公开(公告)号：US08630324B2

公开(公告)日：2014-01-14

申请号：US13173329

申请日：2011-06-30

Applicant: Daijiroh Sumino ,  Hiroaki Kyogoku

Inventor： Daijiroh Sumino ,  Hiroaki Kyogoku

IPC: H01S3/10 ,  B41J2/435

CPC classification number: G03G15/04072 ,  H01S5/06808

Abstract: A semiconductor laser drive device includes a semiconductor-laser drive element to generate a drive current according to an input control signal to supply the drive current to a semiconductor laser, a control circuit to control the drive current by controlling the semiconductor-laser drive element, and a drive current detection circuit to detect a current value of the drive current supplied to the semiconductor laser and generate a digital control signal representing the detected digital value of the drive current to output.

Abstract translation: 半导体激光器驱动装置包括：半导体激光器驱动元件，用于根据输入控制信号产生驱动电流，以向半导体激光器提供驱动电流;控制电路，通过控制半导体激光器驱动元件来控制驱动电流; 以及驱动电流检测电路，用于检测提供给半导体激光器的驱动电流的电流值，并产生表示检测到的驱动电流的数字值输出的数字控制信号。

公开(公告)号：US20120027037A1

公开(公告)日：2012-02-02

申请号：US13173329

申请日：2011-06-30

Applicant: Daijiroh SUMINO ,  Hiroaki KYOGOKU

Inventor： Daijiroh SUMINO ,  Hiroaki KYOGOKU

IPC: H01S3/10

CPC classification number: G03G15/04072 ,  H01S5/06808

Abstract: A semiconductor laser drive device includes a semiconductor-laser drive element to generate a drive current according to an input control signal to supply the drive current to a semiconductor laser, a control circuit to control the drive current by controlling the semiconductor-laser drive element, and a drive current detection circuit to detect a current value of the drive current supplied to the semiconductor laser and generate a digital control signal representing the detected digital value of the drive current to output.

Abstract translation: 半导体激光器驱动装置包括：半导体激光器驱动元件，用于根据输入控制信号产生驱动电流，以向半导体激光器提供驱动电流;控制电路，通过控制半导体激光器驱动元件来控制驱动电流; 以及驱动电流检测电路，用于检测提供给半导体激光器的驱动电流的电流值，并产生表示检测到的驱动电流的数字值输出的数字控制信号。