form a composite target images in a particular direction, and/or may be arranged to perform a sensing operation along selected directions. The optical proximity fuze described herein provides inherent flexibility in the way the fuze can be configured in the missile for optimisation for different applications. | 08-04-2011 |
| 20100229748 | PROXIMITY TO TARGET DETECTION SYSTEM AND METHOD - There is provided a proximity to a target, detection system, including a laser transmitter for transmitting a beam of radiation at a predetermined wavelength temporal and spatial shape, towards a target from which the proximity is to be determined, a small dimensions body having an opening for admitting radiation reflected from the target, the body housing a receiver for receiving the reflected beam radiation from the target and directing it towards a detector in the body for producing a signal. The detector includes a detection logic circuit allowing detection of reflected radiation for producing an output signal when the body is at a predetermined range from the target and in consideration of the temporal or spatial relative strength of the signal produced by the detected radiation of the reflected beam. A method for detecting the proximity of a body to a radiation-reflecting surface of a target, is also provided. | 09-16-2010 |
| 102214000 | Radio wave | 1 |
| 20080307993 | Wireless Detonator Assemblies, Corresponding Blasting Apparatuses, and Methods of Blasting - A wireless or partially wireless detonator assembly ( | 12-18-2008 |
| 102215000 | Including logic means | 37 |
| 20090193993 | Wireless Detonator Assemblies, and Corresponding Networks - Wireless detonator assemblies ( | 08-06-2009 |
| 20100132576 | Detonator System - A detonator system which includes an array of a plurality of discrete time delay relays ( | 06-03-2010 |
| 20120174809 | Methods of controlling components of blasting apparatuses, blasting apparatuses, and components thereof - Disclosed herein are methods for communicating wireless signals between components of a blasting apparatus, with the intention of conducting a blasting event. In preferred embodiments, the methods are particularly suited to through-rock transmission of wireless command signals, and optionally wireless calibration or synchronization signals, thereby to achieve timed actuation of explosive charges positioned below ground under the control of one or more blasting machines located at or above a surface of the ground, with a high degree of accuracy. Further disclosed are blasting apparatuses and components thereof suitable for use, for example, in conducting the methods of the invention. | 07-12-2012 |
| 20120204748 | METHODS AND APPARATUSES FOR INDUCTIVE ENERGY CAPTURE FOR FUZES - Methods and apparatuses are disclosed for power conversion in fuzes for projectiles. Fuze electronics in the projectile control detonation of the projectile. A rectifier converts pulses from a setter signal to a DC power source signal. A voltage monitor coupled to the power source signal generates a source voltage indicator and a current monitor coupled to the power source signal generates a source current indicator. A combiner generates a supplied power level indicator in response to a combination of the source voltage indicator and the source current indicator. A DC-DC converter uses the supplied power level indicator when converting the power source signal to a power output signal to adjust a current level of the power output for efficient charging of a charge storage device and delivery of power to the fuze electronics. | 08-16-2012 |
| 20100005994 | REMOTE FIRING DEVICE WITH DIVERSE INITIATORS - A remote firing system for remotely detonating explosive charges includes features that provide safety and efficiency improvements. These features include safety communication among multiple remote devices and multiple controller devices, a polling functionality permitting rapid deployment of system devices, electronic key systems, programmable remote devices for easy replacement of failing remote devices, and an event history log for the remote devices for efficient diagnostic evaluation. | 01-14-2010 |
| 20090301332 | METHOD FOR DETECTING AN UNKNOWN OR UNMARKED SLAVE DEVICE SUCH AS IN AN ELECTRONIC BLASTING SYSTEM - A system, for example an electronic blasting system, in which a detection command is issued by a master device to all slave devices connected to the system, causing all slave devices that have not been identified to the master device to respond. | 12-10-2009 |
| 20090217836 | Remote Setting for Electronic Systems in a Projectile for Chambered Ammunition - A fuze setting circuit in an artillery or tank shell having a case with a press-fitted head assembly is provided with an electromechanical fuze-wiring link that is completed electrically by mechanical assembly of a tracer-carrying projectile on the shell casing, and by the rotational attachment of a programmable fuze onto the projectile. | 09-03-2009 |
