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:
Aug. 02, 2005
Filed:
Sep. 09, 2002
Applicants:
Katsuya Ohno, Fujisawa, JP;
Tsutomu Kuroiwa, Ebina, JP;
Osamu Yamada, Hiratsuka, JP;
Toshikazu Ohtake, Yokohama, JP;
Shigeru Tokita, Yokohama, JP;
Inventors:
Katsuya Ohno, Fujisawa, JP;
Tsutomu Kuroiwa, Ebina, JP;
Osamu Yamada, Hiratsuka, JP;
Toshikazu Ohtake, Yokohama, JP;
Shigeru Tokita, Yokohama, JP;
Assignee:
OpNext Japan, Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B006/36 ;
U.S. Cl.
CPC ...
Abstract
An optical transmission module includes a housing with a heat radiating fin and a receptacle for being connected to an external optical fiber. The module also includes a coaxial can stem for mounting an optical element and a ceramic printed circuit board. The signal transmission lines are provided on one side of the board, and heat from the coaxial can package is radiated from the radiating fin.