OPTICAL IMAGE OUTPUT DEVICE
PURPOSE:To provide the optical image output device which can have very many memory images, has a little deterioration in the quality of a reproduced signal, and enables high-speed pattern matching with a desired image. CONSTITUTION:This optical image output device consists of a luminous flux splitti...
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| creator | TAKEI TOSHIJI TAKEMURA YASUHIRO TOMITA NOBURO |
| description | PURPOSE:To provide the optical image output device which can have very many memory images, has a little deterioration in the quality of a reproduced signal, and enables high-speed pattern matching with a desired image. CONSTITUTION:This optical image output device consists of a luminous flux splitting and converging means 2 which splits luminous flux emitted by a light source into two pieces, slants the optical axes of the pieces of luminous flux at a desired angle, and crosses the optical axes of the two pieces of luminous flux again, a 1st linear scan type beam deflecting means 3 which has its center of rotation at the convergence point, a means 10 which reads a desired image out by a pupil transmission system 4 a 2nd linear scan type beam deflecting means 5 deflecting the pieces of luminous flux at right angles to the deflecting direction of the 1st linear scan type beam deflecting means, writes the Fourier transformation pattern of the desired image as a Fourier transformation hologram on a rewritable spatial optical modulator 9 while holding a reference wave and the Fourier transformation pattern of the desired image at a constant angle at all times, and reads the pattern out of the spatial optical modulator, and an image input means 12 which is arranged in the focal plane of a Fourier transforming lens 11 for the Fourier transformation of the read luminous flux. |
| format | Patent |
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CONSTITUTION:This optical image output device consists of a luminous flux splitting and converging means 2 which splits luminous flux emitted by a light source into two pieces, slants the optical axes of the pieces of luminous flux at a desired angle, and crosses the optical axes of the two pieces of luminous flux again, a 1st linear scan type beam deflecting means 3 which has its center of rotation at the convergence point, a means 10 which reads a desired image out by a pupil transmission system 4 a 2nd linear scan type beam deflecting means 5 deflecting the pieces of luminous flux at right angles to the deflecting direction of the 1st linear scan type beam deflecting means, writes the Fourier transformation pattern of the desired image as a Fourier transformation hologram on a rewritable spatial optical modulator 9 while holding a reference wave and the Fourier transformation pattern of the desired image at a constant angle at all times, and reads the pattern out of the spatial optical modulator, and an image input means 12 which is arranged in the focal plane of a Fourier transforming lens 11 for the Fourier transformation of the read luminous flux.</description><edition>5</edition><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING ; FREQUENCY-CHANGING ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; NON-LINEAR OPTICS ; OPTICAL ANALOGUE/DIGITAL CONVERTERS ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICAL LOGIC ELEMENTS ; OPTICS ; PHYSICS ; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><creationdate>1994</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940520&DB=EPODOC&CC=JP&NR=H06138414A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19940520&DB=EPODOC&CC=JP&NR=H06138414A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TAKEI TOSHIJI</creatorcontrib><creatorcontrib>TAKEMURA YASUHIRO</creatorcontrib><creatorcontrib>TOMITA NOBURO</creatorcontrib><title>OPTICAL IMAGE OUTPUT DEVICE</title><description>PURPOSE:To provide the optical image output device which can have very many memory images, has a little deterioration in the quality of a reproduced signal, and enables high-speed pattern matching with a desired image. CONSTITUTION:This optical image output device consists of a luminous flux splitting and converging means 2 which splits luminous flux emitted by a light source into two pieces, slants the optical axes of the pieces of luminous flux at a desired angle, and crosses the optical axes of the two pieces of luminous flux again, a 1st linear scan type beam deflecting means 3 which has its center of rotation at the convergence point, a means 10 which reads a desired image out by a pupil transmission system 4 a 2nd linear scan type beam deflecting means 5 deflecting the pieces of luminous flux at right angles to the deflecting direction of the 1st linear scan type beam deflecting means, writes the Fourier transformation pattern of the desired image as a Fourier transformation hologram on a rewritable spatial optical modulator 9 while holding a reference wave and the Fourier transformation pattern of the desired image at a constant angle at all times, and reads the pattern out of the spatial optical modulator, and an image input means 12 which is arranged in the focal plane of a Fourier transforming lens 11 for the Fourier transformation of the read luminous flux.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</subject><subject>FREQUENCY-CHANGING</subject><subject>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</subject><subject>NON-LINEAR OPTICS</subject><subject>OPTICAL ANALOGUE/DIGITAL CONVERTERS</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICAL LOGIC ELEMENTS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1994</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJD2DwjxdHb0UfD0dXR3VfAPDQkIDVFwcQ3zdHblYWBNS8wpTuWF0twMim6uIc4euqkF-fGpxQWJyal5qSXxXgEeBmaGxhYmhiaOxsSoAQBRiyCq</recordid><startdate>19940520</startdate><enddate>19940520</enddate><creator>TAKEI TOSHIJI</creator><creator>TAKEMURA YASUHIRO</creator><creator>TOMITA NOBURO</creator><scope>EVB</scope></search><sort><creationdate>19940520</creationdate><title>OPTICAL IMAGE OUTPUT DEVICE</title><author>TAKEI TOSHIJI ; TAKEMURA YASUHIRO ; TOMITA NOBURO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPH06138414A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1994</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING</topic><topic>FREQUENCY-CHANGING</topic><topic>IMAGE DATA PROCESSING OR GENERATION, IN GENERAL</topic><topic>NON-LINEAR OPTICS</topic><topic>OPTICAL ANALOGUE/DIGITAL CONVERTERS</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICAL LOGIC ELEMENTS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF</topic><toplevel>online_resources</toplevel><creatorcontrib>TAKEI TOSHIJI</creatorcontrib><creatorcontrib>TAKEMURA YASUHIRO</creatorcontrib><creatorcontrib>TOMITA NOBURO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>TAKEI TOSHIJI</au><au>TAKEMURA YASUHIRO</au><au>TOMITA NOBURO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>OPTICAL IMAGE OUTPUT DEVICE</title><date>1994-05-20</date><risdate>1994</risdate><abstract>PURPOSE:To provide the optical image output device which can have very many memory images, has a little deterioration in the quality of a reproduced signal, and enables high-speed pattern matching with a desired image. CONSTITUTION:This optical image output device consists of a luminous flux splitting and converging means 2 which splits luminous flux emitted by a light source into two pieces, slants the optical axes of the pieces of luminous flux at a desired angle, and crosses the optical axes of the two pieces of luminous flux again, a 1st linear scan type beam deflecting means 3 which has its center of rotation at the convergence point, a means 10 which reads a desired image out by a pupil transmission system 4 a 2nd linear scan type beam deflecting means 5 deflecting the pieces of luminous flux at right angles to the deflecting direction of the 1st linear scan type beam deflecting means, writes the Fourier transformation pattern of the desired image as a Fourier transformation hologram on a rewritable spatial optical modulator 9 while holding a reference wave and the Fourier transformation pattern of the desired image at a constant angle at all times, and reads the pattern out of the spatial optical modulator, and an image input means 12 which is arranged in the focal plane of a Fourier transforming lens 11 for the Fourier transformation of the read luminous flux.</abstract><edition>5</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING IMAGE DATA PROCESSING OR GENERATION, IN GENERAL NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF |
| title | OPTICAL IMAGE OUTPUT DEVICE |
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