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| Number | Title | Issue Date |
| 7975612 | 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 ascer... | 07/12/2011 |
| 7819061 | 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 connec... | 10/26/2010 |
| 7810430 | Wireless detonator assemblies, corresponding blasting apparatuses, and methods of blasting A wireless or partially wireless detonator assembly (10) and corresponding blasting apparatus, that may be “powered Up” by a remote source of power (13) that is entirely distinct from the energy used for general command signal communications (16... | 10/12/2010 |
| 7757607 | 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... | 07/20/2010 |
| 7568429 | Wireless detonator assembly, and methods of blasting Wireless detonators, and corresponding wireless detonator systems present opportunities for blasting arrangements that avoid the need for physical wire connections between the blasting components. The present application discloses a wireless detonator assembly, a co... | 08/04/2009 |
| 7431237 | Guided projectile with power and control mechanism A projectile has the ability to generate and provide power to components located in two sections of the projectile which have relative rotation to each other. The projectile has a pair of generators allowing the powering of components in two sections. The projectile... | 10/07/2008 |
| 7370583 | Detonator system and method in connection with the same A method for wirelessly transmitting data to a control unit, such as a blasting machine, selected from a plurality of control units from an operating device selected from a plurality of operating devices, and a system intended for the method. The control unit is con... | 05/13/2008 |
| 7364190 | Igniter for air bag system A method of manufacturing a gas generator for an airbag having an igniter includes the steps of: providing, in the igniter, an integrated circuit including a memory unit for activating the igniter upon receipt of an external signal; attaching the igniter to a gas ge... | 04/29/2008 |
| 7352556 | Charging method for squib A charging method for a plurality of squibs which charges up each storage device built in or attached to each squib which is connected to an ignition control device via a common bus, and can be selectively operated by electrical energy and electrical signals which a... | 04/01/2008 |
| 7347145 | Dynamic baselining in current modulation-based communication Dynamic baselining of current modulation-based talkback from a slave device to a master device in a system such as an electronic blasting system, wherein the dynamic baselining enhances communication integrity under conditions of environmental noise and the like. Wi... | 03/25/2008 |
| 7337723 | Detonator arming A detonator which, once armed, is automatically disarmed after a predetermined time period in the absence of at least one defined signal during such time period. ... | 03/04/2008 |
| 7334523 | Fuze with electronic sterilization A fuze may include a detonator, a firing capacitor and a control circuit. The firing capacitor may be charged to a nominal operational voltage, wherein when the firing capacitor is discharged across the detonator, an external explosive charge may be detonated. The f... | 02/26/2008 |
| 7331290 | Fuze explosive ordnance disposal (EOD) circuit The present invention comprises an electronic Explosive Ordnance Disposal (EOD) circuit which is desirably used with fuzed explosive weapons, such as projectiles having a nominal mission time. After expiration of the mission time, if the explosive has not detonated,... | 02/19/2008 |
| 7327550 | Frequency diversity remote controlled initiation system A blasting system includes a wireless link between a blast controller and a plurality of electronic detonators. Each detonator includes a respective electronic initiator and an explosive charge. Charge storage devices of the initiators are chargeable by a carrier of... | 02/05/2008 |
| 7322292 | Squib A squib that is used by being connected to a bus is formed by assembling an explosive unit and a communication/ignition unit that have been constructed as separate components. The communication/ignition unit is provided with an IC substrate for ignition and communic... | 01/29/2008 |
| 7322293 | Device and system for identifying an unknow or unmarked slave device such as in an electronic blasting system A system such as an electronic blasting system, and a slave device for use in the system, in which a 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 re... | 01/29/2008 |
| 7316562 | Method and system to ignite inflammable fluids A method is described for igniting discharges of inflammable fluids, such as gases which are discharged in a flare, where an ignition pellet is set in motion towards the fluid discharge along a conducting body and made to detonate in or near the fluid discharge, so ... | 01/08/2008 |
| 7314004 | Method for delayed detonation of a penetrating weapon and related apparatus and systems The present invention is directed to a system and a method for accurately locating a penetrating-type weapon within a shelter for detonation at a desired target site. The method includes detecting a deceleration threshold event indicative of the penetrating weapon i... | 01/01/2008 |
| 7312557 | Mass-spring unit for generating power by applying a cyclic force to a piezoelectric member due to an acceleration of the mass-spring unit An apparatus for generating an electrical power upon an acceleration of the apparatus is provided. The apparatus including: a piezoelectric member having at least a portion thereof formed of a piezoelectric material; and a mass-spring unit having a spring element at... | 12/25/2007 |
| 7301750 | Electronic switching system for a detonation device, method of operation and explosive device including the same An apparatus for electronically switching a detonation device is configured to arm an energy source upon receiving a first signal and discharge the energy source to the detonation device upon receiving and validating a second signal. An explosive device comprising a... | 11/27/2007 |
| 7288417 | On-chip signal transformer for ground noise isolation A mixed-signal chip having a signal transformer located between analog circuitry and digital circuitry. The signal transformer includes a primary winding electrically coupled to the analog circuitry and a secondary winding electrically coupled to the digital circuit... | 10/30/2007 |
