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:
Jan. 30, 2007
Filed:
Aug. 09, 2002
Applicants:
Shuichi Hasegawa, Yokohama, JP;
Atsushi Miura, Yokohama, JP;
Toshiaki Ozaki, Yokohama, JP;
Hironari Matsuda, Yokohama, JP;
Hiroki Irie, Fujisawa, JP;
Inventors:
Shuichi Hasegawa, Yokohama, JP;
Atsushi Miura, Yokohama, JP;
Toshiaki Ozaki, Yokohama, JP;
Hironari Matsuda, Yokohama, JP;
Hiroki Irie, Fujisawa, JP;
Assignee:
OpNext Japan, Inc., Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04B 10/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
On a chip carrier, on a printed circuit board or in a pre-amplifier circuit, a resistor or an impedance is connected to either or both of the anode side and the cathode side of a photo detector. A bypass capacitor of bias power supply for photo detector is grounded either directly or via a resistor or an impedance.