WO2001017226A1 - Camera electronique utilisant un ecran plat reflechissant pour visualiser et imprimer des images - Google Patents

Camera electronique utilisant un ecran plat reflechissant pour visualiser et imprimer des images Download PDF

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Publication number
WO2001017226A1
WO2001017226A1 PCT/US2000/024011 US0024011W WO0117226A1 WO 2001017226 A1 WO2001017226 A1 WO 2001017226A1 US 0024011 W US0024011 W US 0024011W WO 0117226 A1 WO0117226 A1 WO 0117226A1
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WO
WIPO (PCT)
Prior art keywords
image
flat panel
electronic
panel display
photosensitive
Prior art date
Application number
PCT/US2000/024011
Other languages
English (en)
Inventor
Philip D. Chapnick
Bruce K. Johnson
Original Assignee
Polaroid Corporation
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 Polaroid Corporation filed Critical Polaroid Corporation
Publication of WO2001017226A1 publication Critical patent/WO2001017226A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21—Intermediate information storage
    • H04N1/2104—Intermediate information storage for one or a few pictures
    • H04N1/2112—Intermediate information storage for one or a few pictures using still video cameras
    • H04N1/2154—Intermediate information storage for one or a few pictures using still video cameras the still video camera incorporating a hardcopy reproducing device, e.g. a printer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/0035—User-machine interface; Control console
    • H04N1/00405—Output means
    • H04N1/00408—Display of information to the user, e.g. menus
    • H04N1/0044—Display of information to the user, e.g. menus for image preview or review, e.g. to help the user position a sheet
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/21—Intermediate information storage
    • H04N1/2104—Intermediate information storage for one or a few pictures
    • H04N1/2112—Intermediate information storage for one or a few pictures using still video cameras
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/04—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa
    • H04N1/19—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays
    • H04N1/195—Scanning arrangements, i.e. arrangements for the displacement of active reading or reproducing elements relative to the original or reproducing medium, or vice versa using multi-element arrays the array comprising a two-dimensional array or a combination of two-dimensional arrays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N2101/00—Still video cameras

