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"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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| Number | Title | Issue Date |
| 7086163 | Method and remote-controlled reflector device for layout axis lines during construction of a building in the absence of direct line of sight A method and remote-controlled reflector device for layout reference and axis lines is provided for use preferably in high building construction industry. The reflector device includes a mirror capable of rotating about its horizontal and vertical axes as controlled... | 08/08/2006 |
| 6583862 | Combined telescope and telemeter device The invention relates to a combined telescope and telemeter device comprising a telescopic sight (1) having a housing (2), one end of which receives an objective lens (3) while the other end receives an eyepiece (4), said housing defining a beam path (5) ... | 06/24/2003 |
| 6020955 | System for pseudo on-gimbal, automatic line-of-sight alignment and stabilization of off-gimbal electro-optical passive and active sensors A system that automatically aligns and stabilizes off-gimbal electro-optical passive and active sensors of an electro-optical system. The alignment and stabilization system dynamically boresights and aligns one or more sensor input beams and an output bea... | 02/01/2000 |
| 4988193 | Method and apparatus for measuring incident light angle relative to level Apparatus operable in accordance with the method of the present invention for measuring the angle of incidence of a light beam or plane relative to level comprises a photodetector array for sensing the light and a level mirror preferably comprising a pool... | 01/29/1991 |
| 4592654 | Head-up gunsight using a single optical component for viewing both a reticle and landscape A sight such as a gunsight for a helicopter comprises a movable assembly including a reticle generator and a single optical component which is both semireflecting and capable of collimating the image of the reticle. The movable assembly is driven by drive... | 06/03/1986 |
| 4261647 | Head up displays A display unit for a head up display wherein the combiner (11), which serves to reflect light from a display surface (14) towards an observer to provide the observer with an image of the display superimposed on his view through the combiner, comprises fir... | 04/14/1981 |
| 4167333 | Automatic distance compensating sight and process of sighting A sighting lens has a refraction displacement of the image such that upon selected positioning of the lens on a weapon, such as an archery bow, and using a reference point therewith, a novel sighting procedure for hunting animals can be used which compris... | 09/11/1979 |
