KR970060989A - 3D wireless pointing device - Google Patents

Abstract

The present invention relates to a three-dimensional wireless pointing device for calculating coordinates in a three-dimensional space and controlling the position of a cursor. More particularly, the present invention relates to a three-dimensional wireless pointing device for controlling the position of a cursor, An infrared receiving sensor capable of receiving infrared rays and a plurality of infrared ray receiving sensors are arranged so as to intersect at right angles with the ultrasonic wave generating unit and the infrared ray emitting unit of the transmitting side and then the respective infrared ray detecting intensities detected by the plurality of infrared ray receiving sensors are measured, A second coordinate value is obtained by measuring the detection intensity of each infrared ray having a plurality of different characteristics received by any one of the plurality of infrared ray receiving sensors from the plurality of infrared ray receiving sensors, The average time of arrival of the ultrasonic waves is calculated, and the third coordinate value is obtained, And after determining in three dimensions the relative positions of the receiving Toilet moves like the current position of the cursor or the menu of the controlled object to the determined three-dimensional location.

Description

3D wireless pointing device

Since this is a trivial issue, I did not include the contents of the text.

4 is a block diagram of the position indicating means in the three-dimensional wireless pointing device according to the present invention;

FIG. 5 is a block diagram of a receiving means in a three-dimensional wireless pointing device according to the present invention; FIG.

FIG. 6 is a perspective view showing a second embodiment of the arrangement structure of a three-dimensional wireless pointing device according to the present invention; FIG.

FIG. 7 is a perspective view showing a third embodiment of the arrangement structure of a three-dimensional wireless pointing device according to the present invention; FIG.

Claims (13)

