JP2005156747A - Projector device and program therefor - Google Patents
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- JP2005156747A JP2005156747A JP2003392881A JP2003392881A JP2005156747A JP 2005156747 A JP2005156747 A JP 2005156747A JP 2003392881 A JP2003392881 A JP 2003392881A JP 2003392881 A JP2003392881 A JP 2003392881A JP 2005156747 A JP2005156747 A JP 2005156747A
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Abstract
Description
本発明はプロジェクタ装置に関し、特に、電源オフ時に筐体の移動を検知するプロジェクタ装置およびこのプログラムに関する。 The present invention relates to a projector device, and more particularly, to a projector device that detects movement of a casing when the power is turned off, and a program therefor.
近年、この種のプロジェクタ装置では、電源オフ時にプロジェクタ装置の投射条件（例えば、投射時における台形歪補正やフォーカス、ズーム情報など）をフラッシュメモリなどに記録し、電源オン時には記録された情報に従って電源オフ以前の設定状態に戻す機能（ラストメモリー機能と呼ぶ）を備えるプロジェクタ装置は多々存在する。すなわち、これらはプロジェクタ装置の電源をオンにしたときに投射条件を呼び戻すことで、電源オフ以前と同じ条件でスクリーンに投射するというものである。 In recent years, this type of projector apparatus records the projection conditions of the projector apparatus (for example, keystone distortion correction, focus, zoom information, etc. at the time of projection) in a flash memory or the like when the power is turned off, and supplies power according to the recorded information when the power is turned on. There are many projector apparatuses that have a function of returning to a setting state before turning off (referred to as a last memory function). In other words, these are projections on the screen under the same conditions as before the power-off by recalling the projection conditions when the power of the projector device is turned on.
ここで、図３を参照して従来のプロジェクタ装置の一例について説明すると、プロジェクタ装置１０において、外部からプロジェクタ装置１０本体に対して加えられた振動の加速度を、各脚部１１に対応する加速度センサー１２で検出し、演算部１３においてこの検出を打ち消すための各脚部の伸縮量を演算して、この演算結果の電気信号を各脚部のアクチュエータ１４にそれぞれ出力する。アクチュエータ１４は、入力された電気信号に基づいて、それぞれ所定分だけ脚部を上下方向に伸縮させている。これにより、プロジェクタ装置１０本体の姿勢が維持されるから、振動が加えられても投射画像を常に一定の位置に維持でき、投射画像を正しく表示できるというものがある（例えば、特開２００３−１４９７２９号公報を参照。）。
Here, an example of a conventional projector device will be described with reference to FIG. 3. In the
しかしながら、これら従来のプロジェクタ装置では、電源オフ時にプロジェクタ装置に何が起こったかまでは監視していない。このため、例えば、ある会議においてプロジェクタ装置を用いた場合に、会議が終わってプロジェクタ装置の電源を切り、その後、別の部屋でこのプロジェクタ装置を使用する場合には、電源オフ時に記録された投射情報が呼び出されるため、投射条件の異なる別の部屋では却って投射映像が見難くなるという場合が多々あった。 However, these conventional projector devices do not monitor what has happened to the projector device when the power is turned off. Therefore, for example, when a projector device is used in a certain conference, the projector device is turned off after the conference is finished, and then the projector device is used in another room. Since the information is called up, there are many cases where it is difficult to see the projected image in another room with different projection conditions.
本発明の目的は、かかる課題に鑑みてなされたもので、電源オフ後にプロジェクタ装置を別の場所に移動させた場合でも、使い勝手のよいプロジェクタ装置を提供することにある。 An object of the present invention is to provide a projector device that is easy to use even when the projector device is moved to another place after the power is turned off.
本発明は、映像をスクリーンに投射して再現するプロジェクタ装置であって、電源ＯＦＦ時前の投射情報を記録する記憶手段と、前記プロジェクタ装置の移動の有無を検知する移動検知素子とを備えることを特徴とする。 The present invention is a projector device that projects and reproduces an image on a screen, and includes a storage unit that records projection information before the power is turned off, and a movement detection element that detects whether or not the projector device has moved. It is characterized by.
前記移動検知素子は、加速度センサーよりなり、かつ電源ＯＦＦ時に作動させるためのバックアップ電源を備えることを特徴とする。 The movement detection element includes an acceleration sensor and includes a backup power source that is activated when the power is turned off.
