Infrared pointing type wireless controller

Details Infrared pointing type wireless controller Infrared pointing type wireless controller

1996-07-10

1999-09-14

Liang, Regina

Computer graphics processing and selective visual display system

Display peripheral interface input device

Cursor mark position control device

345169, G09G 508

Patent

active

059529962

ABSTRACT:
An infrared pointing type wireless controller includes a system main body which is an objective of pointing, the system main body having transmitting circuit for generating a carrier frequency signal for emitting an infrared ray, and receiving and controlling circuit for receiving a reflected carrier signal and a reflected code signal, and calculating coordinates of a pointed position according to a difference of intensities of received infrared signals, for matching the pointed position to a display screen; and position indicating circuit with which pointing is performed having re-transmitting circuit for passing or blocking reflection of the carrier frequency signal transmitted from the transmitting circuit for generating a required code, and overlapping the code with the carrier frequency signal and reflecting the overlapped signal.

REFERENCES:
patent: 5045843 (1991-09-01), Hansen
patent: 5561543 (1996-10-01), Ogawa
patent: 5602568 (1997-02-01), Kim

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