Optical display of vehicle speed

Details Optical display of vehicle speed Optical display of vehicle speed

1991-04-15

1994-06-14

Brier, Jeffery

Computer graphics processing and selective visual display system

Image superposition by optical means

340441, 340980, G09G 300, B60Q 100

Patent

active

053214153

ABSTRACT:
An optical display of vehicle speed wherein a series of diodes is mounted in an optical speed display assembly to project a series of lights onto a windshield such that the reflections can be seen without changing the focus of the operator as the operator is operating the vehicle. By means of such reflections an operator can determine the speed of the vehicle while maintaining the focus of his eyes on the roadway.

REFERENCES:
patent: 3125985 (1964-03-01), Nallinger
patent: 3317906 (1967-05-01), Baldridge
patent: 3694084 (1972-09-01), Citron
patent: 3899241 (1975-08-01), Malobicky, Jr. et al.
patent: 4251769 (1981-02-01), Ewert et al.
patent: 4646059 (1987-02-01), Iwamoto et al.
patent: 4688029 (1987-08-01), Kawasaki et al.

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