JPS567138A - Character board of light pen type input device for photocomposition of electronic computer - Google Patents

Abstract

PURPOSE: To realize the one-touch input by light pen as well as facilitate the operation skill and reduce the misoperation by incorporating the section of the characters on the board surface, the input code section of the characters outside the board surface and the function code section each.

CONSTITUTION: Character board A is divided into board surface character section (a), function code section (b) where the connection is secured between the light pen type perforator used on board A and the photocomposing machine of the electronic computer; input code section (c) for the characters outside the board surface which is related to the characters or the symbols which cannot be stored in section (a); and operation key section (d) which has relation with the operation of the perforator each. In section (a), the spaces of the 1st Chinese character sections 1W4 where the Chinese characters are arranged in alphabetical order or in the order of the Katakana syllabary (Japanese syllabary in square form) and based on the Chinese character arrangement on the character board of the Japanese typewriter are equivalent to 2,040 letters in all. But the number of characters stored actually is about 1,940 in case the headwords are arranged regardless of the output in order to facilitate an easy retrieval. And in the 2nd Chinese character section 15, the characters with consideration given to their using frequency are stored among the characters which corresponds to the space types of the Japanese typewriter.

COPYRIGHT: (C)1981,JPO&Japio