发明授权
- 专利标题: Memory circuit for generating liquid crystal display characters
- 专利标题(中): 用于产生液晶显示字符的存储电路
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申请号: US329047申请日: 1981-12-09
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公开(公告)号: US4414545A公开(公告)日: 1983-11-08
- 发明人: Hiroshi Sakurada , Naofumi Aoyama
- 申请人: Hiroshi Sakurada , Naofumi Aoyama
- 申请人地址: JPX Tokyo
- 专利权人: Hitachi, Ltd.
- 当前专利权人: Hitachi, Ltd.
- 当前专利权人地址: JPX Tokyo
- 优先权: JPX55-177271 19801217
- 主分类号: G09G3/18
- IPC分类号: G09G3/18 ; G06F3/147 ; G09G3/00 ; G09G3/36 ; G09G5/22
摘要:
A liquid crystal display character generator circuit comprises a first RAM for temporarily storing information to be displayed on a liquid crystal display unit, a ROM for storing standard character patterns corresponding to the information to be displayed, a second RAM operable to store special character patterns corresponding to the information to be displayed, and a data selector for enabling the designation of an address in one of the ROM and the second RAM in accordance with the information stored in the first RAM.
公开/授权文献
- US5787198A Text recognition using two-dimensional stochastic models 公开/授权日:1998-07-28
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