Warning timer for users of interactive systems

Details Warning timer for users of interactive systems Warning timer for users of interactive systems

1991-06-13

1994-07-26

Shaw, Dale M.

G06F 1502

Patent

active

053332725

ABSTRACT:
A warning timer adapted for use in an interactive data processing system which generates an alarm when a user receives output at an input/output device when he or she is not likely to be paying attention to the input/output device. The user is assumed to be paying attention for a specified amount of time after he or she last sent a request to a computer or received a response from the computer. The specified amount of time corresponds to the length of the user's attention span. The warning timer operates as follows. When the user receives a response, it calculates the amount of time that has elapsed since the user last sent a request or received a response. If the elapsed time exceeds the specified amount of time, it generates an alarm to alert the user.

REFERENCES:
patent: 4849919 (1989-07-01), Haneda
patent: 4872110 (1989-10-01), Smith et al.
patent: 4930093 (1990-05-01), Houser et al.
patent: 4954956 (1990-09-01), Yamakawa et al.
patent: 5040158 (1991-08-01), Lee et al.
patent: 5097470 (1992-03-01), Gihl
Mead Data Central, Lexis/Nexis Software Manual, 1987.
IBM Technical Disclosure Bulletin, vol. 31, No. 12, May 1989.

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