前記移動検知素子が、電源ＯＦＦ時の間にプロジェクタ装置の移動を検知した場合は、次回の電源ＯＮ時には前記記憶手段に記録された前記投射情報を用いないようしたことを特徴とする。 When the movement detecting element detects the movement of the projector device while the power is off, the projection information recorded in the storage means is not used when the power is turned on next time.
前記移動検知素子が、電源ＯＦＦ時の間にプロジェクタ装置の移動を検知したときは、次の電源ＯＮ時には前記投射情報として初期設定値を用いるようしたことを特徴とする。 When the movement detecting element detects the movement of the projector device when the power is turned off, an initial setting value is used as the projection information when the power is turned on next time.
また、前記移動検知素子から得た前記プロジェクタ装置の位置情報を記憶する位置記憶手段を備え、電源ＯＦＦ時に記録した前記位置情報と、次の電源ＯＮ時の前記位置情報とを比較し、これが異なるときは、前記電源ＯＦＦ時前の投射情報を用いないようにしたことを特徴とする。 Further, a position storage means for storing the position information of the projector device obtained from the movement detection element is provided, and the position information recorded when the power is turned off is compared with the position information when the power is turned on next time, which is different. In this case, the projection information before the power is turned off is not used.
以下の処理をプロジェクタ装置に行わせるプログラムを含むことを特徴とする。
（１）プロジェクタ装置の電源をＯＦＦにすると、今まで使用していた投射情報を記憶手段に書き込むステップ
（２）プロジェクタ装置の電源がＯＦＦとなっている間、移動検知素子がプロジェクタ装置の移動の有無を検出し続けるステップ
（３）プロジェクタ装置の移動が検出されないまま電源がＯＮになると、前記記憶手段に書き込まれた電源ＯＦＦ以前の前記投射情報を設定するステップ
（４）プロジェクタ装置の移動が検出された後に電源がＯＮになると、前記投射情報の設定を工場出荷時の初期値に戻すステップ
A program for causing the projector apparatus to perform the following processing is included.
(1) When the projector apparatus is turned off, the step of writing the projection information used so far into the storage means (2) While the projector apparatus is turned off, the movement detecting element Step of continuing to detect presence / absence (3) When the power is turned on without detecting the movement of the projector device, the step of setting the projection information written in the storage means before the power is turned off (4) The movement of the projector device is detected The projection information setting is reset to the factory default when the power is turned on after
本発明のプロジェクタ装置は、電源ＯＦＦ時でも内蔵されたバッテリーで常時作動が可能な移動検知素子を備えているため、プロジェクタ装置の電源ＯＦＦ後であっても、プロジェクタ装置の移動の有無を検知し、もしもプロジェクタ装置を移動させた場合、次の電源ＯＮ時には、プロジェクタ装置を以前の投射条件を設定するのではなく初期設定に戻すようにした。これにより、新規の設定が結果として容易になり、使い勝手がよくなるという効果がある。 Since the projector device of the present invention includes a movement detecting element that can always operate with a built-in battery even when the power is turned off, the projector device detects whether or not the projector device has moved even after the projector device is turned off. If the projector device is moved, when the power is turned on next time, the projector device is returned to the initial setting instead of setting the previous projection condition. As a result, there is an effect that the new setting becomes easy as a result and the usability is improved.
次に、本発明について図面を参照して詳細に説明する。図１は、本発明の実施の形態を示す図である。図１を参照すると、まず、本実施例では、プロジェクタ装置１には、スクリーンに画像を投射する投射レンズ２と、プロジェクタ装置１の移動を検知する移動検知素子３と、プロジェクタ装置の投射条件（例えば、投射の台形歪補正やズーム、フォーカスなど）の情報が書き込まれる記憶部、例えば、フラッシュメモリ（図示せず）とを備えている。なお、記憶部への情報の記録および呼び出しの技術については公知であるので、ここでは言及しない。 Next, the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing an embodiment of the present invention. Referring to FIG. 1, first, in the present embodiment, the projector device 1 includes a projection lens 2 that projects an image on a screen, a movement detection element 3 that detects movement of the projector device 1, and a projection condition ( For example, a storage unit, for example, a flash memory (not shown) in which information of trapezoidal distortion correction, zoom, focus, etc.) is written is provided. In addition, since the technique of recording and calling information in the storage unit is well known, it will not be mentioned here.
