Coded data generation or conversion – Bodily actuated code generator
Patent
1991-08-12
1994-02-15
Yusko, Donald J.
Coded data generation or conversion
Bodily actuated code generator
382 59, 382 60, 345157, H03M 1100, C09G 302, C06K 922
Patent
active
052871053
ABSTRACT:
This is a hand cursor for a digitizing system allowing easier positioning of the cursor at the points to be digitized. The cursor includes a quasi-sight window having a CCD panel for viewing a 2-dimensional area and an LCD panel for displaying it to the user. There is a vertical positioning line on the panel. A position signal generator is disposed in the cursor for continuously generating and outputting positional data from which a reference point position and the orientation of the positional line on the tablet surface can be dynamically determined. There is also position determination logic for inputting the electrical signal output from the CCD panel and the positional data from the positional generator and for determining a point on the tablet surface where the positional line crosses a line contained in a drawing disposed on the tablet surface over which the quasi-sight window is positioned as a point to digitize.
REFERENCES:
patent: 4181952 (1980-01-01), Casey et al.
patent: 4809351 (1989-02-01), Abramovitz et al.
patent: 4969054 (1990-11-01), Tsugi et al.
patent: 5132673 (1992-07-01), Ciavarella et al.
Guardado Julio L.
Schlotterbeck David L.
CalComp Inc.
Gray R.
Porter, Jr. Wm F.
Streck Donald A.
Yusko Donald J.
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