Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1996-04-22
1998-06-02
Wu, Xiao
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345163, G09G 508
Patent
active
057607656
ABSTRACT:
A mouse structure is provided. The mouse structure includes a shell adapted to receive therein a ball, a receiving device for receiving a photo interrupting device in the shell, and an urging device for urging the photo interrupting device to contact against the ball properly. The probability of shift-detection missing is then reduced.
REFERENCES:
patent: 4464652 (1984-08-01), Lapson et al.
patent: 4818978 (1989-04-01), Kurihara et al.
patent: 5298916 (1994-03-01), Sato
patent: 5457479 (1995-10-01), Cheng
patent: 5565890 (1996-10-01), Wu et al.
Primax Electronics Ltd.
Wu Xiao
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