Electricity-saving type infrared electronic lock core An electricity-saving type infrared electronic lock core is disclosed herein, which includes a body, an infrared sensor, a radio frequency identification system and a power supplier. Posted: Wed, 6 Aug 2008 13:13:02 |
Settlement terminal and ic card A settlement terminal including a password input unit for inputting the password of a user and a biometrics information acquisition unit for acquiring the biometrics information of the user based on a Posted: Wed, 6 Aug 2008 13:13:02 |
Digital intercom based data management system A digital intercom based data management system and methods are provided. Posted: Wed, 6 Aug 2008 13:13:02 |