US5539487A — Method and apparatus for recording stereoscopic i…

Claim 1

Independent Claim 212 words

A method for recording stereoscopic images, which records a plurality of original images from different viewpoints, on a lenticular recording material having a recording layer provided on the rear side of a lenticular sheet having lenticular lenses, comprising the steps of: generating image information corresponding to said plurality of original images, forming discrete linear images into which each of the original images is split and that correspond to respective lenticular lenses on said lenticular sheet and to the pitch of the lenticular lenses, determining, in accordance with the conditions for recording the original images, the positions where the linear images based on said original images are to be recorded on said images recording layer in such a way that a completed stereoscopic image will come out correctly when it is viewed from the lenticular sheet side, and recording said linear images from the rear side of said lenticular recording material, wherein said lenticular recording material is scan exposed two-dimensionally from the rear side with a light beam modulated in accordance with said linear images to be recorded and said linear images are recorded as they are arranged sequentially in accordance with the conditions for recording the original images, thereby forming a complete stereoscopic image which is viewable from the lenticular sheet side.

Claim 2

Independent Claim 212 words

A method for recording stereoscopic images, which records a plurality of original images from different viewpoints, on a lenticular recording material having a recording layer provided on the rear side of a lenticular sheet having lenticular lenses, comprising the steps of: generating image information corresponding to said plurality of original images, forming discrete linear images into which each of the original images is split and that correspond to respective lenticular lenses on said lenticular sheet and to the pitch of the lenticular lenses, determining, in accordance with the conditions for recording the original images, the positions where the linear images based on said original images are to be recorded on said images recording layer in such a way that a completed stereoscopic image will come out correctly when it is viewed from the lenticular sheet side, and recording said linear images from the rear side of said lenticular recording material, wherein said lenticular recording material is scan exposed two-dimensionally from the rear side with a light beam modulated in accordance with said linear images to be recorded and said linear images are recorded as they are arranged sequentially in accordance with the conditions for recording the original images, thereby forming a complete stereoscopic image which is viewable from the lenticular sheet side.

Claim 3

Dependent Claim 38 words

The method for recording stereoscopic images according to claim 1, wherein the step of recording said linear images includes: preventing halation of said linear images by providing an anti-halation layer between said recording material and said lenticular sheet.

Claim 4

Dependent Claim 40 words

The method for recording stereoscopic images according to claim 1, wherein the step of recording said linear images includes: adjusting a recording width of the linear images such that no gaps exists on the recording material between adjacent linear images.

Claim 5

Dependent Claim 32 words

The method for recording stereoscopic images according to claim 3, wherein the step of recording said linear images includes: using a beam expander to increase the recording width of the linear images.

Claim 6

Dependent Claim 56 words

The method for recording stereoscopic images according to claim 1, wherein the step of recording said linear images includes: for each of said lenticular lenses, recording a plurality of each of said linear images that correspond to the pitch of said lenticular lenses, such that no gaps exist on the recording material between adjacent linear images.

Claim 7

Dependent Claim 114 words

The method for recording stereoscopic images according to claim 1, further comprising the steps of: continuously transporting said lenticular recording material in a slow scan direction at a slow scan speed, scan exposing said lenticular recording material in a fast scan direct at a fast scan speed with a series of scan lines, said fast scan direction being generally perpendicular to said slow scan direction; calculating an angle of deviation of the scan lines based on a relationship between the slow and fast scan speeds; correcting the fast scan direction by the angle of deviation such that each of said scan lines coincides with a direction of a generatrix of the lenticular recording material.

Claim 8

Dependent Claim 66 words

A method according to claim 1, wherein said linear images are represented on a display as they are sequenced in accordance with the conditions for recording the original images in such a way that a completed stereoscopic image will come out correctly when it is viewed from the lenticular sheet side and the displayed images are recorded on the rear side of said lenticular recording material.

Claim 9

Independent Claim 189 words

A method for recording stereoscopic images, by which a plurality of original images from different viewpoints are recorded on a lenticular recording material having a recording material provided on the rear side of a lenticular sheet, comprising the step of: obtaining image information on said plurality of original images and information on the principal objects of the original images, splitting each original image into linear images that correspond to respective lenticular lenses and the pitch of the lenticular lenses, determining the positions in which the linear images are to be recorded on said recording layer in such a way that a completed stereoscopic image will come out correctly when it is viewed from the lenticular sheet side and that those linear images which carry at least the central portions of the principal objects of the original images are recorded within the same pitch of lenticular lenses in the lenticular recording material, thereby outputting image information that is to be recorded on said lenticular recording material, and scan exposing said lenticular recording material with the light beam modulated in accordance with said output image information, thereby recording a stereoscopic image.

