System and method of detecting the position of the trigger in gun replicas
First Claim
1. The trigger position detection system in replica firearms comprising a sensor built from at least one light source D1 (5) and at least one receiver Q1 (6) converting the light signal into an electrical signal, wherein the light source D1 (5) and the light receiver Q1 (6) are located on a printed circuit board (7) in a way that they are deviated from the vertical axes running perpendicularly to the upper surface of the cylinder edge by an angle from the range of 0°
- -90°
, and their active surfaces are directed towards the replica trigger (1), wherein the light source D1 (5) is connected to the microcontroller pin and the receiver Q1 (6) is connected to an analog microcontroller pin equipped with an analog-to-digital converter or to an analog-to-digital converter U1 which is coupled with a microcontroller.
1 Assignment
0 Petitions
Accused Products
Abstract
The trigger position detection system in replica firearms comprising a sensor built from at least one light source D1 (5) and at least one receiver Q1 (6) converting the light signal into an electrical signal, wherein the light source D1 (5) and the light receiver Q1 (6) are located on a printed circuit board (7) in a way that they are deviated from the vertical axes running perpendicularly to the upper surface of the cylinder edge by an angle from the range of 0°-90°, and their active surfaces are directed towards the replica trigger (1).
A method of detecting the position of the trigger in replica firearms comprising controlling the light source D1 (5) in such a manner that at fixed regular time intervals, each time it emits light for the same period of time, while directing the beam reflected from the surface of the replica trigger (1) towards the receiver Q1 (6), which converts alternately the intensity of reflected light into an electric current and the intensity of the light reaching the receiver Q1 (6) from the environment of the replica or the intensity of only the light reaching the receiver Q1 (6) from the environment of the replica, the electric current flows through the resistor R2, generating voltage drop at its terminals, while in the analog-to-digital converter the resistor R2 voltage is converted into a digital signal and its value is stored in the buffer storing the last five results.
2 Citations
15 Claims
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1. The trigger position detection system in replica firearms comprising a sensor built from at least one light source D1 (5) and at least one receiver Q1 (6) converting the light signal into an electrical signal, wherein the light source D1 (5) and the light receiver Q1 (6) are located on a printed circuit board (7) in a way that they are deviated from the vertical axes running perpendicularly to the upper surface of the cylinder edge by an angle from the range of 0°
- -90°
, and their active surfaces are directed towards the replica trigger (1), wherein the light source D1 (5) is connected to the microcontroller pin and the receiver Q1 (6) is connected to an analog microcontroller pin equipped with an analog-to-digital converter or to an analog-to-digital converter U1 which is coupled with a microcontroller. - View Dependent Claims (2, 3)
- -90°
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4. A method of detecting the position of the trigger in replica firearms comprising controlling the light source D1 (5) in such a manner that at fixed regular time intervals, each time it emits light for the same period of time, while directing the beam reflected from the surface of the replica trigger (1) towards the receiver Q1 (6), which converts alternately the intensity of reflected light into an electric current and the intensity of the light reaching the receiver Q1 (6) from the environment of the replica or the intensity of only the light reaching the receiver Q1 (6) from the environment of the replica, the electric current flows through the resistor R2, generating voltage drop at its terminals, while in the analog-to-digital converter the resistor R2 voltage is converted into a digital signal and its value is stored in the buffer storing the last five results, and after each fixed time interval, the voltage drop data is analyzed in the microcontroller and the difference between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr[2], pr[3] and pr[4] is calculated, wherein the samples pr[0], pr[2] and pr[4] constitute the intensity value of only the light coming from the environment of the replica, and samples pr[1] and pr[3] are the sum of the intensity of light emitted by the light source D1 (5) and then reflected from the surface of the replica trigger (1) and the light intensity coming from the environment of the replica;
- when calculating the difference values for the respective samples and obtaining the intensity value of only the light emitted by the light source D1 (5);
