[embodiment]
The a plurality of embodiment of the utility model speech prompting device 100 tools, detailed as following.
Be first embodiment below, see also Fig. 1, the utility model speech prompting device 100 comprises projection arrangement 1, one lens set, 2, one display screens 3 and a casing 4.
Described projection arrangement 1 and lens set 2 place casing 4 inside, also can directly be placed in this dais, and the three all places under the podium, display screen 3 then places on the podium, projection arrangement 1 can refract to display screen 3 by lens set 2 with light, thus imaging on display screen 3.Described speech prompting device 100 also can independently be that a complete device is used.
Described projection arrangement 1 can be CRT display screen or LCD display, lantern slide, material object or the manuscript etc. of projector, electronic equipment driving, so that required speech content is projected on the display screen 3.Be that computer-projector instrument (Projector) is an example with projection arrangement 1 now, the content of will giving a lecture is stored in the computer, projector is connected with computer or both for one, the content of will giving a lecture again is projected to display screen 3 via projector.
Described projection arrangement 1 can lie in the casing 4,2 camera lenses 10 with projection arrangement 1 of lens set this moment are angled, the light launched from projection arrangement 1 is refracted on the rear side back side of display screen 3 or the front with imaging by lens set 2, and this moment, display screen 3 was real image position shown in Figure 1.The mode of placing vertically of this kind projection arrangement 1 can lens set 2, directly is projected to display screen 3 by projection arrangement 1.
Described projection arrangement 1 also can uprightly be placed in the casing 4, makes the light of launching from projection arrangement 1 see through lens set 2 or directly throws to the front side of display screen 3 or the back side with imaging, and this moment, display screen 3 was a dotted line position shown in Figure 1.The storing mode of this kind projection arrangement 1 need not lens set 2, directly is projected on the display screen 3 with imaging by projection arrangement 1.
During to the rear side back side imaging of display screen 3, display screen adopts the material that can see through back side light figure to described projection arrangement 1 with ray cast, and the speaker can see diagramatic content from above.Above-mentioned two kinds of projection imaging mode on display screen all can make the speaker can see sharp image.When projection arrangement 1 is projected to display screen 3 front side plates, speech on the projection arrangement 1 is just put, when being projected to display screen 3 back side side plates, the speaker on the projection arrangement 1 is inverted, so that be positioned at the image that speaker in face of the display screen front panel can both see forward.
Described lens set 2 can be a plurality of reflective mirrors to be formed, and it can comprise lens, flat mirror or curved mirror.Lens set 2 also can change the radiation direction of coming from projection arrangement 1 projection, the camera lens of increase projection arrangement 1 and the space length between screen are to obtain bigger projection image, bigger projection image also can adopt optical system in order to be obtained under less space length, obtain big image as combination of lenses or curved mirror etc., so the picture size that is projected on the display screen 3 is enough big and clear, so that the recognisable image that the speaker can be without lifting an eyebrow.
Please together consult Fig. 2, described display screen 3 can be placed on the podium, and it is strip shape body 30 formations of a plurality of dispersions, and described strip shape body 30 can be bar mirror, bar shaped curtain or bar shaped LCD and forms, and be a blind shaped between each strip shape body 30, relative angle can be fixed maybe can adjust and all can.Strip shape body 30 is the sheet of tool certain width, and its side is a thin type, and interrelates between each strip shape body 30, tool one fixed gap.Simultaneously, bar mirror, bar shaped curtain or bar shaped LCD simultaneously are the thin type face in the face of spectators', and spectators are seen over intimate stealthy, and its gap energy printing opacity makes the audience can see through this curtain and see the speaker.And corresponding to speaker's direction, reason owing to speaker's viewing angle, what the speaker saw is the planar section of strip shape body, the polylith strip shape body looks the plane that is combined into a near-complete, accept projector and throw the image of coming, though be incident upon on each strip shape body, every strip shape body is accepted part image, is combined into and a complete image.
Strip shape body 30 is that metal or nonmetallic materials constitute, and its shape can be the plane, cambered surface, curved surface or flour mixed with adulterants, and the one side that can accept projection is reflective or block face, and plated film is electroplated frosted glass, translucent grade all can, as the cloth curtain of film screen, the front screen of rear-projection TV set etc.
