Handheld rangefinder operable to determine hold-over ballistic information
US8081298B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 24, 2008 |
| Grant date | Dec 20, 2011 |
| Priority date | — |
| Expiry date | Sep 15, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF41G3/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A handheld rangefinder device operable to determine ballistic hold-over information is disclosed. The rangefinder device generally includes a range sensor operable to determine a range to a target, a memory storing a database of ranges and corresponding hold-over values for a default sight-in distance, and a computing element, coupled with the range sensor and the memory. The computing element may calculate an adjusted hold-over value based on the range and an actual sight-in distance. Additionally, a tilt sensor may be included to provide information for calculating an angle-adjusted hold-over value. Such a configuration facilitates accurate firearm use by providing ranges and hold-over values without requiring time-consuming and manual user calculations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.