Abstract: A method for providing electrical energy to a self-destruct fuze for submunitions in a projectile, the method including: storing mechanical energy in an elastic element attached to a first movable mass at one end of the elastic element upon a firing acceleration of the projectile; engaging a second movable mass with the first movable mass such that movement of the second movable mass upon the acceleration moves the second movable mass which in turn moves the first movable mass; converting the stored mechanical energy to electrical energy upon the acceleration to vibrate the first movable mass and the elastic element to apply a cyclic force to a piezoelectric element attached to another end of the elastic element; and locking the second movable mass in a position where the second movable mass cannot interfere with vibration of the first movable mass upon the second movable mass being subjected to the acceleration.

Abstract: A method for providing electrical energy to a self-destruct fuze for submunitions in a projectile, the method including: storing mechanical energy in an elastic element attached to a first movable mass at one end of the elastic element upon a firing acceleration of the projectile; engaging a second movable mass with the first movable mass such that movement of the second movable mass upon the acceleration moves the second movable mass which in turn moves the first movable mass; converting the stored mechanical energy to electrical energy upon the acceleration to vibrate the first movable mass and the elastic element to apply a cyclic force to a piezoelectric element attached to another end of the elastic element; and locking the second movable mass in a position where the second movable mass cannot interfere with vibration of the first movable mass upon the second movable mass being subjected to the acceleration.

Abstract: A device for providing electrical energy in a submunition of a projectile upon an expulsion acceleration of the submunition from the projectile, the device including: at least one elastic element and a mass connected to the at least one elastic element such that a firing acceleration of the projectile deforms to store mechanical energy in the elastic element; and a mechanism for locking the elastic element in the deformed position and unlocking the elastic element due to the expulsion acceleration to vibrate the at least one elastic element and mass and apply a cyclic force to at least one piezoelectric element to convert the stored mechanical energy to electrical energy.

Abstract: A method for providing electrical energy in a projectile upon an expulsion acceleration of the projectile. 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; locking the elastic element in the deformed position; and unlocking the elastic element due to the expulsion acceleration to vibrate the at least one elastic element and apply a cyclic force to at least one piezoelectric element to convert the stored mechanical energy to electrical energy.

Abstract: A power supply for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile. The power supply including: a movable mass; at least one elastic element attached to the mass at one end for storing mechanical energy upon a firing acceleration of the projectile; at least one piezoelectric element attached to another end of the at least one elastic element for converting the stored mechanical energy to electrical energy upon the firing acceleration to vibrate the mass and at least one elastic element to apply a cyclic force to the at least one piezoelectric element; and a self destruct fuze for detonation of the self destruct fuze upon receiving the electrical energy.

Abstract: A method for providing electrical energy in a projectile upon an expulsion acceleration of the projectile. 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; locking the elastic element in the deformed position; and unlocking the elastic element due to the expulsion acceleration to vibrate the at least one elastic element and apply a cyclic force to at least one piezoelectric element to convert the stored mechanical energy to electrical energy.

Abstract: A power supply for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile. The power supply including: a movable mass; at least one elastic element attached to the mass at one end for storing mechanical energy upon a firing acceleration of the projectile; at least one piezoelectric element attached to another end of the at least one elastic element for converting the stored mechanical energy to electrical energy upon the firing acceleration to vibrate the mass and at least one elastic element to apply a cyclic force to the at least one piezoelectric element; and a self destruct fuze for detonation of the self destruct fuze upon receiving the electrical energy.

Abstract: A method for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile. 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.

Abstract: A method for providing electrical energy to a self-destruct fuze for submunitions contained in a projectile. 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.

Abstract: A method for generating a time-out signal for an unexploded munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; and initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time.

Abstract: A method for generating a time-out signal for an unexploded munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; and initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time.

Abstract: A method for detecting a target impact of the munition. The method including: providing the munition with a power supply having a piezoelectric material for generating power from an axial vibration induced by the munition; monitoring an output from the power supply; and determining if the munition has axially impacted a target based on the output.

Abstract: A munition including: a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; a processor operatively connected to the power supply for initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time.

Abstract: A munition including: a power supply having a piezoelectric material for generating power from a vibration upon impact of the munition; a processor operatively connected to the power supply for initiating detonation time-out circuitry to disable detonation of the munition after a predetermined time.

Abstract: A method for generating electrical power from an acceleration of an object is provided. The method including: vibrating a mass-spring unit upon an acceleration of an object; transmitting a force resulting from the acceleration from the mass-spring unit to the one or more piezoelectric elements; converting the vibration of the mass-spring unit to an electrical energy; and calculating at least one of the force and acceleration based on an output of the one or more piezoelectric elements.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method for generating electrical power from an acceleration of an object is provided. The method including: vibrating a mass-spring unit upon an acceleration of an object; transmitting a force resulting from the acceleration from the mass-spring unit to the one or more piezoelectric elements; converting the vibration of the mass-spring unit to an electrical energy; and calculating at least one of the force and acceleration based on an output of the one or more piezoelectric elements.

Abstract: 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.