Boots – shoes – and leggings
Patent
1991-01-30
1994-04-05
Harrell, Robert B.
Boots, shoes, and leggings
395159, 395161, 364578, 364191, 364DIG2, 364977, 3649771, 3649202, G06F 1531, G06F 1546
Patent
active
053013018
ABSTRACT:
A computer system is programmed by a user to perform dataflow computations by constructing a dataflow block diagram that utilizes function icons. At least a subset of the function icons are polymorphic with respect to data type and with respect to data aggregation. A polymorphic function icon is executed by performing a single mathematical operation when its inputs are scalars, while the same icon is executed on an element when its inputs are arrays or a scalar and an array. With cluster inputs, the polymorphic function icon is executed on a component by component basis. Output types of polymorphic function icons are determined by their input types prior to executing the diagram. The system automatically constructs a connection diagram consisting of an icon with connection points that are labelled with the names of associated front panel controls and indicators. A front panel control can be hidden to make the associated control value a constant. To facilitate use of icons, a two dimensional palette of user constructed icons is automatically constructed from a directory of user constructed icons. Further, the name of the virtual instrument associated with an icon is displayed whenever the mouse cursor is proximate the icon. The system also generates a hierarchy diagram in which icons are arranged such that each icon has lines connected to all the icons it uses in its block diagram. A dataflow diagram can be locked to prevent modification thereof while still allowing the dataflow diagram to be executed.
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patent: 4677587 (1987-06-01), Zemany, Jr.
Kodosky Jeffrey L.
MacCrisken John E.
Truchard James J.
Ellis Richard Lee
Harrell Robert B.
National Instruments Corporation
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