Infrared remote control device for a personal digital assistant

Details Infrared remote control device for a personal digital assistant Infrared remote control device for a personal digital assistant

G - Physics

08

C

G08C 23/04 (2006.01) G06F 1/16 (2006.01) G06F 15/02 (2006.01) H03J 9/06 (2006.01) H04B 1/20 (2006.01) H04B 1/38 (2006.01) H04B 10/10 (2006.01) H03J 1/00 (2006.01)

Patent

CA 2158947

According to the present invention there is provided an infrared code gener- ating and transmitting device ( 12) adapted to be coupled to or incorporated in a mi- crocomputer system (10), commonly re- ferred to as a personal digital assistant (PDA). The IR code generating and trans- mitting device (12) comprises a CPU (40) separate or incorporated into the micro computer system (10) of the PDA; a mem- ory separate or incorporated into the mi- crocomputer system (10); an LED output (IR1, IR2); LED driver circuitry (68) cou- pled between the CPU (40) and the LED output (IR1, IR2); an interface connector (78); an interface buffer circuit (44) cou- pled between the interface conector (78) and the CPU (40); and an interface data buffer circuit (54) coupled by data lines (80) between the interface connector (78) and the CPU (40).

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