本実施の形態のプロジェクタ装置では、移動検知素子３として、加速度センサー（Ｇセンサー）が用いられているが、この移動検知素子３は電源ＯＦＦ時におけるプロジェクタ装置の移動の有無を検出するため、常時作動させておく必要がある。このため、プロジェクタ装置にはバックアップ電源（例えば、充電可能な電池やコンデンサなど）を内蔵しており、これによって移動検知素子３は常時作動状態となる。 In the projector apparatus according to the present embodiment, an acceleration sensor (G sensor) is used as the movement detection element 3. However, the movement detection element 3 always detects whether the projector apparatus has moved when the power is turned off. It must be activated. For this reason, the projector apparatus has a built-in backup power source (for example, a rechargeable battery or a capacitor), so that the movement detecting element 3 is always in an operating state.
続いて、本実施の形態の動作について説明する。図２は、本実施の形態の動作の流れを説明するフローチャートである。 Subsequently, the operation of the present embodiment will be described. FIG. 2 is a flowchart for explaining the operation flow of the present embodiment.
図２を参照すると、まず、プロジェクタ装置の電源をＯＦＦにすると、この装置に内蔵されているフラッシュメモリには、今まで使っていた投射条件などの設定情報が書き込まれる（ステップ１）。なお、このときに書き込まれる情報の種類についてはここでは言及しない。その後電源がＯＦＦとなる（ステップ２）。電源がＯＦＦとなっている間、移動検知素子がプロジェクタ装置の移動の有無を検出し続ける（ステップ３）。 Referring to FIG. 2, first, when the power of the projector apparatus is turned off, setting information such as the projection conditions used so far is written in the flash memory built in the apparatus (step 1). The type of information written at this time will not be mentioned here. Thereafter, the power is turned off (step 2). While the power is off, the movement detection element continues to detect the presence or absence of movement of the projector device (step 3).
ここで、プロジェクタ装置の移動がないまま電源がＯＮになると（ステップ４）、先にフラッシュメモリに書き込まれた投射情報を読み出し、それに従って設定し電源ＯＦＦ以前の投射状態を再現する（ステップ５）。 Here, when the power is turned on without any movement of the projector device (step 4), the projection information previously written in the flash memory is read, set according to it, and the projection state before the power is turned off is reproduced (step 5). .
一方、プロジェクタ装置の移動が検出された後に電源がＯＮになると（ステップ６）、プロジェクタ装置の投射情報の設定は、工場出荷時の初期値に戻される（ステップ７）。つまり、移動後に電源ＯＮの場合には、電源ＯＦＦ時に記録された内容を設定せずに初期値を設定する。 On the other hand, when the power is turned on after the movement of the projector device is detected (step 6), the setting of the projection information of the projector device is returned to the factory default value (step 7). That is, when the power is turned on after movement, the initial value is set without setting the contents recorded when the power is turned off.
次に、本発明の別の実施の形態について説明する。これは、移動検知素子から得た位置情報を記憶する位置記憶手段を備えており、この位置記憶手段にプロジェクタ装置の電源ＯＦＦ時の位置情報を記録しておく。そして、次の電源ＯＮ時には、この電源ＯＮ時の位置情報と記録しておいた電源ＯＦＦ時の位置情報とを比較する。 Next, another embodiment of the present invention will be described. This includes position storage means for storing position information obtained from the movement detection element, and position information when the projector apparatus is turned off is recorded in this position storage means. When the power is turned on next time, the position information at the time of turning on the power is compared with the recorded position information at the time of turning off the power.
ここで比較の結果、位置情報が異なるとき、すなわち、電源ＯＦＦ後にプロジェクタ装置の移動があったとき、次に電源がＯＮになると、プロジェクタ装置は先に記録されていた投射情報を設定せずに初期値を設定するというものである。これにより、先に説明した実施形態と同様の効果を得ることができる。 As a result of the comparison, when the position information is different, that is, when the projector apparatus moves after the power is turned off, the projector apparatus does not set the previously recorded projection information when the power is turned on next time. The initial value is set. Thereby, the same effect as the embodiment described above can be obtained.
