Air rescue transmission apparatus

Claim 1

A SIGNALING APPARATUS INCLUDING IN COMBINATION A CASING HAVING AN OPEN FACE, SUPPORT MEANS FOR SUPPORTING SAID CASING AND PROVIDING COVER MEANS FOR NORMALLY COVERING SAID FACE, A LATCH STRUCTURE COUPLED WITH SAID CASING AND SAID COVER MEANS FOR MAINTAINING SAID CASING IN A COVERED CONDITION, A RADIO TRANSMITTER ASSEMBLY FOR TRANSMITTING RADIO SIGNALS, MOUNTING MEANS FOR MOUNTING SAID TRANSMITTER ASSEMBLY WITHIN SAID CASING, AN EXPANDABLE SPRING UNDER COMPRESSION WITHIN SAID CASING AT A POINT ADJACENT THE OPEN END OF THE LATTER AND ELECTRICALLY COUPLED WITH SAID TRANSMITTER ASSEMBLY, UNLATCHING MEANS FOR RENDERING SAID LATCH STRUCTURE INOPERATIVE TO CAUSE SAID SPRING TO EXPAND TO UNCOVER SAID CASING AND EXERT A FORCE SUCH AS TO IMPEL SAID CASING AWAY FROM SAID SUPPORT MEANS, SAID SPRING HAVING MEANS FOR PERMITTING IT TO EXPAND AND BE ERECTED AS AN ANTENNA EXTENDING BEYOND SAID CASING AT SUCH TIME AS SAID CASING IS IMPELLED AWAY FROM SAID SUPPORT MEANS, SAID UNLATCHING MEANS COMPRISING A CURRENT CONTROLLED MECHANISM AND A CONNECTED SINGLE SWITCH ASSEMBLY, THE LATTER INCLUDING PARTS FIXED WITH RESPECT TO SAID CASING AND MOVABLE PARTS SUPPORTED IN SPACED RELATIONSHIP TO SAID FIRST NAMED PARTS, SAID PARTS BEING ADAPTED TO ENGAGE WITH ONE ANOTHER, AND MEANS FOR PERMITTING SAID PARTS TO SO ENGAGE UPON SAID APPARATUS BEING SUBJECTED TO PHYSICAL SHOCK IN SUBSTANTIALLY ANY DIRECTION.