Apparatus and method for calculating aiming point information
The present invention relates to target acquisition and related devices, and more particularly to telescopic gunsights and associated equipment used to achieve shooting accuracy at, for example, close ranges, medium ranges and extreme ranges at stationary and moving targets.
1. A reticle, comprising:
a) a first horizontal cross-hair;
b) a first vertical cross-hair that intersects said first horizontal cross-hair;
c) three or more graduated length mil lines of graduated length that intersect said first horizontal cross-hair;
d) three or more graduated length mil lines of graduated length that intersect said first vertical cross-hair; and
e) two or more offset mil lines subtending a gap on said horizontal cross-hair between at least two said graduated length mil lines that intersect said first horizontal cross-hair to the user's left of said first vertical cross-hair, two or more offset mil lines subtending a gap on said horizontal cross-hair between at least two said graduated length mil lines that intersect said first horizontal cross-hair to the user's right of said vertical cross-hair, and two or more offset mil lines subtending a gap on said vertical cross between at least two said graduated length mil lines that intersect said first vertical cross hair above the intersection of said first horizontal cross-hair and said first vertical cross-hair, wherein said gap on said horizontal cross-hair between at least two said graduated length mil lines that intersect said first horizontal cross-hair to the user's left of said first vertical cross-hair, said gap on said horizontal cross-hair between at least two said graduated length mil lines that intersect said first horizontal cross-hair to the user's right of said vertical cross-hair, and said gap on said vertical cross between at least two said graduated length mil lines that intersect said first vertical cross hair above said intersection of said first horizontal cross-hair and said first vertical cross-hair are different gaps, wherein at least one of said two or more offset mil lines does not contact said first horizontal cross-hair or said first vertical cross-hair.
2. The reticle of claim 1 , wherein said three or more graduated length mil lines of graduated length that intersect said first horizontal cross-hair and said three or more graduated length mil lines of graduated length that intersect said first vertical cross-hair are graduated in length in a replicated pattern.
3. The reticle of claim 1 , wherein said three or more graduated length mil lines of graduated length that intersect said first horizontal cross-hair and said three or more graduated length mil lines of graduated length that intersect said first vertical cross-hair are successively 0.5 mils, 0.6 mils, 0.7 mils. 0.8 mils and 0.9 mils in length and wherein this pattern is replicated thereafter along said first horizontal cross-hair and said first vertical cross-hair.
4. The reticle of claim 1 , wherein said two or more offset mil lines subtending said gap between at least two graduated length mil lines that intersect said first horizontal cross-hair to the user's left of said first vertical cross-hair, two or more offset mil lines subtending said gap between at least two said graduated length mil lines that intersect said first horizontal cross-hair to the user's right of said vertical cross-hair, and two or more offset mil lines subtending said gap between at least two said graduated length mil lines that intersect said first vertical cross hair above the intersection of said first horizontal cross-hair and said first vertical cross-hair are successively spaced at 3.5, 3.6, 3.7, 3.8 and 3.9 mils.
5. The reticle of claim 1 , comprising two or more wind markings to the left and to the right of said first vertical cross-hair below the intersection of said first horizontal cross-hair and said first vertical cross-hair.
6. The reticle of claim 5 , wherein said two or more wind markings to the left and to the right of said first vertical cross-hair below the intersection of said first horizontal cross-hair and said first vertical cross-hair are calibrated for the velocity of a target, properties of a projectile, properties of a firearm, or properties of the environment.
7. The reticle of claim 6 , wherein said properties of the environment comprise density altitude, wind speed, wind direction, and wind angle.
8. The reticle of claim 1 , comprising velocity of a target markings above or below said first horizontal cross-hair.
9. The reticle of claim 1 , wherein said first horizontal cross-hair is a line.
10. The reticle of claim 9 , wherein said first horizontal cross-hair line is a straight line.
11. The reticle of claim 1 , wherein said first horizontal cross-hair has a predetermined thickness.
12. The reticle of claim 11 , wherein said predetermined thickness is a single thickness along said first horizontal cross-hair.
13. The reticle of claim 1 , wherein said first vertical cross-hair is a line.
14. The reticle of claim 13 , wherein said first vertical cross-hair line is a straight line.
15. The reticle of claim 1 , wherein said first vertical cross-hair has a predetermined thickness.
16. The reticle of claim 15 , wherein said predetermined thickness is a single thickness along said first vertical cross-hair.
17. The reticle of claim 1 , wherein said first horizontal cross-hair and said first vertical cross-hair physically cross at an intersection point.
18. The reticle of claim 1 , comprising two or more simultaneously visible second horizontal cross-hairs at predetermined distances on said first vertical cross-hair.
19. The reticle of claim 18 , wherein at least one of said two or more second horizontal cross-hairs is an uninterrupted straight line.
20. The reticle of claim 18 , wherein at least one of said two or more second horizontal cross-hairs is a predetermined thickness.
21. The reticle of claim 20 , wherein said predetermined thickness is a single thickness along said at least one of said two or more second horizontal cross-hairs.
22. The reticle of claim 18 , wherein at least one of said two or more second horizontal cross-hairs is shorter in length than said first horizontal cross-hair.
23. The reticle of claim 18 , comprising two or more simultaneously visible second vertical cross-hairs at predetermined distances on said simultaneously visible second horizontal cross-hairs, wherein an intersection of at least one of said two or more simultaneously visible second vertical cross-hairs and at least one of said two or more simultaneously visible straight line second horizontal cross-hairs provides an aiming point.
24. The reticle of claim 23 , wherein at least one of said two or more second vertical cross-hairs is an uninterrupted straight line.
25. The reticle of claim 23 , wherein at least one of said two or more second vertical cross-hairs is a predetermined thickness.
26. The reticle of claim 25 , wherein said predetermined thickness is a single thickness along said at least one of said two or more second vertical cross-hairs.
27. The reticle of claim 23 , wherein at least one of said two or more second vertical cross-hairs is shorter in length than said first vertical cross-hair.
28. The reticle of claim 23 , wherein a plurality of said two or more second vertical cross-hairs are evenly spaced.
29. The reticle of claim 18 , wherein two or more wind markings are evenly spaced on at least one of said two or more simultaneously visible second horizontal cross-hairs.
30. The reticle of claim 18 , wherein two or more wind markings are evenly spaced at intervals that differ between at least two of said two or more simultaneously visible second horizontal cross-hairs.
31. The reticle of claim 5 , wherein said wind markings are identified by numbers.
32. The reticle of claim 1 , comprising a zero aiming point at the intersection of said first vertical cross-hair and said first horizontal cross-hair.
33. The reticle of claim 18 , comprising at least one simultaneously visible straight line second horizontal cross-hair on said first vertical cross-hair above said first horizontal cross-hair.
34. The reticle of claim 1 , comprising two or more range markings along the first vertical cross-hair below the intersection of the first horizontal cross-hair and the first vertical cross-hair.