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EP1320780A1 - Terminal with a projection display - Google Patents

Terminal with a projection display

Info

Publication number
EP1320780A1
EP1320780A1 EP00981133A EP00981133A EP1320780A1 EP 1320780 A1 EP1320780 A1 EP 1320780A1 EP 00981133 A EP00981133 A EP 00981133A EP 00981133 A EP00981133 A EP 00981133A EP 1320780 A1 EP1320780 A1 EP 1320780A1
Authority
EP
European Patent Office
Prior art keywords
terminal
projection display
image
display
camera
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.)
Withdrawn
Application number
EP00981133A
Other languages
German (de)
French (fr)
Inventor
Marco Werner
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Development Co LP
Original Assignee
Siemens AG
Siemens Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Siemens AG, Siemens Corp filed Critical Siemens AG
Publication of EP1320780A1 publication Critical patent/EP1320780A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/317—Convergence or focusing systems
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/64—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image
    • G02B27/646—Imaging systems using optical elements for stabilisation of the lateral and angular position of the image compensating for small deviations, e.g. due to vibration or shake
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/48—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus
    • G03B17/54—Details of cameras or camera bodies; Accessories therefor adapted for combination with other photographic or optical apparatus with projector
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60—Control of cameras or camera modules
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3141—Constructional details thereof
    • H04N9/3173—Constructional details thereof wherein the projection device is specially adapted for enhanced portability
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/12—Picture reproducers
    • H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
    • H04N9/3191—Testing thereof
    • H04N9/3194—Testing thereof including sensor feedback
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS 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
    • G03B2205/00—Adjustment of optical system relative to image or object surface other than for focusing
    • G03B2205/0007—Movement of one or more optical elements for control of motion blur
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0272—Details of the structure or mounting of specific components for a projector or beamer module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor

Definitions

  • the invention relates to a mobile data and / or communication terminal.
  • Such a terminal is, for example, a mobile video telephone or a mobile video camera for still or moving images.
  • the terminal can also be a small mobile computer.
  • FIG. 1 Various methods are currently used for image stabilization in video cameras. Such a method is shown in FIG. 1, in which displaceable lenses are used.
  • An object OB is recorded by a recording device AE, for example the video camera.
  • the recording device AE has an image sensor BS, for example a so-called C OS chip.
  • the recording device AE has an optical system or an objective OT, via which the object OB is imaged on the image sensor BS.
  • the recording device AE moves, different image sections BA result, as shown with the aid of the solid and broken lines.
  • the recording device AE has movement sensors (not shown in more detail) which detect this movement and specifically shift the optics OT for image stabilization.
  • the image stabilization ultimately prevents blurred images from being recorded via the image sensor BS.
  • the mobile terminals mentioned in the introduction generally have display devices, for example LC displays, for image reproduction or for the reproduction of status information and input instructions.
  • the invention has for its object to improve the handling of mobile devices with projection displays. This object is achieved by the features specified in claim 1.
  • the mobile terminal according to the invention has a stabilized projection display.
  • movement of the projection display when the buttons are pressed can thus be prevented.
  • FIG. 1 shows image stabilization on the recording side in a video camera according to the prior art
  • FIG. 2 shows the terminal device according to the invention with a projection display
  • Figure 3 shows a further development of the terminal by using a light beam as a pointing medium
  • Figure 4 shows a further embodiment of the terminal according to the invention by using a camera.
  • the terminal EG according to the invention shown in FIG. 2 has a projection display PD, with an image being projected from the terminal EG onto a projection surface, for example a white wall, via optics (OT in FIG. 1) that are not shown in detail.
  • the image can also be displayed on an appropriately inclined surface on a table.
  • the projection display PD is generated by a miniaturized projector or a miniaturized projector using the optics in the terminal EG.
  • the design of this projector is of minor importance for the invention and is not shown in the drawing.
  • the terminal EG has one or more sensors, via which the movements or a blurring of the terminal EG are detected. For example, by correcting the reproducing optics (OT in FIG. 1), these movements are compensated for during image reproduction.
  • the movement of the terminal is symbolically represented in two levels by the two double arrows P1 and P2, for example.
  • the means for image stabilization are, for example, analogous to FIG. 1 and not shown in detail in FIG. 2.
  • the terminal EG according to the invention can, for example, be tilted in two dimensions by a certain angle without shifting the projected image (on the projection surface) or the projection display PD.
  • This movement compensation is switchable, for example via a button on the terminal EG.
  • motion compensation is switched off, the projected image is adjusted to the selected projection surface, table or wall. By switching on the compensation, the image is clamped, so to speak.
  • the terminal has a so-called laser pointer.
  • This laser pointer or another light source emits a light beam L, which can be positioned at least within the projection display PD by moving the terminal EG. For example, details within the projection display PD can be illuminated or marked.
  • FIG. 4 Another embodiment of the invention is shown in FIG. 4, in which the terminal EG has a camera KA.
  • the camera KA is used to record the projected image or the image content of the projection display PD and also detects the position of the light beam L. This combination tion can be treated as operator input for the device EG.
  • a part of the projection display PD is captured by the camera KA, for example, as a camera image.
  • the camera image KB is arranged, for example, in the lower left half of the projection display PD.
  • the combination of the projection display PD, light beam L and recording via the camera KA enables operator input without a keyboard.
  • the light beam L is moved, for example, onto a symbol in the projection display PD and thus activates the same.
  • the projection display PD according to the invention does not force the user to have to switch between a keyboard on the terminal EG and the image shown on or in the projection display PD.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Position Input By Displaying (AREA)
  • Projection Apparatus (AREA)
  • Controls And Circuits For Display Device (AREA)

