KR940003358A - Automatic swing device and method of TV using pyroelectric sensor - Google Patents

Abstract

The present invention relates to an automatic swing device and a method for allowing the left and right swing of the TV according to the viewer's position in the TV, and in particular, to find the swing angle of the TV suitable for the viewer's position using a pyroelectric sensor. The present invention relates to an automatic swing device and a method of a TV using a pyroelectric sensor.

Increasingly, consumers' desire to enjoy high-quality video has not only increased the size of the TV, but also increased the weight of the set, which caused the viewer to directly move the TV at an angle appropriate to the viewer's position.

In the related art, the rotary motor is installed at the bottom center of the TV and the left / right swing control keys are attached to the remote control of the TV, so that the viewer has to directly manipulate the keys to a desired position. As it is difficult to match the exact and comfortable viewing position, there has been the hassle of manipulating keys one by one according to the change of viewing position.

Therefore, the present invention attaches an optical focusing plate and a pyroelectric sensor to detect the viewer's position at both ends of the front of the TV, and installs a limit switch at a predetermined left and right angles of the rotating motor in the center, By incorporating a program that swings the TV according to the viewer's automatic swing input signal, it eliminates the need to manually adjust the angle of the TV according to the viewer's position, and enhances convenience by installing only one key on the remote control. It provides the effect of finding a more efficient and appropriate viewing position.

Description

Automatic swing device and method of TV using pyroelectric sensor

Since this is an open matter, no full text was included.

1 is an automatic swing device of a TV using the pyroelectric sensor of the present invention.

2 is a flow chart of a microcomputer processing according to the present invention.

3 is a waveform diagram of the main part of the embodiment according to the present invention. Table 1 shows the input / output relationship of the motor driving IC.

Claims (2)

In a TV capable of swinging left and right, the left and right light focusing plates 10 and 10 'installed on both sides of the front and rear of the TV to focus and pass only 5um-7um infrared rays emitted from the human body, and the focusing plate 10 Pyroelectric sensor unit 20 for outputting an AC waveform only when the position of the human body has passed, the amplifier 30 to amplify the minute output of the pyroelectric sensors (IC1) (IC2), and the amplifier 30 A peak detector 40 for detecting the peak level of the signal amplified by the differential signal, a differential amplifier 50 for differentially amplifying and outputting the difference between the left and right peak levels detected by the peak detector 40 as an input, and The microcomputer 60 and the microcomputer 60 which control the motor driving IC 70 by inputting the output level input from the differential amplifier 50 and the on / off state of the limit switch attached to both ends of the rotary motor. Control the left and right swings of the motor according to the control signal I and enable signal EN Automatic swing device of the TV using a pyroelectric sensor composed of a motor driving IC (70). In a TV capable of swinging left and right, the steps of initializing for the processing of the automatic swing command, determining and executing the rotation direction by the sensor input, checking the number of direction change to the present time, and executing the automatic swing command Checking the end and continuation, automatic swing method of the TV using the pyroelectric sensor. ※ Note: The disclosure is based on the initial application.