| 20080302264 | Wireless Detonator Assembly, and Methods of Blasting - A wireless detonator assembly ( | 12-11-2008 |
| 20110283911 | SYSTEM FOR COMMUNICATING DATA TO A DETONATING FUSE OF A FIREARM - A system communicates data to a detonating fuse ( | 11-24-2011 |
| 20090145321 | SYSTEM AND METHOD FOR ZERO LATENCY DISTRIBUTED PROCESSING OF TIMED PYROTECHNIC EVENTS - A method for achieving zero latency timed pyrotechnic events by utilizing distributed processing is presented. A list of timed events may be used to synchronize a pyrotechnic firing sequence with music or other external events. This list is distributed over a series of embedded microprocessors. Each microprocessor is then synchronized to a master controller clock, and enabled such that each processor may then fire independently as required by the master list. This distributed process removes the split-second timing requirement from the main controller enabling the achievement of zero latency and providing significantly more timing events to be processed simultaneously while alleviating problems such as wireless radio interference delays. Each module is capable of forwarding information to other modules, which may be in a position that prevents wireless communication directly with the master controller. A wireless pyrotechnics ignition device which utilizes this distributed processing technique is also presented. | 06-11-2009 |
| 20090283005 | METHOD FOR LOGGING A PLURALITY OF SLAVE DEVICES - A method for logging a plurality of slave devices is suggested, comprising the following steps: a) connecting a plurality of slave devices each having an identity and a pyrotechnic charge to an electrical conduit; b) after step a), connecting a logging device comprising a power supply, an electrical interface, and a memory and c)causing the logging device to communicate with each of the plurality of slave devices while the plurality of slave devices is simultaneously connected to the electrical conduit. | 11-19-2009 |
| 20090283004 | CONSTANT-CURRENT, RAIL-VOLTAGE REGULATED CHARGING ELECTRONIC DETONATOR - A method of dynamically- and continuously-variable rate asynchronous data transfer, such as for use in an electronic blasting system, may employ a device that transmits data including synchronization bits and bits conveying other information, and a device that ascertains the rate of transmission of the synchronization bits and receives the bits conveying the other information at the ascertained rate of transmission. | 11-19-2009 |
| 20100212527 | Selective control of wireless initiation devices at a blast site - Disclosed herein are methods for selective control of groups of wireless initiation devices such as wireless electronic boosters at a blast site. Such methods may be applied to a wide variety of blasting techniques that would benefit from the use of wireless control and initiation of explosive charges at the blast site. | 08-26-2010 |
| 20080236432 | Enhanced method, device, and system for identifying an unknown or unmarked slave device such as in an electronic blasting system - For use in a system having a master device and slave devices (e.g., an electronic blasting system) and utilizing an automatic detection process that causes any slave devices that have not previously been identified to the master device to identify themselves to the master device, an enhancement to the detection process employs at least a second discriminator to detect superimposed responses from simultaneously responding slave devices, and a “deconvolution” algorithm in order to ascertain their identities. | 10-02-2008 |
| 20120137914 | METHODS AND SYSTEMS FOR DEFINING ADDRESSES FOR PYROTECHNIC DEVICES NETWORKED IN AN ELECTRONIC ORDNANCE SYSTEM - In networked electronic ordnance systems as disclosed herein, a plurality of pyrotechnic devices communicate with a controller along a common bus. In accordance with an embodiment of the disclosure, at least some of the pyrotechnic devices in the ordnance system are configured such that the address for those devices can be defined during or subsequent to installation of the pyrotechnic devices in an end system. In some instances, a logic device in the pyrotechnic device includes a diagnostics block that initiates a suite of diagnostic tests within the pyrotechnic device in response to a diagnostics command received by the pyrotechnic device. Additionally, in some instances, an additional safety mechanism is added to an energy-reserve capacitor in the pyrotechnic device in compliance with a safe-by-wire standard. | 06-07-2012 |
