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:
Mar. 22, 1988
Filed:
Jan. 16, 1987
Applicant:
Inventors:
Christian Sabatier, Nice, FR;
Alain Carenco, Bourg La Reine, FR;
Assignee:
Centre National d'Etudes des Telecommunications, Issy Les Moulineaux, FR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350 9614 ; 350 9613 ;
Abstract
Electrooptical directional coupler with traveling wave and alternating phase shift. This coupler comprises a central electrode in the form of microstrip (MB) of width W and two lateral electrodes (BL1, BL2) very wide in comparison with W. The propagation line then is asymmetrical.