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Irie; Takeshi
Yokohama, JP
No. of patents:

Patent Number Title Of Patent Date Issued
7916765 Control circuit for a laser diode and a method to control a laser diode March 29, 2011
A control circuit for a laser diode is disclosed, in which the driving current may be suppressed even when the monitor PD breaks down to make the APC feedback control inoperable. The control circuit comprises an LD driver to supply the driving current to the LD, a monitor PD to detect a
7672596 Optical receiver circuit applicable to multiple transmission rates March 2, 2010
An optical receiver circuit is provided which is able to receive optical signals having a variable transmission rate, without loss of data. The optical receiver circuit according to the present invention has a light-receiving section for converting an optical signal with a variable t
7071455 Optical receiver July 4, 2006
The present invention provides an optical receiver in which a signal detection level is independent on whether a ammeter is connected to a current monitor terminal or not. The optical receiver comprises a photo diode, a first current mirror circuit connected to the photo diode and a
6824315 Optical module November 30, 2004
The present invention provides an optical module capable of reducing the amount of electrostatic charges on a shielding member. The optical module comprises an assembly portion and a shielding member. The assembly portion includes a light receiving device, an electronic element, a circui
6354747 Optical module March 12, 2002
The present invention relates to an optical module or the like having a structure which prevents the efficiency in a sleeve securing operation or optical characteristics from deteriorating and improves adhesion durability. In particular, a resin mold portion including an optical devi
6234686 Optical data link May 22, 2001
The present invention relates to an optical data link having a structure which is quite easy to manufacture at a low cost and realizes high optical accuracy, high mechanical accuracy, and high reliability. This optical data link comprises a light-receiving module for outputting an optica

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