Abstract:
A hybrid electronic and electromechanical arm-fire device comprising a moving mechanical element having a safe position and an armed position, one or more pyrotechnic detonators each having an output mounted on the moving mechanical element, a pickup adjacent to the detonator output(s) that is in alignment therewith when the moving mechanical element is in the armed position but is not so aligned when the moving mechanical element is in the safe position, and electronic circuitry including a logic core having an electronic switch. The electronic circuitry may also include an electronic sensor such as a photointerruptor.
Abstract:
Firing-readiness diagnostics in an electronic pyrotechnic device such as an electronic detonator or an electronic blasting system thereof. The diagnostics may include a check for any incompatible attached devices, a resistance or continuity check of an ignition element, and/or a capacitance check of a firing capacitor.
Abstract:
A release system adapted for use in opening a deck lid of a vehicle includes a gas operable assist device and at least one of a manual input device and an occupant detector. The release system is positionable within a compartment at least partially closed by the deck lid. The compartment has a release mechanism for opening the deck lid and the release system is adapted for operation from the interior of the compartment. The gas operable assist device is connectable to the release mechanism and is operable to actuate the release mechanism to open the deck lid in response to a user input to the manual input device or a detection of an occupant within the compartment by the occupant detector. The gas operable assist device includes at least one of a compressed gas container and a pyrotechnic element.
Abstract:
Pyroelectric detector systems may be used in vehicles for security applications, such as intrusion detection and anti-theft alarms. The pyroelectric detectors are small in size, highly reliable and consume very low power. They can be physically and electrically integrated with other vehicle components, including rear-view mirror assemblies in automobiles, without incurring additional installation costs. They can also be easily integrated into aircraft cockpits.
Abstract:
A system and method for conducting a firing sequence including a master device and a plurality of electronic pyrotechnic devices, wherein the master device broadcasts, multiple times, a fire command to the plurality of electronic pyrotechnic devices, the electronic pyrotechnic devices commence a pre-fire countdown in response to each fire command received without error, and each electronic pyrotechnic device conducts a pre-fire countdown to expiration and thereupon commences a final fire countdown that concludes with firing.
Abstract:
A low-voltage-insensitive electro-pyrotechnic device comprising electrical input terminals, a bridge element connected to the electrical input terminals, and a transient voltage suppressor connected between the bridge element and one of the electrical input terminals. The device may utilize one bidirectional TVS on one side of the bridge element or two unidirectional TVSs on opposite sides of the bridge element, and may also include one or more resistors and/or an RF filter between the input terminals and bridge element.
Abstract:
A safety system for a compartment of a vehicle includes an occupant sensor for sensing an occupant within the compartment of the vehicle, a vehicle-based control, and a wireless transmitter of the vehicle. The control is responsive to the occupant sensor. The control controls transmission by the wireless transmitter. The wireless transmitter may transmit to a receiver located external of the vehicle upon detection by the occupant sensor of the presence of an occupant within the compartment of the vehicle.
Abstract:
Dynamic baselining of current modulation-based talkback from a slave device to a master device in a system such as an electronic blasting system, wherein the dynamic baselining enhances communication integrity under conditions of environmental noise and the like. With a data packet of appreciable length, the dynamic baselining is preferably performed repeatedly on the bytes or words within the packet.
Abstract:
Dynamic baselining of current modulation-based talkback from a slave device to a master device in a system such as an electronic blasting system, wherein the dynamic baselining enhances communication integrity under conditions of environmental noise and the like. With a data packet of appreciable length, the dynamic baselining is preferably performed repeatedly on the bytes or words within the packet.
Abstract:
Firing-readiness diagnostics in an electronic pyrotechnic device such as an electronic detonator or an electronic blasting system thereof. The diagnostics may include a check for any incompatible attached devices, a resistance or continuity check of an ignition element, and/or a capacitance check of a firing capacitor.