摘要 |
Apparatus for identifying an element within an array of elements, is disclosed as including a sighting device that is disposable in a plurality of positions to facilitate the operator to position the device in an orientation so that the device is aligned with or sighted upon the element within the array, operator-controllable means coupled to the sighting device to permit the operator to variably position the sighting device, an orientation sensing means coupled to the sighting device to provide an output signal indicative of the particular orientation of the device and computing means responsive to the position indicating signals to provide a manifestation indicating the element's position within the field, as sighted by the operator. |