G - Physics – 06 – K
Patent
G - Physics
06
K
354/236
G06K 11/06 (2006.01) G06F 3/033 (2006.01)
Patent
CA 1244960
36 CORDLESS INTELLIGENT MOUSE Abstract Of The Disclosure A cordless mouse pointing device (16) communicates to a base station receiver (222) across free space. An infrared beam is modulated by a serial data output (188) containing information specifying the displacement and status of the mouse pointing device (16). The mouse pointing device (46) is battery- operated, but may optionally be connected to the base station with a cord (40). The cord (40) communicates data between the mouse (16) and the base station (12) as well as provides power from the base station (12) to recharge the batteries (86) of the mouse (16) and to power the mouse (16). A low-voltage sensing device (48) in the mouse (16) determines if the batteries (86) are nearly exhausted, this information being transmitted to the base station (12) to warn a human user. If the mouse pointing device (16) is not used (and its buttons (28, 30) are not pushed) for a predetermined period of time, the mouse (16) switches off many of its active circuits to preserve battery power (i.e., it "goes to sleep"). Before going to sleep, the mouse (16) transmits a sleep notification packet (188) to the base station (12) to inform the user that the mouse (16) has gone to sleep and must be awakened again (i.e., by depressing one of the mouse pointing device buttons 28, 30) before it can again be used.
488526
Goudreau Gage Dubuc
Metaphor Computer Systems
LandOfFree
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