| 20100175574 | NETWORKED ELECTRONIC ORDNANCE SYSTEM - The networked electronic ordnance system connects a number of pyrotechnic devices to a bus controller using lighter and less voluminous cabling, in a more efficient network architecture, than previously possible. Each pyrotechnic device contains an initiator, which includes a pyrotechnic assembly and an electronics assembly. One or more pyrotechnic devices each contain a logic device having a unique identifier. The pyrotechnic devices are individually controlled by the bus controller by addressing the unique identifier of each logic device. Each pyrotechnic device preferably includes an energy reserve capacitor which stores firing energy upon arming. Both digital and analog fire control conditions are provided before an armed pyrotechnic device can be fired. A plurality of initiators and/or other components of the system may be packaged together on a single substrate and networked together via that substrate. | 07-15-2010 |
| 20110056399 | ELECTRONIC DETONATOR CONTROL CHIP - An electronic detonator control chip ( | 03-10-2011 |
| 20110011293 | NETWORKED ELECTRONIC ORDNANCE SYSTEM - A networked electronic ordnance system and method for controlling a variety of pyrotechnic devices at different energy levels include a bus controller controlling at least one pyrotechnic device operating at a first energy level and a smart connector adapting at least one pyrotechnic device operating at a second energy level to control by the bus controller. The smart connector may also include a plurality of capacitors for firing the pyrotechnic device(s). In an embodiment, at least one pyrotechnic device operating at a first energy level and at least one pyrotechnic device operating at a second level include a logic device have a unique identifier. The smart connector may also include an energy reserve capacitor and an emitter follower circuit electrically connected to a logic device. Additionally, the smart connector may be connected to an initiator for firing at least one pyrotechnic device at the second energy level. | 01-20-2011 |
| 20120240805 | SAFETY DEVICE FOR A FUZE OF A PROJECTILE - A safety device for a fuze of a projectile that includes a detonating device for detonating the fuze. The safety device has a safety unit with a processor for safeguarding a detonation process of the detonating device. The safety unit contains a sensor unit configured to output a disengagement signal at a predetermined acceleration state. The processor is set up to output a control signal to release the safety unit in accordance with the presence of the disengagement signal. A low-acceleration state of the flight of the projectile can thus be detected and used as release parameter. | 09-27-2012 |
| 20110100244 | BLASTING SYSTEM AND METHOD - The invention provides a blasting system which includes a plurality of electronic detonators which are configured in a blast array which has at least one row and a plurality of detonators in the row, each detonator including a memory in which is stored at least a respective identity code which is dependent, at least, on the row on which the detonator is, and on the detonator's position in the row, a harness which interconnects the detonators, and at least one control unit, connected to the harness, which generates a signal to fire the detonators. | 05-05-2011 |
| 20120118190 | Safe Arming System and Method - According to certain embodiments, an arming system includes a first logic device and a second logic device that are both coupled to a detonation circuit operable to initiate a detonation device. The second logic device is operable to receive one or more first signals generated by the first logic device, determine a first fault condition of the first logic device according to the received one or more first signals, and disable the detonation circuit according to the determined first fault condition. | 05-17-2012 |
| 20110247517 | METHOD AND SYSTEM FOR COMMUNICATING AND CONTROLLING ELECTRIC DETONATORS - A blasting control system includes a detonator module, and a blasting machine interface configured for serial communication between a blasting machine and the detonator module. The detonator module includes a detonator, a unique electronic ID, a switch configured to enable/disable the detonator in response to verification of the unique electronic ID, a communication device configured for communication with the blasting machine interface, and a processor responsive to instructions from the communication device. The blasting machine interface includes an I/O device, a communication device, and a processor responsive to the I/O device and the communication device. Upon verification of the unique electronic ID via communication from a user via the blasting machine interface, a state of the switch associated with the detonator is placed in an unlocked mode so as to enable activation of the associated detonator upon a fire signal from the blasting machine via the blasting machine interface. | 10-13-2011 |