Definitions

  • the present invention relates to reflective flat panel display area array printing, and in particular, to an image capturing device, such as an electronic camera, that employs a reflective flat panel display for both viewing and printing images.
  • U.S. Pat. No. 4,262,301 issued to I. Erlichman on April 14, 1981, discloses an electronic camera wherein scene images are captured by an image sensor and then stored electronically. Hard copies of the stored images are subsequently produced by retrieving such images from storage and then printing the same on an image recordable medium by a printer mechanism.
  • area array printing technology has already found applications in digital camera. Printing in these instances is accomplished by exposing photosensitive film to an image-bearing light propagated from a transmission-type liquid crystal display panel, such panels already being customarily used in digital cameras as preview panels.
  • Other patents that suggest the use of transmission liquid crystal displays for area array printing include: U.S. Pat. No. 5,050,001, issued to Hatanaka et al.
  • the hard copy obtainable from transmission-type LCD print mechanisms may be suitable.
  • the hard copy obtainable from transmission-type LCD print mechanisms may be suitable.
  • the "fill factor" i.e., the ratio of image and non-image surface areas
  • the resolution of such images is generally low and typically does not approach acceptable photographic quality.
  • the present invention provides an electronic imaging device, such as an electronic camera, incorporating means to record images onto photosensitive film by an area-wise exposure of image-carrying illumination reflected off a reflective flat panel display. Further, it has been found that, by using either twisted nematic (TN) or super-twisted nenamtic (STN) liquid crystal display as the flat panel display, instant images having good contrast and good resolution can be obtained. And further still, in addition to its use in exposing film, the reflective flat panel display can also be used, if desired, for reviewing and/or previewing digitally captured images.
  • TN twisted nematic
  • STN super-twisted nenamtic
  • a reflective flat panel display device principally for photographic exposure
  • such devices will comprise a camera housing; an objective lens for admitting image-carrying light rays into said camera housing; an electronic image acquisition assembly capable of receiving said image-carrying light rays and converting said image-carrying light rays into image-encoding digital information; a reflective flat panel display capable of being electronically addressed, in response to said image-encoding digital information, to provide in reflected light a reflection image; a receptacle for holding a photosensitive imaging medium; and an optical system capable of directing the reflection image reflected off said reflective flat panel display toward said receptacle for the image-wise area exposure of a photosensitive imaging medium held therein.
  • a reflective flat panel display for both printing and viewing
  • several embodiments are contemplated.
  • such embodiments will comprise a housing; means for receiving and transmitting electronic image-encoding digital information; a reflective flat panel display capable of being electronically addressed, in response to said electronic image-encoding digital information, to provide in reflected light a reflection image; a reflection image viewer; a receptacle for holding a photosensitive imaging medium; and an optical system capable of selectively directing the reflection image reflected off said reflective flat panel display toward either (a) said receptacle for the image-wise area exposure of a photosensitive imaging medium held therein, or (b) said reflection image viewer for the viewing thereof by a user of the device.
  • the present invention contemplates a methodology having several modes of practice.
  • the methodology comprises the steps of: (a) providing a photosensitive medium;
  • Fig. 1 is an elevational schematic view of an electronic still camera incorporating therein, in accordance with an embodiment of the present invention, a dual-mode printer- viewer system 20. As shown, the dual-mode printer- viewer system 20 is in its printing mode of operation.
  • Fig. 2 is a schematic plan view of the electronic still camera illustrated in Fig. 1.
  • Fig. 3 is a schematic side view of the electronic still camera of FIG. 1, with the dual-mode printer- viewer system 20 placed in its viewing mode of operation.
  • Figs. 4 to 8 each represent different schematic versions of printer- viewer systems according to the present invention.
  • Fig. 9 is a schematic view of another embodiment of the present invention.
  • Fig. 10 to 12 are schematic views of another version of the printer- viewer system in a printing mode.
  • Fig. 13 illustrates another embodiment of invention, i.e., a printer- projector system, shown in its viewing mode of operation.
  • Fig. 14 illustrates the printer-projector system of Fig. 13 in an intermediate stage of operation.
  • Fig. 15 illustrates the printer-projector system of FIG. 13 in its printing mode of operation.
  • Fig. 16 schematically illustrates an exemplary reflective liquid crystal microdisplay that can be used in practice of certain embodiments of the present invention.
  • a photosensitive medium e.g., conventional 35mm silver halide emulsion film, self-developing diffusion transfer film, and the like
  • a reflective twisted (or super-twisted) nematic liquid crystal display e.g., conventional 35mm silver halide emulsion film, self-developing diffusion transfer film, and the like
  • the liquid crystal display is used in reflection to provide an imagewise area exposure of said photsensitive medium.
  • the reflective liquid crystal display is electronically addressed, contemporaneously with the illumination thereof by a light source, to produce a reflection image in reflected light.
  • Optical components such as mirrors, lens, prisms, beamsplitters, and the like are then used to direct the image-bearing illumination reflected off the liquid crystal display onto the photosensitive medium, thereby effecting the latent recordation of said reflection image.
