PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE
A propagation optical system includes: a first optical system; an intermediate optical element; and a second optical system. The first optical system, the intermediate optical element, and the second optical system being sequentially arranged in a direction from the image display element toward the...
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| creator | HASEGAWA, Aino KAMEYAMA, Kenji MOMMA, Susumu TSUTSUI, Takemasa HIRANO, Shigenobu YAMADA, Masamichi OKAZAKI, Shun KATANO, Yasuo SUDOH, Yoshifumi NAKAMURA, Naoki IGARASHI, Norikazu MAKI, Takashi ITOH, Masahiro |
| description | A propagation optical system includes: a first optical system; an intermediate optical element; and a second optical system. The first optical system, the intermediate optical element, and the second optical system being sequentially arranged in a direction from the image display element toward the light guide member along an optical axis. The intermediate optical element has a non-rotationally symmetric curved surface, of which shape is non-rotationally symmetric about the optical axis. A cross-sectional shape, of the non-rotationally symmetric curved surface, in a first plane including the optical axis is non-arc shape. The first plane is a plane in which the non-rotationally symmetric surface has a strongest positive power among planes including the optical axis. The propagation optical system is configured to form, between the first optical system and the second optical system, an intermediate image corresponding to an image displayed on the image display element. |
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The first optical system, the intermediate optical element, and the second optical system being sequentially arranged in a direction from the image display element toward the light guide member along an optical axis. The intermediate optical element has a non-rotationally symmetric curved surface, of which shape is non-rotationally symmetric about the optical axis. A cross-sectional shape, of the non-rotationally symmetric curved surface, in a first plane including the optical axis is non-arc shape. The first plane is a plane in which the non-rotationally symmetric surface has a strongest positive power among planes including the optical axis. The propagation optical system is configured to form, between the first optical system and the second optical system, an intermediate image corresponding to an image displayed on the image display element.</description><language>eng</language><subject>BLASTING ; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF ; HEATING ; LIGHTING ; MECHANICAL ENGINEERING ; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS ; OPTICS ; PHYSICS ; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR ; WEAPONS</subject><creationdate>2022</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=20220127&DB=EPODOC&CC=US&NR=2022026716A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,778,883,25547,76298</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20220127&DB=EPODOC&CC=US&NR=2022026716A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HASEGAWA, Aino</creatorcontrib><creatorcontrib>KAMEYAMA, Kenji</creatorcontrib><creatorcontrib>MOMMA, Susumu</creatorcontrib><creatorcontrib>TSUTSUI, Takemasa</creatorcontrib><creatorcontrib>HIRANO, Shigenobu</creatorcontrib><creatorcontrib>YAMADA, Masamichi</creatorcontrib><creatorcontrib>OKAZAKI, Shun</creatorcontrib><creatorcontrib>KATANO, Yasuo</creatorcontrib><creatorcontrib>SUDOH, Yoshifumi</creatorcontrib><creatorcontrib>NAKAMURA, Naoki</creatorcontrib><creatorcontrib>IGARASHI, Norikazu</creatorcontrib><creatorcontrib>MAKI, Takashi</creatorcontrib><creatorcontrib>ITOH, Masahiro</creatorcontrib><title>PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE</title><description>A propagation optical system includes: a first optical system; an intermediate optical element; and a second optical system. The first optical system, the intermediate optical element, and the second optical system being sequentially arranged in a direction from the image display element toward the light guide member along an optical axis. The intermediate optical element has a non-rotationally symmetric curved surface, of which shape is non-rotationally symmetric about the optical axis. A cross-sectional shape, of the non-rotationally symmetric curved surface, in a first plane including the optical axis is non-arc shape. The first plane is a plane in which the non-rotationally symmetric surface has a strongest positive power among planes including the optical axis. The propagation optical system is configured to form, between the first optical system and the second optical system, an intermediate image corresponding to an image displayed on the image display element.