JPS641941U

JPS641941U -

Info

Publication number: JPS641941U
Application number: JP9623787U
Authority: JP
Priority date: 1987-06-23
Filing date: 1987-06-23
Publication date: 1989-01-09

Description

[Brief explanation of the drawing]

第１図ａ及びｂはそれぞれ本考案の一実施例に
係わる小型カラープリンタの外観構成を示す上面
図及び正面図、第２図ａ及びｂはそれぞれ上記小
型カラープリンタのプリント部の構成を示す側断
面図及び正断面図、第３図は上記小型カラープリ
ンタの電子回路の構成を示すブロツク図、第４図
は上記電子回路内の濃度データ格納ＲＡＭにおけ
るメモリ状態を示す図、第５図及び第６図は上記
小型カラープリンタによる被プリント画像データ
の入力処理及びプリント処理を示すフローチヤー
ト、第７図は上記小型カラープリンタの走査移動
に応じて３原色個々のプリント動作を示すタイミ
ングチヤートである。１……ビデオ入力端子、２……パワースイツチ
、３……プリントスイツチ、４……ＲＥＡＤＹイ
ンジケータ、５……ＥＲＲＯＲインジケータ、１
１……プリンタ本体、１２……電源及び電子回路
格納部、１３ｃ，１３ｍ，１３ｙ……リボン供給
スプール、１４ｃ，１４ｍ，１４ｙ……リボン巻
取りスプール、１５……定速送りローラ、１６ｃ
，１６ｍ，１６ｙ……サーマルヘツド、１７ｃ…
…シアンインクリボン、１７ｍ……マゼンタイン
クリボン、１７ｙ……イエロインクリボン、１８
ｃ，１８ｍ，１８ｙ……巻取り歯車、１９ａ，１
９ｂ……ゴムローラ、２０……フオトセンサ、２
１……ＬＥＤ、２２……エンコーダデイスク、２
３ａ，２３ｂ，２３ｃ，２４，２６ａ，２６ｂ…
…歯車、２５……エンコーダ、３１……アナログ
制御部、３２……デジタル制御部、３３……操作
部、３４……インジケータ、３５……Ｒ．Ｇ．Ｂ
変換部、３６……Ａ／Ｄ変換部、３７……Ｃ．Ｍ
．Ｙ変換部、３８ｃ，３８ｍ，３８ｙ……濃度デ
ータ格納ＲＡＭ、３９……パルスカウンタ、４０
……カウントデコーダ、４１ｃ，４１ｍ，４１ｙ
……ＲＡＭアドレス部、４２……通電時間データ
変換部、４３ｃ，４３ｍ，４３ｙ……サーマルヘ
ツド駆動部。 1A and 1B are a top view and a front view, respectively, showing the external configuration of a compact color printer according to an embodiment of the present invention, and FIGS. 2A and 2B are side views, respectively, showing the configuration of the printing section of the compact color printer. 3 is a block diagram showing the configuration of the electronic circuit of the small color printer, FIG. 4 is a diagram showing the memory state of the density data storage RAM in the electronic circuit, and FIGS. FIG. 6 is a flowchart showing input processing and printing processing of image data to be printed by the small-sized color printer, and FIG. 7 is a timing chart showing printing operations for each of the three primary colors in accordance with the scanning movement of the small-sized color printer. 1...Video input terminal, 2...Power switch, 3...Print switch, 4...READY indicator, 5...ERROR indicator, 1
1...Printer main body, 12...Power supply and electronic circuit storage section, 13c, 13m, 13y...Ribbon supply spool, 14c, 14m, 14y...Ribbon take-up spool, 15...Constant speed feed roller, 16c
, 16m, 16y... thermal head, 17c...
...Cyan ink ribbon, 17m...Magenta ink ribbon, 17y...Yellow ink ribbon, 18
c, 18m, 18y... Winding gear, 19a, 1
9b...Rubber roller, 20...Photo sensor, 2
1...LED, 22...Encoder disk, 2
3a, 23b, 23c, 24, 26a, 26b...
... Gear, 25 ... Encoder, 31 ... Analog control section, 32 ... Digital control section, 33 ... Operation section, 34 ... Indicator, 35 ... R. G. B
Conversion section, 36...A/D conversion section, 37...C. M
．． Y converter, 38c, 38m, 38y...Density data storage RAM, 39...Pulse counter, 40
...Count decoder, 41c, 41m, 41y
...RAM address section, 42... Energization time data conversion section, 43c, 43m, 43y... Thermal head drive section.

Claims

[Scope of utility model registration request]

In a small color printer that prints by bringing the print head into contact with recording paper and moving the device body, there is a means for converting color image data into density data of three primary colors, and a method for converting color image data into density data of three primary colors. means for storing density data of the three primary colors for each primary color; three print heads that print the corresponding primary colors based on the density data of each of the three primary colors stored by the storage means; a means for detecting a moving distance; a means for detecting movement of the apparatus main body corresponding to the installation interval of the three print heads described above based on distance detection data by the moving distance detecting means; A small color printer characterized by comprising means for controlling the drive of each print head.