patent · US6760517
Optical coupling device for two-way optical communications
6 July 2004
Indexed reference — no copy held
This patent is cited by material in the archive, so it is indexed here by number, title and inventor. The archive holds no copy of its text.
Abstract
In a triangular-sectioned prism 11 having a first plane 11 a opposite an end face of an optical fiber 12 , a second plane 11 b opposite a light receiving element 13 and a third plane 11 c which reflects received light 21 incident thereon from the optical fiber 12 toward the second plane 11 b and transmits transmission light 22 emitted from a light emitting element toward the first plane 11 a , a cylindrical member 32 of a refractive index large...
Provenance
- Collection
- Cited prior art
- Original PDF
- patentimages.storage.googleapis.com →
- Filed
- 2002-11-21
- Source
- Google Patents bibliographic record
- Granted
- 2004-07-06
- Inventors
- Keiji Mine; Hiroshi Nakagawa; Takeshi Isoda; Hosiden Corp