Method and device for creating an illusion of thickness from a flat image

• US 6,032,392 A
• Filed: 12/08/1997
• Issued: 03/07/2000
• Est. Priority Date: 12/08/1997
• Status: Expired due to Term

• Current Assignee: Robert Gordon
• Original Assignee: Robert Gordon
• Inventors: Gordon, Robert
• Primary Examiner(s): DAVIS, CASSANDRA HOPE
• Application Number:
  US08/986,819
• Time in Patent Office: 820 Days
• Field of Search: 40/433, 40/431, 40/435, 40/474, 40/473, 40/495, 40/577, 40/579, 40/580
• US Class Current: 40/433
• CPC Class Codes: G09F 13/32 with moving optical part of parts, e.g. mirrors
• CPC Class Codes: G09F 19/22 Advertising or display means on roads, walls or similar surfaces, e.g. illuminated

Abstract

A method and apparatus for producing an illusion of depth from a flat image. The apparatus includes a plurality of sheets, each being at least partially transparent and reflective and a light source. A design media having at least one of relatively thin linear and curvilinear design elements cut therein is positioned between the plurality of sheets and the light source. A frame is provided for holding the plurality of sheets therein and forms a slot therebehind for holding the design media. When the light source is illuminated an illusion of depth is produced for the at least one of relatively thin linear and curvilinear design elements cut into the design media. A display media including a plurality of color sectors separated by a plurality of sector lines is rotatably positioned between the design media and the light source. The addition of the display media cooperates with the design media to create the appearance of a series of continually undulating colorful surface segments moving along the path of the original design, changing color and length as they move inward toward the center of the display or outward depending on the direction of rotation of the display media.

Claims

1. A method of producing an illusion of depth comprising the steps of:

a) forming a plurality of sheets into a stack for serving as a viewing screen, each sheet having a thickness based on a desired degree of smoothness of the illusion and an amount of said plurality of sheets equal to the desired depth of the illusion divided by twice the thickness of a typical one of the plurality of sheet;

b) selecting an amount of said plurality of sheets based upon said desired degree of smoothness of the illusion;

c) forming a gap between each of said plurality of sheets, a size of said gap being equal to the thickness of one of said plurality of sheets;

d) creating a design having at least one of relatively thin linear and curvilinear design elements on a design media capable of being illuminated by at least one of reflected and transmitted light, said design occupying a minority portion of the media, the remaining portion of the media providing a background; and

e) illuminating said design with a light source having an empirically chosen intensity.

2. The method of producing an illusion of depth as defined in claim 1, further comprising the step of determining an amount of said plurality of sheets by dividing said desired depth of the illusion by 4 times the thickness of one of said plurality of sheets.

3. The method of producing an illusion of depth as defined in claim 2, further comprising the steps of forming a design of substantially opaque lines angularity offset with respect to the linear design on the design media on a display media;

imparting bi-directional motion to one of the design and display media, wherein the substantially opaque lines of the design of the display media are separated by light transmitting portions; and

arranging the display media substantially in line with the design media, wherein the arrangement produces a changing interference pattern creates an illusion of surfaces having depth with motion determined by the change in the interference pattern when viewed through the plurality of sheets.

4. The method of producing an illusion of depth as defined in claim 3, wherein the display media is in the form of a color wheel having opaque radial lines comprising a smaller portion of a total area of the color wheel and light transmitting colored sectors comprising a remaining portion thereof.

5. A device for producing an illusion of depth from a flat image, comprising:

a) a plurality of sheets, each of said sheets being at least partially transparent and reflective;

b) a light source;

c) a design media having at least one of relatively thin linear and curvilinear design elements cut therein positioned between the plurality of sheets and said light source;

d) a frame for holding said plurality of sheets therein and forming a slot therebehind for holding said design media, wherein illumination of said light source produces an illusion of depth for said at least one of relatively thin linear and curvilinear design elements cut into said design media; and

e) a display media having a design of a plurality of substantially opaque lines angularity offset with respect to the linear design on the design media and positioned between said design media and said light source.

6. The device for producing an illusion of depth from a flat image as claimed in claim 5, further comprising means for imparting rotation to said display media.

7. The device for producing an illusion of depth from a flat image as claimed in claim 6, further comprising a housing including a face side having an aperture cut therein and a base side, said plurality of sheets, frame, design media, display media and light source being positioned atop said base side within said housing and being viewable through said aperture in said face side, said base side including a slot therein through which said display media extends.

8. The device for producing an illusion of depth from a flat image as claimed in claim 6, wherein said means for imparting rotation to said display media imparts bi-directional motion to said display media.

9. The device for producing an illusion of depth from a flat image as claimed in claim 8, wherein a gap exists between each of said plurality of sheets.

10. The device for producing an illusion of depth from a flat image as claimed in claim 9, wherein each of said plurality of sheets has a thickness and said gap between each of said plurality of sheets has a size equal to the illusory depth produce by the device multiplied by four times said thickness of each of said plurality of sheets.

11. The device for producing an illusion of depth from a flat image as claimed in claim 5, wherein each of said plurality of sheets are formed of glazing quality acrylic sheets.

12. The device for producing an illusion of depth from a flat image as claimed in claim 11, wherein each of said plurality of sheets has a thickness of 1/16 inch and said frame holds thirty two of said sheets.

13. The device for producing an illusion of depth from a flat image as claimed in claim 7, wherein said display media includes a plurality of light-transmitting color sectors defined by said plurality of substantially opaque lines.

14. The device for producing an illusion of depth from a flat image as claimed in claim 7, wherein the display media is in the form of a color wheel having opaque radial lines comprising a smaller portion of a total area of the color wheel and light transmitting colored sectors comprising a remaining portion thereof.

15. The device for producing an illusion of depth from a flat image as claimed in claim 7, wherein said design media is a rigid sheet of transparent material overlaid with a black coating.

16. The device for producing an illusion of depth from a flat image as claimed in claim 15, wherein said at least one of relatively thin linear and curvilinear design elements cut into said design media extend in a direction away from a center of said design media.