  • an electronic camera will comprise a camera housing, an objective lens for admitting image-carrying light rays into the camera housing, and an electronic image acquisition assembly.
  • an electronic image acquisition assembly is an assembly capable of receiving image-carrying light rays and converting that light into image-encoding digital information.
  • Included within the inventive electronic camera are the components used in producing a hardcopy image from the image-encoding digital information obtained from the electronic image acquisition assembly. These components include, but are not limited to, a receptacle for holding a photosensitive imaging medium, a reflective flat panel display, and an optical system.
  • the reflective flat panel display is one capable of being electronically addressed, in response to image- encoding digital information, to provide in reflected light a reflection image.
  • the optical system is one capable of directing the reflection image reflected off said reflective flat panel display toward said receptacle for the imagewise area exposure of a photosensitive imaging medium held therein.
  • the reflective liquid crystal display is a so-called reflective liquid crystal microdisplay, as is disclosed, for example, in U.S. Pat. No. 5,920,298, issued to Douglas McKnight on July 6, 1999; U.S. Pat. No. 6,005,649, issued to Krusius et al. on December 21, 1999; and U.S. Pat. No.
  • microdisplays are high-resolution, full-color, low-power, low-cost displays that are fabricated on an integrated circuit and range in size from a few millimeters to as much as 30mm and range in resolution from quarter- VGA (VGA being 640 x 480 pixels) to UXGA (1600 x 1200 pixels). Because they are reflective and are not direct view displays, they are able to produce, with optics, an image much larger than the physical size of the display. This feature is particularly advantageous in reducing the bulk of a host imaging device.
  • Reflective microdisplays use an external light source and modulate the light as it reflects off the microdisplay. While the present invention is not limited to any particular light source for the illumination of the reflective flat panel display, the light source is preferably a light-emitting diode (LED). For full color imaging, light-emitting diodes for each of the primary color components of white light (i.e., red, green, and blue) can be used. While the structure of microdisplays is subject to much variation, an exemplary microdisplay structure is depicted for illustrative purposes in FIG. 16.
  • the microdisplay 44 shown in FIG. 16 comprises an electrooptic layer 22 disposed between a first substrate 45 and a second substrate 48.
  • the first substrate has a single electrode known as a common electrode 46.
  • Second substrate 24 has a plurality of pixel electrodes 49, each of which periodically acquires updated image data in an independent manner.
  • Each pixel electrode 48 retains the image data acquired for a given period of time or duration, after which the acquired image date is replaced with new image data.
  • At least one of first substrate 45 and second substrate 48 is transparent or translucent to light, with the other substrate or another layer (not shown) being light reflective.
  • substrate 48 is the light reflective substrate.
  • electrooptic layer 47 comprises liquid crystal material.
  • the liquid crystal color filter shown in FIG. 16 is employed for producing full color images according to techniques well-known in the art.
  • Microdisplays can be commercially obtained, for example, from: Colorado MicroDisplay, Inc., of Boulder, Colorado, under the product designations CMD3X2A, CMD8X6D, and CMD8X6P; Three-Five Systems, Inc., of Tempe,
  • RGB Fastfilter is an example of a dye absorption filter constructed with fast- switching ferroelectric liquid crystal (FLC) cells. These cells have switching speeds that greatly exceed those of the more common nematic liquid crystals.
  • FLC ferroelectric liquid crystal
  • the molecular switching actions of ferroelectric liquid crystals - unlike nematic liquid crystals — is not voltage dependent and thus provides only bistable states.
  • displays employing ferroelectric liquid crystals may have comparatively lower attainable grey levels, and to that extent, would not be particularly desirable for use in a digital camera.
  • microdisplays based on so-called microelectrical mechanical systems may also be used for certain embodiments of the present invention.
  • MEMS microdisplays are essentially displays that contain tiny moveable parts that respond to control voltages.
  • the digital micromirror is the most common of these.
  • This structure contains a control matrix above which are fabricated the display's array of tiny mirrors. Control signals "flip" the mirror from an “on” position, so light is collected, to an "off' position, where light is absorbed. Further details of MEMS display technology are available in the public literature.
  • the invention is subject to broad application in both stand-alone printers and in electronic cameras.
  • one of the advantages of employing a reflective flat panel display for printing is that - - with suitable optical components - - the reflective flat panel display can be used in another mode for viewing images.
  • the reflective flat panel display can be used in a dual-mode printer-viewer system combinable with or otherwise integrated into an electronic camera, or like imaging device. Given the desirability of such products, several particular embodiments have been developed.
  • Figs. 1 to 3 for illustrating one preferred embodiment of a printer-viewer system 20 made according to the principles of the present invention.
  • the printer-viewer system 20 of this embodiment is particularly adapted for use in a conventional electronic still camera 22 for selectively viewing and/or printing images captured and generated by the electronic camera.
  • the electronic camera 22 is operated for electronically capturing, viewing, and/or printing images on an image recordable material; such as self- developing film, whereby the ability to review captured images is provided as well as previewing the images to be printed.
  • the electronic camera 22 includes a compact housing assembly 24 that houses an electronic image acquisition assembly 26, the printer-viewer system 20, and a film storage and processing unit 28 for storing and processing in a light- tight compartment, a stack of image recordable units 30.
