Electronic automotive compass and display

Details Electronic automotive compass and display Electronic automotive compass and display

1986-03-26

1987-09-22

Martin, Jr., William D.

Geometrical instruments

Indicator of direction of force traversing natural media

Magnetic field responsive

33348, G01C 1730

Patent

active

046945830

ABSTRACT:
An electronic display device for presenting directional information to the operator of a motor vehicle. The display simultaneously shows current vehicle direction of travel as well as the relative directions of the 4 major compass axes by converting the direction information from an electronic flux gate compass. The device is further optimized to reduce the number of pin connections to the display and associated driver complexity and is readily applicable to LED, LCD or vacuum fluorescent type display elements.

REFERENCES:
patent: 3905121 (1975-09-01), Takeda et al.
patent: 3935645 (1976-02-01), Okamoto et al.
patent: 4373271 (1983-02-01), Nitz
patent: 4402142 (1983-09-01), Dinsmore

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