Point matrix display programming

Details Point matrix display programming Point matrix display programming

B - Operations, Transporting

66

B

364/35

B66B 3/02 (2006.01) G06F 3/023 (2006.01) G06F 3/033 (2006.01)

Patent

CA 1282509

ABSTRACT OF THE DISCLOSURE Apparatus for programming the decoder of a point matrix display of an elevator floor level indicator is simple and reduces design costs and comprises a symbol matrix corresponding to the matrix display, with the aid of which a desired symbol can be formed, switches for selecting the desired symbol decoder memory address, programming logic for placing the memory circuit in the point matrix display decoder in a write mode and a parallel interface for transferring the image information contained in the symbol matrix to the memory circuit in parallel mode.

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