The connection that each strip shape body is 30 can realize in the following way with support:
First, parallel two long distolateral edges of each strip shape body 30 are respectively equipped with fixed orifice (figure does not show), and a framework 34 is sticked at described long end place, place, described framework 34 corresponding said fixing holes also is provided with through hole (figure does not show), a securing member 32 can be passed through fixed orifice, through hole with each strip shape body 30 fixed support.By regulating the degree of tilt of framework 34 with control, adjusting strip shape body 30.
The second, can form blind shaped by moulding between each strip shape body 30, this kind forming principle is comparatively simple, need only mould or combination get final product.
The 3rd, also available gluing clamping plate, screw retention or the connection of other solid and other fixed form match and form between each strip shape body 30.
The 4th, also can adopt the edge fixed form between each strip shape body 30.
Can establish spring between above-mentioned connecting through hole 32 and the screw 37,, promptly regulate the degree of influence that reduces audience's direction sight line so that regulate strip shape body 30 relative speakers' degree of tilt.Adjusting mechanism can be made as manual plain mode, also can adopt the mechanic adjustment unit of electronic circuit control.
The constituted mode of this kind display screen 3 is the vision difference of utilizing different angles, to realize that display screen is by being interrupted, dispersing the continuous purpose of change.
See also Fig. 3 A, spectators from the F1 direction on podium, because of strip shape body 30 plates for thin type shape, the featheredge that is strip shape body 30 that spectators face, this featheredge does not influence spectators' sight line, is close to stealthy, so can not see screen, but can finely see the speaker.
See also Fig. 3 B, and the speaker sees toward display screen 3 from the F2 direction, be in the face of strip shape body 30 wide because of the F2 direction this moment, though every strip screen space is the local figure of display separation respectively, but be linked to be a whole screen from each strip shape body 30 pass that speaker's direction is watched, and this one side in the face of the speaker can show complete image, so the speaker can clearly see the image that projection arrangement 1 projection is come.
Display location the speaker is resembled all the time talk face to face with spectators, and the searching speech draft of must not bowing is wrong to determine whether speech draft, can make speaker and spectators carry out interaction in speaker the place ahead, and then makes speech lively.
See also Fig. 4, between each strip shape body 30 of the formation display screen 3 of described display screen 3 structures also can by another with it at an angle light transmission piece 36 be connected.This kind structure at present the structure of common little paper fan comparatively similar.Strip shape body 30 structures of the display screen 3 of this kind structure can plate light-transmissive film or make frame shape and be attached thereto as hereinbefore on the light transmission piece 36 that connects, but in the face of speaker's one side hacking then, or are cloth, and plastics etc. can be accepted projection image and all can.Spectators can see through light transmission piece 36, and can not see screen from the F1 direction thus, and the speaker then can see by whole screen image shown in Figure 3 from the F2 direction.
When the structure of above-mentioned display screen 3 is in running order, in opened condition, be the above-mentioned parallelogram sturcutre that is referred to as, and if when being in off working state, it can be drawn in, structure was identical when this kind rounding state collapsed with paper fan, the display screen 3 that can draw in places in the casing 4, is easy to carry.This kind structure also can be fixed form, makes globality good.
But, this kind display screen structure, though the side of strip shape body 30 is a featheredge, but still the tool certain thickness, then the side with strip shape body 30 processes or makes pattern or stamp LOGO, and promptly transferable spectators' sight line can obtain advertising results again.
Described casing 4 is a housing, for having the cavity of putting projection arrangement 1 and lens set 2.The surface is provided with the hole 40 that light is passed through on the casing 4, and the light that projection arrangement 1 is launched reflects by lens set 2, is projected to display screen 3 imagings by this hole 40 again.Display screen also can be fixed on this casing.
During assembling, at first projection arrangement 1 is placed in the casing 4, again the hole 40 of lens set 2 corresponding casing 4 upper surfaces is installed,, at last display screen 3 is installed in the position that can fully clearly receive the light that projection arrangement 1 launches so that light can pass through lens set 2, hole 40.Also can make a complete device, with projection arrangement 1, lens set 2, display screen 3 integrates, and launches during use to get final product.
Thus, can realize the installation of speech prompting device 100 simply, easily.
During work, please consult Fig. 1 once more, start projection arrangement 1, make its speech content via lens set 2, and make image projecting to display screen 3.If during to position shown in the real image of display screen 3, this moment, image was for just to throw to the front panel of display screen 3 with image projecting for projection arrangement 1; If during to position shown in the virtual image of display screen 3, this moment, image be anti-the throwing to the rear panel of display screen 3 to projection arrangement 1 with image projecting, and the speaker is front panel the place ahead of just standing on display screen 3, also can see the image of facing on the front panel of display screen 3.
