Point-type radio controller using infared rays

Details Point-type radio controller using infared rays Point-type radio controller using infared rays

1995-12-29

1998-01-20

Hellner, Mark

Optics: measuring and testing

Angle measuring or angular axial alignment

Apex of angle at observing or detecting station

345158, G09G 508, G01B 1126

Patent

active

057106231

ABSTRACT:
A point-type radio controller using infrared rays facilitates an installation of a receiving sensor by arranging an infrared transmitter and an infrared receiver at right angle to each other, and accurately computes a coordinates-position of a designated point through double calculating coordinates value of a point in a constant time. The point-type radio controller using infrared rays includes a transmitting means for transmitting an infrared signal having a constant period, and having infrared diodes as a plurality of signal generators in the direction of Y-axis in order to achieve a constant angle; a receiving means for receiving the infrared signal by mounting infrared receiving sensors on a display device at a right angle to the infrared diodes in the direction of X-axis; and a controlling means for calculating coordinates-position of an indicated point by using an intensity difference between the infrared signals received by the receiving means, and displaying a calculated point on a display screen.

REFERENCES:
patent: 5009501 (1991-04-01), Fenner et al.
patent: 5554980 (1996-09-01), Hashimoto et al.
patent: 5561543 (1996-10-01), Ogawa
patent: 5602568 (1997-02-01), Kim

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