发明名称 A PORTABLE KEYBOARD DEVICE
摘要 Disclosed herein is a portable electronic word-processing unit comprising a manually operable input keyboard, an internal power supply, a display device; output means to enable the word-processing unit to be connected to a printer: and electronic components including memory means and a micro-processor interconnected and programmed so as to receive from the keyboard signals corresponding to alpha-numeric characters and instructions for processing the characters, edit the character signals, feed signals to the display device for display of characters as an edited text, and store the edited text and print format instruction signals available for transmission through the output means. In a preferred embodiment, the keyboard has at least five keys and the microprocessor is programmed to record the signals produced by operation of any one key or a combination of up to a maximum of five keys to generate a coded signal representing a particular alpha-numeric character or processing instruction.
申请公布号 ZA7900886(B) 申请公布日期 1980.03.26
申请号 ZA19790000886 申请日期 1979.02.23
申请人 ENDFIELD C 发明人 ENDFIELD C
分类号 H03M11/08;B41J5/10;G06F3/023;G06F17/22 主分类号 H03M11/08
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