armed position; a battery; a laser diode connected to the battery, the laser diode emitting a light beam towards the first optically reflective surface when the slider barrier is in the safe position and towards the second optically reflective surface when the slider barrier is in the armed position; a light trap for receiving light reflected from the first optically reflective surface; a photodiode for receiving light reflected from the second optically reflective surface; a transformer connected to the photodiode; and a capacitor connected to the transformer.
Another aspect of the invention is a safe/arm apparatus comprising a motor; a rotor connected to the motor, the rotor having at least one notch formed therein, the rotor including an optically diffuse surface and an optically reflective surface; at least onemechanical lock removably disposed in the at least one notch; a battery; a laser diode connected to the battery, the laser diode emitting a light beam towards the rotor; a photodiode for receiving light reflected from the optically reflective surface when the rotor is in an armed state; a transformer connected to the photodiode; a rectifier connected to the transformer; and a capacitor connected to the rectifier.
In another embodiment of the invention, a safe/arm apparatus comprises a motor; a rotor connected to the motor, the rotor having at least one notch formed therein, the rotor including a first optically reflective surface and a second optically reflective surface; at least one mechanical lock removably disposed in the at least one notch; a battery; a laser diode connected to the