WO2018227671A1 - 跟随投影装置及其投影方法 - Google Patents

跟随投影装置及其投影方法 Download PDF

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Publication number
WO2018227671A1
WO2018227671A1 PCT/CN2017/091409 CN2017091409W WO2018227671A1 WO 2018227671 A1 WO2018227671 A1 WO 2018227671A1 CN 2017091409 W CN2017091409 W CN 2017091409W WO 2018227671 A1 WO2018227671 A1 WO 2018227671A1
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Prior art keywords
projection
user
instruction information
projector
mirror
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PCT/CN2017/091409
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English (en)
French (fr)
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高志强
杨伟樑
宁曼莹
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广景视睿科技(深圳)有限公司
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Publication of WO2018227671A1 publication Critical patent/WO2018227671A1/zh

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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/142Adjusting of projection optics
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/28Reflectors in projection beam
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS 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
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens

Definitions

  • the present disclosure relates to the field of projection display, and more particularly to a follow-up projection device and a projection method thereof.
  • a projection device also known as a projector, is a device that can project images or video onto a screen. It is connected to a computer, DVD, BD, game console, DV, etc. through different interfaces to play corresponding video signals.
  • projection equipment has been widely used in homes, offices, schools and entertainment venues.
  • the existing projection devices on the market are mostly fixed, and their functions are single and poorly interactive, which can no longer satisfy the diversified needs of people for projection.
  • projectors that are common on the market are often fixed in a certain orientation in space. When people need to use them, they need to reach the specified location to view the content they are serving. Once the position of the projector changes, it needs to be recalibrated, so its flexibility is small.
  • current projectors generally do not have the function of interacting with the user, but can only play the specified content fixedly.
  • a follow-up projection apparatus comprising: a projector; a cylindrical projection screen; an inductive module disposed on the cylindrical projection screen for acquiring instruction information issued by a user; a mirror disposed on a central axis of the cylindrical projection screen or an axis parallel to the central axis and rotatable about the central axis or axis for reflecting the projected content of the projector onto the cylindrical projection screen a synchronous motor for synchronously rotating the projector and the mirror; and a projection controller for receiving and analyzing instruction information sent by the user collected by the sensing module, determining a projection direction according to the instruction information, and controlling The synchronous motor rotates the projector and the mirror to a position corresponding to the determined projection direction.
  • the projection controller is further configured to determine the projection content according to the instruction information, and control the projector to project the determined projection content. .
  • the sensing module is disposed on an upper edge and/or a lower edge of the cylindrical projection screen.
  • the user's instruction information includes a voice command and/or an infrared command.
  • the determined projection direction corresponds to a projected area of the cylindrical projection screen facing the user.
  • a projection method of the following following projection device comprising: the sensing module collecting instruction information sent by a user; the projection controller receiving and analyzing the instruction information, according to the instruction information The projection direction is determined, and the synchronous motor is controlled to rotate the projector and the mirror to a position corresponding to the determined projection direction.
  • the projection method further comprises: the projection controller determining the projection content according to the instruction information, and controlling the projector to project the determined projection content.
  • determining the projection direction according to the instruction information comprises determining a location where the user is located according to the instruction information, and determining a projection direction according to the location where the user is located.
  • the user's instruction information includes a voice command and/or an infrared command.
  • the determined projection direction corresponds to a projection area facing the user on the cylindrical projection screen.
  • FIG. 1 is a schematic diagram of a following projection device in accordance with an embodiment of the present disclosure
  • FIG. 2 is a schematic view showing a distribution of a sensing module on a projection screen in the following projection device of FIG. 1;
  • FIG. 3 is a flow chart of a projection method of the following projection device as shown in FIG. 1;
  • FIG. 4 is a flowchart of a projection method of a follow projection device according to an embodiment of the present disclosure
  • FIG. 5 is a schematic diagram showing an example of a matching voice instruction in accordance with the present disclosure.
  • Figure 6 is a partially enlarged schematic view showing the time display of the example of Figure 5;
  • FIG. 7 is a flowchart of a projection method of a follow projection device according to another embodiment of the present disclosure.
  • FIG. 1 is a schematic diagram of a follow projection device in accordance with an embodiment of the present disclosure.
  • the following projection device includes: a projector 1 for projecting projection content, a cylindrical projection screen 3, a sensing module 6 disposed on the projection screen 3, and a cylinder disposed on the projection screen 3.
  • the projection controller 5 is configured to receive and analyze the user instruction information obtained by the sensing module 6 (generally, the projection controller 5 receives the user instruction information from the sensing module 6 through a wire connection, but it can also be wirelessly received from the sensing module 6 Receiving user instruction information), determining a projection direction based on the result of the analysis, and controlling the synchronous motor to rotate the projector 1 and the mirror 2 to a position corresponding to the determined projection direction. For example, the projection controller 5 can determine the position of the user based on the result of the analysis, thereby determining the projection direction. Further, the projection controller 5 is also capable of determining the projection content based on the result of the analysis.