| 7274226 | Power source voltage monitoring circuit for self-monitoring its power source voltage A power source voltage monitoring circuit for monitoring self power source voltage comprises a reference voltage circuit which is supplied with a power source voltage, and generates and outputs a reference voltage in accordance with the power source voltage, a compa... | 09/25/2007 |
| 7268445 | Vehicular occupant protection device An airbag device includes a squib, an ignition circuit, and a noise protection circuit. The noise protection circuit includes two zener diodes whose cathodes are facing each other and connected with each other. Further, the noise protection circuit is connected in p... | 09/11/2007 |
| 7261028 | Ordnance system with common bus, method of operation and aerospace vehicle including same An ordnance system and method for controlling an ordnance system is provided. The system and method utilizes an addressable common, or shared, bus configured to transmit and receive data thereon. The addressable bus has further coupled thereto an ordnance controller... | 08/28/2007 |
| 7261035 | Method and system for operation of a safe and arm device A method and a system controlling the operation of a safe and arm device. The embodiments include continually utilizing a rule based computation to generate an output signal to be sent to a controller affecting the operation of the safe and arm (S&A) device towards ... | 08/28/2007 |
| 7237616 | Actuator module to operate a downhole tool An actuator module that is usable with a subterranean well includes a housing, a stimulus detector and an actuator. The stimulus detector and the actuator are mounted to the housing, and the housing is adapted to form a releasable connection with a tubular string. T... | 07/03/2007 |
| 7230814 | Digital squib An intelligent switch system, a so-called squib, for providing power to sensitive equipment, such as missiles, rockets and the like, comprises a pair of serially connected power switches which are separately and sequentially enabled and which will not deliver power ... | 06/12/2007 |
| 7225740 | Electromagnetic pulse transmitting system and method A plasma antenna generator includes an ionizable material, an explosive charge capable of projecting the ionizable material upon detonation, and a detonator coupled with the explosive charge. An electromagnetic pulse transmitting system includes an electromagnetic p... | 06/05/2007 |
| 7218356 | System and method for inductive line synchronization A synchronization signal generating apparatus and method in which an input circuit is inductively coupled to an alternating current signal line. The input circuit generates a rectified signal. A switch has a switch input and a switch output in which the switch input... | 05/15/2007 |
| 7194959 | Precision pyrotechnic display system and method having increased safety and timing accuracy A system and method are disclosed for controlling the launch and burst of pyrotechnic projectiles in a pyrotechnic, or “fireworks”, display. ... | 03/27/2007 |
| 7191706 | Optically triggered fire set/detonator system The present invention is directed to a system having a plurality of capacitor discharge units (CDUs) that includes electrical bridge type detonators operatively coupled to respective explosives. A pulse charging circuit is adapted to provide a voltage for each respe... | 03/20/2007 |
| 7161790 | Ignition device for bus connection A plurality of the ignition devices are connected to an ignition control system via a common bus. The ignition devices are selectively operable for actuating a plurality of airbag devices by means of electrical energy and an electrical signal supplied from the ignit... | 01/09/2007 |
| 7154733 | Low cost squib driver for airbag application A circuit and a method are given, to realize a very efficient driver device for igniters or squibs as used e.g. in airbag applications. Special attention has been turned to include secure and always reliable operating features into the device and at the same time to... | 12/26/2006 |
| 7155353 | Method for determining charging capacitance of capacitor A method of determining a charging capacitance of a capacitor in an air bag system having an electronic control unit for controlling a gas generator, a bus line having a loop wire extending from the electronic control unit, gas generators connected to the loop wire,... | 12/26/2006 |
| 7146912 | Flexible detonator system An electronic detonator system includes a control unit, a plurality of electronic detonators and a bus which connects the detonators to the control unit. Each electronic detonator includes a number of flags which may assume either of two possible values, each flag i... | 12/12/2006 |
| 7143696 | Remote digital firing system The present invention is directed to a remote digital firing system for firing of a remote mission payload that includes a firing circuit communicatively coupled to and operative to fire the remote mission payload, a firing control panel communicatively linked to sa... | 12/05/2006 |
| 7131366 | Actuator assembly A trigger actuator having a substantially unitary structure with a measuring device mounted thereon to detect the application of force to the trigger. In response, the measuring device generates a trigger signal. A compensating system detects additional or undesirab... | 11/07/2006 |
| 7107908 | Firing-readiness diagnostic of a pyrotechnic device such as an electronic detonator Firing-readiness diagnostics in an electronic pyrotechnic device such as an electronic detonator or an electronic blasting system thereof. The diagnostics may include a check for any incompatible attached devices, a resistance or continuity check of an ignition elem... | 09/19/2006 |
| 7100511 | Dual redundancy system for electronic detonators A detonator assembly (10) comprising a housing (12) disclosed and claimed. The assembly comprises an main circuit (11) comprising an electrically operable fuse (16) located in the housing. The assembly further comprises at least a first r... | 09/05/2006 |
| 7103510 | Logging of detonator usage A method of logging use of a non-electric detonator, which comprises recording identity data associated with the detonator at the time the detonator is being loaded in a blasthole, recording consumption of the detonator, and relating the identity data associated wit... | 09/05/2006 |