  • the units 30 are of the photosensitive type, such as of the self-developing kind, commercially available from Polaroid Corporation, Cambridge, Massachusetts, USA.
  • the units 30 are housed in a known cassette structure 32 and the processing unit, preferably, includes a reflecting mirror 34 for directing projected captured images to a focal plane at which the topmost unit of the stack.
  • the cassette structure 32 is known and individual ones of the units 30 following exposure can be processed for viewing of the developed latent image by passing through a pair of processing rollers 36 which rollers also assist in ejecting each film unit from an exit slot (not shown).
  • Other image recording materials are contemplated, such a roll of photographic silveer halide emulsion film of the non- self-developing type that is sequentially indexed for successive exposures.
  • the image recordable units can comprise solid- state imagers, such as CCD and CMOS sensors instead of imageable media. It will be understood that the images can be recorded by any suitable means.
  • the assembly 26 includes a taking lens system 38, that can be of the zoom type for directing and focusing scene images to an image sensor 40, such as an area CCD of the full frame or interline type.
  • the images captured by the image sensor 40 are converted to digital image signals representative of the images captured and are transmitted to camera electronics 42 as is well understood in the field.
  • a captured image display apparatus 44 is part of the printer-viewer system 20 and receives the images from the camera electronics 42 to display a static image captured from the image sensor 40.
  • the present invention contemplates that a video camera acquisition module instead of an electronic still image acquisition module can be used along with a display that displays the images dynamically.
  • the captured image display device has its exposures taken by a known exposure system forming part of the camera electronics 42. In such a situation, the exposure occurs following display of the images by the image display apparatus 44; as will be described in more detail.
  • the image display apparatus 44 is an active matrix area liquid crystal display of the reflective type; such as is commercially available from Colorado
  • the display apparatus can be a spatial light modulator.
  • the printer is accepting of optical images such as transparencies or a variety of electronically captured images from digital storage devices, such as PCMCIA cards, EEPROM memory; FLASH memory; RAM memory; dynamic RAM memory; magnetic memory; and optical memory.
  • digital image information that is transferred directly from a variety of other sources, such as computers (not shown) through appropriate interface cables (not shown) or by means of radio frequency (RF).
  • the invention can include other spatial light modulators; such as digital microdisplays (DMD's).
  • DMD's digital microdisplays
  • Fig. 3 for purposes of illustrating the display apparatus 44 in combination with an additional source of illumination 50 along with a mirror 52, and condenser lens 54 for compactly providing supplemental illumination for the displayed image on the display apparatus 44. Additional provision is a made for a polarized beam splitter 56 that has a polarity opposite to that contained in the display apparatus 44 for facilitating printing of the images on the film plane.
  • the optical viewing system includes a field lens 62, refocusing lens 64, mirror 66 and eyelens 68.
  • Other optical viewing systems can be used in this arrangement to provide for a variety of optical functions.
  • An optical coupling system 70 (Figs. 1 and 2) is disclosed in this embodiment, which includes a mirror 72 that is motor driven about an axis which motor is under the control of a microprocessor in the camera electronics between viewing and printing modes.
  • the mirror 72 In an operator viewing mode, the mirror 72 is rotated out of the optical path of the projection lens system, whereby real or virtual images are directed to the optical viewing system for viewing by a user.
  • the mirror 72 In the printing mode, the mirror 72 is rotated into the optical path for redirecting the displayed virtual or real images from the projection system to the optical viewing system.
  • the present invention also contemplates a beamsplitter to redirect such displayed images simultaneously to the film plane for printing and to the eyelens for viewing.
  • the electronic camera is provided with a user interface 80, schematically depicted, and includes several operator control buttons 82 to 90 each of which are independently operated.
  • the interface and buttons are connected to a microprocessor in the camera electronics control 42 and are accessible to user on a surface of the housing assembly.
  • a control button 82 allows for actuation of an electronic image capturing exposure;
  • control button 84 is operable for allowing reviewing of the captured image on the micro-display 44;
  • control buttons 86, 88 are independently operable, for example, in order to browse backwards and forwards through stored images retained by the memory so that preselected ones of the stored images are displayed on the display apparatus 44 for printing purposes.
  • Control button 90 is connected to the microprocessor and the microdisplay to allow printing of the selected image(s).
  • the user interface can include a wide variety of controls for controlling the various functions associated with the operation of the system.
  • the user interface can include a display that is operable for indicating the image selected from the card to correspond to the image selected by the operator.
  • Figs. 4 and 5 illustrate another configuration of the operative components of a viewer-printer device of the present embodiment in the printing and viewing modes; respectively. Structure of this embodiment like that above will be represented by the same reference numerals.
  • the display apparatus 44, optical coupling device 72, projection and optical viewing lens systems 58 and 60 have the configuration illustrated.
