Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1990-10-30
1993-10-19
Shaw, Dale M.
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
395144, 395600, 345201, G06F 1520
Patent
active
052553647
ABSTRACT:
Before an optical disk is inserted into an electronic filing system, one of three mode-setting keys provided on a keyboard is pushed, thereby setting an automatic mode for permitting automatic updating of retrieval data items, an inhibit mode for inhibiting the automatic updating of retrieval data items, and a select mode for selecting the automatic updating of retrieval data items or the inhibition thereof. The mode, thus set, is recorded on a magnetic disk. When the optical disk is inserted into the system, the mode is read from the magnetic disk. The mode read from the magnetic disk controls the updating of the retrieval data items recorded on the magnetic disk.
REFERENCES:
patent: 4604653 (1986-08-01), Shimizu
patent: 4868733 (1989-09-01), Fujisawa et al.
patent: 4931957 (1990-06-01), Takagi et al.
patent: 4942479 (1990-07-01), Kanno
patent: 5047868 (1991-09-01), Takeda et al.
"WordPerfect Manual, Version 5.1" by WordPerfect Corporation Mar. 1990, pp. 208-211, 380-388, 398-402.
Kabushiki Kaisha Toshiba
Shaw Dale M.
Tung Kee M.
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