Automotive anti-collision beacon

Claim 1

AN ANTI-COLLISION BEACON SYSTEM FOR A MOTOR VEHICLE HAVING A NORMALLY HORIZONTAL LONGITUDINAL AXIS, COMPRISING: (A) AN ELECTRICALLY ENERGIZED ILLUMINANT HAVING A MINIMUM INTENSITY OF APPROXIMATELY 500,000 LUMENS, A MAXIMUM ILLUMINATING DURATION OF APPROXIMATELY 30 MILLISECONDS, A TOTAL MINIMUM OUTPUT OF APPROXIMATELY 15,000 LUMEN-SECONDS AND A REACTION TIME OF 0-20 MILLISECONDS, AND MOUNTED ON SAID VEHICLE FOR FULL REAR-VIEW EXPOSURE, (B) A SOURCE OF ELECTRICAL ENERGY, (C) A NORMALLY OPEN G-SENSITIVE SWITCH COMPRISING AN ELONGATED TUBE, A MERCURY GLOBULE IN SAID TUBE, AND AN ELECTRICAL CONTACT IN ONE END OF SAID TUBE, (D) MEANS FOR MOUNTING SAID TUBE AT AN ANGLE TO SAID LONGITUDINAL AXIS SO THAT SAID CONTACT IS FORWARD AND NORMALLY ABOVE SAID GLOBULE, (E) SAID ANGLE ESTABLISHING A DEFINITE THRESHOLD VALUE OF DECELERATION OF SAID VEHICLE WHICH WILL CLOSE SAID SWITCH, AND (F) A CONTINUOUS UNINTERRUPTED ELECTRICAL CIRCUIT INCLUDING SAID ILLUMINANT, SAID ELECTRICALL SOURCE AND SAID SWITCH IN SERIES, SO THAT SAID ILLUMINANT WILL BE ENERGIZED ONLY UPON CLOSURE OF SAID SWITCH.