Printing device

阅读:84发布:2023-12-30

专利汇可以提供Printing device专利检索,专利查询,专利分析的服务。并且PURPOSE: To ensure the control in the printing device having a key input part and a printing part, by providing microprocessors, read only memories, and random access memories in the key input part and the printing part, respectively.
CONSTITUTION: The microprocessors MPU1 and MPU2 perform a series of required processing when a power source is turned ON. The standy state for key depression is obtained by a keyboard KBU. When the key is depressed, the microprocessor MPU1 accesses the key board KBU, takes the row number and column number, and performs the internal processing with regard to characters. Then, the processing with regard to the printing, i.e. processing of the position of the applicable characters and the like on a type wheel PW, is performed. Then the data is transferred to the microprocessor MPU2 through an interface ITF. The MPU2 gives the instructions to type wheel control and driving part WLD and performs printing.
COPYRIGHT: (C)1983,JPO&Japio,下面是Printing device专利的具体信息内容。

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