Switching unit provided with a switch discriminating function
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United States of America Patent
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Sep 22, 1998
Grant Date -
N/A
app pub date -
Feb 22, 1995
filing date -
Mar 23, 1994
priority date (Note) -
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Abstract
A switching unit includes a plurality of operation switches and terminal loads corresponding to each of the operation switches. A switch is connected to a load by way of a controlling circuit unit. Each of the operation switches includes a recognition signal generator for generating individually different switch signals when each switch is turned on. The controlling circuit unit includes a switch discriminator that generates an output signal for activating a predetermined terminal load on receiving each of the switch signals from the recognition signal generating means. By replacing an operation switch with another which contains a different recognition signal generator, the unit can cope with a change of the grade of a vehicle, change of required function and so on, making possible a reduction in the number of terms to be used, making it possible to reduce the total production cost.
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