JP2000180955A5 - Projector device - Google Patents

Projector device Download PDF

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Publication number
JP2000180955A5
JP2000180955A5 JP1998354728A JP35472898A JP2000180955A5 JP 2000180955 A5 JP2000180955 A5 JP 2000180955A5 JP 1998354728 A JP1998354728 A JP 1998354728A JP 35472898 A JP35472898 A JP 35472898A JP 2000180955 A5 JP2000180955 A5 JP 2000180955A5
Authority
JP
Japan
Prior art keywords
lens
screen
projection
size
focusing lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP1998354728A
Other languages
Japanese (ja)
Other versions
JP2000180955A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP10354728A priority Critical patent/JP2000180955A/en
Priority claimed from JP10354728A external-priority patent/JP2000180955A/en
Publication of JP2000180955A publication Critical patent/JP2000180955A/en
Publication of JP2000180955A5 publication Critical patent/JP2000180955A5/en
Pending legal-status Critical Current

Links

Description

【特許請求の範囲】
【請求項1】
合焦レンズおよび変倍レンズを有する投影光学系と、
投影画面のサイズを設定する設定手段と、
前記設定手段により設定された投影画面のサイズに適合するように、前記合焦レンズの位置に応じて前記変倍レンズの位置を調整する制御手段と
することを特徴とするプロジェクタ装置。
【請求項2】
前記合焦レンズの位置を検出する位置検出手段を有し、前記制御手段は、前記位置検出手段により検出された合焦レンズの位置に応じて前記変倍レンズの位置を調整することを特徴とする請求項1に記載のプロジェクタ装置。
[Claims]
[Claim 1]
A projection optical system with a focusing lens and a variable magnification lens,
Setting means for setting the size of the projection screen and
To fit the size of the projection screen that is set by the setting unit, a projector apparatus which is characterized in that chromatic and control means for adjusting the position of the variable power lens according to the position of the focusing lens.
2.
It has a position detecting means for detecting the position of the focusing lens, and the control means adjusts the position of the variable magnification lens according to the position of the focusing lens detected by the position detecting means. The projector device according to claim 1.

【0001】
【発明の属する技術分野】
本発明は、投影距離が異なっても常にスクリーンの大きさに適合した画角で投影するのに便利なズームレンズの駆動手段を有するプロジェクタ装置関する。
[0001]
[Technical field to which the invention belongs]
The present invention relates to a projector device having a driving means convenient zoom lens for projection in an angle of view be different projection distance always adapted to the size of the screen.

本発明の目的は、このような従来技術の問題点に鑑み、プロジェクタ装置おいて、スクリーンに適合した投影状態を容易に得られるようにすることにある。 SUMMARY OF THE INVENTION In view of such problems of the prior art, Oite the projector device, is to make it easily obtain the the projection state adapted to the screen.

【0005】
【課題を解決するための手段】
この目的を達成するため、本発明のプロジェクタ装置は、合焦レンズおよび変倍レンズを有する投影光学系と、投影画面のサイズを設定する設定手段と、前記設定手段により設定された投影画面のサイズに適合するように、前記合焦レンズの位置に応じて前記変倍レンズの位置を調整する制御手段とをすることを特徴とする。これによれば、スクリーンに合わせて投影画面のサイズを設定すれば、スクリーンに適合した投影状態が容易に得られる。
0005
[Means for solving problems]
To this end, the projector apparatus of the present invention includes a projection optical system having a focusing lens and zoom lens, and setting means for setting a size of the projection screen, the size of the projected image that has been set by the setting unit to fit, characterized by chromatic and control means for adjusting the position of the variable power lens according to the position of the focusing lens. According to this, if the size of the projection screen is set according to the screen, the projection state suitable for the screen can be easily obtained.

【0007】
【発明の実施の形態】
本発明のプロジェクタ装置の好ましい実施形態においては、前記合焦レンズの位置を検出する位置検出手段を有し、前記制御手段は、前記位置検出手段により検出された合焦レンズの位置に応じて前記変倍レンズの位置を調整する。
0007
BEST MODE FOR CARRYING OUT THE INVENTION
In a preferred embodiment of the projector apparatus of the present invention, has a position detecting means for detecting a position of the focusing lens, said control means, in response to said position of the focusing lens detected by said position detecting means Adjust the position of the variable magnification lens.

【0019】
【発明の効果】
以上説明したように、本発明によれば、合焦レンズおよび変倍レンズを有する投影光学系と、投影画面のサイズを設定する設定手段と、設定手段により設定された投影画面のサイズに適合するように合焦レンズの位置に応じて変倍レンズの位置を調整するようにしたため、スクリーンに適合した投影状態を容易に得ることができる。特に合焦レンズの位置を検出する位置検出手段を儲け、合焦された合焦レンズの位置に応じて、かつ設定された投影画面のサイズに適合するように、変倍レンズの位置を調整するようにした場合、投影距離の変化に拘わらず、スクリーンに投写される映像の画角を一定に維持することができる。
0019
【Effect of the invention】
As described above, according to the present invention, adapted a projection optical system having a focusing lens and zoom lens, the setting means for setting the size of the projection screen, the size of the projected screen that is set by the setting means As described above, since the position of the variable magnification lens is adjusted according to the position of the focusing lens, it is possible to easily obtain a projection state suitable for the screen. In particular , the position detection means for detecting the position of the in-focus lens is profitable, and the position of the variable magnification lens is adjusted according to the position of the in-focus lens and to match the set size of the projection screen. If you way, it is possible to maintain despite the change of the projection distance, the angle of view of the image projected on the screen constant.

JP10354728A 1998-12-14 1998-12-14 Projector device and its lens driving device Pending JP2000180955A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10354728A JP2000180955A (en) 1998-12-14 1998-12-14 Projector device and its lens driving device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10354728A JP2000180955A (en) 1998-12-14 1998-12-14 Projector device and its lens driving device

Publications (2)

Publication Number Publication Date
JP2000180955A JP2000180955A (en) 2000-06-30
JP2000180955A5 true JP2000180955A5 (en) 2006-02-02

Family

ID=18439514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10354728A Pending JP2000180955A (en) 1998-12-14 1998-12-14 Projector device and its lens driving device

Country Status (1)

Country Link
JP (1) JP2000180955A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114071097A (en) * 2020-07-30 2022-02-18 青岛海信激光显示股份有限公司 Projection apparatus control method, projection apparatus, and computer storage medium
CN114500962B (en) * 2020-10-26 2023-06-16 成都极米科技股份有限公司 Projection control method, apparatus, projection device, and computer-readable storage medium

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