发明名称 Linear variable filter spectrometer
摘要 A produce data collector and produce recognition system which illuminates a produce item with substantially uniform light to enhance the accuracy of collected produce data and subsequent identification of the produce item as part of a transaction in a transaction establishment. The produce data collector includes a light source for illuminating the produce item with substantially uniform light during the transaction, a light separating element for splitting light collected from the produce item into a plurality of different light portions having different wavelengths, a detector for converting energy in the plurality of light portions into a plurality of electrical signals, and control circuitry which digitizes the plurality of electrical signals to produce a digital spectrum from the produce item which contains information to identify the produce item for the purpose of determining its unit price.
申请公布号 US2002020748(A1) 申请公布日期 2002.02.21
申请号 US20010804895 申请日期 2001.03.13
申请人 发明人 GU YEMING;SPENCER MICHAEL A.;COLLINS DONALD A.;TREPTAU JEFFREY P.;AMES STEPHEN J.;SEEVERS DANIEL B.;ALESHIRE REX A.;TANG HONG
分类号 G06K9/20;G07G1/00;(IPC1-7):G06K7/10 主分类号 G06K9/20
代理机构 代理人
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