  • Fig. 6 illustrates another embodiment of the present invention pertaining to a different orientation of the viewing and projecting lens systems 58 and 60 which is more compact than those earlier described.
  • Figs. 7 and 8 depict still further embodiments consistent with the spirit and scope of the present invention.
  • an optical viewing assembly is provided with a display apparatus 44a having in optical communication therewith a viewing optical lens system 60a which directs the displayed virtual or real image to a mirror 72a and then to an viewer.
  • a viewing optical lens system 60a which directs the displayed virtual or real image to a mirror 72a and then to an viewer.
  • the mirror 72a is suitably moved out of optical communication with the viewing optical lens system 60a, whereby the latter is in optical communication with a supplemental lens system 92.
  • the supplemental lens system 92 in combination with the with optical lens system form in effect a projection lens system 94 for projecting the displayed captured image to, for example, the film plane.
  • Fig. 8 provision is made for yet another embodiment, wherein a projection lens system 58b is disposed immediately in front of the display apparatus 44b for projecting the displayed captured image instead of the optical viewing assembly 60a as in the last embodiment.
  • the optical mirror 72b is positioned out of the path of the light rays which are projected to the film plane. If the viewing mode is selected, the mirror 72b is moved into optical communication with the display apparatus 44b, whereby the former directs the real or virtual images to the supplemental lens system 92b to thereby form an optical viewing lens system 60b.
  • Fig. 9 represents yet another embodiment of the present invention in which provision is made for a sliding projecting printer system that is movable between printing and viewing positions.
  • the viewer-printer includes a printing module 102 containing, for instance, a light source, a spatial light modulator, condenser lens and a projecting lens system.
  • the foregoing printing module 102 is operable for projecting an image through an aperture, not shown, onto a photographic film, preferably of the self-developing type housed in an otherwise light-tight enclosure.
  • a suitable shuttering mechanism also not shown, selectively controls the light entering the film/processor module 104 for printing operation.
  • the film/processor module 104 contains for instance a pair of film processing rollers that effect processing of the image film unit.
  • the printer module 102 is moved to a position, whereat it is in optical communication with a viewfinder optic system 106 such that an image that is displayed by the spatial light modulator is viewable by an operator. It is understood, of course, that the printing aperture for the film when the printing module is in the printing position is closed. Moreover the printing module can be moved manually or under motor control.
  • Figs. 10 to 12 illustrate yet another embodiment, wherein there is provided a viewer-printer apparatus 110.
  • This embodiment is similar to that described in Figs. 1 to 3, and similar structure have the same reference numeral with however the addition of a suffix "d".
  • the viewer-printer apparatus is neither permanently attached to nor incorporated in a camera, thus allowing a user to select among cameras with different sized film backs depending on the user's needs and the size of the film format.
  • Refocus could be accomplished by incorporating a weak correction lens at the entrance to the printing unit. If the connection is to be of a couplable or fixed nature, the refocusing of the projection lens can be accomplished by mating features on the two modules.
  • a lens disk (not shown) can be operatively mounted with respect to the projection system and can be automatically moved into place.
  • a manual system could is also envisioned for moving such a lens disk.
  • Figs. 13 to 15 illustrate a printer-projector system 110' made in accordance with the present invention.
  • the printer-projector 110' of this embodiment includes a housing assembly 112 that includes a rear projection viewing screen 114 on the front wall thereof, wherein the projection optical system can display images from the mirror 116 that is fixed in place.
  • An image display apparatus 44 is provided for displaying images thereof from the screen 114 in a viewing mode. If it is desired to print the images, the printer-projector 110' is operated to drive a rectangular dark panel 117 from a position overlying and in light- shielding relationship to the film plane, to one in light blocking relationship to the screen 114.
  • the printing operation can be carried out after a second mirror 118 - initially in light tight relationship over the film plane - us rauded as illustrated in Figs. 14 and 15.
  • printing is effected by projecting the images off the mirror 116 and 118 onto the film plane.
  • the mirror 118 is raised only after the dark panel 116 has achieved its light-tight relationship to the screen 114.
  • the present invention contemplates folding of the components. In certain embodiments of the present invention that do not require an image acquisition assembly ⁇ such as the printer-projector system 110' of Figs. 13 to 15 - means will still be required for receiving and transmitting electronic image- encoding digital information to the reflective flat panel display.
  • the means for receiving and transmitting may comprise simply an electronic port that can be used to electronically link the reflective flat panel display of the inventive device (e.g., a standalone printer embodiment or the printer projector system 110') to an external source of digital image information (e.g., a digital still camera, digital video camera, a digital video disk player, or a personal computer).
  • the electronic port need not establish a direct physical connection, and in fact, there would be clear advantages in certain applications to using a wireless connection (e.g., an infrared port).
  • the means for receiving and transmitting may comprise the well- known readers for the aforementioned digital storage devices (e.g., readers for PCMCIA, FLASH memory, or EEPROM memory cards). Other possibilities will be readily apparent to those skilled in the art in view of the divulgations herein.

