JPS61148636U

JPS61148636U -

Info

Publication number: JPS61148636U
Application number: JP2661686U
Authority: JP
Priority date: 1986-02-27
Filing date: 1986-02-27
Publication date: 1986-09-13

Description

[Brief explanation of the drawing]

第１図ないし第７図は本考案の一実施例を示す
もので、第１図は印字機構の概略構成図、第２図
は印字ヘツドのプリントワイヤ配置構成例を示す
図、第３図は制御部を示すブロツク図、第４図は
第３図における入力バツフア、ゲート回路、コー
ド判別回路部分の詳細を示す図、第５図は第３図
における印字制御回路の詳細を示す図、第６図は
動作を説明するためのタイムチヤート、第７図ａ
，ｂは印字例を示す図、第８図は本考案の他の実
施例における印字ヘツドのプリントワイヤ配置構
成例を示す図である。４……印字ヘツド、１１……英字の小文字用プ
リントワイヤ、１２……英字の大文字用プリント
ワイヤ、２３……判別回路、２８……印字制御回
路。 1 to 7 show an embodiment of the present invention, in which FIG. 1 is a schematic diagram of the printing mechanism, FIG. 2 is a diagram showing an example of the print wire arrangement of the print head, and FIG. 4 is a block diagram showing the control section; FIG. 4 is a diagram showing details of the input buffer, gate circuit, and code discrimination circuit portion in FIG. 3; FIG. 5 is a diagram showing details of the print control circuit in FIG. 3; The figure is a time chart to explain the operation, Figure 7a
, b are diagrams showing printing examples, and FIG. 8 is a diagram showing an example of the print wire arrangement configuration of the print head in another embodiment of the present invention. 4... Print head, 11... Print wire for lowercase alphabetic characters, 12... Print wire for uppercase alphabetic characters, 23... Discrimination circuit, 28... Print control circuit.

Claims

[Scope of utility model registration request]

An alphabetic lowercase pattern generation circuit that generates an alphabetic lowercase pattern, an alphabetic uppercase pattern generation circuit that generates an uppercase alphabetic pattern, a discrimination circuit that discriminates the content of print data input from the outside, and this discrimination circuit. Selection means for selecting the lowercase alphabetic character pattern generation circuit or the uppercase alphabetic character pattern generation circuit according to the determination result, a printing element group for lowercase alphabetic characters provided corresponding to the lowercase alphabetic character pattern generation circuit, and the alphabetic character. a print head in which a group of printing elements for uppercase alphabetic characters is arranged corresponding to the uppercase character pattern generation circuit; A dot printer device characterized by a means for driving and performing predetermined printing.