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    • 4. 发明授权
    • Recording method, decoding method, and decoding apparatus for digital
information
    • 用于数字信息的记录方法,解码方法和解码装置
    • US5686718A
    • 1997-11-11
    • US616446
    • 1996-03-15
    • Toshiyuki IwaiAtsushi AokiMasahiro EsashiHiroaki Niwamoto
    • Toshiyuki IwaiAtsushi AokiMasahiro EsashiHiroaki Niwamoto
    • G06K1/12G06K7/00G06K7/10G06K19/06
    • G06K19/06037Y10S235/90
    • There is provided a method for recording digital information that, when digital information is recorded as a two-dimensional pattern on a planar recording surface, the digital information can be easily coded and decoded. A specific pattern for representing a location within the recording surface is made up by giving marks in a specified pattern to a plurality of meshes which are adjoined to one another into a specific shape. A rectangular block is composed of a plurality of meshes adjoined to one another longitudinally and transversely into a rectangular shape and has longitudinal and transverse dimensions larger than those of the specific pattern. A segment in which the specific patterns are overlaid in the units of meshes or circumscribed to the rectangular block is set. An information recording area for expressing the two-dimensional pattern is composed by arraying a plurality of the segments without clearances on the recording surface. The digital information to be recorded is divided according to the number of the segments and then resulting pieces of unitary information are recorded into the segments.
    • 提供了一种用于记录数字信息的方法,当数字信息在平面记录表面上被记录为二维图案时,可以容易地对数字信息进行编码和解码。 用于表示记录表面内的位置的特定图案是通过以指定图案向彼此相邻的多个网格赋予特定的形状来构成的。 矩形块由纵向和横向彼此相邻的多个网格构成,并且具有比特定图案的纵向和横向尺寸更大的纵向和横向尺寸。 将特定图案以网格单元重叠或外切到矩形块的段设置。 用于表示二维图案的信息记录区域是通过在记录表面上排列多个片段而没有间隙而组成的。 要记录的数字信息根据段的数量被划分,然后将所得到的单个信息片段记录到段中。