Drive circuit for reactive loads

Driver alarm

Driver's license alert system

Drivers alarm

Drowning alarm

Drug detection device

Dual / multi frequency anti-theft system and pos verifier

Dual alarm detection on single loop

Dual axis magnetic field device for changing status of eas...

Dual channel glass break detector

Dual channel wide-band frequency modulated keyable control...

Dual frequency anti-theft system

Dual mode panel

Dual projected-beam smoke detector

Dual spectrum frequency responding fire sensor

Dual status magnetic marker having magnetically biasable...

Dual status thin-film eas marker

Dual technology sensor device with range gated sensitivity

Dual velocity leaky cable intrusion detector sensor

Dual wavelength fire detection method and apparatus