Head-up display with magnetic field speed detecting means

Details Head-up display with magnetic field speed detecting means Head-up display with magnetic field speed detecting means

1989-09-06

1991-01-29

Henry, Jon W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

350174, 340705, 324174, G02B 2710

Patent

active

049889761

ABSTRACT:
A head-up display (HUD) for automobile or motorcycle use. By using a vacuum fluorscent display and through the double refraction effected by a special lens, the desired instant information values such the speed, time, etc. are enlarged and projected and then accurately displayed on the windshield of an automobile or on the safety helmet worn by a motorcycle rider for fast direct readout. The present invention further comprises an electromagnetic inducer disposed on the tire which correctly calculates the speed of the vehicle regardless of the tire size.

REFERENCES:
patent: 4831366 (1989-05-01), Iino
patent: 4897715 (1990-01-01), Beamon, III
patent: 4902116 (1990-02-01), Ellis
patent: 4925272 (1990-05-01), Ohshima et al.

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