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US 6,623,130 B2Granted
Optical, image producing device
OwnerThomas W. Bramhill, Esther Strycharzinventors
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Abstract
An optical, image producing device of the Camera Lucidas type is provided wherein the panel on which the optical image is superimposed may be supported at different angles of inclination on a base, to which a mirror assembly carrying column is rigidly attached, so that the inclination of the panel can be adjusted allowing the device to be used tilted to observe an object at different elevations. The column has a viewing aperture which is wide enough for an image to be viewed simultaneously by both eyes to give a panoramic view.
Claims9
An optical image providing device comprising:
- a) a first mirror,
- b) a second semi-transparent mirror,
- c) a column having viewing means for viewing a reflected image of a subject from the rear of the column at an upper position thereof,
- d) mirror mounting means for rigidly securing the first and second mirrors to the column against movement in a divergent manner from one another, with the viewing means them for viewing from their closest ends and with the first mirror uppermost, so that in operation an image of the subject reflected from the first mirror on to the second mirror can be seen as the reflected image on the second mirror through the viewing means,
- e) a base for rigidly supporting the column in an upright position when the device is in use,
- f) panel mounting means for mounting the panel on the base at different angles of inclination from the vertical, at which the panel is inclined away from the mirrors at an angle which is about twice the divergent angle between the mirrors and at which the panel can generally be viewed through the viewing
- means with said reflected image superimposed thereon, when the base is horizontal and when the device is tilted from that position.
4 more elements
Dependencies are inferred from the claim text.