IP Library › Granted Patent US 10,330,414
Granted Patent B2
US 10,330,414 · App. 15/555,041 · Granted Jun 25, 2019

Device for counting live shots, blank shots and dry shots

Inventor: Armand Gering (Liege, BE)
Assignee: FN HERSTAL
F41A19/01G06M1/105H02K1/145
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Quick Facts
Patent No.
US 10,330,414
App. No.
15/555,041
Granted
Jun 25, 2019
Kind
B2
Abstract

The invention relates to a device for detecting and counting live bullet shots, blank shots and dry-firing actuation of the striker for all types of semi-automatic or automatic weapons, said device being able to discriminate between said three events and comprising: an electronic circuit ( 5 ); a first sensor for detecting a movement of a part ( 2 ) of the weapon preceding a potential live bullet shot or blank shot; and a second sensor ( 6 ) for measuring recoil acceleration when the live bullet shot or blank shot has been fired.

Claims (20)

1. A device for detecting and counting live bullet shots, blank shots, and dry-firing actuation of the striker for every type of semiautomatic or automatic weapon, said device being able to discriminate among these three events and comprising:

an electronic circuit,

a first sensor designed to detect a movement of a part of the weapon preceding a potential live bullet shot or a blank shot, and

a second sensor designed to measure a recoil acceleration when the live bullet shot or blank shot has been fired,

wherein the first sensor is designed to detect the movement of a part of the weapon by the variation of a magnetic field in an armature.

2. The device as claimed in claim 1 , wherein the first sensor is designed to detect the movement of a hammer, a release, or a trigger of a rifle or a pistol.

3. The device as claimed in claim 1 , wherein the first sensor is designed to detect the movement of a feed lever, a slide, a bolt, a release or a trigger for a machine gun.

4. The device as claimed in claim 1 , wherein the first sensor is designed to detect the movement of a piston for a rifle or a machine gun.

5. The device as claimed in claim 1 , wherein the electronic circuit is configured to be awakened or energized when the first sensor detects a movement.

6. The device as claimed in claim 5 , wherein the awakening or the energizing of the electronic circuit only occurs if the part of the weapon has a speed of displacement greater than a reference speed.

7. The device as claimed in claim 1 , wherein the armature serves as a detector of movement and also as a generator of energy for the energizing of the electronic circuit.

8. The device as claimed in claim 1 , wherein the first sensor is of electromagnetic type comprising a coil integrated in the body of the weapon and a magnet integrated in said part of the weapon and designed to be displaced within the coil.

9. The device as claimed in claim 1 , configured to detect, discriminate, and count a shot, whether a live bullet shot or a blank shot, and a dry-firing actuation of the striker, on the basis of the following criteria:

when the first sensor detects a movement in a single direction of the part of the weapon, a dry-firing actuation of the striker is detected,

when the first sensor detects successive movements in opposite directions of the part of the weapon, a shot is detected,

then, when a shot is detected,

said device is configured to discriminate a live bullet shot from a blank shot on the basis of the following criteria:

when the second sensor measures an acceleration of the weapon in a single direction, a live bullet shot is detected,

when the second sensor measures an acceleration of the weapon in one direction followed by an acceleration in an opposite direction, a blank shot is detected.

10. An automatic or semiautomatic weapon comprising a counting device as claimed in claim 1 .

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 20, 2019
From: GERING, ARMAND
To: FN HERSTAL
Reel/Frame 048389/0972 →
Priority Claims (1)
BE 2015/5126 · Mar 10, 2015 · national
Continuity (1)
Related Publication 20180051950A1 · Feb 22, 2018
Cited By (7)
US 12,203,715 US 12,241,701 US 12,442,607 US 12,487,044 US 12,624,914 US 12,687,357 US 12,687,358