Claim 10

Independent Claim 189 words

A method for recording stereoscopic images, by which a plurality of original images from different viewpoints are recorded on a lenticular recording material having a recording material provided on the rear side of a lenticular sheet, comprising the step of: obtaining image information on said plurality of original images and information on the principal objects of the original images, splitting each original image into linear images that correspond to respective lenticular lenses and the pitch of the lenticular lenses, determining the positions in which the linear images are to be recorded on said recording layer in such a way that a completed stereoscopic image will come out correctly when it is viewed from the lenticular sheet side and that those linear images which carry at least the central portions of the principal objects of the original images are recorded within the same pitch of lenticular lenses in the lenticular recording material, thereby outputting image information that is to be recorded on said lenticular recording material, and scan exposing said lenticular recording material with the light beam modulated in accordance with said output image information, thereby recording a stereoscopic image.

Claim 11

Dependent Claim 35 words

The method for recording stereoscopic images according to claim 8, wherein said scan exposing step includes: preventing halation of said linear images by providing an anti-halation layer between said recording material and said lenticular sheet.

Claim 12

Dependent Claim 122 words

The method for recording stereoscopic images according to claim 8, wherein said scan exposing step includes scan exposing said lenticular recording material in a fast scan direction at a fast scan speed with a series of scan lines, said method further comprising the steps of: continuously transporting said lenticular recording material in a slow scan direction at a slow scan speed, said slow scan direction being generally perpendicular to said fast scan direction; calculating an angle of deviation of the scan lines based on a relationship between the slow and fast scan speeds; correcting the fast scan direction by the angle of deviation such that each of said scan lines coincides with a direction of a generatrix of the lenticular recording material.

Claim 13

Dependent Claim 37 words

The method for recording stereoscopic images according to claim 8, wherein the scan exposing step includes: adjusting a recording width of the linear images such that no gaps exist on the recording material between adjacent linear images.

Claim 14

Dependent Claim 29 words

The method for recording stereoscopic images according to claim 11, wherein the scan exposing step includes: using a cylindrical lens to increase the recording width of the linear images.

Claim 15

Dependent Claim 82 words

The method for recording stereoscopic images according to claim 8, wherein the scan exposing step includes: adjusting an angle of incidence of the light beam in accordance with a viewpoint of one of said original images; exposing said lenticular recording material from a front side with the light beam such that the linear images corresponding to one of the original images are sequentially recorded on said lenticular recording material; and repeating said adjusting and exposing steps for each of said original images.

Claim 16

Independent Claim 203 words

A method for recording stereoscopic images, by which linear images as produced from a plurality of original images from different viewpoints are recorded to produce a stereoscopic image on a lenticular recording material having a lenticular sheet and a recording layer, wherein a light beam modulated in accordance with the linear images to be recorded is deflected one-dimensionally in the fast scan direction which is generally parallel to the generatrix of said lenticular sheet while, at the same time, said lenticular recording material and the light beam deflected in said fast scan direction are moved relative to each other in the slow scan direction which is generally perpendicular to said fast scan direction, thereby scan exposing the recording layer of said lenticular recording material with said light beam, the spot diameter in the slow scan direction of the light beam incident on said recording layer and/or the number of times by which the linear images of the same original image are recorded within one pitch are adjusted in accordance with the pitch of lenticular lenses in said lenticular recording material so that the recording width of the linear images is increased in accordance with the pitch of lenticular lenses on said lenticular sheet.

Claim 17

Independent Claim 203 words

A method for recording stereoscopic images, by which linear images as produced from a plurality of original images from different viewpoints are recorded to produce a stereoscopic image on a lenticular recording material having a lenticular sheet and a recording layer, wherein a light beam modulated in accordance with the linear images to be recorded is deflected one-dimensionally in the fast scan direction which is generally parallel to the generatrix of said lenticular sheet while, at the same time, said lenticular recording material and the light beam deflected in said fast scan direction are moved relative to each other in the slow scan direction which is generally perpendicular to said fast scan direction, thereby scan exposing the recording layer of said lenticular recording material with said light beam, the spot diameter in the slow scan direction of the light beam incident on said recording layer and/or the number of times by which the linear images of the same original image are recorded within one pitch are adjusted in accordance with the pitch of lenticular lenses in said lenticular recording material so that the recording width of the linear images is increased in accordance with the pitch of lenticular lenses on said lenticular sheet.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1999-07-23	2000-01-22	2000-07-23	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2003-07-23	2004-01-22	2004-07-23	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2007-07-23	2008-01-22	2008-07-23	$7700.00	Window Closed / Lapsed

Method and apparatus for recording stereoscopic images and lenticular recording material used therefor

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