Switching unit provided with a switch discriminating function

Details Switching unit provided with a switch discriminating function Switching unit provided with a switch discriminating function

1995-02-22

1998-09-22

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

307 101, 307 38, 439 34, H01H 104, B60L 100

Patent

active

058118918

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.

REFERENCES:
patent: 4737656 (1988-04-01), Gottlieb
patent: 4785194 (1988-11-01), Gottlieb
patent: 4992671 (1991-02-01), Gille et al.
patent: 5040990 (1991-08-01), Suman et al.
patent: 5192873 (1993-03-01), Wrenbeck et al.
patent: 5424586 (1995-06-01), Hattori et al.
patent: 5475592 (1995-12-01), Wnuk et al.

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