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Human Computer Interaction (AREA)
  • Liquid Crystal (AREA)
  • Studio Devices (AREA)

Abstract

L'invention concerne une caméra électronique utilisant un écran plat réfléchissant pour imprimer et/ou visualiser des images. Les composants de ladite caméra sont les suivants: (a) un ensemble électronique d'acquisition d'images destiné à capturer l'image et à la convertir en informations numériques; (b) un micro-écran à cristaux liquides réfléchissant pour produire une image réfléchissante en réponse auxdites informations numériques; et (c) un système optique pour diriger l'image par réflexion produite par le micor-écran à cristaux liquides réfléchissant vers, et par conséquent exposer, le film d'imagerie photosensible chargé dans la caméra. Un des avantages de l'utilisation d'un écran plat réfléchissant pour exposer le film dans une telle caméra électronique réside dans le fait que l'écran plat permet de visualiser ou de prévisualiser des images capturées de manière numérique.
PCT/US2000/024011 1999-09-01 2000-08-31 Camera electronique utilisant un ecran plat reflechissant pour visualiser et imprimer des images WO2001017226A1 (fr)

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US15188499P 1999-09-01 1999-09-01
US60/151,884 1999-09-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7978260B2 (en) 2003-09-15 2011-07-12 Senshin Capital, Llc Electronic camera and method with fill flash function

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680192A2 (fr) * 1994-04-28 1995-11-02 Xerox Corporation Imprimeur numérique utilisant une vanne de lumière bidimensionelle à plein cadre
US5802413A (en) * 1997-09-18 1998-09-01 Eastman Kodak Company Printer receiving electronic camera
DE19807303A1 (de) * 1997-06-30 1999-01-07 Samsung Aerospace Ind Für die Telekommunikation geeignete digitale Einzelbildkamera

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0680192A2 (fr) * 1994-04-28 1995-11-02 Xerox Corporation Imprimeur numérique utilisant une vanne de lumière bidimensionelle à plein cadre
DE19807303A1 (de) * 1997-06-30 1999-01-07 Samsung Aerospace Ind Für die Telekommunikation geeignete digitale Einzelbildkamera
US5802413A (en) * 1997-09-18 1998-09-01 Eastman Kodak Company Printer receiving electronic camera

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7978260B2 (en) 2003-09-15 2011-07-12 Senshin Capital, Llc Electronic camera and method with fill flash function
US8553141B2 (en) 2003-09-15 2013-10-08 Senshin Capital, Llc Electronic camera and method with fill flash function

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