Apparatus and method for aiming point calculation

• US 9,068,794 B1
• Filed: 06/17/2014
• Issued: 06/30/2015
• Est. Priority Date: 12/08/1997
• Status: Expired due to Fees

• Current Assignee: HVRT Corp
• Original Assignee: Horus Vision LLC (Horus Vision Reticle Technologies)
• Inventors: Sammut, Dennis J.
• Primary Examiner(s): Clement, Michelle
• Application Number:
  US14/307,126
• Publication Number:
  US 20150198419A1
• Time in Patent Office: 378 Days
• Field of Search: 421/22, 42/84, 89/411.4, 89/410.3, 89/411.5, 89/411.6, 89/411.7, 89/411.9, 892/00, 892/04
• US Class Current: 1/1
• CPC Class Codes: F41G 1/01 characterised by the visual combination effect of the respective geometrical forms of fore and rear sight F41G1/42 takes precedence
• CPC Class Codes: F41G 1/033 adjustable
• CPC Class Codes: F41G 1/12 with line or mark other than notch
• CPC Class Codes: F41G 1/38 Telescopic sights specially adapted for smallarms or ordnance telescopic sights in general G02B; Supports or mountings therefor
• CPC Class Codes: F41G 3/00 Aiming or laying means sighting devices F41G1/00; determining direction, distance or velocity by use of radio or other waves G01S; computers G06; antennas H01Q
• CPC Class Codes: F41G 3/06 with rangefinder rangefinders per se G01C
• CPC Class Codes: F41G 3/08 with means for compensating for speed, direction, temperature, pressure, or humidity of the atmosphere measuring G01
• CPC Class Codes: F41G 3/12 with means for compensating for muzzle velocity or powder temperature with means for compensating for gun vibrations
• CPC Class Codes: G02B 23/12 with means for image conversion or intensification
• CPC Class Codes: G02B 23/14 Viewfinders for photographic apparatus G03B13/02
• CPC Class Codes: G02B 23/145 Zoom viewfinders

Abstract

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.

Claims

1. A method for using a computer running a ballistics program, comprising:

a) inputting cartridge, altitude, temperature and atmospheric pressure data into said computer running said ballistics computer program;

b) calculating points of impact based on said data by said computer using said ballistics program;

c) selecting an aiming point on a reticle in a gunsight using said points of impact wherein said reticle comprises;

1) a primary vertical cross-hair;

2) a primary horizontal cross-hair intersecting said primary vertical cross-hair;

3) a plurality of secondary horizontal cross-hairs evenly spaced along said primary vertical cross-hair; and

4) a plurality of secondary vertical cross-hairs evenly spaced along at least some of said secondary horizontal cross-hair wherein said secondary vertical cross-hairs intersect one and only one secondary horizontal cross-hair.

2. The method of claim 1, wherein said gunsight comprises a housing.

3. The method of claim 2, wherein said gunsight comprises an objective lens mounted in one end of said housing.

4. The method of claim 3, wherein said gunsight comprises an ocular lens mounted in an opposite end of said housing from said objective lens, wherein said reticle is mounted in said housing between said objective lens and said ocular lens.

5. The method of claim 1, wherein said reticle is constructed from an optically transparent wafer or disc.

6. The method of claim 1, wherein said primary vertical cross-hair, said primary horizontal cross-hair, said plurality of secondary horizontal cross-hairs, and said plurality of secondary vertical cross-hairs are provided by etching.

7. The method of claim 1, wherein said primary vertical cross-hair, said primary horizontal cross-hair, said plurality of secondary horizontal cross-hairs, and said plurality of secondary vertical cross-hairs are provided by printing.

8. The method of claim 1, wherein said primary vertical cross-hair, said primary horizontal cross-hair, said plurality of secondary horizontal cross-hairs, and said plurality of secondary vertical cross-hairs are provided by applying hairs or wires of known diameter.

9. The method of claim 1, further comprising the step of firing said cartridge at a target.

10. The method of claim 9, wherein said target is at a range greater than 500 yards.

11. The method of claim 10, wherein said target is at a range of 1000 yards to 2500 yards.