Access control system with mechanical keys which store data
Access control system with mechanical keys which store data
Access control using serial discretely coded RF transmissions in
Access device for an ISDN connecting device of a public terminal
Access systems and methods of identifying an authentic key
Access-control apparatus
Accessory-expandable, radio-controlled, door operator with multi
Acknowledge back pager with apparatus for controlling transmit f
Acknowledge back paging system having the capability of matching
Acknowledge-back pager
Acoustical system and method for simultaneously locating and...
Activated work and method of forming same
Active matrix display device of the nonlinear two-terminal type
Active, bi-directional bus tap
Adaptable electric monitoring and identification system
Adaptable electronic monitoring and identification system
Adaptable key holder for a remote control transmitter
Adaptable remote control for electrical appliances having...
Adapter for a meter
Adapter pod for use in medical perfusion system