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US4717221A
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Diffractive color and texture effects for the graphic arts
Assignee: Individual
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Filing: 1986-01-17
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Granted: 1988-01-05
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Expires: 2006-01-17
Abstract
Abstract A method of producing color and texture effects on a surface (210,400) without the use of pigments or actual texturing. Diffraction patterns, generated by interference between two light beams (220,230), are recorded in a suitable high-resolution photographic material (210,400) and are used instead of paints or inks to provide desired color and texture effects in the various regions (440,530) of an artistic or decorative composition. The resulting composition (210,400) may contain spectrally pure or mixed colors and a wide range of static or dynamic textural illusions visible under a variety of lighting conditions.
Inventors
- 👤 Stephen P. McGrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:32
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/18; G02B5/1842; G03; G03H; G03H1/00; G03H1/0005; G03H1/0011; Y; Y10; Y10S; Y10S359/00; Y10S359/90; Y10S428/00; Y10S428/916
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
100 words
A method of making a diffractive pattern for use in graphical compositions incorporating the diffractive effects of color and texture, comprising: generating a temporally coherent and spatially incoherent light field randomly spatially incoherent in one direction; interfering said light field with a reference beam temporally coherent thereto having a predetermined angular relationship to said light field; and recording the interference pattern resulting from the interference between said light field and said reference beam on a photosensitive medium to form a diffractive pattern which will widely diffuse light in said one direction while spectrally dispersing light in a direction perpendicular thereto.
Claim 2
Independent Claim
100 words
A method of making a diffractive pattern for use in graphical compositions incorporating the diffractive effects of color and texture, comprising: generating a temporally coherent and spatially incoherent light field randomly spatially incoherent in one direction; interfering said light field with a reference beam temporally coherent thereto having a predetermined angular relationship to said light field; and recording the interference pattern resulting from the interference between said light field and said reference beam on a photosensitive medium to form a diffractive pattern which will widely diffuse light in said one direction while spectrally dispersing light in a direction perpendicular thereto.
Claim 3
Independent Claim
111 words
A method of making graphical compositions incorporating diffractive patterns having apparent motion resulting from change in the angle of viewing said composition, said composition comprising: generating an optical interference pattern by interfering a temporally coherent reference light beam of predetermined structure with a temporally coherent and spatially incoherent object light field restricted to a predetermined angular distribution substantially equivalent to passing said light field through at least one aperture whose cross-section in one direction is substantially less than the full width of said light field; and recording said interference pattern on predetermined regions of said recording surface while preventing the recording of said interference on other regions of said recording surface.
Claim 4
Independent Claim
111 words
A method of making graphical compositions incorporating diffractive patterns having apparent motion resulting from change in the angle of viewing said composition, said composition comprising: generating an optical interference pattern by interfering a temporally coherent reference light beam of predetermined structure with a temporally coherent and spatially incoherent object light field restricted to a predetermined angular distribution substantially equivalent to passing said light field through at least one aperture whose cross-section in one direction is substantially less than the full width of said light field; and recording said interference pattern on predetermined regions of said recording surface while preventing the recording of said interference on other regions of said recording surface.
Claim 5
Dependent Claim
63 words
A physical representation of a diffractive pattern generated by the interference of a reference beam and an object beam that is randomly diffuse in one direction and relatively non-diffuse in a direction perpendicular to said one direction, said diffractive pattern thereby serving to diverge white light in said one direction and serving to redirect and spectrally disperse polychromatic light along said perpendicular direction.
Claim 6
Dependent Claim
63 words
A physical representation of a diffractive pattern generated by the interference of a reference beam and an object beam that is randomly diffuse in one direction and relatively non-diffuse in a direction perpendicular to said one direction, said diffractive pattern thereby serving to diverge white light in said one direction and serving to redirect and spectrally disperse polychromatic light along said perpendicular direction.
Claim 7
Dependent Claim
74 words
A physical representation of a diffractive pattern generated by the interference of a reference beam and an object beam that is randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, said object beam being blocked by a mask in selected locations, said diffractive pattern thereby serving to diverge white light in said one direction and serving to redirect and spectrally disperse polychromatic light along said perpendicular direction.
Claim 8
Dependent Claim
74 words
A physical representation of a diffractive pattern generated by the interference of a reference beam and an object beam that is randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, said object beam being blocked by a mask in selected locations, said diffractive pattern thereby serving to diverge white light in said one direction and serving to redirect and spectrally disperse polychromatic light along said perpendicular direction.
Claim 9
Dependent Claim
76 words
A physical representation of a diffractive graphical composition made by recording a plurality of diffractive patterns in selected regions of a surface, said diffractive patterns corresponding to interference patterns formed by the optical interference of mutually coherent reference and object beams, said object beams being randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, and said object beams further being blocked in selected locations by at least one mask.
Claim 10
Dependent Claim
76 words
A physical representation of a diffractive graphical composition made by recording a plurality of diffractive patterns in selected regions of a surface, said diffractive patterns corresponding to interference patterns formed by the optical interference of mutually coherent reference and object beams, said object beams being randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, and said object beams further being blocked in selected locations by at least one mask.
Claim 11
Dependent Claim
84 words
A physical representation of a diffractive graphical composition made by recording a plurality of diffractive patterns in selected regions of a surface, said diffractive patterns corresponding to interference patterns formed by the optical interference of mutually coherent object and reference beams, at least one of said object beams being randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, and at least one other of said object beams corresponding to a three-dimensional image of a solid, textured surface.
Claim 12
Dependent Claim
84 words
A physical representation of a diffractive graphical composition made by recording a plurality of diffractive patterns in selected regions of a surface, said diffractive patterns corresponding to interference patterns formed by the optical interference of mutually coherent object and reference beams, at least one of said object beams being randomly diffuse in one direction and relatively nondiffuse in a direction perpendicular to said one direction, and at least one other of said object beams corresponding to a three-dimensional image of a solid, textured surface.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-04 | 1991-07-06 | 1992-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-04 | 1995-07-06 | 1996-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-04 | 1999-07-06 | 2000-01-05 | $7700.00 | Window Closed / Lapsed |