Archery projectile location facility

Abstract

An archery projectile locating facility comprises an elongated body. The elongated body includes a connection facility adapted to connect to the archery projectile. The elongated body includes a microcontroller. The elongated body includes a sensor facility in communication with the microcontroller and operable to detect a flight state. The elongated body includes a transmitter in communication with the microcontroller and operable to broadcast at least one data signal after the flight state has been detected. The at least one data signal includes information generated by the sensor facility.

We claim: 
     
         1 . An archery projectile locating facility comprising:
 an elongated body;   the elongated body including a connection facility adapted to connect to the archery projectile;   the elongated body including a microcontroller;   the elongated body including a sensor facility in communication with the microcontroller and operable to detect a flight state;   the elongated body including a transmitter in communication with the microcontroller and having a multiple power digital amplifier and operable to broadcast a plurality of data signals after the flight state has been detected, the plurality of data signals including information generated by the sensor facility; and   wherein the transmitter is operable to transmit a first of the plurality of data signals at a first signal characteristic and to transmit a second of the plurality of data signals at a second signal characteristic, the first signal characteristic distinct from the second signal characteristic.   
     
     
         2 . The locating facility according to  claim 1 , including a directional receiver adapted to receive the at least one data signal, such that the elongated body may be located by a user with the directional receiver. 
     
     
         3 . The locating facility according to  claim 1 , wherein the elongated body is removably received in a rear aperture of a hollow arrow shaft. 
     
     
         4 . The locating facility according to  claim 3 , including a stop element connected to the elongated body and having a radial protrusion. 
     
     
         5 . The locating facility according to  claim 4 , wherein the stop element includes a cylindrical body adapted to be staked to a rear end of a hollow arrow shaft, and defines a bore adapted to receive a portion of a nock removably connected to the hollow arrow shaft. 
     
     
         6 . The locating facility according to  claim 4 , wherein the hollow arrow shaft has a shaft radius and the radial protrusion extends to a greater radius than the shaft radius, such that the radial protrusion is adapted to contact target animal tissue to prevent the elongated body from penetrating beyond a target animal even as the hollow arrow shaft may penetrate beyond. 
     
     
         7 . The locating facility according to  claim 6 , wherein the hollow arrow shaft has fletching, and the stop element has a plurality of radial protrusions adapted to substantially align with the fletching when staked to a rear end of the hollow arrow shaft. 
     
     
         8 . The locating facility according to  claim 6 , wherein the radial protrusion is a planar fin element having a plane parallel to an axis defined by the elongated body. 
     
     
         9 . The locating facility according to  claim 4 , wherein the stop element is connected to the elongated body by a tether. 
     
     
         10 . The locating facility according to  claim 4 , including a nock connected to the elongated body by a tether. 
     
     
         11 . The locating facility according to  claim 1 , including an antenna in electrical communication with the transmitter. 
     
     
         12 . The locating facility according to  claim 11 , wherein the antenna is an elongated wire connected at one end to the elongated body. 
     
     
         13 . The locating facility according to  claim 12 , wherein the antenna has a free end free of the elongated body. 
     
     
         14 . The locating facility according to  claim 1 , the sensor facility including a temperature sensor adapted to generate temperature information on the elongated body. 
     
     
         15 . The locating facility according to  claim 14 , wherein the transmitter is adapted to transmit the temperature information as part of the at least one data signal. 
     
     
         16 . The locating facility according to  claim 1 , including an energy storage device in electrical communication with the microcontroller and the sensor facility, and wherein the sensor facility is operable to generate energy status information. 
     
     
         17 . The locating facility according to  claim 16 , wherein the transmitter is adapted to transmit the energy status information as part of the at least one data signal. 
     
     
         18 . The locating facility according to  claim 1 , the sensor facility including an acceleration sensor adapted to generate movement information. 
     
     
         19 . The locating facility according to  claim 18 , wherein the transmitter is adapted to transmit the movement information as part of the at least one data signal. 
     
     
         20 . The locating facility according to  claim 3 , wherein the elongated body is slidably received in the hollow arrow shaft such that the elongated body is removable from the hollow arrow shaft with limited force.