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. 03, 1992
Filed:
Apr. 18, 1991
Applicant:
Inventors:
Yoshitaka Takezawa, Hitachi, JP;
Shuichi Ohara, Hitachi, JP;
Seikich Tanno, Hitachi, JP;
Noriaki Taketani, Katsuta, JP;
Masato Shimura, Hitachi, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
385141 ; 385144 ;
Abstract
An optical transmitting system comprising a light source, an optical transmitting portion from the light source, and an optical detecting portion characterized in that a fraction of deuterium substitution for hydrogen in a repeat unit of an organic polymer composing the optical transmitting portion is at most 40%, fluorine content in said organic polymer is less than 40% by weight, and said organic polymer comprises an amorphous polymer which satisfies the equation (I):