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. 19, 1982
Filed:
Mar. 20, 1980
Applicant:
Inventor:
Gerhard Schiffner, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01P / ; G01B / ;
U.S. Cl.
CPC ...
356350 ; 350 9615 ;
Abstract
A ring interferometer which has at least one single mode light waveguide wound in a coil characterized by the light waveguide maintaining one polarization state. If the interferometer includes directional couplers or additional light waveguides, each of these are constructed of waveguides which conduct only one polarization state.