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US4697048A Expired / Lapsed US ⏱️ 0.0 years remaining

Graphics tablet menu locator accommodating differing sizes of paper

Assignee: HP Inc
•
Filing: 1986-04-29
•
Granted: 1987-09-29
•
Expires: 2006-04-29
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Abstract

Abstract A digitizer platen or tablet incorporates a recess within its surface. The recess has plural multiples of four interior corners for interlocking with predetermined sizes of rectangular paper wherein no two lengths are equal and no two widths are equal. Menus are plotted or otherwise prepared upon the predetermined sizes. The menu preparation is such that when a sheet of any of the predetermined sizes is registered within its corresponding interior corners of the recess there obtains a constant (X, Y) offset between a selected point of reference upon the tablet, such as the origin, and a selected point of reference upon the menu. Such automatic constant offset with registration frees the operator of the digitizer from manually instructing the applications software as to the exact location of the menu.

Inventors

  • 👤 Brad Clements
  • 👤 John C. Keith

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 10:25
CPC Classifications
G; G09; G09B; G09B5/00; G09B5/06; G09B5/062

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 55 words
Apparatus comprising a digitizing surface upon which coordinates are digitized, the digitizing surface having within its extent a recess bounded by a plurality of groups of four corners, the corners in each group describing an associated rectangle, and the corners of each group lying outside the rectangles described by the corners of the other groups.
Claim 2
Dependent Claim 55 words
Apparatus comprising a digitizing surface upon which coordinates are digitized, the digitizing surface having within its extent a recess bounded by a plurality of groups of four corners, the corners in each group describing an associated rectangle, and the corners of each group lying outside the rectangles described by the corners of the other groups.
Claim 3
Dependent Claim 19 words
Apparatus as in claim 1 wherein the principal diagonals of each of the rectangles intersect in a common point.

References Cited (Backward Citations)

US4184147A Cited
US4555590A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-09-28 1991-03-30 1991-09-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-09-28 1995-03-30 1995-09-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-09-28 1999-03-30 1999-09-29 $7700.00 Window Closed / Lapsed

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