If find that image is unclear, can corresponding adjustment projection arrangement 1 or the focal length of lens set 2, till image definition.And can be according to habitual visual direction of speaker and spectators' visual direction, the degree of tilt of the strip shape body 30 of corresponding adjustment display screen 3 is so that spectators' visual direction then is whole continuously the screen for discrete display screen 3 relative speakers' visual direction relatively.
This shows that this speech prompting device 100 is just standing on vision the place ahead of speaker, can make the speaker when giving a report, can read the speech content easily, naturally, and spectators form interaction under instant and the platform, can make speech become lively.
The above-mentioned display screen 3 that is referred to as speech prompting device 100 is not to be level altitude, can be adjusted accordingly according to speaker's height, if after adjusting, the image that is projected on the display screen 3 is unclear, can corresponding adjusting projection arrangement 1 focal length, or to the one focal length adjustment of lens set 2 dos, till image definition.
The above-mentioned speech prompting device that is referred to as 100 only is a kind of embodiment of the utility model, and the utility model speech prompting device 100 also has following numerous embodiments, and is detailed as following.
Be second embodiment below: see also Fig. 5, described speech prompting device 100 comprises projection arrangement 1, lens set 2 and display screen 3.Described projection arrangement 1, lens set 2 and display screen 3 all can be identical with any projection arrangement, lens set and the display screen described in first embodiment.
Among this embodiment, projection arrangement 1 places any position, and camera lens is towards lens set 2, and lens set 2 can place on the ceiling or other place, makes projection ray's directive display screen 3, the place that display screen 3 places the speaker to watch.
In the present embodiment, projection arrangement 1 need only place the forward and backward side of display screen 3, and lens set 2 then places the projection that can receive projection arrangement 1 to get final product, so with ray cast to display screen 3.Projection arrangement 1 if by lens set 2 with ray cast to display screen 3 front panels, the speech content just can be put; If by lens set 2 with ray cast to the rear side panel of display screen 3, can the speech content instead extremely, can see the speech content of forward by display screen 3 front and back, and display screen must adopt the illustrated material that can see through back side light.
Be the 3rd embodiment below: see also Fig. 6, described speech prompting device 100 comprises projection arrangement 1, figure curtain 2 ', display screen 3.
In the present embodiment, described figure curtain 2 ' can be captions, video curtain TV or other display and material object all can, display screen 3 is then formed for bar mirror, figure curtain 2 ' can be gone up content displayed by reflecting on the display screen 3, the speaker then can be reflected the content of seeing on the figure curtain 2 ' from display screen 3.Figure curtain 2 ' can need only the speaker can see that the content on the figure curtain 2 ' gets final product from display screen 3 with being installed in any position that display screen 3 is correlated with.
Be the 4th embodiment below: see also Fig. 7, described speech prompting device 100 comprises projection arrangement 1 and display screen 3.Present embodiment is compared with previous embodiment, has reduced lens set 2, by projection arrangement 1 directly with image projecting to display screen 3.
In the present embodiment, projection arrangement 1 can place on display screen the place ahead, as ceiling, wall or bracing frame first-class all can, and then directly with the figure ray cast to display screen 3; Display screen 3 can be a multiple angles for the speaker as shown in Figure 1, is beneficial to overlooking or looking up of speaker.
In sum, the utility model speech prompting device 100 is projected to blur-free imaging on the display screen 3 by projection arrangement 1 content of will giving a lecture, and the light path between projection arrangement 1 and the display screen 3 can be established a lens combination 2, and the position between the three can be set arbitrarily, ray cast to display screen 3 need only be got final product.This kind speech prompting device 100 can make the speaker can see the speech content like a cork, the content that need not extremely keep a close watch on screen or memorize mechanically speech draft, and make speech lively inadequately.
Be the 5th embodiment below: see also Fig. 8 A, Fig. 8 B, Fig. 8 C, Fig. 8 D, this display screen 3 of implementing novel speech prompting device 100 also can be combined by many bar shaped LCD, be that the LCD that display screen 3 can be a plurality of weak points are formed by connecting respectively, the bar shaped LCD of this display screen 3 can get up by a frame fixation.Every LCD display part suggestion content, many LCD forms a complete screen, be connected by a divider 5 between display screen 3 and the computer system 1 ', divider 5 can be assigned to complete image on each LCD, each LCD goes up the complete image of demonstration thus again, and the structure of this kind speech display device is more simple.