ELECTRONIC IMAGE PICKUP SYSTEM
The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic im...
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| creator | WATANABE Masahito KONISHI Hirokazu IMAMURA Ayami ISHII Atsujiro HANZAWA Toyoharu MIHARA Shinichi TAKEYAMA Tetsuhide |
| description | The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system. |
| format | Patent |
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The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. 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The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.</description><subject>ELECTRIC COMMUNICATION TECHNIQUE</subject><subject>ELECTRICITY</subject><subject>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</subject><subject>OPTICS</subject><subject>PHYSICS</subject><subject>PICTORIAL COMMUNICATION, e.g. TELEVISION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2017</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJBz9XF1Dgny9_N0VvD0dXR3VQjwdPYODVAIjgwOcfXlYWBNS8wpTuWF0twMym6uIc4euqkF-fGpxQWJyal5qSXxocFGBobmRmZAbO5oaEycKgA9fSJb</recordid><startdate>20170914</startdate><enddate>20170914</enddate><creator>WATANABE Masahito</creator><creator>KONISHI Hirokazu</creator><creator>IMAMURA Ayami</creator><creator>ISHII Atsujiro</creator><creator>HANZAWA Toyoharu</creator><creator>MIHARA Shinichi</creator><creator>TAKEYAMA Tetsuhide</creator><scope>EVB</scope></search><sort><creationdate>20170914</creationdate><title>ELECTRONIC IMAGE PICKUP SYSTEM</title><author>WATANABE Masahito ; KONISHI Hirokazu ; IMAMURA Ayami ; ISHII Atsujiro ; HANZAWA Toyoharu ; MIHARA Shinichi ; TAKEYAMA Tetsuhide</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2017261727A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2017</creationdate><topic>ELECTRIC COMMUNICATION TECHNIQUE</topic><topic>ELECTRICITY</topic><topic>OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS</topic><topic>OPTICS</topic><topic>PHYSICS</topic><topic>PICTORIAL COMMUNICATION, e.g. TELEVISION</topic><toplevel>online_resources</toplevel><creatorcontrib>WATANABE Masahito</creatorcontrib><creatorcontrib>KONISHI Hirokazu</creatorcontrib><creatorcontrib>IMAMURA Ayami</creatorcontrib><creatorcontrib>ISHII Atsujiro</creatorcontrib><creatorcontrib>HANZAWA Toyoharu</creatorcontrib><creatorcontrib>MIHARA Shinichi</creatorcontrib><creatorcontrib>TAKEYAMA Tetsuhide</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>WATANABE Masahito</au><au>KONISHI Hirokazu</au><au>IMAMURA Ayami</au><au>ISHII Atsujiro</au><au>HANZAWA Toyoharu</au><au>MIHARA Shinichi</au><au>TAKEYAMA Tetsuhide</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRONIC IMAGE PICKUP SYSTEM</title><date>2017-09-14</date><risdate>2017</risdate><abstract>The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION |
| title | ELECTRONIC IMAGE PICKUP SYSTEM |
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