Did You Know...
...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?
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| Number | Title | Issue Date |
| 8042469 | 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 elect... | 10/25/2011 |
| 7762192 | Energy harvesting power sources for validating firing; determining the beginning of the free flight and validating booster firing and duration A method is provided for validating a firing of a munition and duration of firing of the 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; monitor... | 07/27/2010 |
| 7762191 | Energy harvesting power sources for accidental drop detection and differentiation from firing A method is provided for differentiating a non-firing event of a munition from a firing event. 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 ... | 07/27/2010 |
| 7661363 | Impact fuse An impact fuse includes a body containing a piezoelectric generator positioned on a bracket integral with the body. The piezoelectric generator serving as an anvil. The fuse includes a piston intended to mechanically contact the generator upon impact. The piston rec... | 02/16/2010 |
| 7603950 | Device for impact detection A piezo cable is provided as an impact sensor, which allows up to four different measuring principles. In addition to the piezoelectric measurement, which causes a piezoelectric pulse in an impact, a capacitive measurement, an inductive measurement and a resistance ... | 10/20/2009 |
| 7370584 | Second environment sensing in smart bombs A safety and arming apparatus for arming a fuze of a smart weapon comprise a release sensor and a verification maneuver sensor in cooperative electronic communication with each other, such that when the release sensor senses that the weapon has been released and the... | 05/13/2008 |
| 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 |
| 7258068 | Safety and arming apparatus and method for a munition A safety and arming mechanism for a munition having a housing with a first detonator and an explosive mounted within the housing and in alignment with one another. A shaft is mounted within the housing. A first component is rotatingly fixed to the shaft and is movea... | 08/21/2007 |
| 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 |
| 7191707 | Spherical rolling explosive ordinance The spherical rolling explosive ordnance is a bomb having a substantially spherical shaped structure that includes a hard outer shell and a shock absorbing outer layer. The spherical shaped structure has a hollow inner core that is symmetrically disposed about an ax... | 03/20/2007 |
| 7173540 | Flash-bang projectile A flash-bang projectile that generates one or more noise pulses and one or more flashes of light. In generating a noise pulse, the flash-bang projectile provides a housing that includes a gas chamber that entraps air. The gas chamber includes a compression device th... | 02/06/2007 |
| 7100514 | Piezoelectric incapacitation projectile An incapacitating piezoelectric projectile comprises a projectile body housing a piezoelectric element, at least one electrically conductive contact surface, and a means for coupling said piezoelectric element to said at least one electrically conductive contact sur... | 09/05/2006 |
| 7089865 | Bullet The present invention relates to a hollow bullet for a light weapon which comprises within said hollow: (a) At least one proximity sensor at the front portion of the bullet for sensing an object, and for providing a sensing indication of a proximity object to a cont... | 08/15/2006 |
| 7088031 | Method and apparatus for an ambient energy battery or capacitor recharge system The present invention relates to the field of battery and capacitor charging. In particular, the present invention provides pulsed current charging using changes, regardless of polarity, in the local energy environment to obtain power. The present invention relates,... | 08/08/2006 |
| 6959893 | Light fighter lethality seeker projectile A projectile comprises an imaging seeker at a front of the projectile; a front warhead behind the imaging seeker; a power supply; an electronics unit connected to the power supply and comprising a microprocessor circuit board, a voltage regulator circuit board, an i... | 11/01/2005 |
| 6946779 | Electromechanical transducer The invention relates to an electromechanical transducer that is easy and inexpensive to produce. The inventive transducer comprises stacked piezoelectric elements between which contact electrodes (G, S, E) are interposed via which the piezoelectric elements are ele... | 09/20/2005 |
| 6933655 | Self-powered wireless switch A wireless switch is provided having a twenty-year life energy harvesting arrangement for self-powering a wireless transmitter. The energy harvesting arrangement is implemented in one embodiment using a piezoelectric switch element. A tritium light source and photov... | 08/23/2005 |
| 6931994 | Tandem warhead A tandem warhead for destroying a target, the tandem warhead including a kinetic energy rod section with a plurality of lengthy individual projectiles, a blast fragmentation section deployable proximate the target, and a guidance subsystem for deploying the projecti... | 08/23/2005 |
| 6865989 | Electronic self-destruct device A device provides for time-controlled self-destruction of a projectile by a batteryless, electronic self-destruct device. Several capacitors charged by a piezo element or a surge generator during firing are used in the flight phase for operational purposes. At least... | 03/15/2005 |
| 6679179 | Non-lethal electromagnetic active body A non-lethal active body which is equipped with a detonation-operated electrical pulse generator, and which is especially deployable as an article of submunition. The pulse generator is a piezo-generator having a detonation-operated inductive current ampl... | 01/20/2004 |
| 6439097 | Missile launcher with piezoelectric launcher pulse power source and inductive launcher/missile coupling A missile system includes a launcher having a built-in pulse power source and an electrical connection to a missile. The pulse power source is used to send activation and firing pulses to the missile. The pulse power source utilizes a piezoelectric crysta... | 08/27/2002 |
