4. Communications: electrical
  5. Condition responsive indicating system
  6. Specific condition

James Cheal

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Coupling unit for coaxial cable including means for radiating wa

Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent

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Intrusion detection radar system with amplitude and frequency ca

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

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Intrusion detector system

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Profile ID: LFUS-PAI-P-792837

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