Abstract

The invention relates to a mobile data and/or communication terminal (EG). According to the invention, an optical system (OT), for the generation of a projected display (PD) and a means for stabilisation of said display (PD), on moving the terminal (EG), are provided.

Description

Beschreibungdescription

Endgerät mit ProjektionsdisplayTerminal device with projection display

Die Erfindung betrifft ein mobiles Daten- und/oder Kommunikations-Endgerät .The invention relates to a mobile data and / or communication terminal.

Ein solches Endgerät ist beispielsweise ein mobiles Videotelefon oder eine mobile Videokamera für Still- oder Bewegtbil- der. Das Endgerät kann auch ein mobiler Kleincomputer sein.Such a terminal is, for example, a mobile video telephone or a mobile video camera for still or moving images. The terminal can also be a small mobile computer.

Bei Videokameras werden zur Zeit zur Bildstabilisierung verschiedene Verfahren angewendet. In Figur 1 ist ein solches Verfahren dargestellt, bei dem verschiebbare Linsen verwendet werden. Ein Objekt OB wird hierbei von einer Aufnahmeeinrich- tung AE, beispielsweise der Videokamera, aufgenommen. Die Aufnahmeeinrichtung AE weist einen Bildsensor BS auf, beispielsweise einen sogenannten C OS-Chip. Die Aufnahmeeinrich- tung AE weist eine Optik beziehungsweise ein Objektiv OT auf, über die das Objekt OB auf den Bildsensor BS abgebildet wird.Various methods are currently used for image stabilization in video cameras. Such a method is shown in FIG. 1, in which displaceable lenses are used. An object OB is recorded by a recording device AE, for example the video camera. The recording device AE has an image sensor BS, for example a so-called C OS chip. The recording device AE has an optical system or an objective OT, via which the object OB is imaged on the image sensor BS.

Bei einer Bewegung der Aufnahmeeinrichtung AE ergeben sich verschiedene Bildausschnitte BA, wie mit Hilfe der durchgezogenen und der unterbrochenen Linie dargestellt. Die Aufnahme- einrichtung AE weist nicht näher dargestellte Bewegungssensoren auf, die diese Bewegung erfassen und gezielt die Optik OT zur Bildstabilisierung verschieben. Die Bildstabilisierung verhindert letztlich, dass verwackelte Bilder über den Bildsensor BS aufgenommen werden.When the recording device AE moves, different image sections BA result, as shown with the aid of the solid and broken lines. The recording device AE has movement sensors (not shown in more detail) which detect this movement and specifically shift the optics OT for image stabilization. The image stabilization ultimately prevents blurred images from being recorded via the image sensor BS.

Die eingangs erwähnten mobilen Endgeräte weisen im Allgemeinen zur Bildwiedergabe beziehungsweise zur Wiedergabe von Statusinformationen und Eingabeanweisungen Anzeigeeinrichtungen auf, beispielsweise LC-Displays.The mobile terminals mentioned in the introduction generally have display devices, for example LC displays, for image reproduction or for the reproduction of status information and input instructions.

Der Erfindung liegt die Aufgabe zugrunde, die Handhabung von mobilen Endgeräten mit Projektionsdisplays zu verbessern. Diese Aufgabe wird erfindungsgemäß durch die im Patentanspruch 1 angegebenen Merkmale gelöst.The invention has for its object to improve the handling of mobile devices with projection displays. This object is achieved by the features specified in claim 1.

Das erfindungsgemäße mobile Endgerät weist ein stabilisiertes Projektionsdisplay auf. Bei der Bedienung des Endgerätes über eine eingebaute Tastatur kann somit eine Bewegung des Projektionsdisplays beim Drücken der Tasten verhindert werden.The mobile terminal according to the invention has a stabilized projection display. When the terminal is operated via a built-in keyboard, movement of the projection display when the buttons are pressed can thus be prevented.