if at least one of the four differences between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr[2], pr[3] and pr[4] is lower than the threshold previously defined by the user of the replica in the calibration process, this state is treated as a released trigger, but if each difference between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr[2], pr[3] and pr [4] is equal to or greater than the threshold defined by the user, this state is treated as a pressed trigger and the projectile launch process is activated. - View Dependent Claims (5, 6, 7)
- when calculating the difference values for the respective samples and obtaining the intensity value of only the light emitted by the light source D1 (5);
- 8. The trigger position detection system in replica firearms comprising a sensor consisting of two light sources D1 (5) and D2 (9) and one receiver Q1 (6) converting a light signal into an electrical signal, wherein the light sources D1 (5) and D2 (9) and the light receiver Q1 (6) are placed on two separate printed circuit boards (7 and 8) parallel to each other, between which the replica trigger (1) moves, where the active surfaces of the light sources D1 (5) and D2 (9) and the light receiver Q1 (6) are directed towards the trigger, while the positions of the light sources D1 (5) and D2 (9) and the light receiver Q1 (6) are strictly defined relative to the position of the replica trigger (1), and the edges of the active surfaces of the light source D1 (5) and the receiver Q1 (6) located closer to the replica trigger (1) are contained in the plane intersecting both printed circuit boards (7, 8) perpendicularly, wherein the distance between the light sources D1 (5) and D2 (9), the light receiver Q1 (6) and the trigger (1) is set in such a way that the replica trigger (1) in the released position forms a shadow originating from the light source D2 (9) over a small area of the active surface of the light receiver Q1 (6), while the light source D2 (9) is arranged in relation to light source D1 (5) so that there is only one position of the trigger (1), such that the it forms a shadow originating from the light source D2 (9) over the entire active surface of the light receiver Q1 (6), while the light sources D1 (5) and D2 (9) are connected to the microcontroller pin, and the light receiver Q1 (6) is connected to an analog microcontroller pin equipped with an analog-to-digital converter or to an analog-to-digital converter U1 which is coupled with the microcontroller.
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11. A method for detecting the trigger position in replica firearms comprising controlling the light sources D1 (5) and D2 (9) in such a way that at fixed regular time intervals, each time they emit light for the same period of time, and the emitted light goes in the direction of the receiver Q1 (6), which alternately converts into an electric current the light intensity originating from the light sources D1 (5) and D2 (9) and the intensity of light reaching the receiver Q1 (6) from the environment of the replica, or the intensity of only the light reaching the receiver Q1 (6) from the environment of the replica, while the electric current flows through the resistor R2 generating voltage drop at its terminals, while the analog-to-digital converter converts the voltage of resistor R2 into a digital signal, and its value is stored in the buffer storing the last five results, and after each fixed time interval, voltage drop data is analyzed in the microcontroller and the difference between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr[2], pr[3] and pr[4] is calculated, wherein the samples pr[0], pr[2] and pr[4] are the intensity value of only the light coming from the environment of the replica, and the samples pr[1] and pr[3] are the sum of the intensity of light emitted by the light sources D1 (5) and D2 (9) and the intensity of the incoming light from the surroundings of the replica, or the samples pr[0], pr[2] and pr[4] are the sum of the intensity of light coming from the environment of the replica and the intensity of light emitted by the light sources D1 (5) and D2 (9), and the samples pr [1] and pr [3] are the intensity value of the light emitted by the light sources D1 (5) and D2 (9), and when calculating the difference values for the respective samples, the intensity of only the light emitted by the light sources D1 (5) and D2 (9) is obtained;
- wherein if at least one of the differences between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr[2], pr[3] and pr[4] is greater than the threshold previously defined by the replica user in the calibration process, it is treated as a released trigger, but if each difference between samples pr[1] and pr[0], pr[1] and pr[2], pr[3] and pr [2], pr [3] and pr [4] is equal to or less than the threshold defined by the user, it is treated as pressing the trigger (1) and this activates the projectile launch process.
- View Dependent Claims (12, 13, 14, 15)
Specification