Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1999-11-15
2000-10-17
Wu, Daniel J.
Communications: electrical
Condition responsive indicating system
Specific condition
340689, 212280, G08B 2100
Patent
active
061338419
ABSTRACT:
A Pole Alarm System including an electromagnetic field sensor and collision sensors for detecting overhead power lines and physical obstructions within the intended path of a telescoping mast or utility boom device is disclosed. The present alarm system includes a mast-mounted housing containing the sensors and a microprocessor-based control unit which interprets the output signals of the sensors and provides both audible and. control feedback to a safety control module in the vehicle to alert the operator of impending contact and to automatically stop the movement of the mast. The alarm housing also features a light source which provides illumination in the direction of movement of the mast to assist in positioning thereof. The light source also functions as a heating element to prevent the accumulation of ice on the housing which would detrimentally affect the performance of the system. The alarm housing also includes a plurality of Tilt sensors which monitor the orientation of the mast to prevent mast extension if the device deviates from an acceptable range of operation. A system integrated safety control module mounted in the vehicle provides self-test functions and an error code display to alert the operator to the cause of an alarm signal.
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The Will-Burt Company
Trieu Van T.
Wu Daniel J.
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