Abstract: Methods and apparatus for detecting a magnitude of a voltage at a face of a conducted electrical weapon (“CEW”). The magnitude of the voltage may be used to determine whether a pulse of a stimulus signal was delivered to a target. Structures for detecting the magnitude of the voltage may include structures that provide a stimulus voltage.

Abstract: A conducted electrical weapon may interchangeably receive a plurality of magazines. A magazine may be releasably engaged with a magazine bay of the conducted electrical weapon. Engagement of a magazine with the magazine bay may expose a bottom surface of the magazine. Each magazine may comprise a plurality of firing tubes. A magazine may be configured to launch at least one electrode from at least one firing tube of the plurality of firing tubes. A control circuit may be configured to provide an ignition signal to less than all of the plurality of firing tubes. A first pair of firing tubes may be oriented to achieve a minimum electrode spread at a first range. A second pair of firing tubes may be oriented to achieve a minimum electrode spread at a second range. The plurality of firing tubes may be arranged in an array comprising a column of firing tubes.

Abstract: A conducted electrical weapon (“CEW”) launches wire-tethered electrodes from multiple cartridges to provide a stimulus signal through a human or animal target to impede locomotion of the target. The CEW may detect the quality of the electrical coupling (e.g., connection) of pairs of electrodes with the target. In accordance with the quality of the connections, the CEW may provide pulses of a stimulus signal to the various connections between electrode pairs in accordance with a sequence. The sequence may provide pulses at a first maximum pulse rate to any one connection to increase the likelihood of inducing neuromuscular incapacitation (“NMI”) and to save energy. The sequence may provide pulses to all connections at a second maximum pulse rate to increase the likelihood of inducing NMI and to save energy.

Abstract: A unitary cartridge for a conducted electrical weapon (CEW) may include a cartridge body that stores an electrode, a piston, a propulsion module, and a propulsion module contact. To launch the electrode from the cartridge body, a signal may be sent from the CEW through a conductor disposed within the propulsion module. The signal may be configured to heat up the conductor and ignite a pyrotechnic material in the propulsion module to create a rapidly expanding gas. The rapidly expanding gas may move the piston to propel the electrode from the cartridge body and toward a target. A frangible cap may be disposed at one end of the cartridge body to retain the electrode in the cartridge body prior to launch.

Abstract: A conducted electrical weapon (“CEW”) may launch electrodes toward a target to electrically couple to the target. A CEW may include a signal generator, one or more electrodes, and a selector circuit. The signal generator may include a first conductor and a second conductor, wherein the first conductor has a positive potential and the second conductor has a negative potential. The signal generator may be configured to provide a stimulus signal through the first conductor and the second conductor. The selector circuit may be in electrical series between the signal generator and the one or more electrodes. The selector circuit may be configured to selectively electrically couple an electrode from the one or more electrodes to the first conductor or the second conductor of the signal generator.

Abstract: A conducted electrical weapon (“CEW”) impedes locomotion of a human target by providing a stimulus signal through the target via one or more electrodes. A propulsion system provides a force that launches the one or more electrodes toward the target to deliver the stimulus signal. The electrodes may be mechanically and electrically coupled to a deployment unit by a filament. An electrode may cooperate with a winding machine to wind the filament into a winding. The winding may be positioned inside the body of the electrode for deployment during launch.

Abstract: A conducted electrical weapon (“CEW”) may launch electrodes toward a target to electrically couple to the target. A CEW may include a signal generator, one or more electrodes, and a selector circuit. The signal generator may include a first conductor and a second conductor, wherein the first conductor has a positive potential and the second conductor has a negative potential. The signal generator may be configured to provide a stimulus signal through the first conductor and the second conductor. The selector circuit may be in electrical series between the signal generator and the one or more electrodes. The selector circuit may be configured to selectively electrically couple an electrode from the one or more electrodes to the first conductor or the second conductor of the signal generator.

Abstract: A warning system for a conducted electrical weapon (“CEW”) may be configured to alert a target that deployment of the CEW may be imminent. The warning system may include a visual output system and an audio output system. The visual output system may be configured to output a visual warning. The audio output system may be configured to output an audio warning. The visual output system and the audio output system may be activated in response to a control interface of the CEW being operated to an active mode. The visual output system and the audio output system may be deactivated, or not activated, in response to the control interface being operated to a safety mode.

Abstract: A conducted electrical weapon (“CEW”) impedes locomotion of a human target by providing a stimulus signal through the target via one or more electrodes. A propulsion system provides a force that launches the one or more electrodes toward the target to deliver the stimulus signal. The electrodes may be mechanically and electrically coupled to a deployment unit by a filament. An electrode may cooperate with a winding machine to wind the filament into a winding. The winding may be positioned inside the body of the electrode for deployment during launch.

