WO2011121708A1 - Projector and image position setting method - Google Patents
Projector and image position setting method Download PDFInfo
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- WO2011121708A1 WO2011121708A1 PCT/JP2010/055598 JP2010055598W WO2011121708A1 WO 2011121708 A1 WO2011121708 A1 WO 2011121708A1 JP 2010055598 W JP2010055598 W JP 2010055598W WO 2011121708 A1 WO2011121708 A1 WO 2011121708A1
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- light
- distance
- projection
- transmitter
- image
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/142—Adjusting of projection optics
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/005—Projectors using an electronic spatial light modulator but not peculiar thereto
- G03B21/006—Projectors using an electronic spatial light modulator but not peculiar thereto using LCD's
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/26—Projecting separately subsidiary matter simultaneously with main image
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Projection Apparatus (AREA)
- Automatic Focus Adjustment (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
Description
超音波受信部104と位置Tと位置Pで形成される直角三角形より、y2+(x-D)2 = Ta2 …(1)。
超音波受信部105と位置Tと位置Pで形成される直角三角形より、y2+(x+D)2 = Tb2 …(2)。 In FIG. 4, when the position T of the
From the right triangle formed by the
From the right triangle formed by the
α=90-θ …(5) Further, an inclination angle α formed by a straight line B passing through the positions of the
α = 90−θ (5)
101 生成部
101a 液晶パネル
101b 光源
102 投写レンズ
103 赤外線受光部
104 超音波受信部
105 超音波受信部
106 距離算出部
107 レンズシフト機構
108 制御部
200 ポインティングデバイス
200a 発信器
201 スイッチ
202 赤外線発光部
203 超音波発生部 DESCRIPTION OF
Claims (8)
- 特定光を発生する発光手段および音波を発信する発信手段を含む発信器と、組み合わせて使用されるプロジェクタであって、
画像を表す画像光を生成する生成手段と、
前記画像光を、投写位置をシフト可能に投写する投写レンズと、
前記特定光を受光する受光手段と、
互いに離れて配置され、前記音波を受信する第1受信手段および第2受信手段と、
前記受光手段での前記特定光の受光時刻と、前記第1受信手段および第2受信手段の各々での前記音波の受信時刻と、に基づいて、前記発信器が前記画像光の中心に位置するように前記投写レンズに投写位置をシフトさせる制御手段と、を有するプロジェクタ。 A projector used in combination with a transmitter including a light emitting means for generating specific light and a transmitter for transmitting sound waves,
Generating means for generating image light representing an image;
A projection lens that projects the image light so that the projection position can be shifted; and
A light receiving means for receiving the specific light;
A first receiving means and a second receiving means which are arranged apart from each other and receive the sound wave;
The transmitter is positioned at the center of the image light based on the light reception time of the specific light at the light receiving means and the reception time of the sound wave at each of the first receiving means and the second receiving means. And a control means for shifting the projection position of the projection lens. - 請求項1に記載のプロジェクタにおいて、
前記制御手段は、
前記受光手段での前記特定光の受光時刻と、前記第1受信手段および第2受信手段の各々での前記音波の受信時刻と、に基づいて、前記発信器と前記第1受信手段との第1距離と、前記発信器と前記第2受信手段との第2距離と、を算出する算出手段と、
前記第1距離と前記第2距離に基づいて、前記投写レンズと前記発信器とを通る直線が予め定められた投写基準軸に対して成す傾き角度を求め、前記投写レンズを制御して、前記投写レンズの中心点と投写画像の中心を結ぶ線が前記投写基準軸に対して成す角度を前記傾き角度に設定する設定手段と、を有するプロジェクタ。 The projector according to claim 1, wherein
The control means includes
Based on the light reception time of the specific light at the light reception means and the reception time of the sound wave at each of the first reception means and the second reception means, the first of the transmitter and the first reception means. Calculating means for calculating one distance and a second distance between the transmitter and the second receiving means;
Based on the first distance and the second distance, an inclination angle formed by a straight line passing through the projection lens and the transmitter with respect to a predetermined projection reference axis is determined, and the projection lens is controlled, A setting unit configured to set, as the tilt angle, an angle formed by a line connecting the center point of the projection lens and the center of the projection image with respect to the projection reference axis; - 請求項2に記載のプロジェクタにおいて、
前記設定手段は、前記第1距離と前記第2距離に基づいて前記発信器の位置を特定し、前記投写レンズと前記発信器の位置を通る直線が前記投写基準軸に対して成す傾き角度を求める、プロジェクタ。 The projector according to claim 2,
The setting means specifies the position of the transmitter based on the first distance and the second distance, and sets an inclination angle formed by a straight line passing through the projection lens and the position of the transmitter with respect to the projection reference axis. Seeking a projector. - 請求項2に記載のプロジェクタにおいて、
前記設定手段は、前記第1距離と前記第2距離との差を算出し、当該差に基づいて前記傾き角度を求める、プロジェクタ。 The projector according to claim 2,
The projector is configured to calculate a difference between the first distance and the second distance and obtain the tilt angle based on the difference. - 特定光を発生する発光手段および音波を発信する発信手段を含む発信器と組み合わせて使用され、画像光を、投写位置をシフト可能に投写する投写レンズと、前記特定光を受光する受光手段と、互いに離れて配置され、前記音波を受信する第1受信手段および第2受信手段とを有するプロジェクタでの画像位置設定方法であって、