A position indicating means for locating a single ultrasonic wave generating unit and a plurality of infrared ray emitting units in a predetermined axial direction with a predetermined angle to emit an ultrasonic wave and a plurality of infrared signals having different characteristics in a space; And an ultrasonic receiving sensor and a plurality of infrared receiving sensors are mounted at different positions on the same straight line of the main body of the electronic apparatus so as to be perpendicularly intersected with the plurality of infrared ray emitting units and receive ultrasound and infrared signals transmitted from the position indicating means, Detecting means for removing an envelope signal corresponding to the carrier signal included in the infrared and ultrasonic signals received by the infrared receiving sensor and the ultrasonic receiving sensor, respectively, and a detecting means for detecting a plurality of envelope-detected infrared signals from the detecting means, Respectively, and based on the point of time when the infrared ray is detected A space position analyzing means for detecting a phase difference of an ultrasonic signal, a first coordinate value obtaining means for obtaining a first coordinate value by measuring detection intensities of a plurality of infrared rays respectively converted into digital signals by the spatial position analyzing means, A second coordinate value is obtained by measuring the detection intensity of each infrared ray having a plurality of different characteristics received from the infrared ray receiving sensor, a third coordinate value is obtained by calculating the average arrival time of the ultrasonic wave on the basis of the time when infrared ray is detected by the infrared ray receiving sensor A coordinate calculating means for determining a relative position between the position indicating means and the detecting means in three dimensions; and a position calculating means for calculating a current position in accordance with the relative positional movement of the position indicating means and the detecting means, to a three-dimensional position determined by the coordinate calculating means And a position control means for controlling the controlled object. The apparatus as claimed in claim 1, wherein the position indicating means comprises: a key input unit having keys such as a cursor movement, a selection command, and an operation command; and a control unit for receiving a key signal of the key input unit and receiving a periodic pulse of a code identification waveform and a synchronization identification waveform A transmission output section for superimposing the periodic pulse signal generated by the periodic pulse generating section on an ultrasound wave and an infrared carrier signal to convert the periodic pulse signal into a plurality of infrared signals of different ultrasonic and different characteristics; A carrier generator for generating an ultrasound carrier and an infrared carrier signal and outputting the ultrasound carrier and an infrared carrier signal to the transmission output unit to prevent a disturbance or interference of a signal; And a plurality of infrared light emitting units. The ultrasonic diagnostic apparatus according to claim 1, wherein the detecting means comprises: a plurality of infrared ray receiving sensors provided at different positions on the same straight line for receiving the infrared ray signal transmitted from the position indicating means; A receiving sensor connected to the ultrasonic receiving sensor and the plurality of infrared receiving sensors for amplifying the weak ultrasonic signal and the plurality of infrared signals received by the ultrasonic receiving sensor and the plurality of infrared receiving sensors and passing only the carrier signal band And an envelope detecting unit for removing carrier signals from the output of the amplifying and filtering unit and detecting levels corresponding to the intensity of the signals received by the ultrasound receiving sensors and the infrared receiving sensors, respectively, Device. The apparatus according to claim 1, wherein the spatial position analyzing means comprises: an analog / digital converter for converting each output of the envelope detecting unit, which detects an envelope of a signal received by a plurality of infrared ray receiving sensors, into a digital signal; A first comparator for comparing an output of a predetermined envelope detector for detecting an envelope of an infrared signal to use as a reference signal of the envelope detector and for converting the output of the envelope detector to an internal reference signal to convert the output of the envelope detector to a timing signal, A second comparator for comparing a reference signal of the first comparator with a reference signal and converting the reference signal into a timing signal, a phase comparator for detecting a relative phase difference between the ultrasonic signals output from the second comparator, And a clock generator for generating a clock by the phase difference detector Dimensional wireless pointing device. 2. The apparatus according to claim 1, wherein the coordinate calculating means detects the infrared signal transmitted through the infrared ray emitting portion (31A) of the position indicating means by a plurality of infrared ray receiving sensors, measures the intensity of each infrared ray signal detected, 1 coordinate values are calculated and the infrared signal transmitted through the infrared ray emitting section 31B of the position indicating means is detected by a plurality of infrared ray receiving sensors at predetermined time intervals and the intensity of each infrared ray signal detected is measured And calculates a final first coordinate value by calculating an average value of the plurality of first coordinate values after calculating another first coordinate value. 6. The three-dimensional wireless pointing device of claim 5, wherein the first coordinate value is an X coordinate value. The ultrasonic diagnostic apparatus according to claim 1, wherein the ultrasonic wave generating unit and the plurality of infrared ray emitting units of the position indicating unit are arranged in the Y axis direction with a certain angle (?), And the ultrasonic receiving sensor and the plurality of infrared ray receiving sensors Wherein the ultrasonic wave generating unit and the plurality of infrared light emitting units of the indicating unit are mounted on the main body of the electronic device at a predetermined distance in the X axis direction so as to intersect at right angles to each other. The ultrasonic diagnostic apparatus according to claim 1, wherein the ultrasonic wave generating unit and the plurality of infrared ray emitting units of the position indicating unit are arranged in the X-axis direction with a certain angle (?), And the ultrasonic receiving sensor and the plurality of infrared ray receiving sensors Wherein the ultrasonic wave generating unit and the plurality of infrared ray emitting units of the indicating means are mounted on the main body of the electronic device at a predetermined distance in the Y axis direction so as to intersect at right angles with each other. 2. The three-dimensional wireless pointing device according to claim 1, wherein the infrared receiving sensor and the ultrasonic receiving sensor of the detecting means are detachably attached to the main body of the electronic apparatus. 2. The three-dimensional wireless pointing device according to claim 1, wherein the plurality of infrared ray emitting units of the position indicating means are disposed at different positions and emit infrared rays of different carrier frequencies at the same time. 2. The three-dimensional wireless pointing device according to claim 1, wherein the plurality of infrared ray emitting units of the position indicating means transmit infrared rays having different carrier frequencies at different timings. 2. The three-dimensional wireless pointing device according to claim 1, wherein the plurality of infrared ray emitting units of the position indicating means are disposed at different positions, and one of the infrared ray emitting units is separated into an infrared ray of a longitudinal wave and an infrared ray of a transverse wave. 2. The three-dimensional wireless pointing device according to claim 1, wherein the plurality of infrared ray emitting units of the position indicating means are disposed at different positions and emit infrared rays of different wavelengths. ※ Note: It is disclosed by the contents of the first application.