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Inventor: Abe; Kiyomi
Address: Soka, JP
No. of patents: 3
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4492818 |
Tablet input apparatus |
January 8, 1985 |
| A tablet input apparatus having a tablet formed with a segment including at least one lattice point on a matrix comprising a group of conductors arranged in spaced relation along coordinate axes, wherein an input pen is placed in contact with a desired segment to thereby output said segm |
| 4194083 |
Capacitively coupled tablet |
March 18, 1980 |
| A capacitively coupled tablet for use with a probe comprises two sets of conductors spaced apart along coordinate axes to form a matrix, and an overlay disposed above the conductors and forming a plurality of key segments associated with the individual points of intersection of the m |
| 4136336 |
Keyboard apparatus |
January 23, 1979 |
| A keyboard apparatus includes a pair of juxtaposed tablets against which a single probe or signal pen may be applied through an overlay or overlays. Each tablet has a multiplicity of key segments defined on its surface at specified coordinates. Each segment is operable as a key as the pr |
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