专利名称：Anti-flare structure for photographic optical systeminstructions
发明人：Bruce K. Johnson
申请号：US05/620924ta是什么意思
申请日：19751009
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高三英语零基础公开号：US04057815A
英语四级准考证号查询入口公开日：
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19771108
专利内容由知识产权出版社提供
摘要：The internal configuration of a rigid opaque exposure chamber structure for u in a reflex photographic optical system is disclod. The structure is a plastic, injection molded member of unitary construction. Its interior preferably includes an arrangement for receiving a single snap-in side wall having a specularly reflecting surface which, in combination with specularly reflecting side walls of the housing, either direct unwanted radiation from outside the field of view of the system away from its film plane or, alternatively, absorbs it by reducing its intensity through multiple reflections so that the quality of a final photograph will not be impaired. Selected side walls include rrated light traps to enhance the overall performance of the structure in this respect.
kim kardashian申请人：POLAROID CORPORATION亚里士多德错觉
代理人：Frank J. Caufieldexception是什么意思
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