Communications: electrical – External condition vehicle-mounted indicator or alarm
Patent
1999-06-29
2000-12-05
Hofsass, Jeffrey A.
Communications: electrical
External condition vehicle-mounted indicator or alarm
340905, 340933, 180167, 180168, 180169, G08G 100
Patent
active
061573205
ABSTRACT:
Adding a quantity of metallic shot or particles of other materials having a high dielectric constant to the thermoplastic paint in the mixing pot of ordinary roadway marker fixation equipment, which extrudes the paint and applies same to the roadway surface, enhances the MMW radiometric visibility of the marker without adverse effect to the affixation equipment. Vehicles containing MMW radiometers directed down toward the roadway surface moves along the roadway surface is able to automatically sense microwave/millimeter wave energy from a marker in the vehicles path. In one system, the sensed energy is used in conjunction with other apparatus to assist to guide the vehicle within a traffic lane. In another system, the sensed energy is decoded and displayed as pertinent information for the vehicle's driver.
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Eninger James E.
Hauss Bruce I.
Quon Bill H.
Yujiri M. Larry
Goldman Ronald M.
Hofsass Jeffrey A.
Nguyen Tai T.
TRW Inc.
Yatsko Michael S.
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