The present invention relates to a semiconductor laser control method used preferably for a reading control system such as a bar code reading device and to a semiconductor laser control device employing the above method. The object of the invention is to provide a semiconductor laser control device...http://www.google.es/patents/US5778017?utm_source=gb-gplus-sharePatente US5778017 - Method and device for controlling a semiconductor laser
Method and device for controlling a semiconductor laser