• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    1522226 Controlling light INTERNATIONAL BUSINESS MACHINES CORP 31 March 1976 [29 May 1975] 12974/76 Heading G2F A device for temporarily recording and displaying an incident optical image comprises a layer of material which photoionizes in response to the image light and hence beams imagewise conductive, electrodes being disposed either side of the layer for subsequently applying a current to reversibly oxidize or reduce the material imagewise to a coloured state. On cessation of the current, the coloured state will bleach over a few minutes, bleaching being accelerated if the polarity of the current is reversed. With particular materials image writing or erasure is not possible if both electrodes are the same since colouration and bleaching occur simultaneously at respective electrodes, and dissimilar electrodes, e.g. In 2 O 3 and Al, or a polymer layer containing a redox material over one of an otherwise similar pair of electrodes, are employed. The polymer may be nylon or a sulphorated polystyrene and the redox compound may be ZnCl 2 , Pb(NO 3 ) 2 , Cd(NO 3 ) 2 or Zn(NO 3 ) 2 . The photoionizable material may be a pyrazoline of the Formula: where n is 0 or 1 and A, A<SP>1</SP> and A<SP>2</SP> are aryl; or a spiropyran; or a redox polymeric material such as poly (3-vinyl-10-methyl phenothiazine), with a solvent such as acetonitride, tetrahydrofuran or a chlorinated hydrocarbon. An activator, e.g. a polyhalogenated compound such as CCl 4 or CHCl 3 (others are specified), may be provided, or the solvent may behave as an activator. The incident optical image may be in the visible or U.V.
    公开号:SU803873A3
    申请号:SU762362110
    申请日:1976-05-25
    公开日:1981-02-07
    发明作者:Владимир Поул Роберт；Дэвид Шаттак Мередит；Таверниа Сингербокс Гленн；Вилли Верлих Харальд
    申请人:Интернэшнл Бизнес Машинз Корпо-Рейшн (Фирма)；
    IPC主号:
    专利说明:

    one
    The invention relates to the accumulation of information, namely, devices for optical recording of the image.
    A device for optical image recording is known, which comprises a beam sweep assembly along the surface of a recording medium l J.
    However, this device does not provide for the simplicity of optical image recording. .
    It is also known an optical recording device, an image containing a recording medium located between conductive films fixed on parallel-mounted holders, of which at least one is made transparent, and a constant voltage source 2J
    The disadvantage of such a device is the low contrast of the recorded image.
    The purpose of the invention is to increase the contrast of the recorded image.
    This is achieved by introducing a polarity switch connected between a constant voltage source and conductive films into an optical image recording device, and the recording medium is made of a photo-ionizable, electrochemically painted material containing the solvent and the resulting regenerative reactions . The last can be made in the form of triaryl pyrazoline.
    The drawing shows one of the variants of the device for optical image recording,
    The proposed device contains a recording medium 1 located between the conductive films 2, of which at least one is made transparent. Conductive films are coupled through an annular gasket 3, in the latter. the recording medium, and fixed on parallel-mounted glass holders 4. Between the conductive films 2 and the constant voltage source 5 is switched on Polar switch 6.
    权利要求:
    Claims (2)
    [1]
    The recording medium 1 is made of a photo-ionized, electrochemical painted material containing a solvent and an activator obtained as a result of redox reactions. The latter is made in the form of triaryl pyrazoline. When the recording medium is affected by the light distribution in it, the corresponding is formed: a latent image, which is heated to be visible when potential differences are applied to the conductive films 2 by means of a polarity switch b. When the polarity of the applied potential difference changes, the recorded image is erased. The proposed device enhances the contrast of the recorded image, the claims of the invention 1. A device for optical recording of images containing a recording medium located between conductive films fixed in parallel to the holders, from which at least one is made transparent and the source of the voltage , with the aim that, in order to increase the contrast of the recorded image, a polarity switch is inserted into the device, connected between a constant source and conductive films, and the recording medium is made of a photo-ionizable, electrochemically colored material containing a solvent and obtained as a result of redox reactions an activator, 2. The device according to claim 1, which is made in the form of triaryl pyrazoline. Sources of information taken into account in the examination 1. UK Patent 1324241, cl. G 4 N, pub. 1973.
    [2]
    2. US patent number 3589896, cl. 96-1.5, pub. 1971 (prototype)
    类似技术:
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    US4302751A|1981-11-24|Driver circuit for electrochromic displays
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    US4175836A|1979-11-27|Method and apparatus for forming visible images
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    US4150362A|1979-04-17|Regeneration of a memory state in electrochromic displays
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    EP0351880B1|1994-06-08|Image pickup apparatus
    US5046828A|1991-09-10|Apparatus for reading out a charge latent image
    US4210909A|1980-07-01|Complete bleaching of non-selected display electrodes in an electrochromic display drive
    USRE28199E|1974-10-15|Electro-optical device having variable optical density
    US4837592A|1989-06-06|Method of making an electrochromic layer and new electrochromic device made therefrom
    同族专利:
    公开号 | 公开日
    CH613544A5|1979-09-28|
    JPS51145295A|1976-12-14|
    DE2616625C3|1980-10-09|
    DE2616625A1|1976-12-02|
    JPS5620554B2|1981-05-14|
    GB1522226A|1978-08-23|
    US4126456A|1978-11-21|
    BR7603417A|1976-12-21|
    FR2312808A1|1976-12-24|
    ES448343A1|1977-07-16|
    IT1064163B|1985-02-18|
    SE417646B|1981-03-30|
    FR2312808B1|1979-04-20|
    SE7605879L|1976-11-30|
    DE2616625B2|1980-02-14|
    CA1059229A|1979-07-24|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    US3879197A|1969-09-03|1975-04-22|Itek Corp|Electrophotographic copying process|
    US3970365A|1973-12-26|1976-07-20|American Cyanamid Company|Additives that increase the stability of electrochromic films in electrochromic devices|
    CH573155A5|1974-06-12|1976-02-27|Bbc Brown Boveri & Cie|US4093358A|1976-12-27|1978-06-06|International Business Machines Corporation|High efficiency electrochromic display device|
    US4142783A|1977-05-31|1979-03-06|International Business Machines Corporation|Reversible electrochromic display device having memory|
    SU851320A1|1978-05-16|1981-07-30|Предприятие П/Я Р-6429|Electrochrome indicator|
    US4448493A|1981-02-25|1984-05-15|Toppan Printing Co., Ltd.|Electrochromic display device|
    US4599614A|1983-09-13|1986-07-08|Sumx Corporation|Photoelectrochromic display|
    US5678101A|1995-04-25|1997-10-14|Asahi Kogaku Kogyo Kabushiki Kaisha|Holder assembly for electro-developing recording media and electro-developing type camera with such holder assembly|
    US5892986A|1996-02-14|1999-04-06|Asahi Kogaku Kogyo Kabushiki Kaisha|Image erasing device|
    DE19816675A1|1998-04-15|1999-10-28|Fraunhofer Ges Forschung|Optical component|
    JP3532415B2|1998-07-06|2004-05-31|シャープ株式会社|Information recording device|
    EP1678699A1|2003-10-21|2006-07-12|Koninklijke Philips Electronics N.V.|Display|
    US7208401B2|2004-03-12|2007-04-24|Hewlett-Packard Development Company, L.P.|Method for forming a thin film|
    US8741154B2|2008-10-17|2014-06-03|Remembrance Newcombe|Water denitrification|
    法律状态:
    优先权:
    申请号 | 申请日 | 专利标题
    US05/582,045|US4126456A|1975-05-29|1975-05-29|Visual image recording device|
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