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:
Dec. 30, 1997
Filed:
Sep. 22, 1995
Applicant:
Inventor:
Bertrand Morbieu, Bordeaux, FR;
Assignee:
Sextant Avionique, , FR;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01P / ;
U.S. Cl.
CPC ...
356 285 ; 356 28 ;
Abstract
Transceiver head for a longitudinal Doppler speed indicator. Transceiver head for a longitudinal Doppler speed indicator with at least one pair of measuring axes. It comprises: a laser (1); polarization switching means (4) on the path of the laser beam; polarization separating means (5) on the path of the polarized beam that comes from the switching means; control means (5) for switching the switching means alternately from one state to another to direct the beam alternately to one measuring axis and then to another depending on its polarization state.