Registers – Coded record sensors – Particular sensor structure
Patent
1993-05-17
1994-11-08
Hajec, Donald
Registers
Coded record sensors
Particular sensor structure
235490, 434327, G06K 704, G06K 1906, G09B 300
Patent
active
053629507
ABSTRACT:
A grid for use to select and enter data into a computer, which comprises a planar surface on which selective elements, preferably consisting of beads, are movably mounted. Each element can be introduced onto the planar surface between a set of predetermined locations that preferably extend along a slot and each corresponds to one of the data to be entered. Each slot corresponds to a question. For each question, the grid offers several positions which correspond to a corresponding number of responses. Once all the responses are given, the grid can be read by a suitable reader connected to a microcomputer, the process being simple, fast, reliable and not expensive. The grid and its reader can be part of a kit also including a software to be inserted and used by the computer to which the reader is connected, for compiling the information that is transmitted to this computer by the reader. The kit may also include one codification sheet per marking grid, containing visual marks positioned to correspond to the different locations where the beads can be positioned.
REFERENCES:
patent: 2357744 (1944-09-01), Kennerly
patent: 3093915 (1963-06-01), Simone
patent: 4752073 (1988-06-01), Thompson
Filpek Jeffrey R.
Greigg Edwin E.
Greigg Ronald E.
Hajec Donald
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