Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1993-03-23
1996-02-20
Moore, David K.
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
364DIG1, 364239, 3642391, 3642396, 3642679, 395164, 395250, 395650, G06F 300, G06F 1300
Patent
active
054936489
ABSTRACT:
A method for detecting high speed data received by a computer and for delaying displaying the receive data, thereby increase the microprocessor time devoted to receiving and storing the input data. Three parameters are utilized for determining when updating the display should be delayed because data input speed is high. First, if the input data is close to filling the computer's receive buffer, the data input speed is high. Second, if the data input port becomes idle, no more data is being input to the computer and the display may be updated. Third, if the display has not been updated recently, as indicated by a preset timer timing out, an update of the display is forced so that the user can verify that data is successfully being input. By varying and limiting the number of display updates, the microprocessor is allocated more time to store and process received data when the data input speed demands. By improving the microprocessor's ability to store and process received data, data communications are not disrupted.
REFERENCES:
patent: 4443863 (1984-04-01), Busch et al.
patent: 4860193 (1989-08-01), Bentley et al.
patent: 5007673 (1991-12-01), Brodegard et al.
patent: 5210829 (1993-05-01), Bitner
patent: 5301351 (1994-04-01), Jippo
Coleman George W.
Murray Mark R.
Hayes Microcomputer Products, Inc.
Katbab A.
Moore David K.
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