Waveform selection by touch

Details Waveform selection by touch Waveform selection by touch

1986-12-19

1988-08-23

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340365P, G09G 100

Patent

active

047664258

ABSTRACT:
For an oscilloscope capable of simultaneously displaying a plurality of waveforms on a screen and capable of performing operations with respect to a selected one of the displayed waveforms, a method and apparatus for permitting an operator to select a waveform. A touchscreen mechanism provides input signals to the oscilloscope indicating when and where an operator touches the surface of the screen and a microcomputer within the oscilloscope determines from data controlling the display of each waveform and from the data provided by the touchscreen whether the operator is touching any portion of a displayed waveform. If so, the microcomputer assumes that the operator has selected the waveform touched and reconfigures oscilloscope operation such that operations are performed with respect to the waveform touched by the operator.

REFERENCES:
patent: 4093995 (1973-06-01), Smith et al.
patent: 4110749 (1978-08-01), Janko et al.
patent: 4413314 (1983-11-01), Slater et al.
patent: 4517559 (1985-05-01), Deitch et al.

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