D. c. vibrating horn

Danger warning system and method for determining...

Data acquisition system

Data processing protocol system

Data processing system

Data processing system interrupt arrangements

Data reporting system

Data signalling systems

Deactivatable coded marker and magnetic article surveillance...

Deactivatable electronic article surveillance markers using...

Deactivatable electronic article surveillance tags, tag webs...

Deactivatable frequency-dividing-transponder tag

Deactivatable magnetic marker, method of making same and...

Deactivatable radio frequency security label

Deactivatable transponder

Deactivatable/reactivatable magnetic marker having a step...

Deactivateable resonant circuit

Deactivating device for deactivating eas dual status...

Deactivating device for magnetic markers in an electronic...

Deactivation element configuration for microwave-magnetic...