| 20100300316 | METHOD OF AND APPARATUS FOR DETONATING PYROTECHNIC DEVICES IN MOTOR VEHICLES - A method of detonating one or more pyrotechnic devices located within a motor vehicle comprises: locating the detonation control unit of the vehicle; removing the vehicle wiring loom connector from the detonation control unit; connecting the said connector to a first connector ( | 12-02-2010 |
| 20110252994 | PROGRAMMABLE INERTIAL IGNITERS FOR GUN-FIRED MUNITIONS, THERMAL BATTERIES AND THE LIKE - An inertial igniter including: a housing; a striker mass movable relative to the housing; a biasing element for biasing the striker mass towards a percussion primer; one or more movable members each having one or more stops, the one or more stops having a first position for preventing a portion of the striker mass from striking the percussion primer and a second position allowing the portion of the striker mass to strike the percussion primer; wherein the movable members move the one or more stops to the second position when subjected to a predetermined acceleration profile. | 10-20-2011 |
| 20120037027 | NETWORKED ELECTRONIC ORDNANCE SYSTEM - A networked electronic ordnance system and method for controlling a variety of pyrotechnic devices at different energy levels include a bus controller controlling at least one pyrotechnic device operating at a first energy level and a smart connector adapting at least one pyrotechnic device operating at a second energy level to control by the bus controller. The smart connector may also include a plurality of capacitors for firing the pyrotechnic device(s). In an embodiment, at least one pyrotechnic device operating at a first energy level and at least one pyrotechnic device operating at a second level include a logic device have a unique identifier. The smart connector may also include an energy reserve capacitor and an emitter follower circuit electrically connected to a logic device. Additionally, the smart connector may be connected to an initiator for firing at least one pyrotechnic device at the second energy level. | 02-16-2012 |
| 20110308415 | ELECTRONIC PROGRAMMING SYSTEM FOR DETONATING FUSES - An electronic programming system is for programmable ammunitions “M” implemented in a firearm ( | 12-22-2011 |
| 20120042800 | SELECTIVE CONTROL OF WIRELESS INITIATION DEVICES AT A BLAST SITE - Disclosed herein are methods for selective control of groups of wireless initiation devices such as wireless electronic boosters at a blast site. Such methods may be applied to a wide variety of blasting techniques that would benefit from the use of wireless control and initiation of explosive charges at the blast site. | 02-23-2012 |
| 20110155012 | DETONATOR SYSTEM WITH HIGH PRECISION DELAY - An electrical delay detonator for use in blasting initiation systems energized by a non-electric impulse signal transmitted through a non-electrical conduit, such as a shock tube, with one end inserted inside a detonator housing having redundant sensors for detecting the presence of a non-electric impulse signal and a computerized control circuit for actuating the firing circuit. An elevated voltage is generated, stored in a capacitor assembly, and discharged when fired to an electrically operable igniter. The igniter, when activated, detonates an explosive mass. A battery is also contained within the detonator housing for powering the control circuit and one sensor, in low consumption mode, for several days. Upon detecting the presence of a signal the rest of the circuits are powered up. Periodic time windows generated by the control assembly provide corresponding enabled time periods for the sensors to become operational. | 06-30-2011 |
| 20120006217 | Electronic blast control system for multiple downhole operations - A system for multiple subsurface operations which are carried out in a well bore by means of two or more well tools having explosive or gas generating charges which are electronically initiated for accomplishing any number of other downhole well activities. Two or more well service tools are simultaneously run into a well on a single wire-line and are located at predetermined positions. An electronic blast control system having safety parameters, including time, movement, pressure and the like to ensure safe running and independent firing of the tools. The blast control system permits controlled energization of the explosive charges only when all of the programmed parameters have been met and causes sequential or serial electronic firing of the explosive devices independently of one another by positive and negative voltages. | 01-12-2012 |
