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US5373333A Expired / Lapsed US ⏱️ 0.0 years remaining

Presentation apparatus

Assignee: NTT Inc
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Filing: 1993-03-08
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Granted: 1994-12-13
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Expires: 2013-03-08
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Abstract

Abstract An image of a text displayed on a flat display is reflected by a half mirror so that a speaker is allowed to see the reflected image in the direction in which he faces the audience. A document of the text to be displayed is prepared as character code data of a frame configuration, and a display controller controls the scroll or page updating of the display screen in accordance with a control instruction from a control panel.

Inventors

  • 👤 Tadamichi Kawada
  • 👤 Hiroshi Nakanishi
  • 👤 Yukio Takahashi
  • 👤 Nobuhiro Funakoshi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 04:39
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/222; H04N5/2222

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 186 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; a box-shaped body; flat display means mounted on said box shaped body for displaying an image on the basis of said image signal, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means mounted on said box-shaped body for providing a frame control instruction for said display image to said display control means; and said display control means including a laptop computer connected by a cable to said flat display means on said box-shaped body, said frame control instruction being provided from said control means to said laptop computer via said cable.
Claim 2
Dependent Claim 186 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; a box-shaped body; flat display means mounted on said box shaped body for displaying an image on the basis of said image signal, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means mounted on said box-shaped body for providing a frame control instruction for said display image to said display control means; and said display control means including a laptop computer connected by a cable to said flat display means on said box-shaped body, said frame control instruction being provided from said control means to said laptop computer via said cable.
Claim 3
Dependent Claim 94 words
The presentation apparatus of claim 1 wherein said display control means includes: frame memory means wherein said text data read out of said text data storage means is stored in the form of a frame, program memory means which has stored therein 5 frame control processing program for said text data; and a CPU which responds to said frame control instruction from said control means to process said text data stored in said frame memory means on the basis of a data processing program in said program memory means, thereby generating said image signal.
Claim 4
Dependent Claim 33 words
The presentation apparatus of claim 1 wherein said half mirror has a half mirror coating on the side from which said display image is reflected and an anti-reflection film on the other side.
Claim 5
Dependent Claim 16 words
The presentation apparatus of claim 1 wherein said text data storage means is a floppy disk.
Claim 6
Dependent Claim 358 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; flat display means for displaying an image on the basis of said image signal from said display control means, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means for providing a frame control instruction for said display image to said display control means; said display control means including frame memory means wherein said text data read out of said text data storage means is stored in the form of a frame, program memory means which has stored therein a frame control processing program for said text data, and a CPU which responds to said frame control instruction from said control means to process said text data stored in said frame memory means on the basis of a data processing program in said program memory means, thereby to generate an image signal composed of at least two different color signals; electronic projector means for projecting an image onto a screen; said text data to be displayed on said flat display means and image data to be displayed by said projector means being produced in the same frame as data of at least two different primary colors preselected from three primary colors; and said display control means including first color signal select means supplied with a plurality of color signals for selecting therefrom a color signal corresponding to said text data and providing said selected color signal to said flat display means, and second color select means supplied with said plurality of color signals for selecting therefrom a color signal corresponding to said image data and providing said selected color signal to said projector means.
Claim 7
Dependent Claim 358 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; flat display means for displaying an image on the basis of said image signal from said display control means, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means for providing a frame control instruction for said display image to said display control means; said display control means including frame memory means wherein said text data read out of said text data storage means is stored in the form of a frame, program memory means which has stored therein a frame control processing program for said text data, and a CPU which responds to said frame control instruction from said control means to process said text data stored in said frame memory means on the basis of a data processing program in said program memory means, thereby to generate an image signal composed of at least two different color signals; electronic projector means for projecting an image onto a screen; said text data to be displayed on said flat display means and image data to be displayed by said projector means being produced in the same frame as data of at least two different primary colors preselected from three primary colors; and said display control means including first color signal select means supplied with a plurality of color signals for selecting therefrom a color signal corresponding to said text data and providing said selected color signal to said flat display means, and second color select means supplied with said plurality of color signals for selecting therefrom a color signal corresponding to said image data and providing said selected color signal to said projector means.
Claim 8
Dependent Claim 89 words
The presentation apparatus of claim 5 wherein said flat display means and said projector means are to provide color display in accordance with color signals provided thereto, each frame contains, as data of another primary color, information data to be displayed in common by both said flat display means and said projector means, and said first and second color select are operative to select a color signal corresponding to said common information data and provide said selected color signal to said flat display means and said projector means, respectively.
Claim 9
Dependent Claim 361 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; flat display means for displaying an image on the basis of said image signal from said display control means, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means for providing a frame control instruction for said display image to said display control means; said display control means including frame memory means wherein said text data read out of said text data storage means is stored in the form of a frame, program memory means which has stored therein a frame control processing program for said text data, and a CPU which responds to said frame control instruction from said control means to process said text data stored in said frame memory means on the basis of a data processing program in said program memory means, thereby to generate an image signal composed of at least two different color signals; said flat display means being operative to provide color displays in accordance with a plurality of color signals applied thereto, said plurality of color signals containing a color signal corresponding to said text data; electronic projector means for projecting an image onto a screen; said text data to be displayed on said flat display means and image data to be displayed by said projector means being produced in the same frame as pieces of data of at least two different primary colors preselected from three primary colors; and said display control means including color signal select means which is supplied with said plurality of color signals for selecting therefrom a color signal corresponding to said image data and providing said selected color signal to said projector means.
Claim 10
Dependent Claim 361 words
A presentation apparatus comprising: an upright bar adjustable in height; a half mirror mounted on said upright bar in a manner to be turnable about a horizontal axis; text data storage means for storing text data of a frame configuration, including at least text document as character code data; display control means for converting said text data of a specified frame, read out of said text data storage means, to an image signal and for outputting said image signal; flat display means for displaying an image on the basis of said image signal from said display control means, said half mirror receiving said display image from said flat display means and reflecting a portion of the quantity of light incident thereto; control means for providing a frame control instruction for said display image to said display control means; said display control means including frame memory means wherein said text data read out of said text data storage means is stored in the form of a frame, program memory means which has stored therein a frame control processing program for said text data, and a CPU which responds to said frame control instruction from said control means to process said text data stored in said frame memory means on the basis of a data processing program in said program memory means, thereby to generate an image signal composed of at least two different color signals; said flat display means being operative to provide color displays in accordance with a plurality of color signals applied thereto, said plurality of color signals containing a color signal corresponding to said text data; electronic projector means for projecting an image onto a screen; said text data to be displayed on said flat display means and image data to be displayed by said projector means being produced in the same frame as pieces of data of at least two different primary colors preselected from three primary colors; and said display control means including color signal select means which is supplied with said plurality of color signals for selecting therefrom a color signal corresponding to said image data and providing said selected color signal to said projector means.

References Cited (Backward Citations)

US3711194A Cited
US3547522A Cited
US5187510A Cited
US5210624A Cited
US5187597A Cited
US5187597B1 Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-12-12 1998-06-13 1998-12-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-12-12 2002-06-13 2002-12-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-12-12 2006-06-13 2006-12-13 $7700.00 Window Closed / Lapsed

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