  • the sensing module 6 is equally spaced on the upper edge of the projection screen 3.
  • the sensing module can be set according to the size of the projection screen 3: when the projection screen 3 is small in size, the sensing module 6 can be disposed only on the upper edge or the lower edge thereof; when the projection screen 3 is large in volume, it can be in the The sensing module 6 is provided on both the upper and lower edges.
  • the equal spacing setting sensing module 6 is an optimal choice.
  • the projected content 8 transmitted by the projector 1 on the projection screen 3 faces the user 7.
  • the projector 1 can be disposed on the mirror 2 Above, it can also be placed under the mirror 2.
  • the direction in which the projected content is projected onto the appropriate area on the projection screen 3 is the projection direction, and corresponding to the projection direction, the projector 1 is in a certain position, and the mirror 2 is in another determined position, and this The projector 1 projects the projected content onto the mirror 2, and the projected projection content is projected through the mirror 2 into an appropriate area of the projection screen 3.
  • FIG. 3 is a flow chart of a projection method of the following projection device as shown in FIG. 1. As shown in FIG. 3, the projection method includes the following steps:
  • the sensing module acquires a projection indication of the user, and transmits the indication to the projection controller;
  • the projection controller gives the projection content and the projection direction by analyzing and matching the indication
  • the synchronous motor receives the given projection direction, and drives the mirror and the projector to rotate synchronously to a position corresponding to the projection direction;
  • the projector receives the projection content given by the projection controller, and projects according to the projection content;
  • the projected picture projected by the projector is projected onto the projection screen through the mirror.
  • the position of the user can be obtained by analyzing the user's instruction, thereby determining the projection direction accordingly.
  • the sensing module 6 is a voice collection module for collecting voice content and volume.
  • the projection controller 5 includes a voice recognition module and a sound source recognition module.
  • the speech recognition module is operative to identify the speech content and match it to predetermined speech commands to determine the projection content specified by the user.
  • the sound source identification module is configured to determine the sound source position (ie, the location of the user) according to the voice volume, and determine the rotation direction and the rotation angle of the synchronous motor 4 based on the determined sound source position.
  • the projection method includes the following steps:
  • the user issues a voice instruction
  • the sensing module collects voice information of the user, and transmits the information to the projection controller.
  • the projection controller recognizes the voice information and matches the voice instruction, and gives the specified projection content according to the specific voice instruction;
  • the projection controller identifies the location of the user and gives a projection direction
  • the synchronous motor receives the projection direction given by the projection controller, and drives the mirror and the projector to rotate synchronously to a position corresponding to the projection direction;
  • the projector receives the projection content given by the projection controller, and performs projection according to the projection content;
  • the projection picture projected by the projector is projected onto the projection screen through the mirror.
  • the format of the voice command is specified in the system as "time”, “weather”, “calendar”, and the like.
  • the system can recognize these commands and give corresponding projection display contents.
  • the sensing module disposed on the projection screen acquires the voice information and transmits the voice information to the projection controller.
  • the latter analyzes the instruction and finds that it is a time-dependent voice instruction, and accordingly gives the current time information (ie, the projected display content).
  • the projection controller can also determine the sound source position (ie, the location of the user), determine the corresponding projection direction based on the determined sound source position, and control the synchronous motor to project the projection.
  • the instrument and the mirror are rotated to a position corresponding to the determined projection direction.
  • the following projection device projects the current time information in the area of the projection screen facing the user according to the projection content given by the projection controller. "May 23, 2017 17: 54 points.”
  • the sensing module 6 is an infrared sensing module for identifying and acquiring infrared light.
  • the projection controller 5 includes an infrared processing module for analyzing the red light acquired by the infrared sensing module to determine the position of the light source (ie, the location of the user).
  • FIG. 7 is a flowchart of a projection method of a following projection device according to the second embodiment. As shown in FIG. 5, the projection method includes the following steps:
  • the sensing module collects infrared information sent by the user, and transmits the information to the projection controller;
  • the projection controller Based on the infrared information, the projection controller determines a location of the user, and determines a projection direction based on the location of the user;
  • the synchronous motor receives the projection direction given by the projection controller, and drives the mirror and the projector to rotate synchronously to a position corresponding to the projection direction;
  • the projector receives the projection content of the projection controller, and performs projection according to the projection content;
  • the location of the light source ie, the location of the user
  • the infrared light information itself may not contain an instruction regarding the projected content.
  • the projection direction is determined only based on the user's instruction information (i.e., infrared light information).

