Hunting arrow tracking system

Details Hunting arrow tracking system Hunting arrow tracking system

1991-11-01

1992-10-20

Blum, Theodore M.

Communications: directive radio wave systems and devices (e.g.,

Directive

Beacon or receiver

273416, G01S 108

Patent

active

051574055

ABSTRACT:
A hunting arrow tracking system includes a tubular housing removably connectable to an arrow shaft and enclosing a battery-powered transmitter. The batteries are disposed in a container in the housing which is spring biased against a piezoceramic transducer which generates a trigger signal in response to longitudinal acceleration or deceleration of the arrow to set a latch for connecting the battery to the transmitter, thereby causing it to transmit a low duty cycle pulsed signal. The transmitter is connected to a strip antenna which extends the length of the arrow shaft and is adhesively secured to the outer surface thereof. A directional receiver receives the transmitted signal and indicates the direction from which it is being received. The latch can be reset by passing a magnet over the arrow to activate a reed switch.

REFERENCES:
patent: 3740648 (1973-06-01), Grotjahn
patent: 3790948 (1974-02-01), Ratkovich
patent: 4421319 (1983-12-01), Murphy
patent: 4704612 (1987-11-01), Boy et al.
patent: 4749198 (1987-02-01), Brailean
patent: 4885800 (1989-12-01), Ragle
patent: 4940245 (1990-07-01), Bittle, Jr.

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