Omnitek Partners Lcc

Dake Feng

Jahangir S Rastegar

Jacques Fischer

Harbans S Dhadwal

A shock testing machine including: a test platform for holding one or more objects to be shock tested, the test platform having an impact surface; a fixed member having a surface disposed a predetermined distance from a corresponding surface of the test platform, the test platform being movable such that the surface of the test platform can contact the corresponding surface of the fixed member upon an impact to the impact surface; and a flywheel having one or more cams for contacting the impact surface upon rotation of the flywheel such that the impact of each of the one or more cams on the impact surface causes the surface of the test platform to impact the corresponding surface of the fixed member to produce a shock in the one or more objects to be tested.

High-G shock testing machine

A charger for charging an energy storage device having a core with an electrolyte, the charger including: a controller comprising hardware, the controller being configured to: obtain a measurement and/or approximation of a temperature of the electrolyte; determine whether the obtained temperature is below a predetermined threshold considered to at least reduce the charging efficiency of the energy storage device; and input a predetermined voltage and/or current input to terminals of the energy storage device causing internal components of the energy storage device to generate heat if the temperature is determined to be less than the predetermined threshold, wherein the energy storage device includes an internal surface capacitance, which can store electric field energy between internal electrodes of the energy storage device, and the controller is configured to input an AC current to the terminals with a frequency high enough to effectively short the internal surface capacitance.

Energy storage devices and methods for fast charging of energy storage devices at very low temperatures

A device including: an image sensor for imaging an object field reflected from an object to be imaged; a first objective lens for focusing a background field from the object into a concentrated energy field on a spatial frequency plane of the first objective lens; and a programmable spatial light modulator positioned in an optical path at the spatial frequency plane, the programmable spatial light modulator being programmed to display an opaque region and a substantially transparent region outside of the opaque region, the opaque region corresponding to a position of the concentrated energy field.

Adaptive optical methods and devices for enhancing image contrast in the presence of bright background

A shock testing machine including: a test platform upon which one or more objects to be tested are mounted; one or more rails upon which the test platform is movable in a longitudinal direction; and a braking station for retarding a relative motion between the test platform and the braking station, wherein the test platform and the braking station include at least one portion interfering with the relative motion of the test platform and the braking station such that relative movement of the test platform and the braking station past the at least one portion produces a shock lateral to the longitudinal direction.

A method for charging an energy storage device having a core with an electrolyte. The method including: (a) obtaining one or more of a measurement or approximation of a temperature of the electrolyte; (b) determining whether the temperature obtained in step (a) is below a predetermined threshold considered to at least reduce the charging efficiency of the energy storage device; and (c) inputting one or more of a predetermined voltage and current input to terminals of the energy storage device causing internal components of the energy storage device to generate heat if the temperature is determined to be less than the predetermined temperature. Similarly, a method for discharging an energy storage device having an electrolyte is provided.

A capacitor including: a first conductive plate; a second conductive pate arranged parallel to the first conductive plate to define a spacing between a surface of the first conductive plate and an opposing surface of the second conductive plate; a dielectric material disposed in the plate; and a capacitor lead connected to one of the first and second conductive plates at a connection region; wherein a thickness of the space is varied in the connection region.

Capacitors for high voltage charge and high current discharge rates

A shock detection circuit including: an electrical energy generating device configured to generate a voltage over a duration responsive to an acceleration of the munition; an input configured for receiving an input voltage over a duration responsive to the acceleration; an electrical storage device configured to receive a portion of the input voltage over the duration and to thereby accumulate a charge, an output coupled to the electrical storage device; a first diode having a first anode coupled to the input and a first cathode coupled to the electrical storage device; and a comparator configured to compare a voltage at the output and a reference voltage and to produce a result based on the comparison.

Shock detection circuit and method of shock detection

A method for actuating a motor including: separating feed-forward signals corresponding to motion independent components of a required actuating force/torque from motion dependent components; filtering the motion dependent components of the feed-forward signals to at least reduce high frequency signals generated due to feedback signals; and either not filtering or filtering with a low pass filter having a higher cut off frequency the motion independent components of the feed-forward signals to at least reduce higher frequency noise and components; wherein higher frequency components of electronic power amplifier signals corresponding to the motion independent components of the actuating forces/torques are not eliminated by the low pass filter, thereby ensuring that the reaction forces/torques are provided to actuate the motor.

On the dynamic response of actuation devices in nonlinear dynamics systems

An all-fire detection circuit for an electrically initiated inertial igniter munition. The all-fire detection circuitry including: an input configured for receiving an input voltage over a duration responsive to an acceleration of the munition; an electrical storage device configured to receive a portion of the input voltage over the duration and to thereby accumulate a charge, an output coupled to the electrical storage device; a first diode having a first anode coupled to the input and a first cathode coupled to the electrical storage device; and a comparator configured to compare a voltage at the output and a reference voltage and to produce a result based on the comparison.

Inertially operated electrical initiation devices

An all-fire detection circuit for an electrically initiated inertial igniter munition. The all-fire detection circuit including: an input configured for receiving an input voltage over a duration responsive to an acceleration of the munition; an electrical storage device configured to receive a portion of the input voltage over the duration and to thereby accumulate a charge, an output coupled to the electrical storage device to deliver an all-fire indication when at least a portion of the charge exceeds a first predetermined voltage; and a first diode having a first anode coupled to the input and a first cathode coupled to the electrical storage device, the first diode selected to have a backward leakage draining the charge when the input voltage drops below a second predetermined voltage.

An all-fire detection circuit for an electrically initiated inertial igniter munition. The all-fire detection circuitry including: an input configured for receiving an input voltage over a duration responsive to an acceleration of the munition; an electrical storage device configured to receive a portion of the input voltage over the duration and to thereby accumulate a charge, an output coupled to the electrical storage device to deliver an all-fire indication when at least a portion of the charge exceeds a first predetermined voltage; a first diode having a first anode coupled to the input, and a first cathode; a resistor coupled in series between the first cathode and the electrical storage device; a second diode having a second anode coupled to the electrical storage device, and a second cathode; and a third diode having a third anode coupled to the first cathode, and a third cathode coupled to the second cathode.

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Kings Park, NY, United States of America

Dake Feng