Electrically initiated spotter tracer bullet

Claim 1

A PROJECTILE HAVING A PIEZOELECTRIC CRYSTAL IN THE REAR PORTION THEREOF, A REAR WALL OF SAID PROJECTILE BEING PERMEABLE TO HEAT AND PRESSURE FROM A PROPELLING CHARGE, SAID PIEZOELECTRIC CRYSTAL SURROUNDING AN OPENING INTO WHICH SUCH HEAT AND PRESSURE MAY ENTER, MEANS FOR SECURING SAID CRYSTAL ADJACENT SAID REAR WALL, AN ELECTRIC CONDENSER CHARGED BY SAID CRYSTAL, ELECTRICAL CONNECTIONS BETWEEN SAID CRYSTAL AND CONDENSER, A SPOTTER COMPOSITION IN FRONT OF SAID CONDENSER, MEANS FOR FIRING SAID SPOTTER COMPOSITION ON DISCHARGE OF SAID CONDENSER, SAID MEANS INCLUDING A SWITCH WHEREIN ONE CONTACT THEREOF IS CLOSED ON REDUCTION IN VELOCITY OF SAID PROJECTILE, AND MEANS IN THE CONNECTIONS BETWEEN THE CRYSTAL AND CONDENSER TO ALLOW CURRENT TO FLOW FOR CHARGING THE CONDENSER AND FOR PRECLUDING THE CONDENSER BEING DISCHARGED THROUGH THE CRYSTAL IN RESPONSE TO A FORWARD MOVEMENT OF THE CONDENSER BODILY.