Projection apparatus and image blue preventive control method for projection apparatus

A projection device and image technology, applied in the direction of using projection device image reproducer, projection device, printing device, etc., can solve the problems of discomfort for the audience, vibration amplification of the main body of the device, and the influence of shaking of the ceiling or wall, etc.

Active Publication Date: 2011-07-27
SEIKO EPSON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, if it is a fixed setting, there is no need to worry about image shaking, but in fact, even if it is a fixed setting, the vibration effect on the main body of the device will be large, and the image will shake and make the viewer feel uncomfortable
Susceptible to ceiling or wall shaking, especially in suspended settings
In order to prevent this situation, it is necessary to strengthen the ceiling, wall and installation metal fittings around the installation position of the projection device, but this will cost a lot of money
In addition, when the installation metal fitting includes a rod-shaped member (pipe), since the projection device is fixed at the end, even if the ceiling or the wall shakes slightly, the device body will vibrate through the rod-shaped member. magnified
Therefore, it is impossible to completely prevent image shake caused by vibration even if a large amount of expense is spent on installation construction

Method used

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  • Projection apparatus and image blue preventive control method for projection apparatus
  • Projection apparatus and image blue preventive control method for projection apparatus
  • Projection apparatus and image blue preventive control method for projection apparatus

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no. 1 Embodiment approach

[0046] Hereinafter, the projection device (projector 10 ) and the image blur prevention control method of the projection device according to the first embodiment of the present invention will be described with reference to the drawings. figure 1 is a block diagram showing the configuration of the projector 10 . As shown in this figure, the projector 10 has: an image signal input unit 11, an operation panel 12, a remote control light receiving unit 13, a vibration sensor 14 (vibration detection unit), a control unit 15, a storage unit 16, an image processing unit 17, a bus 18 and projection optical system 20.

[0047] The image signal input unit 11 has a plurality of image input terminals for inputting various image signals from an external device 30 such as a personal computer or a video player. The operation panel 12 has a button group provided on the main body of the projector 10 for performing various operations. The button group includes a menu button for displaying an e...

no. 2 Embodiment approach

[0070] Next, refer to Figure 5 A second embodiment of the present invention will be described. In the above-described embodiment, the image blur prevention control is performed on the projection optical systems 20 and 50 , but the present embodiment is different in that the image blur prevention control is performed on the image processing unit 17 . Hereinafter, only differences from the first embodiment will be described. In addition, in this embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and detailed description thereof will be omitted. In addition, the modification examples applied to the first embodiment are similarly applied to the present embodiment with respect to the same structural parts as those of the first embodiment.

[0071] Figure 5 It is a block diagram showing the configuration of the projector 10 according to the second embodiment. Compared with the first embodiment, the projector 10 of this ...

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Abstract

The invention discloses a projection apparatus and an image blue preventive control method for projection apparatus. The projection apparatus includes: a projection system (20) which projects an image; a vibration detecting unit (14) which detects vibration given to the main body of the apparatus; an installation condition determining unit (15a) which determines the installation condition of the main body of the apparatus; and an image blur preventive control unit (15b) which performs image blur preventive control for preventing blurring of the image caused by the vibration detected by the vibration detecting unit based on the vibration, wherein the image blur preventive control unit performs the image blur preventive control in accordance with the installation condition determined by the installation condition determining unit.

Description

technical field [0001] The present invention relates to a projection device for projecting an image on a screen and an image shake prevention control method for the projection device. Background technique [0002] Conventionally, in a projection device (projector), there is known a technology that detects hand shake and performs image correction based on the amount of the hand shake (for example, Patent Document 1). With this configuration, the projection device prevents disturbance of a projected image (image shake) caused by shaking of hands when the projection device is held by hand for projection. [0003] Patent Document 1: WO2005 / 083507 Publication [0004] In addition, projection devices are generally of the type used in a fixed setting, rather than the above-mentioned hand-held type. In addition, in the case of a fixed installation, it also includes a normal installation arranged on a desk or the like, and a hanging installation suspended from a ceiling or a wall. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03B21/00G03B21/14H04N9/31G02B27/64
CPCH04N9/3197G03B2205/0007G02B27/646G03B2217/005H04N9/3194G03B21/14H04N9/3185G03B5/02G03B21/145
Inventor 深泽修
Owner SEIKO EPSON CORP
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