Active element for magnetomechanical eas marker...

Active ir intrusion detector

Active monitoring system for use with a garage door opener

Activity monitoring

Actuating and monitoring device for vehicle safety system

Adaptive console for augmenting wireless capability in...

Adaptor apparatus and method for interchanging smoke alarms

Addressable communications system for an ambient-hazard...

Adhesion of hydrophilic layers on polyester films

Adjustable electric bell

Adjustable photoelectric detector head for solid state limit...

Adjustable shield for vehicle mounted toll collection...

Adjustable strobe with temperature stabilization

Advanced automotive automation and security system

Advanced emergency geographical information system

Advanced method of indicating incoming threat level

Adverse condition detection and notification apparatus

Adverse condition detector having modulated test signal

Advertising trays for security screening

Aerodynamic surface load sensing