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:
Nov. 13, 2007
Filed:
Sep. 06, 2006
Yoshiaki Ishigami, Hitachi, JP;
Ryuta Takahashi, Hitachi, JP;
Yoshiaki Ishigami, Hitachi, JP;
Ryuta Takahashi, Hitachi, JP;
Hitachi Cable, Ltd., Tokyo, JP;
Abstract
An optical module has a convex lens interposed between a mirror and a light-emitting element array, and whose effective diameter is larger than the distance between the respective optical axes of mutually most-distant two light-emitting elements of the light-emitting element array. The convex lens causes incident optical signals from light-emitting elements of the light-emitting element array to respectively form parallel light, and causes their respective optical axes to cross each other on or adjacent to the surface of the mirror, to emit plural optical signals reflected off the mirror, and make the respective optical axes of the emitted optical signals parallel to each other to collect the parallel optical signals into monitoring light-receiving elements respectively.