Abstract: A warning system for a conducted electrical weapon (“CEW”) may be configured to alert a target that deployment of the CEW may be imminent. The warning system may include a visual output system and an audio output system. The visual output system may be configured to output a visual warning. The audio output system may be configured to output an audio warning. The visual output system and the audio output system may be activated in response to a control interface of the CEW being operated to an active mode. The visual output system and the audio output system may be deactivated, or not activated, in response to the control interface being operated to a safety mode.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A method for receiving power from a charging surface includes obtaining a combined current by combining currents induced in a plurality of receiving coils provided on a surface of the chargeable device in a first mode of operation, rectifying the combined current to obtain a battery charging current, and providing the battery charging current to a battery coupled to the chargeable device. In one example, the currents are induced through electromagnetic coupling by coils in a charging surface of a wireless charging device.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A wireless charging device has a plurality of planar power transmitting coils arranged in two or more layers between a charging surface and a ferrite layer, and a driver circuit configured to provide a charging current to one or more of the plurality of planar power transmitting coils when a chargeable device is placed on or near the wireless charging device. Each planar power transmitting coil may be formed as a spiral winding surrounding a power transfer area. Inductance of each of the plurality of planar power transmitting coils measured at the charging surface varies from a nominal inductance value by less than ten percent.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A wireless charging device has a first plurality of charging coils provided at a charging surface of the wireless charging device, and a controller. The controller may be configured to determine that a chargeable device is positioned proximate to a plurality of charging coils provided in a charging surface, decouple a first charging coil in the plurality of charging coils from a first driver circuit, couple the first charging coil to a second driver circuit, where a second charging coil in the plurality of charging coils may be coupled to the second driver circuit, and configure the charging current supplied by the second driver circuit to cause the first charging coil and the second charging coil to transfer a desired power level to the chargeable device.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A charging device has a plurality of charging cells provided on a charging surface provided at a charging surface of the wireless charging device, and a controller. The controller may be configured to provide a charging current to at least one active transmitting coil in the charging surface, measure voltages across three or more transmitting coils in the charging surface and determine that the chargeable device is in motion across the charging surface based on changes in the voltages measured across the three or more transmitting coils. The charging current may cause a wireless transfer of power through the at least one active transmitting coil to a chargeable device located on the charging surface.

Abstract: The number of pulses of a stimulus signal provided by a conducted electrical weapon (“CEW”) between launch and establishing an electrical circuit with a human or animal target may be counted to determine the distance between the CEW and the target and the distance between electrodes launched by the CEW toward the target while positioned in or near target tissue.

Abstract: A CEW includes a handle and one or more cartridges. A cartridge may cooperate with the handle to launch one or more electrodes. Launched electrodes fly toward the target to couple to the target to provide a stimulus signal through the target to impede locomotion of the target. Prior to launch, detents may retain an electrode in a bore of the cartridge. The bore may be sealed with a door. Launching the electrode may remove the door from the cartridge. The door may couple to the electrode. The door may remain coupled to the electrode during flight and impact of the electrode with the target. The door may cushion the impact of the electrode against the target. Cushioning the impact may reduce the likelihood of injuring the target. Retaining the door coupled to the electrode during flight may improve the flight characteristics of the electrode.

Abstract: Systems, methods and apparatus for wireless charging are disclosed. A wireless charging device has a plurality of planar power transmitting coils, a coil substrate and a driver circuit. Each planar power transmitting coil may be formed as a spiral winding surrounding a power transfer area. In one example, each planar power transmitting coil is formed by spiral winding a multi-strand wire, each strand in the multistrand wire being electrically insulated from each other strand in the multi-strand wire. The coil substrate may have a plurality of cutouts formed therein. The plurality of cutouts may be configured to secure the planar power transmitting coils in a preconfigured three-dimensional arrangement. The driver circuit may be configured to provide a charging current to one or more of the planar power transmitting coils when a chargeable device is placed on or near the wireless charging device.

Abstract: A conducted electrical weapon may interchangeably receive a plurality of magazines. A magazine may be releasably engaged with a magazine bay of the conducted electrical weapon. Engagement of a magazine with the magazine bay may expose a bottom surface of the magazine. Each magazine may comprise a plurality of firing tubes. A magazine may be configured to launch at least one electrode from at least one firing tube of the plurality of firing tubes. A control circuit may be configured to provide an ignition signal to less than all of the plurality of firing tubes. A first pair of firing tubes may be oriented to achieve a minimum electrode spread at a first range. A second pair of firing tubes may be oriented to achieve a minimum electrode spread at a second range. The plurality of firing tubes may be arranged in an array comprising a column of firing tubes.

Abstract: A conducted electrical weapon (“CEW”) launches wire-tethered electrodes from multiple cartridges to provide a stimulus signal through a human or animal target to impede locomotion of the target. The CEW may detect the quality of the electrical coupling (e.g., connection) of pairs of electrodes with the target. In accordance with the quality of the connections, the CEW may provide pulses of a stimulus signal to the various connections between electrode pairs in accordance with a sequence. The sequence may provide pulses at a first maximum pulse rate to any one connection to increase the likelihood of inducing neuromuscular incapacitation (“NMI”) and to save energy. The sequence may provide pulses to all connections at a second maximum pulse rate to increase the likelihood of inducing NMI and to save energy.

Abstract: A catalytic converter module assembly comprises a plurality of catalytic converter modules arranged in series such that gas may be fed through successive catalytic converter modules. Each catalytic converter module comprises a catalytic converter having one or more catalytic converter members arranged and configured for fluid contact with a gas, and a heat generator arranged close to and upstream of the catalytic converter. The heat generator and the catalytic converter are arranged in fluid communication and interconnected by connection means so as to form a unitary device. The invention allows for heating a gas flowing past the heat generator substantially immediately before the gas is exposed to the catalytic converter or catalytic converter member, whereby the efficiency of a catalytic converter is enhanced. The invention is particularly useful for cleaning non-combusted hydrocarbons, such as methane, carbon monoxide, or nitrogen oxides, in the exhaust gas.