Inter-locked button actuated matrix switch system, particularly

Details Inter-locked button actuated matrix switch system, particularly Inter-locked button actuated matrix switch system, particularly

1987-10-27

1988-07-26

Scott, J. R.

Electricity: circuit makers and breakers

Multiple circuit control

Multiple switch

200 5E, 200 17R, 200339, 200 6154, H01H 300, H01H 1300

Patent

active

047602180

ABSTRACT:
An inter-locked button actuated matrix switch system for automotive instrumentation with button cluster switching, in which the switches form a 2.times.2 matrix switch circuit free of diode feedback protection in its input lines, the button structures being rocker mounted preventing the concurrent actuation of their associated switches. One button structure integrally includes two, closely spaced button elements having the look and feel of two independent buttons, with the other button structure having a relatively wide, single, continuous button actuation surface, the three "buttons" being located in line forming a button cluster for the automobile's information center. The first two, integrally formed button elements are used to set the basic parameters of the information system (English or metric, and zeroing of odometer), while the third, wider button is used in a rocking motion to sequence back and forth to present various information and displays (time of day, odometer reading, fuel consumption rates, trip miles to go, etc.). The button cluster can be located on the instrument panel, the console, the steering wheel or the driver's interior door panel, and the display can be visual and/or audio.

REFERENCES:
patent: 3399287 (1968-08-01), Euler
patent: 3482542 (1969-12-01), Mace
patent: 3691324 (1972-09-01), Brantingson
patent: 4401864 (1983-08-01), Ichikawa
patent: 4520240 (1985-05-01), Swindler
patent: 4654488 (1987-03-01), Westfall
patent: 4710602 (1987-12-01), Baity et al.

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