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

为提高投影的灵活性与互动性,给予用户(7)更好的视觉和操作体验,公开了一种跟随投影装置,其包括:投影仪(1);圆柱形投影屏(3);感应模块(6),其设置在圆柱形投影屏(3)上,用于采集用户(7)发出的指令信息;反射镜(2),其设置在圆柱形投影屏(3)的中心轴线或与中心轴线平行的轴线上,并能围绕中心轴线或轴线转动,用于将投影仪(1)投射的内容反射到圆柱形投影屏(3)上;同步电机(4),其用于同步地转动投影仪(1)与反射镜(2);以及投影控制器(5),其用于接收和分析感应模块(6)采集的用户(7)发出的指令信息,根据指令信息确定投影方向,并控制同步电机(4)将投影仪(1)与反射镜(2)转动到与确定的投影方向对应的位置。也公开了跟随投影装置的投影方法。

Description

跟随投影装置及其投影方法 技术领域
本公开涉及投影显示领域,更具体地,涉及一种跟随投影装置及其投影方法。
背景技术
投影设备又称投影仪,是一种可以将图像或视频投射到幕布上的设备,其通过不同的接口与计算机、DVD、BD、游戏机、DV等相连接而播放相应的视频信号。随着投影技术的不断发展,投影设备已广泛应用于家庭、办公室、学校和娱乐场所。
市场上现有的投影设备多为固定式,其功能单一、互动性差,已不能满足人们对投影的多元化需求。例如,市场上常见的投影仪往往固定在空间某一个方位,当人们需要使用它们时,需要到达指定位置才可以观看它们投放的内容。一旦投影仪的位置发生变化,则其需要得到重新调校,因而其灵活性小。而且,目前的投影仪普遍不具备与用户进行互动的功能,而只能固定播放指定内容。
从而,人们需要一款能够实现多方位投影的、能够与用户进行互动的投影设备。
应当懂得,公开于该背景技术部分的信息仅旨在增加对本公开的总体背景的理解,而不应当被视为承认或以任何形式暗示该信息构成已为本领域一般技术人员所公知的现有技术。
发明内容
根据本公开的一个方面,提供了一种跟随投影装置,该装置包括:投影仪;圆柱形投影屏;感应模块,其设置在该圆柱形投影屏上,用于采集用户发出的指令信息;反射镜,其设置在该圆柱形投影屏的中心轴线或与该中心轴线平行的轴线上,并能围绕该中心轴线或轴线转动,用于将该投影仪投射的内容反射到该圆柱形投影屏上;同步电机,其用于同步地转动该投影仪与该反射镜;以及投影控制器,其用于接收和分析该感应模块采集的用户发出的指令信息,根据该指令信息确定投影方向,并控制该同步电机将该投影仪与该反射镜转动到与确定的投影方向对应的位置。
优选地,该投影控制器还用于根据该指令信息确定投影内容,并控制该投影仪投射该确定的投影内容。。
优选地,该感应模块设置在该圆柱形投影屏的上边沿和/或下边沿。
优选地,该用户的指令信息包括语音指令和/或红外指令。
优选地,该确定的投影方向对应该圆柱形投影屏上的面对该用户的投影区域。
根据本公开的另一个方面,提供了一种前述的跟随投影装置的投影方法,该方法包括:该感应模块采集用户发出的指令信息;该投影控制器接收和分析该指令信息,根据该指令信息确定投影方向,并控制该同步电机将该投影仪与该反射镜转动到与该确定的投影方向对应的位置。
优选地,该投影方法还包括,该投影控制器根据该指令信息确定投影内容,并控制该投影仪投射确定的投影内容。
优选地,根据该指令信息确定投影方向包括,根据该指令信息确定用户所在的位置,并根据用户所在的位置确定投影方向。
优选地,该用户的指令信息包括语音指令和/或红外指令。
优选地,该确定的投影方向对应该圆柱形投影屏上的面对用户的投影区域。
附图说明
为了更清楚地说明本公开实施方式或现有技术中的技术方案,下面将对实施方式或现有技术描述中所需要使用的附图作简单地介绍。显而易见地,下面描述中的附图仅仅描述本公开的一部分实施方式。这些附图对于本公开来说并不是限制性的,而是起示例性的作用。
