Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Patent
1995-07-28
1998-02-10
Nguyen, Chanh
Computer graphics processing and selective visual display system
Display peripheral interface input device
Cursor mark position control device
345164, G09G 508
Patent
active
057174270
ABSTRACT:
An optical-reflecting decoder modular design mechanism of mouse which is all components of mouse control circuit to adhere to the PCB using SMT technic, and this PCB is installed on a base which has two small size slotted discs, one ball member and one idle roller. Besides, the end of mouse cable has a connector which has several slots on the top center, and each slot has a connecting spring, and at the end of each spring has a connecting protuberance in order to touch to the touching point of the PCB. Also two sets of LED and phototransistors are adhered to the back of PCB, and installed reflecting lens under each LED and phototransistor, and install on the rack of two lens in a proper slope angle for light reflection.
REFERENCES:
patent: 4739315 (1988-04-01), Soma et al.
patent: 5144290 (1992-09-01), Honda et al.
patent: 5311209 (1994-05-01), Lin
Nguyen Chanh
Sysgration Ltd.
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