電源ＯＦＦ後における装置の移動の有無を検知するので、移動可能な装置や機器等の設定に適用可能である。 Since the presence or absence of movement of the apparatus after the power is turned off is detected, the present invention can be applied to the setting of movable apparatuses and devices.
１，１０ プロジェクタ装置
２ 投射レンズ
３ 移動検知素子
１１ 脚部
１２ 加速度センサー
１３ 演算部
１４ アクチュエータ
DESCRIPTION OF
Claims (7)
（１）プロジェクタ装置の電源をＯＦＦにすると、今まで使用していた投射情報を記憶手段に書き込むステップ
（２）プロジェクタ装置の電源がＯＦＦとなっている間、移動検知素子がプロジェクタ装置の移動の有無を検出し続けるステップ
（３）プロジェクタ装置の移動が検出されないまま電源がＯＮになると、前記記憶手段に書き込まれた電源ＯＦＦ以前の前記投射情報を設定するステップ
（４）プロジェクタ装置の移動が検出された後に電源がＯＮになると、前記投射情報の設定を工場出荷時の初期値に戻すステップ
A program for causing a projector device to perform the following processing.
(1) When the projector apparatus is turned off, the step of writing the projection information used so far into the storage means (2) While the projector apparatus is turned off, the movement detecting element Step of continuing to detect presence / absence (3) When the power is turned on without detecting the movement of the projector device, the step of setting the projection information written in the storage means before the power is turned off (4) The movement of the projector device is detected The projection information setting is reset to the factory default when the power is turned on after
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| JP2003392881A JP3781748B2 (en) | 2003-11-21 | 2003-11-21 | Projector device and program thereof |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007214752A (en) * | 2006-02-08 | 2007-08-23 | Matsushita Electric Ind Co Ltd | Method for automatically adjusting trapezoidal distortion of projector |
| JP2010278840A (en) * | 2009-05-29 | 2010-12-09 | Seiko Epson Corp | Projector and control method thereof |
| JP2011155340A (en) * | 2010-01-26 | 2011-08-11 | Seiko Epson Corp | Projector and image projecting method |
| US8159760B2 (en) | 2008-08-19 | 2012-04-17 | Seiko Epson Corporation | Projector and control method of projector |
| US8286259B2 (en) | 2006-10-30 | 2012-10-09 | Nec Display Solutions, Ltd. | Network projector including a display signal control unit, and projector system including the network projector |
| US10412335B2 (en) | 2017-03-23 | 2019-09-10 | Seiko Epson Corporation | Display apparatus and method for controlling display apparatus |
| US10623684B2 (en) | 2017-04-27 | 2020-04-14 | Seiko Epson Corporation | Display device, and method of controlling display device |
-
2003
- 2003-11-21 JP JP2003392881A patent/JP3781748B2/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007214752A (en) * | 2006-02-08 | 2007-08-23 | Matsushita Electric Ind Co Ltd | Method for automatically adjusting trapezoidal distortion of projector |
| JP4692309B2 (en) * | 2006-02-08 | 2011-06-01 | パナソニック株式会社 | Automatic keystone distortion adjustment method for projectors |
| US8286259B2 (en) | 2006-10-30 | 2012-10-09 | Nec Display Solutions, Ltd. | Network projector including a display signal control unit, and projector system including the network projector |
| US8159760B2 (en) | 2008-08-19 | 2012-04-17 | Seiko Epson Corporation | Projector and control method of projector |
| JP2010278840A (en) * | 2009-05-29 | 2010-12-09 | Seiko Epson Corp | Projector and control method thereof |
| CN103365058A (en) * | 2009-05-29 | 2013-10-23 | 精工爱普生株式会社 | Projector and control method thereof |
| JP2011155340A (en) * | 2010-01-26 | 2011-08-11 | Seiko Epson Corp | Projector and image projecting method |
| US10412335B2 (en) | 2017-03-23 | 2019-09-10 | Seiko Epson Corporation | Display apparatus and method for controlling display apparatus |
| US10623684B2 (en) | 2017-04-27 | 2020-04-14 | Seiko Epson Corporation | Display device, and method of controlling display device |
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| Publication number | Publication date |
|---|---|
| JP3781748B2 (en) | 2006-05-31 |
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