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Browse by Category: Main > Firearms & Weapons
Class Information
Number: 102/210
Name: Ammunition and explosives > Igniting devices and systems > Ignition or detonation circuit > Including activated generator > Piezoelectric crystal
Description: Subject matter wherein the electrical generator comprises a piezoelectric crystal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8701559 Energy harvesting power sources for detecting target impact of a munition Apr. 22, 2014
8677900 Inertially operated electrical initiation devices Mar. 25, 2014
8635956 Munition having detonation time-out circuitry Jan. 28, 2014
8601949 Inertially operated electrical initiation devices Dec. 10, 2013
8596198 Inertially operated electrical initiation methods Dec. 3, 2013
8490547 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Jul. 23, 2013
8479652 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Jul. 9, 2013
8408133 Method for detonating an unexploded munition Apr. 2, 2013
8286554 Electrically initiated inertial igniters for thermal batteries and the like Oct. 16, 2012
8281719 Integrated power source and safety mechanisms for submunitions self-destruct fuze and the like Oct. 9, 2012
8245641 Methods and devices for enabling safe/arm functionality within gravity dropped small weapons resulting from a relative movement between the weapon and a rack mount Aug. 21, 2012
8205555 Energy harvesting power sources for assisting in the recovery/detonation of unexploded munitions Jun. 26, 2012
8191475 Energy harvesting power sources for generating a time-out signal for unexploded munitions Jun. 5, 2012
8183746 Methods and apparatus for mechanical reserve power sources for gun-fired munitions, mortars, and gravity dropped weapons May. 22, 2012
8113825 Computer-controlled pyrotechnic matrix display Feb. 14, 2012
8042469 Electrically initiated inertial igniters for thermal batteries and the like Oct. 25, 2011
7762191 Energy harvesting power sources for accidental drop detection and differentiation from firing Jul. 27, 2010
7762192 Energy harvesting power sources for validating firing; determining the beginning of the free flight and validating booster firing and duration Jul. 27, 2010
7690288 Explosive-driven electric pulse generator and method of making same Apr. 6, 2010
7661363 Impact fuse Feb. 16, 2010
7603950 Device for impact detection Oct. 20, 2009
7506586 Munitions energy system Mar. 24, 2009
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 Dec. 25, 2007
7173540 Flash-bang projectile Feb. 6, 2007
6865989 Electronic self-destruct device Mar. 15, 2005
6679179 Non-lethal electromagnetic active body Jan. 20, 2004
6439097 Missile launcher with piezoelectric launcher pulse power source and inductive launcher/missile coupling Aug. 27, 2002
H1930 Precursor warhead attachment for an anti-armor rocket Jan. 2, 2001
6082267 Electronic, out-of-line safety fuze for munitions such as hand grenades Jul. 4, 2000
5942714 Accurate ultra low power fuze electronics Aug. 24, 1999
5929368 Hybrid electronic detonator delay circuit assembly Jul. 27, 1999
5912428 Electronic circuitry for timing and delay circuits Jun. 15, 1999
5705766 Electronic turns-counting fuze and method therefor Jan. 6, 1998
5565647 Warhead with sequential shape charges Oct. 15, 1996
5536990 Piezoelectric igniter Jul. 16, 1996
5485788 Combination explosive primer and electro-explosive device Jan. 23, 1996
5435248 Extended range digital delay detonator Jul. 25, 1995
5415105 Tandem warhead with piezoelectric percussion fuses May. 16, 1995
5377592 Impulse signal delay unit Jan. 3, 1995
5301613 Power supply for an electrical circuit mounted on a projectile Apr. 12, 1994
5280751 Radio frequency device for marking munition impact point Jan. 25, 1994
5269223 Piezoelectric fuse system with safe and arm device for ammunition Dec. 14, 1993
H1224 Electric coupling Sep. 7, 1993
H1178 Electric coupling May. 4, 1993
5173569 Digital delay detonator Dec. 22, 1992
5166469 Delay fuse for sequentially detonating shaped charges Nov. 24, 1992
5157220 Static arming bomb priming device Oct. 20, 1992
5133257 Ignition system and a method for the initiation thereof Jul. 28, 1992
5092243 Propellant pressure-initiated piezoelectric power supply for an impact-delay projectile base-mounted fuze assembly Mar. 3, 1992
5040463 Pressure activated power supply Aug. 20, 1991

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