JPS6283637U - - Google Patents

Info

Publication number
JPS6283637U
JPS6283637U JP17696085U JP17696085U JPS6283637U JP S6283637 U JPS6283637 U JP S6283637U JP 17696085 U JP17696085 U JP 17696085U JP 17696085 U JP17696085 U JP 17696085U JP S6283637 U JPS6283637 U JP S6283637U
Authority
JP
Japan
Prior art keywords
thermal head
output port
microprocessor
voltage
dots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP17696085U
Other languages
Japanese (ja)
Other versions
JPH056131Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1985176960U priority Critical patent/JPH056131Y2/ja
Publication of JPS6283637U publication Critical patent/JPS6283637U/ja
Application granted granted Critical
Publication of JPH056131Y2 publication Critical patent/JPH056131Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Electronic Switches (AREA)

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の一実施例を示すブロツク図、
第２図は第１図の動作を説明するためのタイムチ
ヤート、第３図は従来のサーマルプリンタにおけ
るサーマルヘツドの駆動系統の一例を示すブロツ
ク図である。 １……マイクロプロセツサ（ＣＰＵ）、２……
駆動回路、３……サーマルヘツド、４……Ｄ／Ａ
変換器、５……ラツチ回路、ｄ……発熱素子（ド
ツト）。 FIG. 1 is a block diagram showing an embodiment of the present invention.
FIG. 2 is a time chart for explaining the operation of FIG. 1, and FIG. 3 is a block diagram showing an example of a drive system for a thermal head in a conventional thermal printer. 1... Microprocessor (CPU), 2...
Drive circuit, 3... thermal head, 4... D/A
Converter, 5...Latch circuit, d...Heating element (dot).

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクロプロセツサによりサーマルヘツドの駆
動電圧を制御するとともにサーマルヘツドのドツ
トを選択的に発熱駆動するように構成されたサー
マルプリンタにおいて、サーマルヘツドのドツト
を選択的に発熱駆動するための記録データが出力
される出力ポートの一部にマイクロプロセツサか
ら加えられるラツチ信号に従つてサーマルヘツド
の駆動電圧を制御する電圧データをラツチするラ
ツチ回路を接続し、記録データ出力ポートの一部
を電圧データ出力ポートとして共用することを特
徴とするサーマルプリンタ。 In a thermal printer configured to control the drive voltage of the thermal head using a microprocessor and selectively drive the dots of the thermal head to generate heat, recording data for selectively driving the dots of the thermal head to generate heat is output. A latch circuit that latches voltage data that controls the drive voltage of the thermal head according to a latch signal applied from the microprocessor is connected to a part of the output port to be output, and a part of the recording data output port is used as a voltage data output port. A thermal printer characterized in that it can be used in common.
JP1985176960U 1985-11-18 1985-11-18 Expired - Lifetime JPH056131Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985176960U JPH056131Y2 (en) 1985-11-18 1985-11-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985176960U JPH056131Y2 (en) 1985-11-18 1985-11-18

Publications (2)

Publication Number Publication Date
JPS6283637U true JPS6283637U (en) 1987-05-28
JPH056131Y2 JPH056131Y2 (en) 1993-02-17

Family

ID=31117708

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985176960U Expired - Lifetime JPH056131Y2 (en) 1985-11-18 1985-11-18

Country Status (1)

Country Link
JP (1) JPH056131Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156280A (en) * 1981-03-20 1982-09-27 Shinko Electric Co Ltd Thermal printer
JPS60225930A (en) * 1984-04-25 1985-11-11 Ascii Corp Printer interface in composite function cpu

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57156280A (en) * 1981-03-20 1982-09-27 Shinko Electric Co Ltd Thermal printer
JPS60225930A (en) * 1984-04-25 1985-11-11 Ascii Corp Printer interface in composite function cpu

Also Published As

Publication number Publication date
JPH056131Y2 (en) 1993-02-17

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