LandOfFree - US Patents - Listing for Communications: directive radio wave systems and devices (e.g., ,Presence detection only

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Radio detection and ranging intrusion detection system

Communications: directive radio wave systems and devices (e.g. – Presence detection only

Range gated strip proximity sensor

Communications: directive radio wave systems and devices (e.g. – Presence detection only

Range-gated field disturbance sensor with range-sensitivity comp

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Range-gated radar motion detector

Communications: directive radio wave systems and devices (e.g. – Presence detection only

Remote ionizing radiation detector

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Self-modulating remote moving target detector

Communications: directive radio wave systems and devices (e.g. – Presence detection only

Sensor arrangement for sensing a threat

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Shipping container security system

Communications: directive radio wave systems and devices (e.g. – Presence detection only

Signal processing for object detection system

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

SSB pulse Doppler sensor and active reflector system

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Stripline doppler radar

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

Surveillance and warning system

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for detecting an intruder using impulse...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for detecting an intruder using impulse...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for detecting an intruder using impulse...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for detecting an intruder using impulse...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for intrusion detection using a time...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for intrusion detection using a time...

Communications: directive radio wave systems and devices (e.g. – Presence detection only – By motion detection

System and method for intrusion detection using a time...