</description><subject>BLASTING</subject><subject>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</subject><subject>HEATING</subject><subject>LIGHTING</subject><subject>MECHANICAL ENGINEERING</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</subject><subject>WEAPONS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2022</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZLAOCPIPcHR3DPH091PwDwjxdHb0UQiODA5x9VVw9HNRCPMMCgkFCnn6Orq7Krh4Bgf4OEYquLiGeTq78jCwpiXmFKfyQmluBmU31xBnD93Ugvz41OKCxOTUvNSS-NBgIwMjIDIzNzRzNDQmThUAkhYqRg</recordid><startdate>20220127</startdate><enddate>20220127</enddate><creator>HASEGAWA, Aino</creator><creator>KAMEYAMA, Kenji</creator><creator>MOMMA, Susumu</creator><creator>TSUTSUI, Takemasa</creator><creator>HIRANO, Shigenobu</creator><creator>YAMADA, Masamichi</creator><creator>OKAZAKI, Shun</creator><creator>KATANO, Yasuo</creator><creator>SUDOH, Yoshifumi</creator><creator>NAKAMURA, Naoki</creator><creator>IGARASHI, Norikazu</creator><creator>MAKI, Takashi</creator><creator>ITOH, Masahiro</creator><scope>EVB</scope></search><sort><creationdate>20220127</creationdate><title>PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE</title><author>HASEGAWA, Aino ; KAMEYAMA, Kenji ; MOMMA, Susumu ; TSUTSUI, Takemasa ; HIRANO, Shigenobu ; YAMADA, Masamichi ; OKAZAKI, Shun ; KATANO, Yasuo ; SUDOH, Yoshifumi ; NAKAMURA, Naoki ; IGARASHI, Norikazu ; MAKI, Takashi ; ITOH, Masahiro</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2022026716A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2022</creationdate><topic>BLASTING</topic><topic>FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF</topic><topic>HEATING</topic><topic>LIGHTING</topic><topic>MECHANICAL ENGINEERING</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR</topic><topic>WEAPONS</topic><toplevel>online_resources</toplevel><creatorcontrib>HASEGAWA, Aino</creatorcontrib><creatorcontrib>KAMEYAMA, Kenji</creatorcontrib><creatorcontrib>MOMMA, Susumu</creatorcontrib><creatorcontrib>TSUTSUI, Takemasa</creatorcontrib><creatorcontrib>HIRANO, Shigenobu</creatorcontrib><creatorcontrib>YAMADA, Masamichi</creatorcontrib><creatorcontrib>OKAZAKI, Shun</creatorcontrib><creatorcontrib>KATANO, Yasuo</creatorcontrib><creatorcontrib>SUDOH, Yoshifumi</creatorcontrib><creatorcontrib>NAKAMURA, Naoki</creatorcontrib><creatorcontrib>IGARASHI, Norikazu</creatorcontrib><creatorcontrib>MAKI, Takashi</creatorcontrib><creatorcontrib>ITOH, Masahiro</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>HASEGAWA, Aino</au><au>KAMEYAMA, Kenji</au><au>MOMMA, Susumu</au><au>TSUTSUI, Takemasa</au><au>HIRANO, Shigenobu</au><au>YAMADA, Masamichi</au><au>OKAZAKI, Shun</au><au>KATANO, Yasuo</au><au>SUDOH, Yoshifumi</au><au>NAKAMURA, Naoki</au><au>IGARASHI, Norikazu</au><au>MAKI, Takashi</au><au>ITOH, Masahiro</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE</title><date>2022-01-27</date><risdate>2022</risdate><abstract>A propagation optical system includes: a first optical system; an intermediate optical element; and a second optical system. The first optical system, the intermediate optical element, and the second optical system being sequentially arranged in a direction from the image display element toward the light guide member along an optical axis. The intermediate optical element has a non-rotationally symmetric curved surface, of which shape is non-rotationally symmetric about the optical axis. A cross-sectional shape, of the non-rotationally symmetric curved surface, in a first plane including the optical axis is non-arc shape. The first plane is a plane in which the non-rotationally symmetric surface has a strongest positive power among planes including the optical axis. The propagation optical system is configured to form, between the first optical system and the second optical system, an intermediate image corresponding to an image displayed on the image display element.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | BLASTING FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF HEATING LIGHTING MECHANICAL ENGINEERING OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR WEAPONS |
| title | PROPAGATION OPTICAL SYSTEM AND VIRTUAL IMAGE DISPLAY DEVICE |
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