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. 20, 1998
Filed:
Nov. 01, 1996
Hidenori Kawanishi, Nara, JP;
Atsushi Shimonaka, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
An optical circuit element has a beam splitter which is formed with a plurality of grooves in optical waveguides, or formed in such a manner that the central axes of the waveguides to be coupled are set off from one another or the shape of the waveguides is modified. Further, an integrated type optical circuit device include: an optical circuit element having a plurality of optical waveguides on the input side and having a beam splitter which is formed with a plurality of grooves in the optical waveguides to split the light guided through the optical waveguides: and plural kinds of input light generating sources each arranged corresponding to one of the optical waveguides on the input side.