Patent
1989-11-22
1993-03-30
Herndon, Heather R.
G06F 1520
Patent
active
051991047
ABSTRACT:
A portable computer has incorporated therein a central processing unit, a display apparatus and a timer circuit. This portable computer is also provided with exclusive operation keys, wherein image data corresponding to a predetermined condition can be displayed on the display apparatus only by depressing the predetermined exclusive operation key and schedule data judged from a date of present time point can also be displayed on the display apparatus only be depressing the predetermined exclusive operation key.
REFERENCES:
patent: 4715010 (1987-12-01), Inoue et al.
patent: 4890258 (1989-12-01), Tsugei et al.
patent: 4912640 (1990-03-01), Tsugei
patent: 5008854 (1991-04-01), Maeda et al.
"Selecting a Daily Calendar From a Monthly Calendar", J. P. Vincent and M. E. Weidmann, IBM Technical Disclosure Bulletin, vol. 26, No. 8, Jan. 1984.
Herndon Heather R.
Sony Corporation
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