Geometrical instruments – Gauge – Template
Patent
1987-08-19
1990-04-17
Cuchlinski, Jr., William A.
Geometrical instruments
Gauge
Template
434164, B43L 1320
Patent
active
049168266
DESCRIPTION:
BRIEF SUMMARY
This invention relates to a precision handprint coding device.
Even after more than half-a-century of intensive, competitive research and development by the largest electronic and other organizations at massive expenditure worldwide, no satisfactory means, method or device appears yet to have emerged capable of providing the unusually high standard of handprint essential for immediate, accurate, automatic machine reading or recognition (OCR) of handprint by simple means.
Such a capability was considered so important by the Government in the sixties as to result in the funding of a special project at NPL under the leadership of the late Dr. Chris Evans, who with Mr. Epps from The London College of Printing, evolved so successfully the Epps-Evans (E-E) alphanumeric stylized font of characters. This is still considered the ideal from every angle for such OCR, provided it could be handprinted by the general public to the demanding standards of precision and accuracy not only in height and width, but also as regards placement, alignment, orientation, without adjacent characters touching or overlaying (often found in typed and office print) and spacing - consistently without deviation therefrom.
It is therefore an object of this invention to provide a handprint coding device which is simple, convenient, easily operated, inexpensive and compact not only to attain required standards, but also, in particular, to prevent imprecise placement, misalignment, varying orientation, irregular or inaccurate spacing or characters touching or overlaying, or deviations of any kind, even in the hands of remote, or isolated, inexperienced people generally.
A handprint stencil comprising:
a base unit including an opening or openings providing a writing path;
a generally planar movable unit provided with at least one multi-character, complete font, single aperture;
a generally planar area of said base unit, situated adjacent to said opening, to receive said movable unit; and
a plurality of mating connections on said base unit and said movable unit to detachably and releasably secure said movable unit firmly and substantially immovably in any direction parallel to the plane of said planar area in any one of a plurality of positions and any one of a plurality of orientations on the said generally planar area of said base unit, said mating connections on said base and movable units being provided with abutment walls extending perpendicularly to the plane of the generally planar area and to the plane of the movable unit respectively, to permit movement of said movable unit into and out of engagement with said base unit only in a direction substantially perpendicular to the plane of said generally planar area of said base unit;
whereby said movable unit is detachably held on said planar area of said base unit by said mating connections to allow a complete font to be stenciled by means of said multi-character, single aperture of said movable unit and through said opening of said base unit onto matter to be stenciled.
To facilitate such orientation, e.g. turning over, the movable unit may be provided with one or more projections, for example, including stems projecting from the edges of the movable unit, by means of which the movable unit may be readily held between a finger and thumb externally, picked up and turned over, rotated, or otherwise orientated; and/or rotated by projections from its top surface.
Preferably, the base unit comprises a lower member for supporting matter to be printed and an upper member for holding the movable unit separate from the matter to be printed, the upper member being supported by and disposed above the lower member to leave a space between the members sufficient to accommodate matter to be printed, the writing path(s) and the co-operating means of the base unit being in/on the upper member.
Various ways may be used to hold the movable unit rigidly in position on the base unit to ensure that the printing is positioned with such accuracy on the matter to be printed so that, for example, reliable OCR can
REFERENCES:
patent: 1022384 (1912-04-01), Bahr
patent: 2298635 (1942-10-01), Bliss
patent: 3242577 (1966-03-01), Murphy
patent: 3584385 (1971-06-01), Booth
Cuchlinski Jr. William A.
Fulton Christopher W.
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