图1为根据本公开的一个实施方式的跟随投影装置的示意图;
图2为示出图1的跟随投影装置中感应模块在投影屏上的分布的示意图;
图3为如图1中所示的跟随投影装置的投影方法的流程图;
图4为根据本公开的一个实施方式的跟随投影装置的投影方法的流程图;
图5为示出根据本公开的一个匹配语音指令的实例的示意图;
图6为示出图5中实例的时间显示的局部放大示意图;以及
图7为根据本公开的另一个实施方式的跟随投影装置的投影方法的流程图。
具体实施方式
以下,将结合附图,对本公开的具体实施方式进行详细描述。应当理解,所描述的实施方式仅仅是本公开的一部分实施方式,而不是全部的实施方式,且本公开的保护范围并不受这些具体实施方式的限制。基于本公开中的实施方式,本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施形式,都属于本公开保护的范围。
除非另有其它明确表示,否则在整个说明书和权利要求书中,术语“包括”或其变换如“包含”或“包括有”等等将被理解为包括所陈述的元件或组成部分,而并未排除其它元件或其它组成部分。
图1为根据本公开的一个实施方式的跟随投影装置的示意图。如图1所示,该跟随投影装置包括:用于投射投影内容的投影仪1、圆柱形投影屏3、设置在该投影屏3上的感应模块6、设置在该投影屏3的圆柱体的中心轴线或平行于该中心轴线的轴线上的反射镜2(其能围绕该中心轴线或轴线 转动,将投影仪1投射的内容反射到投影屏3上,且转动的角度处于0到270度的范围内)、用于控制反射镜2和投影仪1同步转动的同步电机4、以及投影控制器5,其中,反射镜2、投影仪1和投影屏3被设置为,经反射镜2反射后,投影仪1投射的投影内容投射在投影屏3的圆柱形屏幕上。投影控制器5用于接收和分析感应模块6获得的用户指令信息(一般而言,投影控制器5通过线连接从感应模块6接收用户指令信息,不过,其也可以通过无线方式从感应模块6接收用户指令信息),并根据分析的结果确定投影方向,并控制所述同步电机将所述投影仪1与所述反射镜2转动到与所述确定的投影方向对应的位置。例如,投影控制器5可以根据分析的结果确定用户所在的位置,从而确定投影方向。进一步地,投影控制器5还能够根据分析的结果确定投影内容。
图2为示出图1的跟随投影装置中感应模块6在投影屏3上的分布的示意图。如图2所示,感应模块6等间距地设置在投影屏3的上边沿。在实际中,可以根据投影屏3的大小来设置感应模块:当投影屏3体积较小时,可以仅在其上边沿或下边沿设置感应模块6;当投影屏3体积较大时,可以在其上边沿和下边沿均设置感应模块6。另外,因为每个感应模块6均具有一定的感应范围,而投影区域的显示范围是固定的,所以等间距设置感应模块6是最优的选择。
在本公开中,期望的是,投影仪1所透射在投影屏3上的投影内容8正好面向用户7。同时,从图1中可以容易地看出,具体地,取决于反射镜2的正面所在的方位,为了将投影内容8投射在投影屏3上的适当区域,投影仪1可设置在反射镜2上方,也可设置在反射镜2下方。此时,将投影内容投射到投影屏3上的适当区域的方向即为投影方向,与该投影方向对应,投影仪1处于一个确定的位置,而反射镜2处于另一个确定的位置,且此时投影仪1向反射镜2投射投影内容,该投射的投影内容经反射镜2而投射在投影屏3的适当区域内。
图3为如图1中所示的跟随投影装置的投影方法的流程图。如图3中所示,该投影方法包括以下步骤:
100:感应模块获取用户的投影指示,并将指示传递给投影控制器;
101:投影控制器通过对指示的分析和匹配,给出投影内容和投影方向;
102:同步电机接收给出的投影方向,带动反射镜和投影仪同步转动到对应该投影方向的位置;
103:投影仪接收投影控制器给出的投影内容,并根据投影内容进行投影;以及
104:投影仪投射的投影画面经过反射镜投射在投影屏幕上。
