The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 2003
Filed:
Feb. 16, 2001
Fumio Akikuni, Kanagawa, JP;
Ando Electric Co., Ltd., Kawasaki, JP;
Abstract
The optical interferometer in which the incident light beam is branched into 2 optical paths of the reflection light and the transmission light which cross at right angle with each other by the beam splitter , and on each optical path, the reflection light is totally reflected by the first reflection unit , and the transmission light is totally reflected by the second reflection unit , and the reflection lights by both reflection units and are wave-combined again by the beam splitter , and received by the light receiver . The beam splitter by which the incident light beam is wave-separated and wave-combined, is arranged with a little inclination from the vertical to the incident light beam.