| 20110083574 | LOGGER DEVICE FOR BLASTING OPERATIONS AND METHOD OF USE - An electrical interface apparatus includes two electrical input terminals, a microprocessor disposed in electrical communication with the two electrical input terminals, and a connector disposed in electrical communication with the microprocessor. The two input terminals are disposed and configured to be releasably connected to two detonator leg wires of a detonator, the microprocessor is configured to receive an input signal from the two detonator leg wires when a voltage reference is injected into the two detonator leg wires via the two electrical input terminals, and the connector is disposed and configured to be releasably connected to a handheld computer. | 04-14-2011 |
| 20120125218 | APPARATUS, SYSTEM, AND METHOD FOR SYNCHRONIZING A REMOVABLE TIMER KEY - A timer key relating to monitoring a countdown time of a countdown routine of an electronic device is disclosed. The timer key comprises a processor configured to respond to a countdown time associated with operation of the electronic device, a display operably coupled with the processor, and a housing configured to house at least the processor. The housing has an associated structure configured to engage with the electronic device to share the countdown time between the electronic device and the timer key. The processor is configured to begin a countdown routine based at least in part on the countdown time, wherein the countdown routine is at least substantially synchronized with a countdown routine of the electronic device when the timer key is removed from the electronic device. A system and method for synchronizing countdown routines of a timer key and an electronic device are also disclosed. | 05-24-2012 |
| 20120210897 | PLUG-N-LIGHT MUSICAL FIREWORK APPARATUS - An apparatus and method for conducting a musically choreographed fireworks display is provided. The apparatus comprises a multi-shot fireworks cake having a primary fuse, at least one ignition sensor configured to detect ignition of the primary fuse, and an audio device circuit, electrically coupled to the at least one ignition sensor and configured to output an audio signal upon detection of the ignition of the primary fuse. The apparatus may also include a memory which stores a plurality of audio files and a plurality of ignition sensors located throughout the multi-shot fireworks cake, each ignition sensor configured to detect ignition of at least one individual fuse. The audio device is may also be configured to convert a different sequentially ordered audio file of the plurality of audio files upon detection of ignition of each ignition sensor. | 08-23-2012 |
| 20120312184 | ADAPTABLE SMART WARHEAD AND METHOD FOR USE - A method for detonating a munition comprising the steps of providing a plurality of micro-detonators and microprocessors in said munition and initiating said micro-detonators in a predetermined sequence by means of said microprocessor. Depending on the specific predetermined sequence which is selected, one of a variety of explosive modes may be achieved. | 12-13-2012 |
| 20120255455 | Fireworks Igniter System and Method - A fireworks igniter system and method for safely igniting fuse-type fireworks including a handheld igniter module and a remote control module. An igniter head at the proximal end of the igniter module includes a heater element and fuse clamp slide which receives and biasingly molds the fuse against the heater element. A microprocessor in the igniter module includes an infrared receiver and an igniter module actuator. The remote control module includes an infrared emitter and a remote control module actuator, the infrared emitter emitting a coded IR signal in response to activation of the actuator. The IR signal is sensed by the infrared receiver to activate the igniter module actuator and deliver electric current to the heater element sufficient to ignite the fuse. | 10-11-2012 |
| 20120298003 | Method and apparatus for optically programming a projectile - A system for optically programming an in-flight projectile fired from a weapon comprises a fire control device and a controlled projectile. The fire control device comprises an optical transmitter and the projectile comprises a fuze, an optical collector and an optical sensor. The transmitter transmits optical signals to the in-flight projectile in order to program the circuit of the fuze disposed in the projectile. | 11-29-2012 |
| 20110265677 | CALIBRATION OF DETONATORS - A plurality of detonator assemblies in signal communication with a blasting machine, each detonator assembly consisting of a detonator, a storage compartment for storing programmed delay time and/or oscillation count and a countdown oscillator. A transmitter for transmitting a blast rehearsal stop start and stop signal, said signals being separated by said programmed delay time individually selected for each detonator signal. The oscillator counting the total oscillation count corresponding to said delay time. When a detonator assembly receives a FIRE command, the individual countdown oscillators countdowns the total oscillation count associated with its detonator assembly. | 11-03-2011 |
