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:
May. 11, 2004
Filed:
Dec. 20, 2000
Akio Goto, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
An optical waveguide module in which transmitted signal light emitted from a laser light-emitting element passes through a first optical waveguide and a second optical waveguide to strike a transmitting/receiving medium such as an optical fiber, and a signal light from the transmitting/receiving medium passes through the second optical waveguide and is received by a light-receiving element , the optical waveguide module comprising, a first light-blocking resin covering part , which covers a light-emitting coupling part coupling the laser light-emitting element and the first optical waveguide , and a second light-block resin covering part , which covers a light-receiving coupling part coupling the light-receiving element and the second optical waveguide