Education and demonstration – Means for demonstrating apparatus – product – or surface... – Superposed indicia bearing sheets – one depicting interior view
Patent
1980-10-17
1983-02-01
Skogquist, Harland S.
Education and demonstration
Means for demonstrating apparatus, product, or surface...
Superposed indicia bearing sheets, one depicting interior view
434269, G09B 2330, G09B 2500
Patent
active
043713459
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to display devices, especially for educational or instructional use, and has as an object to present a multi-dimensional display built up from two- or three-dimensional pictorial elements.
BACKGROUND
It is particularly useful to be able to display in three dimensions the interior structure of human, animal and other organisms. Practically all of the data available on such organisms has at some time been collected from cross-sections through the organism. From such sections, over the years, data has been collected and stored as pictures in books, on photographic slides and the like. It is an object of this aspect of the invention to display this information in a multi-dimensional pictorial form. It is known (U.K. Specifications No. 633712 and 634316) to provide a set of parallel transparent panels mounted to a support frame to represent different heights above the ground, for the purpose of plotting the movements of aircraft. However, the pictorial representation is continually changing and does not represent a three-dimensional structure.
SUMMARY OF THE INVENTION
In one aspect, the present invention provides multi-dimensional display equipment, comprising a plurality of transparent panels bearing representations of cross-sections of a three-dimensional body, or upon which such representations may be applied, and a support structure adapted to carry the panels in spaced relationship so that the sections represented on the panels may be located in their correct relative order, the support structure being adapted to allow the sectional representations to be viewed in situ from different positions externally of the structure, by means of light transmitted through the transparent panels.
The panels may be mutually spaced apart so as to represent separate cross-sections of the body. However, some at least of the panels may be spaced so that they contact or intersect each other, thereby representing converging or intersecting sections through the body. The panels are preferably planar, but they may be provided with a moulded or textured surface if desired.
The equipment preferably includes means for determining co-ordinates of a point on a said panel both in terms of its position in relation to the panel and also in terms of its position on an axis intersecting the planes of the panels. The co-ordinate determining means preferably includes a scale on the support structure along a said axis (herein called the z-axis) intersecting the planes of the panels and arranged so as to show the location of the panels on that axis. The co-ordinate determining means may also include two further scales on the support structure extending along axes (herein called the x- and y-axes respectively), parallel to the planes of the panels, by means of which the co-ordinates of a said point in relation to its respective panel may be determined. Thus the position of a point on any panel can be identified by its location in the plane of the panel on the x, y-axes and the location of the panel itself on the z-axis. The z-axis scale may be provided on one or more of a number of posts of the support structure to which posts the panels are mounted. The x- and y-scales may alternatively be provided on the panels themselves, for example in the form of a grid of intersecting lines. Preferably the x- and y-scales are provided, suitably in the form of a grid of intersecting lines, on separate transparent sheets which can be laid on the panels.
The support structure may take the form of a container, having means therein for supporting the panels, and transparent or open-sided walls through which the panels may be viewed. The spatial arrangement of the panels need not be such as to give the sections their original relative spacing, but they may be arranged to give a more expanded or condensed spatial relationship. Alternatively, the support structure may include a number of posts to which the panels are connected. The panels are preferably mounted to the support structure so that they can be individuall
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patent: 218893 (1879-08-01), McIlvenna
patent: 1720736 (1929-07-01), Kuipers
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patent: 2610413 (1952-09-01), Dasey
patent: 2915832 (1959-12-01), Phillips
patent: 3276146 (1966-10-01), Epstein
patent: 3822938 (1974-07-01), Hirsch
MacDonald Alexander J. R.
Palmer John H. W.
National Research Development Corporation
Skogquist Harland S.
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