| 20100180788 | METHOD OF COMMUNICATION AT A BLAST STIE, AND CORRESPONDING BLASTING APPARATUS - Blasting operations for mining frequently involve a large number of detonators for a single blasting event. An important step in the execution of a blast is to perform a roll-call to check that all detonator assemblies placed at the blast site are in communication with a blasting machine, and forming operative components of the blasting apparatus. Disclosed herein are blasting apparatuses and methods of blasting that streamline this roll-call step, thereby reducing time consumed in the blasting process. | 07-22-2010 |
| 102216000 | Including impact or inertia switch | 6 |
| 20100071577 | AXIALLY COMPACT AND LOW-VOLUME MECHANICAL IGNITER FOR THERMAL BATTERIES AND THE LIKE - An inertial igniter for use with a thermal battery for producing power upon acceleration is provided. The inertial igniter including: a base; at least one member disposed on the base, the at least one member having a hole; a mass movable towards the base, the mass having a concave portion; a locking ball disposed in the hole in the at least one member and having a portion thereof disposed in the concave portion for preventing relative movement of the mass with the base when an acceleration time profile is below a predetermined threshold; and a biasing spring including a portion for preventing the locking ball from leaving the concave portion when the acceleration time profile is below the predetermined threshold and for allowing the locking ball to leave the concave portion when the acceleration time profile is below the predetermined threshold to unlock the mass and permit movement of the mass relative to the base. | 03-25-2010 |
| 20100242769 | Ammunition unit - An ammunition unit suitable for combat in urban terrain. The ammunition unit includes a warhead including a kinetic pre-cursor, a main charge, an impact sensor and an ignition system. A pre-charge is accommodated in the kinetic pre-cursor. The ignition of the pre-charge is controlled by the ignition system by introducing a time delay between a sensed impact and the ignition of the pre-charge and the ignition of the main charge is controlled by the ignition system by introducing a further time delay before ignition of the main charge. | 09-30-2010 |
| 20100307362 | Setback and Set-Forward Initiated Inertial Igniters and Activated Electrical Switches - A method of igniting one of a pyrotechnic material and primer during or after an all fire setback acceleration. The method including: positioning a mass element along an inclined surface; biasing the mass element in a direction into the inclined surface such that the mass element traverses the inclined surface upon the all fire setback acceleration against the biasing; drawing the mass element toward one of a pyrotechnic material and primer with the biasing after the mass element traverses the inclined surface. The method can further include delaying the drawing until the mass element experiences a set forward acceleration. The delaying can include drawing the mass element into a delay well after the mass element traverses the inclined surface and drawing the mass element across a delay wedge when the mass element experiences the set forward acceleration. | 12-09-2010 |
| 20100307363 | ULTRA-HIGH VELOCITY PROJECTILE IMPACT SENSOR - An apparatus for detecting the impact of an ultra-high velocity projectile includes: a projectile; at least one optical fiber attached to at least a first area of the projectile; a light source coupled to the optical fiber supplying light into the optical fiber; and a monitor coupled to optical fiber configured to monitor the light in one optical fiber and positioned in a second area of the projectile. A method for operating a circuit in response to a shockwave of ultra-high velocity, includes the steps of deploying at least one optical fiber in a first area in the path of an ultra-high velocity shockwave; coupling a light source to the optical fiber, the light source supplying a light into the optical fiber; and deploying a monitor coupled to the optical fiber to: monitor the light in the optical fiber to detect a change in the light; and positioned in a second area further along the path of the shockwave. | 12-09-2010 |
| 20080210115 | Fuze for a Projectile | 09-04-2008 |
