JP2013117389A5

JP2013117389A5 -

Info

Publication number: JP2013117389A5
Application number: JP2011263806A
Authority: JP
Filing date: 2011-12-01
Publication date: 2014-10-30
Anticipated expiration: 2031-12-01

Description

本発明にかかる表示装置は、映像を表示する表示部と、間隙を有する受光範囲をもつ赤外線センサーと、前記赤外線センサーを回転駆動させる駆動部と、前記赤外線センサーの出力から人体の存在の有無を判定するものであって、前記判定の開始から人体の存在がないと判定した継続期間が第１の期間を超える度に、前記駆動部に前記赤外線センサーを所定の回転量分の回転駆動をさせる制御を行ない、繰り返して人体の存在の有無を判定し、前記継続期間が前記判定の開始から第２の期間を超えた場合は、視聴領域に人体が存在しないことを示す判定結果を出力する在人判定部とを備え、前記所定の回転量は、回転方向の前記間隙の幅を所定の分割数で等分した幅に基づく回転量であって、前記第２の期間は、前記第１の期間に前記所定の分割数の回数を掛けた期間と、前記所定の回転量の回転駆動にかかる期間に前記所定の分割数から１引いた回数を掛けた期間とを足した期間であることを特徴とするものである。

A display device according to the present invention includes a display unit that displays an image, an infrared sensor having a light receiving range with a gap, a drive unit that rotationally drives the infrared sensor, and the presence or absence of a human body from the output of the infrared sensor. The determination unit is configured to cause the drive unit to rotationally drive the infrared sensor by a predetermined amount of rotation every time the continuation period in which it is determined that there is no human body from the start of the determination exceeds the first period. The control is repeatedly performed to determine the presence or absence of a human body. When the duration exceeds the second period from the start of the determination, a determination result indicating that no human body exists in the viewing area is output. The predetermined amount of rotation is a rotation amount based on a width obtained by equally dividing the width of the gap in the rotation direction by a predetermined number of divisions, and the second period includes the first period. Said predetermined period Those wherein the period multiplied by the number number of the split, that is a period plus the period multiplied by the number of times said 1 minus the predetermined division number in the period according to the rotation of the predetermined amount of rotation is there.

Claims

A display unit for displaying images;
An infrared sensor having a light receiving range with a gap;
A drive unit that rotationally drives the infrared sensor;
The presence or absence of a human body is determined from the output of the infrared sensor, and each time the duration determined that there is no human body from the start of the determination exceeds a first period, the infrared ray is sent to the drive unit. Performing control to rotate the sensor for a predetermined amount of rotation, repeatedly determining the presence or absence of a human body, and when the duration exceeds the second period from the start of the determination,
A presence determination unit that outputs a determination result indicating that no human body exists in the viewing area ,
The predetermined rotation amount is a rotation amount based on a width obtained by equally dividing the width of the gap in the rotation direction by a predetermined number of divisions,
The second period is a period obtained by multiplying the first period by the number of times of the predetermined number of divisions, and a period required for rotational driving of the predetermined amount of rotation by the number of times obtained by subtracting 1 from the predetermined number of divisions. A display device characterized in that the display period is a period that is added to the period .

The display device according to claim 1, wherein the driving unit rotationally drives the rotation axis of the infrared sensor with two axes of a substantially horizontal direction and a substantially vertical direction of the infrared sensor.

The presence determination unit stops the determination during a period in which the driving unit rotates the infrared sensor, and restarts the determination when the driving unit stops rotating the infrared sensor. The display device according to claim 1 , wherein the display device is characterized.

The infrared sensor has the gap so that the detection areas are two-dimensionally arranged, and the gap is provided to be inclined at a predetermined angle with respect to the ground. The display device according to claim 3 .

The infrared sensor is provided with a light receiving surface in the same direction as the display surface of the display unit,
The drive unit, a display device according to any one of claims 1 to 4, characterized in that for rotating the said infrared sensor and the display unit at the same rotational amount.

The resident determination unit makes the display unit disappear when the continuation period exceeds a third period longer than the second period from the start of the determination. The display device according to claim 5 .

The presence determination unit displays a predetermined image on the display unit when the continuation period exceeds a fourth period that is longer than the second period from the start of the determination. display device according to any one of claims 1 to 6.

An infrared sensor having a light receiving range with a gap;
A drive unit that rotationally drives the infrared sensor;
The presence or absence of a human body is determined from the output of the infrared sensor, and each time the duration determined that there is no human body from the start of the determination exceeds a first period, the infrared ray is sent to the drive unit. When the sensor is controlled to rotate the sensor by a predetermined amount of rotation, the presence / absence of a human body is repeatedly determined. When the duration exceeds the second period from the start of the determination, the human body is detected in the detection area. A presence determination unit that outputs a determination result indicating that the
The predetermined rotation amount is a rotation amount based on a width obtained by equally dividing the width of the gap in the rotation direction by a predetermined number of divisions,
The second period is a period obtained by multiplying the first period by the number of times of the predetermined number of divisions, and a period required for rotational driving of the predetermined amount of rotation by the number of times obtained by subtracting 1 from the predetermined number of divisions. A human body detection apparatus characterized by being a period that is added to the period .