Electronic abacus
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United States of America Patent
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Nov 15, 2022
Grant Date -
May 27, 2021
app pub date -
Nov 2, 2018
filing date -
Nov 13, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention relates to an electronic abacus including: a plurality of abacus beads fitted on each of unit-specific support rods mounted on an abacus frame to be slidable in a vertical direction; an abacus bead position detecting unit including a plurality of position detecting means for detecting a position change of each abacus bead from lower parts of the abacus beads fitted on each of the unit-specific support rods; an abacus bead guide panel in which unit-specific guide blocks for guiding movement of the abacus beads fitted on each of the unit-specific support rods are integrally connected to cover all of the abacus bead position detecting unit; and a plurality of abacus bead moving members provided in a number which is the same as that of the abacus beads in the guide panel to movably support the abacus beads fitted on each of the support rods.
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