| 20120132097 | Compact Mechanical Inertia Igniters For Thermal Batteries and the Like - An inertial igniter for igniting a thermal battery upon a predetermined acceleration event is provided. The inertial igniter including: a base having a first projection; a striker mass rotatably connected to the base through a rotatable connection, the base having a second projection aligned with the first projection such that when the striker mass is rotated towards the base, the first projection impacts the second projection; and a rotation prevention mechanism for preventing impact of the first and second projections unless the predetermined acceleration event is experienced. | 05-31-2012 |
| 102217000 | Plural sequentially fired ignitors or detonators | 6 |
| 20090301333 | ELECTRONIC BLASTING SYSTEM HAVING A PRE-FIRE COUNTDOWN WITH MULTIPLE FIRE COMMANDS - A system and method for conducting a firing sequence including a master device and a plurality of electronic pyrotechnic devices, wherein the master device broadcasts, multiple times, a fire command to the plurality of electronic pyrotechnic devices, the electronic pyrotechnic devices commence a pre-fire countdown in response to each fire command received without error, and each electronic pyrotechnic device conducts a pre-fire countdown to expiration and thereupon commences a final fire countdown that concludes with firing. | 12-10-2009 |
| 20090260532 | Method for Assigning a Delay Time to Electronic Delay Detonators - In the method for assigning a delay time to an electronic delay detonator. The detonator includes a data register ( | 10-22-2009 |
| 20110056400 | Detonation Control System - According to certain embodiments, a detonation control system includes a controller circuit coupled to a manual switch and a detonation device. The detonation device is configured to activate an explosive. The controller circuit includes a memory operable to store one of a multiple time-to-fire settings representing a time delay from arming the detonation device to activation of the detonation device. The controller circuit is operable to store a first time-to-fire setting in the memory, store another of the multiple time-to-fire settings in the memory upon actuation of the manual switch, and repeat the step of storing another of the multiple time-to-fire settings in the memory for each actuation of the manual switch. | 03-10-2011 |
| 20100275799 | METHOD OF COMMUNICATION AT A BLAST SITE, AND CORRESPONDING BLASTING APPARATUS - Blasting operations for mining frequently involve a large number of detonators for a single blasting event. An important step in the execution of a blast is to perform a roll-call to check that all detonator assemblies placed at the blast site are in communication with a blasting machine, and forming operative components of the blasting apparatus. Disclosed herein are blasting apparatuses and methods of blasting that streamline this roll-call step, thereby reducing time consumed in the blasting process. | 11-04-2010 |
| 20100288149 | DENTONATOR CROSS-TALK REDUCTION - A detonator system ( | 11-18-2010 |
| 20120167792 | DETONATOR CONNECTOR AND DETONATOR SYSTEM - A connector ( | 07-05-2012 |
| 102218000 | Electronic switch discharges capacitor | 2 |
| 20080282922 | DETONATOR SYSTEM HAVING LINEAR ACTUATOR - Disclosed is a detonation initiator that can form part of a demolition assembly. The detonation initiator can include a linear actuator assembly having a core with a permanent magnet disposed with respect to a coil, and a firing pin coupled to the core and disposed along a longitudinal axis of the linear actuator assembly. A capacitor can be used to store electrical energy derived from an electrical pulse received by the detonation initiator. An electrical circuit can be used to monitor the charge on the capacitor and to discharge the capacitor through the coil of the linear actuator assembly to propel the core along the longitudinal axis of the linear actuator assembly when the charge on the capacitor reaches a charge threshold. | 11-20-2008 |
| 20090314175 | Networked electronic ordnance system - A networked electronic ordnance system and method for controlling a variety of pyrotechnic devices at different energy levels include a bus controller controlling at least one pyrotechnic device operating at a first energy level and a smart connector adapting at least one pyrotechnic device operating at a second energy level to control by the bus controller. The smart connector may also include a plurality of capacitors for firing the pyrotechnic device(s). In an embodiment, at least one pyrotechnic device operating at a first energy level and at least one pyrotechnic device operating at a second level include a logic device have a unique identifier. The smart connector may also include an energy reserve capacitor and an emitter follower circuit electrically connected to a logic device. Additionally, the smart connector may be connected to an initiator for firing at least one pyrotechnic device at the second energy level. | 12-24-2009 |
