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1.发明授权Apparatus for periodical parallel displacement of at least one parallel beam 失效用于最少一个并行光束的周期性平行偏移的装置
公开(公告)号：US3843226A
公开(公告)日：1974-10-22
申请号：US33999473
申请日：1973-03-12
Applicant: LKB PRODUKTER AB
Inventor： PERSON T
Abstract: System for periodicially shifting a light beam between two axially displaced paths consists of a rotary assembly subdivided into at least three angularly displaced segments, one of the segments allowing the beam to pass through the assembly along one path, the other two segments comprising axially aligned radially spaced oppositely directed conically shaped reflectors arranged to axially displace the beam when it impinges on one of them.
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