Helmet-mounted sighting system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 8, 1981
Grant Date -
N/A
app pub date -
Aug 20, 1979
filing date -
Aug 20, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electromagnetic system for determining the orientation including position of a helmet worn by a pilot is disclosed, having a transmitting antenna for transmitting electromagnetic field vectors, a receiving antenna for sensing the electromagnetic field vectors, a control apparatus responsive to the sensed electromagnetic field vectors and the transmitted electromagnetic field vectors for determining the orientation including location of the helmet, the control apparatus having a first output for supplying the orientation to a utilization apparatus and a second output, a driver for supplying driving energy to the transmitting antenna coils, and a selector switch connected to the second output of the control apparatus and to the driver for sequentially energizing the coils of the transmitting antenna.
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