CPC F41A 19/01 (2013.01) [F41A 9/62 (2013.01)] | 20 Claims |
1. A round counting system for a firearm, the system comprising:
a detachable magazine comprising a follower, the follower comprising one or more magnets, and the magazine comprising:
<N magnetic-field-sensing sensors arranged substantially along a path of the one or more magnets when the follower moves along a length of the magazine, where N is a maximum number of cartridges that can be loaded in the magazine, the sensors generating round count data based on a position of the one or more magnets relative to the <N magnetic-field-sensing sensors; and
a first antenna on the magazine arranged in a region of the magazine that is configured to fit at least partially within a magazine well of the firearm, the first antenna configured to wirelessly transmit a round count indication from the magazine to the firearm via a second antenna on the magazine well or a trigger guard of the firearm, the round count indication based on the round count data.
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