前記受光手段での前記特定光の受光時刻と、前記第1受信手段および第2受信手段の各々での前記音波の受信時刻と、に基づいて、前記発信器が前記画像光の中心に位置するように前記投写レンズに投写位置をシフトさせる制御を行う画像位置設定方法。 A projection lens that is used in combination with a light emitting unit that generates specific light and a transmitter including a transmission unit that transmits sound waves, and projects image light so that the projection position can be shifted; and a light receiving unit that receives the specific light; An image position setting method in a projector having a first receiving unit and a second receiving unit that are arranged apart from each other and receive the sound wave,
The transmitter is positioned at the center of the image light based on the light reception time of the specific light at the light receiving means and the reception time of the sound wave at each of the first receiving means and the second receiving means. An image position setting method for controlling the projection lens to shift the projection position as described above. - 請求項5に記載の画像位置設定方法において、
前記制御を行うことは、
前記受光手段での前記特定光の受光時刻と、前記第1受信手段および第2受信手段の各々での前記音波の受信時刻と、に基づいて、前記発信器と前記第1受信手段との第1距離と、前記発信器と前記第2受信手段との第2距離と、を算出し、
前記第1距離と前記第2距離に基づいて、前記投写レンズと前記発信器とを通る直線が予め定められた投写基準軸に対して成す傾き角度を求め、
前記投写レンズを制御して、前記投写レンズの中心点と投写画像の中心を結ぶ線が前記投写基準軸に対して成す角度を前記傾き角度に設定すること、を有する画像位置設定方法。 The image position setting method according to claim 5,
Performing the control includes
Based on the light reception time of the specific light at the light reception means and the reception time of the sound wave at each of the first reception means and the second reception means, the first of the transmitter and the first reception means. 1 distance and a second distance between the transmitter and the second receiving means are calculated,
Based on the first distance and the second distance, an inclination angle formed by a straight line passing through the projection lens and the transmitter with respect to a predetermined projection reference axis is determined;
An image position setting method comprising: controlling the projection lens to set an angle formed by a line connecting a center point of the projection lens and a center of a projection image with respect to the projection reference axis as the tilt angle. - 請求項6に記載の画像位置設定方法において、
前記生成することは、前記第1距離と前記第2距離に基づいて前記発信器の位置を特定し、前記投写レンズと前記発信器の位置を通る直線が前記投写基準軸に対して成す傾き角度を求める、画像位置設定方法。 The image position setting method according to claim 6,
The generating includes specifying a position of the transmitter based on the first distance and the second distance, and an inclination angle formed by a straight line passing through the position of the projection lens and the transmitter with respect to the projection reference axis. Image position setting method. - 請求項6に記載の画像位置設定方法において、
前記生成することは、前記第1距離と前記第2距離との差を算出し、当該差に基づいて前記傾き角度を求める、画像位置設定方法。 The image position setting method according to claim 6,
The generating is an image position setting method in which a difference between the first distance and the second distance is calculated, and the tilt angle is obtained based on the difference.
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JP2012507938A JP5517225B2 (en) | 2010-03-29 | 2010-03-29 | Projector and image position setting method |
PCT/JP2010/055598 WO2011121708A1 (en) | 2010-03-29 | 2010-03-29 | Projector and image position setting method |
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PCT/JP2010/055598 WO2011121708A1 (en) | 2010-03-29 | 2010-03-29 | Projector and image position setting method |
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Cited By (2)
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JP2015025564A (en) * | 2013-07-24 | 2015-02-05 | パナソニック株式会社 | Air conditioner |
CN110769236A (en) * | 2019-09-30 | 2020-02-07 | 深圳市火乐科技发展有限公司 | Projector with a light source |
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2010
- 2010-03-29 WO PCT/JP2010/055598 patent/WO2011121708A1/en active Application Filing
- 2010-03-29 JP JP2012507938A patent/JP5517225B2/en active Active
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JP2001125740A (en) * | 1999-10-29 | 2001-05-11 | Seiko Epson Corp | Pointing position detector, image display device, presentation system and information storage medium |
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Publication number | Priority date | Publication date | Assignee | Title |
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JP2015025564A (en) * | 2013-07-24 | 2015-02-05 | パナソニック株式会社 | Air conditioner |
CN110769236A (en) * | 2019-09-30 | 2020-02-07 | 深圳市火乐科技发展有限公司 | Projector with a light source |
CN110769236B (en) * | 2019-09-30 | 2021-07-02 | 深圳市火乐科技发展有限公司 | Projector with a light source |
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