Communications: electrical – Continuously variable indicating – With meter reading
Patent
1993-06-04
1995-03-07
Horabik, Michael
Communications: electrical
Continuously variable indicating
With meter reading
34082556, 341 22, 341 23, 345172, 345173, H04Q 100
Patent
active
053962265
ABSTRACT:
An identification code input board for activating electrical equipment such as an electrical lock includes: a display panel crosswise arranged in the form of M lines X N rows while including a plurality of display sections to display a group of codes of which number is represented by a numeral of m X n, a transparent key switch sheet superimposed on the front surface of the display panel while including a plurality of switches arranged corresponding to the display sections, a display converter for selecting one of plural kinds of display formats, of which number is represented by a numeral of (M-m+1) X (N-n+1), every time the electrical equipment is actuated, and a code reader adapted to output a digitized code signal for distinguishing a selected code, wherein each of m and n is a positive integral number of two or more and each of M X N is a positive integral number larger than that of m and n respectively. In response to a coordinate signal outputted from the transparent key switch sheet superimposed on the front surface of the display panel, a microcomputer is activated to properly actuate an electromagnetic actuator for actuating the electrical equipment.
REFERENCES:
patent: 4857914 (1989-08-01), Thrower
patent: 5274370 (1993-12-01), Morgan et al.
Naka Katsufumi
Wake Hideo
Horabik Michael
Miwa Lock Co. Ltd.
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