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US 4,727,396 AGranted
Zoom type copier
AssigneeSharp Kabushiki Kaisha
InventorHirokazu Matsuura
Life of this patent
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Abstract
A magnification variable type electrophotographic copying machine includes a memory for storing a plurality of magnification scales of an original to be copied, a counter for counting the frequency of use for each of the plurality of magnification scales, and a display for displaying the magnification scale with the highest frequency of use when the copying machine is in a magnification variable mode.
Claims3
An electrophotographic copying machine having changeable magnification scales, comprising:
- first memory means having a plurality of memory areas for storing a corresponding plurality of magnification scales;
- means for counting the frequency of use for each of said plurality of magnification scales;
- second memory means, having a plurality of memory areas paired with said plurality of memory areas in said first memory means, for storing a counted frequency for each of said plurality of magnification scales;
- manual selection means for enabling an operator to select one of said plurality of magnification scales;
- automatic selection means for automatically selecting a magnification scale having a highest frequency of use as counted by said means for counting, said automatic selection means being operable in the absence of an operation of said manual selection means;
- and
- means for displaying the magnification scale having the highest frequency of use when said copying machine is in a magnification copying mode.
4 more elements
Dependencies are inferred from the claim text.