在上述方法中,取决于具体的实现方式,也可能从用户的指示中仅能分析和得出投影方向。并且,例如可以通过对用户指示的分析得到用户所在的位置,从而据此确定投影方向。
以下,将通过两个更为具体的实施方式来对本公开的技术方案进行进一步的说明。
实施方式一
在本实施方式一中,感应模块6为语音采集模块,用于采集语音内容及音量。相应地,投影控制器5包括语音识别模块和声源识别模块。语音识别模块用于识别语音内容,并将其与预定的语音指令进行匹配,以确定用户指定的投影内容。而声源识别模块用于根据语音音量来判断声源位置(即用户所在位置),并基于所判断的声源位置来确定同步电机4的转动方向和转动角度。
图4为根据本实施方式一的跟随投影装置的投影方法的流程图。如图4中所示,该投影方法包括以下步骤:
201:用户发出语音指令;
202:感应模块采集用户的语音信息,并将该信息传送给投影控制器;
203:投影控制器识别该语音信息,并匹配语音指令,根据特定语音指令给出指定的投影内容;
204:根据音量大小,投影控制器识别用户所在位置,给出投影方向;
205:同步电机接收投影控制器给出的投影方向,带动反射镜和投影仪同步转动到对应该投影方向的位置;
206:投影仪接收投影控制器给出的投影内容,并根据投影内容进行投影;
207:投影仪投射的投影画面经过反射镜投射在投影屏幕上。
接下来,将结合图5和图6来说明上述语音指令匹配的一个具体例子。目前,需要规定语音指令的特定格式,才可以进行识别。具体的,预先在系统中规定语音指令的格式为“时间”、“天气”、“日历”等。当用户按照这些预定的格式给出相应的语音指令时,系统才能识别这些指令,并给出的对应的投影显示内容。例如,如图5中所示,当用户发出语音指令“Time”时,设置在投影屏上的感应模块采集该语音信息,并将该语音信息发送给投影控制器。后者对该指令进行分析,发现其是与时间相关的语音指令,于是相应地给出当前的时间信息(即投影显示内容)。同时,根据该语音指令(具体是其音量大小),投影控制器还可以判断出声源位置(即用户所在位置),基于该判断的声源位置确定相应的投影方向,并控制同步电机将投影仪与反射镜转动到与该确定的投影方向相应的位置。最后,如图5和图6中所示,该跟随投影装置按照投影控制器给出的投影内容,在面对用户的投影屏区域内投影显示当前的时间信息“2017年5月23日17:54分”。
实施方式二
在本实施方式二中,感应模块6为红外感应模块,用于识别及获取红外光。相应地,投影控制器5包括红外处理模块,其用于对红外感应模块获取的红光进行分析,以判断光源位置(即用户所在位置)。
图7为根据本实施方式二的跟随投影装置的投影方法的流程图。如图5中所示,该投影方法包括以下步骤:
301:用户发出红外指令;
302:感应模块采集用户发出的红外信息,并将该信息传送给投影控制器;
303:基于该红外信息,投影控制器判断用户所在位置,并基于用户所在位置确定投影方向;
304:同步电机接收投影控制器给出的投影方向,带动反射镜和投影仪同步转动到对应该投影方向的位置;
305:投影仪接收投影控制器的投影内容,并根据投影内容进行投影;
306:投影仪投射的投影画面经过反射镜投射在投影屏幕上。
具体地,在上述步骤303中,例如可以通过对该红外光信息的分析确定光源位置(即用户所在位置),从而确定用户所在位置。此外,在本实施方式中,红外光信息本身可以不含有关于投影内容的指示。从而,在这种情况下,仅根据用户的指令信息(即红外光信息)来确定投影方向。
对所公开的实施方式的上述说明,使本领域专业技术人员能够实现或使用本公开。应当理解,以上实施方式中所公开的特征,除了有特别说明的情形外,都可以单独地或者相结合地使用。对这些实施方式的多种修改对本领域的专业技术人员来说将是显而易见的,本文中所定义的一般原理可以在不脱离本公开的精神或范围的情况下,在其它实施方式中实现。因此,本文所公开的本公开并不局限于所公开的具体实施方式,而是意在涵盖如所附权利要求书所限定的本公开的精神和范围之内的修改。

