Patent ID: 6218955
Filing Date: 2001-04-17
Classification: G07C

Abstract:
A door security system comprising:a door frame;a door pivotally mounted to said door frame, said door having a closed position;control console means for generating data and transmitting and receiving said data in an electrical data form;first optical communication means mounted to said door frame and electrically connected to said control console means, said first optical communication means for receiving a transmission of data in an optical data form and transforming said received optical data to said electrical data form and transmitting said data in said electrical data form to said control console means, and for receiving a transmission of data in said electrical data form from said control console means and transforming said received electrical data to said optical data form and transmitting said data in said optical data form;second optical communication means mounted to said door in line of sight of said first optical communication means, said second optical communication means for receiving said data in said optical data form transmitted by said first optical communication means and transforming said received optical data form to said electrical data form and transmitting said data in said electrical data form, and for receiving a transmission of said data in said electrical data form and transforming said received electrical data form to said optical data form and transmitting said data in said optical data form to said first optical communication means; andlock means for securing said door to said door frame, said lock means comprising:a self contained power supply,access code reader means for receiving access codes and transmitting said access codes,onboard memory means for storing said data,lock controller means for automatically controlling said lock means, wherein said lock controller means generates said data in said electrical data form transmitted to said second optical communication means and receives said data in said electrical data form transmitted by said second optical communication means and from said reader means.