Determination and passing on of a target direction for tanks
First Claim
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1. A method of using an optical square to position a selected target in the field of view of a magnifying sight comprising the steps of:
- (a) providing a magnifying sight having a predetermined magnification;
(b) providing an optical square having in an exit window thereof a vertical line as a sighting aid and having in an entry window thereof at least one selectively positionable indicator field of view related to the predetermined magnification of the magnifying sight;
(c) visually aligning the vertical line of the optical square on the line of sight between a selected target and the selectively positionable field of view indicator of the optical square by positioning the field of view indicator;
(d) providing a control signal in response to the position of the field of view indicator; and
(e) positioning the magnifying sight responsively to the control signal so that the field of view of the magnifying sight will encompass the field of view indicated by the field of view indicator of the optical square.
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Abstract
In a method of determining the direction of a target by means of an optical square and passing on this direction to a magnifying sight for warfare tanks the exit window (4) of the optical square is provided with a vertical line of sight (8) and the entry window (1) with a sight aid (11). Marked areas (5, 10) in the exit window (4) have the effect that upon adjustment of the sight to the direction defined by the sight aid (11), the marked area positively will lie within the field of view of the magnifying sight.
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Citations
5 Claims
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1. A method of using an optical square to position a selected target in the field of view of a magnifying sight comprising the steps of:
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(a) providing a magnifying sight having a predetermined magnification; (b) providing an optical square having in an exit window thereof a vertical line as a sighting aid and having in an entry window thereof at least one selectively positionable indicator field of view related to the predetermined magnification of the magnifying sight; (c) visually aligning the vertical line of the optical square on the line of sight between a selected target and the selectively positionable field of view indicator of the optical square by positioning the field of view indicator; (d) providing a control signal in response to the position of the field of view indicator; and (e) positioning the magnifying sight responsively to the control signal so that the field of view of the magnifying sight will encompass the field of view indicated by the field of view indicator of the optical square. - View Dependent Claims (2, 3, 4, 5)
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Specification