Input device

Abstract

Abstract PURPOSE:To improve the operability considerably, by depressing a business key preliminarily only once to input automatically the business code from a host device as required in case that the same business is executed continuously. CONSTITUTION:When a business key of the first key group 1 is depressed, a 4- bit business code is outputted from an encoder 2. After a prescribed time, a set signal is outputted from an OR circuit 4, and said business code is stored in a buffer memory 3 by this signal. The second key group 5 consists of character keys and includes function keys. An 8-bit code is outputted from an encoder 6 by the depression of a certain key of this key group. A selector 7 selects said business code or the code outputted from the encoder 6 and transmits the selected code to a host device through output lines 700-707. The input selection of the selector 7 is controlled by the signal given from the host device through a control line 8.

Inventors

• 👤 Takashi Ohana
• 👤 尾鼻　隆士

Bibliographic Details