发明名称 Facsimile with user selective compression methods
摘要 An apparatus having the G4 method and the JPEG method allows for the selection of standard resolution (200 dpix200 dp) or precision resolution (400 dpix400 dpi) by using a resolution selection key of operation unit 26 in order to improve the operativity and extend the breadth of selection of image quality. For each selection of standard resolution or precision resolution, the resolution and code information for designating quantization table for use with JPEG are stored in RAM 16, with its memory area being backed up by a battery.
申请公布号 US5488483(A) 申请公布日期 1996.01.30
申请号 US19940313396 申请日期 1994.09.27
申请人 CANON KABUSHIKI KAISHA 发明人 MURAYAMA, MASAHIRO
分类号 H04N1/333;H04N1/46;(IPC1-7):H04N1/46;H04N1/41;H04N7/01 主分类号 H04N1/333
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