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20 A grip frame 21 replaces an existing grip frame 1 on a paintball marker in order to convert said paintball marker from a mechanically operated paintball marker into an electro-pneumatic paintball marker. The electronic grip frame 21 utilizes an optical sensor in order to detect the operation of a

20 A grip frame 21 replaces an existing grip frame 1 on a paintball marker in order to convert said paintball marker from a mechanically operated paintball marker into an electro-pneumatic paintball marker. The electronic grip frame 21 utilizes an optical sensor in order to detect the operation of a trigger 29 and a second optical sensor to detect the presence of objects within the breech of the paintball marker. Electrical signals from these sensors are taken to an electronic circuit board 24, which controls the operation of two solenoids (one shown 26) in order to fire and recock the paintball marker. A user interface comprising pushbuttons 12, 13, 14 and a multi-character display 16, allows the user to define how the grip frame 21 functions.

대표청구항 ▼

The invention claimed is: 1. An electronic grip frame for a paintball marker, comprising: a frame; a trigger, having a front side and a rear side, movably connected to the frame; the trigger being rotatable about a pivot axis; a prong connected to an emanating rearwardly away from the rear side of

The invention claimed is: 1. An electronic grip frame for a paintball marker, comprising: a frame; a trigger, having a front side and a rear side, movably connected to the frame; the trigger being rotatable about a pivot axis; a prong connected to an emanating rearwardly away from the rear side of the trigger; a light emitter mounted to the frame and being capable of emitting light; a light detector mounted to the frame and positioned in parallel spaced apart relationship to the light emitter defining a elongated passage therebetween having a longitudinal centerline; the light detector being capable of detecting light emitted from the light emitter transversely through the elongated passage; the prong being movable along the longitudinal centerline between a depressed firing position between the light emitter and the light detector and a released non-firing position not between the light emitter and the light detector; the light emitter and light detector forming an optical sensor; the prong being movable along the longitudinal centerline upon rotation of the trigger about the pivot axis; and an electrical output connected to the optical sensor; the electrical output being capable of generating a first electrical signal indicative of the trigger at the released non-firing position where light from the light emitter is directly detected by the light detector and a second electrical signal indicative of the trigger at the depressed firing position where the presence of the prong in the elongated passage prevents light from the light emitter from directly being detected by the light detector. 2. The electronic grip frame of claim 1, further comprising: a first adjustable stop connected to the trigger to limit positioning of the trigger relative to the frame when the trigger is in the resting position. 3. The electronic grip frame of claim 1, further comprising: a second adjustable stop connected to the trigger to limit positioning of the trigger relative to the frame when the trigger is in the firing position. 4. The electronic grip frame of claim 1, further comprising: means for biasing the trigger into the resting position. 5. The electronic grip frame of claim 4, wherein the means for biasing is a ferrous set screw mounted in the trigger and a magnet attached to the frame at a location aligned with the ferrous set screw. 6. The electronic grip frame of claim 1, wherein the frame and trigger are made of metal. 7. The electronic grip frame of claim 1, further comprising: a microprocessor electrically connected to the electrical output of the non-contact sensor; a sear solenoid electrically connected to the microprocessor; a hammer mechanically connected to the sear solenoid; a pin valve mechanically connected to the hammer; and a source of gas fluidly connected to the pin valve.