Telegraphy – Systems – Position coordinate determination for writing
Patent
1989-02-27
1990-06-12
Schreyer, Stafford D.
Telegraphy
Systems
Position coordinate determination for writing
340712, G08C 2100
Patent
active
049335146
ABSTRACT:
There is disclosed a grouping of templates which are useful in a computer system having a central processing unit with a keyboard station and a pointing device station having a pointer which has at least one cursor button which is responsive to input the positional movement of the pointer. The invention is applicable to computers operating with systems which have successively layers of a main menu of selected and grouped functions and sub-menus in successive layers, which have selected and grouped sub-functions that are accessible by successive entries from the keyboard or the pointing device. The invention is particularly applicable to a computerized assisted drafting or manufacturing system which customarily utilizes a digitizing tablet. The templates of this invention are intended for use with the pointing device and include indicia which are arrayed in predetermined locations on the templates in a plurality of groups, each of which corresponds to a predetermined selectable item of the main menu. All members of a group share a common group identifying characteristic, such as color. The templates include at least a second plurality of indicia, each of which corresponds to a predetermined selectable item of a sub-menu. The invention also includes macro definitions with each macro corresponding to the position coordinates of its identifying indicia on the templates.
REFERENCES:
patent: 4821029 (1989-04-01), Logan et al.
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