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. 21, 2008
Filed:
Sep. 24, 2004
Takeshi Okada, Osaka, JP;
Hiromi Nakanishi, Yokohama, JP;
Yoshiki Kuhara, Osaka, JP;
Sumitomo Electric Industries, Ltd., Osaka, JP;
Abstract
An optical modulecomprises a first optical element F, a first light receiving subassembly PD, a second optical element F, a second light receiving subassembly PD, a light emitting subassembly LDfor generating light, and a light transmitting partoptically coupled to the first optical element. The light emitting subassembly LD, the first optical element F, the second optical element Fand the first light receiving subassembly PDare arranged along a predetermined plane S. The light emitting subassembly LD, the first optical element F, the second optical element F, and the second light receiving subassembly PDare arranged along another predetermined plane S. The predetermined plane Sintersects at a predetermined angle with the other predetermined plane S