Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1992-02-28
1996-12-03
Black, Thomas G.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
395341, G09G 534
Patent
active
055812759
ABSTRACT:
A method and apparatus for locating a predetermined position in a computer file. A continuous, static ECG waveform is displayed in rows on a CRT screen. A scroll bar permits a user to use a computer mouse to click and drag the scroll box to display different portions of the ECG data. When the cursor is on the scroll box and a button on the mouse is depressed, a data window opens adjacent the scroll box and displays the hours, minutes and seconds of the time of day when the ECG waveform of the portion currently displayed was recorded. The data window moves with the scroll box and continues to display current time of the data displayed. When the mouse button is released, the data window closes and the screen changes to display the ECG waveform from the newly selected time.
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Glei Matthew S.
Portnuff Colin M.
Raj Rommel R.
Black Thomas G.
Hewlett--Packard Company
Von Buhr Maria N.
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