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:
Mar. 05, 1991
Filed:
Oct. 11, 1989
Applicant:
Inventors:
Mitsuru Sugawara, Kanagawa, JP;
Akitoshi Yoshinaga, Kanagawa, JP;
Masahiro Sakakibara, Kanagawa, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; H04J / ;
U.S. Cl.
CPC ...
350 9620 ; 350 9618 ; 350311 ; 350318 ; 370-3 ;
Abstract
A device for receiving optical signals in which optical signals from an optical fiber are focused by a lens. A holder holds the fiber and the lens and is fixed to a case. The light receiving element is included in the case and can receive the optical signals from the lens through a hole in the case. A seal covers the hole and is able to pass the optical signals from the lens to the light receiving element.
Quick Actions:
Sugawara, Mitsuru. (1991). Optical fiber communication connection device (U.S. Patent No. 4997252). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4997252
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