Claims (10)

  1. 一种跟随投影装置,其特征在于,其包括:
    投影仪;
    圆柱形投影屏;
    感应模块,其设置在所述圆柱形投影屏上,用于采集用户发出的指令信息;
    反射镜,其设置在所述圆柱形投影屏的中心轴线或与所述中心轴线平行的轴线上,并能围绕所述中心轴线或轴线转动,用于将所述投影仪投射的内容反射到所述圆柱形投影屏上;
    同步电机,其用于同步地转动所述投影仪与所述反射镜;以及
    投影控制器,其用于接收和分析所述感应模块采集的用户发出的指令信息,根据所述指令信息确定投影方向,并控制所述同步电机将所述投影仪与所述反射镜转动到与所述确定的投影方向对应的位置。
  2. 根据权利要求1所述的跟随投影装置,其特征在于,所述投影控制器还用于根据所述指令信息确定投影内容,并控制所述投影仪投射所述确定的投影内容。
  3. 根据权利要求1所述的跟随投影装置,其特征在于,所述感应模块设置在所述圆柱形投影屏的上边沿和/或下边沿。
  4. 根据权利要求1所述的跟随投影装置,其特征在于,所述用户的指令信息包括语音指令和/或红外指令。
  5. 根据权利要求1所述的跟随投影装置,其特征在于,所述确定的投影方向对应所述圆柱形投影屏上的面对所述用户的投影区域。
  6. 一种根据权利要求1至5中任一项所述的跟随投影装置的投影方法, 其特征在于,所述投影方法包括:
    所述感应模块采集用户发出的指令信息;
    所述投影控制器接收和分析所述指令信息,根据所述指令信息确定投影方向,并控制所述同步电机将所述投影仪与所述反射镜转动到与所述确定的投影方向对应的位置。
  7. 根据权利要求6所述的投影方法,其特征在于,所述投影方法还包括,所述投影控制器根据所述指令信息确定投影内容,并控制所述投影仪投射所述确定的投影内容。
  8. 根据权利要求6所述的投影方法,其特征在于,所述根据所述指令信息确定投影方向包括,根据所述指令信息确定所述用户所在的位置,并根据所述用户所在的位置确定所述投影方向。
  9. 根据权利要求6所述的投影方法,其特征在于,所述用户的指令信息包括语音指令和/或红外指令。
  10. 根据权利要求6所述的投影方法,其特征在于,所述确定的投影方向对应所述圆柱形投影屏上的面对所述用户的投影区域。
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