Im Folgenden wird die Erfindung anhand eines in der Zeichnung dargestellten Ausführungsbeispieles beschrieben. Dabei zeigenThe invention is described below using an exemplary embodiment shown in the drawing. Show

Figur 1 eine aufnahmeseitige Bildstabilisierung bei einer Videokamera gemäß dem Stand der Technik,FIG. 1 shows image stabilization on the recording side in a video camera according to the prior art,

Figur 2 das erfindungsgemäße Endgerät mit einem Projektions- display,FIG. 2 shows the terminal device according to the invention with a projection display,

Figur 3 eine Weiterbildung des Endgerätes durch Verwendung eines Lichtstrahles als Zeigemedium undFigure 3 shows a further development of the terminal by using a light beam as a pointing medium and

Figur 4 eine weitere Ausgestaltung des erfindungsgemäßen Endgerätes durch Verwendung einer Kamera.Figure 4 shows a further embodiment of the terminal according to the invention by using a camera.

Das in Figur 2 dargestellte erfindungsgemäße Endgerät EG weist ein Projektionsdisplay PD auf, wobei vom Endgerät EG über eine nicht näher dargestellte Optik (OT in Figur 1) ein Bild auf eine Projektionsfläche, beispielsweise eine weisse Wand, projeziert wird. Die Bildwiedergabe kann auch über eine entsprechend geneigte Unterlage auf einem Tisch erzielt werden.The terminal EG according to the invention shown in FIG. 2 has a projection display PD, with an image being projected from the terminal EG onto a projection surface, for example a white wall, via optics (OT in FIG. 1) that are not shown in detail. The image can also be displayed on an appropriately inclined surface on a table.

Das Projektionsdisplay PD wird durch einen miniaturisierten Projektor beziehungsweise einen miniaturisierten Beamer unter Verwendung der Optik im Endgerät EG erzeugt. Die Ausgestaltung dieses Projektors ist für die Erfindung von untergeordneter Bedeutung und in der Zeichnung nicht näher dargestellt. Das Endgerät EG weist erfindungsgemäß einen oder mehrere Sensoren auf, über die Bewegungen beziehungsweise eine Verwack- lung des Endgerätes EG erfasst werden. Beispielsweise über eine Korrektur der wiedergebenden Optik (OT in Figur 1) werden diese Bewegungen bei der Bildwiedergabe ausgeglichen. Die Bewegung des Endgerätes ist beispielsweise durch die beiden Doppelpfeile Pl und P2 in zwei Ebenen symbolisch dargestellt. Die Mittel zur Bildstabilisierung sind beispielsweise analog zu Figur 1 ausgeführt und in der Figur 2 nicht näher dargestellt .The projection display PD is generated by a miniaturized projector or a miniaturized projector using the optics in the terminal EG. The design of this projector is of minor importance for the invention and is not shown in the drawing. According to the invention, the terminal EG has one or more sensors, via which the movements or a blurring of the terminal EG are detected. For example, by correcting the reproducing optics (OT in FIG. 1), these movements are compensated for during image reproduction. The movement of the terminal is symbolically represented in two levels by the two double arrows P1 and P2, for example. The means for image stabilization are, for example, analogous to FIG. 1 and not shown in detail in FIG. 2.

Das erfindungsgemäße Endgerät EG ist beispielsweise in zwei Dimensionen um einem bestimmten Winkel kippbar, ohne dabei das projezierte Bild (auf der Projektionsfläche) beziehungsweise das Projektionsdisplay PD zu verschieben. Diese Bewegungskompensation ist schaltbar ausgeführt, beispielsweise über eine Taste am Endgerät EG. Bei ausgeschalteter Bewegungskompensation wird das projezierte Bild auf die gewählte Projektionsfläche, Tisch oder Wand, justiert. Durch das Einschalten der Kompensation wird das Bild sozusagen festgeklemmt .The terminal EG according to the invention can, for example, be tilted in two dimensions by a certain angle without shifting the projected image (on the projection surface) or the projection display PD. This movement compensation is switchable, for example via a button on the terminal EG. When motion compensation is switched off, the projected image is adjusted to the selected projection surface, table or wall. By switching on the compensation, the image is clamped, so to speak.

