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Patent JPS5699332A successfully refreshed from Google Patents.
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JPS5699332A Expired / Lapsed JP ⏱️ 0.0 years remaining

Information mark display device

Assignee: Canon Inc
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Filing: 1980-01-10
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Granted: —
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Expires: 2000-01-10
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Abstract

Abstract PURPOSE: To make the device to be produced inexpensively by forming an information mark display part with the aggregation of microprisms and forming at least one slope constituting the invidual prisms as a face for information mark display. CONSTITUTION: An information mark display part 17 formed according to the information marks to be displayed is provided to at least one face of a flat-plate like transparent substrate 6, and displaying of information marks is accomplished when this display part 17 is lighted by the lighting luminous flux 18 from a lighting light source 12. This information mark display part 17 is formed by the aggregation of microprisms. At this time, at least one slope 27 constituting the individual prisms is used as a face for information mark display so that the displaying of information marks is accomplished by the deflection of the lighting luminous flux 18 from the lighting light source 12 on the slope 27. COPYRIGHT: (C)1981,JPO&Japio

Inventors

  • 👤 Takashi Suzuki
  • 👤 Nozomi Kitagishi

Bibliographic Details

Application Number —
Jurisdiction JP
Data Source google_patents
Last Synchronized 2026-11-09 19:46
CPC Classifications
G; G12; G12B; G12B11/00; G03; G03B; G03B17/00; G03B17/18; G03B17/20

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