Boots – shoes – and leggings
Patent
1988-04-01
1989-12-26
Kemeny, Emanuel S.
Boots, shoes, and leggings
324 77B, 340789, G01R 2300
Patent
active
048902365
ABSTRACT:
Upon the adjustment of a control setting of a test instrument, the current data (taken before the change is effected) is manipulated by recalculating the trace data in light of any adjustment that is entered by a user. This represents an estimate of the effect of the adjustment in the control setting, and this estimate is redrawn on a display device. This modified image is preferably displayed before the real new image is ready to be displayed. This provides immediate feedback to the user so that adjustments can be effected without slowing the measurement process. Various embodiments provide panning or repositioning the trace left and right while changing the x-axis center frequency; stretching or compressing the trace (spanning) while changing the frequency span; or using a combination for adjustments to only the start or stop frequency. In one embodiment, the estimate can be displayed only after the user has committed to having a new measurement performed. Alternatively, in another embodiment, estimates can be displayed continuously while the user is making adjustments and before the user has committed to performing a new measurement. Having a test instrument display to the user an estimate of a future measurement while adjusting the control settings of the instrument in order to aid knob and button settings facilitates making adjustments visually during measurements which take longer than a fraction of a second. By having an immediate response on the display device, the user is not required to make blind changes.
REFERENCES:
patent: 4476462 (1984-10-01), Feldman
patent: 4652816 (1987-03-01), Crookshanks
patent: 4764915 (1988-08-01), Efron et al.
Kilk Erik
Schmidt Alan W.
Smith David A.
Hewlett--Packard Company
Kemeny Emanuel S.
Milks, III William C.
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