Bei der in Figur 3 dargestellten Weiterbildung der Erfindung weist das Endgerät einen sogenannten Laserpointer auf. Dieser Laserpointer oder eine sonstige Lichtquelle, gibt einen Lichtstrahl L ab, der durch Bewegung des Endgerätes EG zumindest innerhalb des Projektionsdisplays PD positioniert werden kann. So können beispielsweise Einzelheiten innerhalb des Projektionsdisplays PD angestrahlt beziehungsweise markiert werden.In the development of the invention shown in FIG. 3, the terminal has a so-called laser pointer. This laser pointer or another light source emits a light beam L, which can be positioned at least within the projection display PD by moving the terminal EG. For example, details within the projection display PD can be illuminated or marked.

Eine weitere Ausgestaltung der Erfindung ist in Figur 4 dargestellt, bei der das Endgerät EG eine Kamera KA aufweist. Die Kamera KA dient zur Aufnahme des projezierten Bildes beziehungsweise des Bildinhaltes des Projektionsdisplays PD und erfasst auch die Position des Lichtstrahles L. Diese Kombina- tion kann als Bedieneingabe für das Gerät EG behandelt werden. Von der Kamera KA wird beispielsweise als Kamerabild ein Teil des Projektionsdisplays PD erfasst. Das Kamerabild KB ist beispielsweise in der linken unteren Hälfte des Projekti- onsdisplays PD angeordnet.Another embodiment of the invention is shown in FIG. 4, in which the terminal EG has a camera KA. The camera KA is used to record the projected image or the image content of the projection display PD and also detects the position of the light beam L. This combination tion can be treated as operator input for the device EG. A part of the projection display PD is captured by the camera KA, for example, as a camera image. The camera image KB is arranged, for example, in the lower left half of the projection display PD.

Die Kombination vom Projektionsdisplay PD, Lichtstrahl L und Aufnahme über die Kamera KA ermöglicht eine Bedieneingabe ohne Tastatur. Der Lichtstrahl L wird beispielsweise auf ein Symbol im Projektionsdisplay PD bewegt und damit dasselbe aktiviert. Das erfindungsgemäß Projektionsdisplay PD zwingt den Benutzer nicht, den Blick zwischen einer Tastatur am Endgerät EG und dem dargestellten Bild auf dem beziehungsweise im Projektionsdisplay PD wechseln zu müssen. The combination of the projection display PD, light beam L and recording via the camera KA enables operator input without a keyboard. The light beam L is moved, for example, onto a symbol in the projection display PD and thus activates the same. The projection display PD according to the invention does not force the user to have to switch between a keyboard on the terminal EG and the image shown on or in the projection display PD.

Claims

Patentansprüche claims 1. Mobiles Daten- und/oder Kommunikations-Endgerät (EG) gekennzeichnet durch eine Optik (OT) zur Erzeugung eines Projektinsdisplays (PD) , und1. Mobile data and / or communication terminal (EG) characterized by an optical system (OT) for generating a project display (PD), and Mittel zur Stabilisierung des Displays (PD) bei Bewegungen des Endgerätes (EG) .Means for stabilizing the display (PD) when the end device (EG) moves. 2. Endgerät gemäß Anspruch 1, gekennzeichnet durch eine schaltbare Stabilisierung.2. Terminal according to claim 1, characterized by a switchable stabilization. 3. Endgerät gemäß Anspruch 1 oder 2 , gekennzeichnet durch eine Einrichtung zur Abgabe eines Lichtstrahles (L) als Zeigemedium im Projektionsdisplay (PD) .3. Terminal according to claim 1 or 2, characterized by a device for emitting a light beam (L) as a pointing medium in the projection display (PD). 4. Endgerät nach Anspruch 1 , 2 oder 3 , gekennzeichnet durch eine Kamera (KA) zur Aufnahme zumindest von Ausschnitten des Projektionsdisplays (PD) . 4. Terminal according to claim 1, 2 or 3, characterized by a camera (KA) for recording at least sections of the projection display (PD).
EP00981133A 2000-09-28 2000-09-28 Terminal with a projection display Withdrawn EP1320780A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/DE2000/003415 WO2002027387A1 (en) 2000-09-28 2000-09-28 Terminal with a projection display

Publications (1)

Publication Number Publication Date
EP1320780A1 true EP1320780A1 (en) 2003-06-25

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Family Applications (1)

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EP00981133A Withdrawn EP1320780A1 (en) 2000-09-28 2000-09-28 Terminal with a projection display

Country Status (4)

Country Link
US (2) US7385620B1 (en)
EP (1) EP1320780A1 (en)
JP (1) JP2004527779A (en)
WO (1) WO2002027387A1 (en)

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WO2002027387A1 (en) 2002-04-04
US8089504B2 (en) 2012-01-03
US7385620B1 (en) 2008-06-10
US20090009666A1 (en) 2009-01-08
JP2004527779A (en) 2004-09-09

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