| 6082267 | Electronic, out-of-line safety fuze for munitions such as hand grenades A munitions fuze implements an operating mechanism comprising a piston, operating rod and toggle body bearing a detonator, aligned in a cavity within a munitions housing. In the safe condition the toggle body is out of line with a transfer lead and output... | 07/04/2000 |
| 5942714 | Accurate ultra low power fuze electronics An accurate, yet ultra low power fuse electronics is presented in which two methods are used to reduce power consumption in the fuze electronics. First, the fuze uses low power 3.3 volt logic chips ("LV" series or equivalent CMOS logic chips) along with s... | 08/24/1999 |
| 5929368 | Hybrid electronic detonator delay circuit assembly An electronic delay circuit (10) for use in a detonator (100) has a switching circuit (20) and a timer circuit (22). Switching circuit (20) controls the flow of a stored charge of electrical energy from a storage capacitor (12) to a bridge initiation elem... | 07/27/1999 |
| 5912428 | Electronic circuitry for timing and delay circuits An electronic delay circuit (10) useful for the delayed initiation of detonators illustrates several novel features that may be combined, including a novel oscillator (34), a programmable timer circuit (32) and a run control circuit (46). The oscillator (... | 06/15/1999 |
| 5705766 | Electronic turns-counting fuze and method therefor A fuse (12) detonates a spin-stabilized projectile (10) after the fuse (12) experiences a preset number of turns. The preset number is communicated (64) to the fuse (12) prior to launch. A semiconductor piezoelectric strain gauge (26) senses stress and pr... | 01/06/1998 |
| 5565647 | Warhead with sequential shape charges This invention involves a warhead, for use against armor containing several reactive stages, specifically, an anti-tank warhead, of a type comprising shape charges acting sequentially from front to rear and separated by protective elements. It includes: a... | 10/15/1996 |
| 5536990 | Piezoelectric igniter A device for producing an electrical output within a larger apparatus which generates the electrical output by use of energy already available within the apparatus. The device is particularly adaptable for use within an apparatus which incorporates an exp... | 07/16/1996 |
| 5485788 | Combination explosive primer and electro-explosive device A system (10) for detonating an electro-explosive device (EED) (46) includes a primer (40, 70) connected to an expansion chamber (36) by a shaped vent passage (38). A releasably retained element (60) within the expansion chamber (36) is propelled by expan... | 01/23/1996 |
| 5435248 | Extended range digital delay detonator An extended delay detonator (blasting cap) provides a preselected, electronically controlled delay between an incoming non-electric impulse input signal from, e.g., a shock tube or other input transmission line, and detonation of the output charge of the ... | 07/25/1995 |
| 5415105 | Tandem warhead with piezoelectric percussion fuses The invention relates to a tandem warhead with a preliminary charge (1) and a main charge (2) respectively each with an associated fuse (3, 4). So that on ignition two fuses (3, 4) which are completely identical can be used, piezoelectrical percussion fuses (3... | 05/16/1995 |
| 5377592 | Impulse signal delay unit A digital delay unit for use in blasting operations and the like provides a selected delay between an input impulse signal and an output impulse signal. The delay unit may have a fixed, preset electronically controlled delay period or, optionally, is prog... | 01/03/1995 |
| 5301613 | Power supply for an electrical circuit mounted on a projectile An improved power supply (10) for an electrical circuit (12) mounted on a projectile. The inventive power supply (10) includes a mechanism (14) on the projectile for generating electrical energy on the acceleration thereof. The energy is stored and releas... | 04/12/1994 |
| 5269223 | Piezoelectric fuse system with safe and arm device for ammunition A self-powered fuze apparatus for a projectile containing an explosive charge which comprises a first housing containing a mechanical safety device for releasably preventing undesired movement of a detonator cup holder containing a detonator from an unarm... | 12/14/1993 |
| 5173569 | Digital delay detonator An electrical delay detonator for blasting initiation systems and the like energized solely by a force input from a non-electric signal communication system, which detonator has a hollow, electrically conductive housing enclosing a booster charge connecte... | 12/22/1992 |
| 5166469 | Delay fuse for sequentially detonating shaped charges A delay fuse for a warhead (1) including at least two charges (3, 8) for sequential detonation disposed inside a casing (2). The delay fuse comprises a screen (6) movable in a longitudinal axial direction inside the casing (2) and under the effect of the ... | 11/24/1992 |
| 5157220 | Static arming bomb priming device A static arming device for a bomb having a housing and a main charge therein is provided and consists of a portable power source and a fuse ignitor carried within the housing. The fuse ignitor is for detonating the main charge and is electrically connecte... | 10/20/1992 |
| 5133257 | Ignition system and a method for the initiation thereof An apparatus for detonating explosive charges at a given location in response to an initiation at a remote location and after a preselected delay comprises a non-electrical initiation device for generating a non-electrical energy input by detonation or py... | 07/28/1992 |
| 5092243 | Propellant pressure-initiated piezoelectric power supply for an impact-delay projectile base-mounted fuze assembly A piezoelectric power supply for a fuze assembly includes a stacked array of piezoelectric ceramic discs, a hollow can for holding the stacked piezoelectric discs, flexible electrical circuits interposed between the discs and the interconnecting respectiv... | 03/03/1992 |
| 5040463 | Pressure activated power supply A device for use in a weapon system provides electrical energy for fuzing the weapon system. The device includes a detonator disposed within a housing, with the detonator being in association with a piezoelectric element such that upon detonation, the pie... | 08/20/1991 |
