JPS58155238U - Thermal printer control device - Google Patents

Thermal printer control device

Info

Publication number
JPS58155238U
JPS58155238U JP5248982U JP5248982U JPS58155238U JP S58155238 U JPS58155238 U JP S58155238U JP 5248982 U JP5248982 U JP 5248982U JP 5248982 U JP5248982 U JP 5248982U JP S58155238 U JPS58155238 U JP S58155238U
Authority
JP
Japan
Prior art keywords
control device
signal
pulse signal
thermal printer
timing
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.)
Pending
Application number
JP5248982U
Other languages
Japanese (ja)
Inventor
俊夫 柿澤
Original Assignee
株式会社東芝
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 by 株式会社東芝 filed Critical 株式会社東芝
Priority to JP5248982U priority Critical patent/JPS58155238U/en
Publication of JPS58155238U publication Critical patent/JPS58155238U/en
Pending legal-status Critical Current

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  • Electronic Switches (AREA)
  • Fax Reproducing Arrangements (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

図面は本考案の一実施例を説明するためのもので、第１
図は全体の概略的電気構成を示すブロック図、第２図は
概略的な作用説明用のタイムチャート、第３図は要部の
電気回路図、第４図は同要部の作用説明用のタイムチャ
ート、第５図は電源電圧とパルス信号のパルス幅との関
係を示す特性図である。 ゛　図中、１はサーマルヘッド、１ａは発熱素子、７は
タイミング回路、８は補償回路、２３はコンパレータ、
２６はコンデンサである。The drawings are for explaining one embodiment of the present invention.
The figure is a block diagram showing the general electrical configuration of the whole, Figure 2 is a time chart for explaining the general operation, Figure 3 is an electrical circuit diagram of the main part, and Figure 4 is a diagram for explaining the operation of the main part. The time chart in FIG. 5 is a characteristic diagram showing the relationship between the power supply voltage and the pulse width of the pulse signal.゛ In the figure, 1 is a thermal head, 1a is a heating element, 7 is a timing circuit, 8 is a compensation circuit, 23 is a comparator,
26 is a capacitor.

Claims (1)

【実用新案登録請求の範囲】 １　印字信号により指定されたサーマルヘッドの発熱素
子に対しタイミング回路からのタイミング信号に同期し
て通電させるようにしたものにおいて、前記タイミング
信号に同期してパルス信号を出力するように設けられそ
のパルス信号のパルス幅を電源電圧に応じて変化させる
補償回路と、前記発熱素子の通電時間を前記共ルス信号
のパルス幅に応じて変化させる制御回路とを設けたこと
を特徴とするサーマルプリンタの制御装置。 ２　補償回路は、タイミング信号の有無に応じて電源電
圧による充電及び放電を行なうコンデンサと、このコン
デンサの端子電圧と基準電圧とを比較するコンパルータ
とを有し、このコンパレークからパルス信号を出力する
構成になされていることを特徴とする実用新案登録請求
の範囲第１項に記載のサーマルプリンタの制御装置。[Claims for Utility Model Registration] 1. In a device in which a heating element of a thermal head designated by a print signal is energized in synchronization with a timing signal from a timing circuit, a pulse signal is transmitted in synchronization with the timing signal. A compensation circuit that is provided to output a pulse signal and changes the pulse width of the pulse signal in accordance with the power supply voltage, and a control circuit that changes the energization time of the heating element in accordance with the pulse width of the common pulse signal. A thermal printer control device featuring: 2. The compensation circuit includes a capacitor that charges and discharges with the power supply voltage depending on the presence or absence of a timing signal, and a comparator that compares the terminal voltage of this capacitor with a reference voltage, and outputs a pulse signal from this comparator. A control device for a thermal printer according to claim 1, characterized in that the control device is configured as follows.
JP5248982U 1982-04-09 1982-04-09 Thermal printer control device Pending JPS58155238U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5248982U JPS58155238U (en) 1982-04-09 1982-04-09 Thermal printer control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5248982U JPS58155238U (en) 1982-04-09 1982-04-09 Thermal printer control device

Publications (1)

Publication Number Publication Date
JPS58155238U true JPS58155238U (en) 1983-10-17

Family

ID=30063199

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5248982U Pending JPS58155238U (en) 1982-04-09 1982-04-09 Thermal printer control device

Country Status (1)

Country Link
JP (1) JPS58155238U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6327272A (en) * 1986-07-21 1988-02-04 Terumo Corp Thermal printer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219544A (en) * 1975-11-18 1977-02-14 Seiko Epson Corp Voltage compensation control system for the thermal printer
JPS5595584A (en) * 1979-01-16 1980-07-19 Seiko Epson Corp Control of thermal printer
JPS5640572A (en) * 1979-09-12 1981-04-16 Seiko Instr & Electronics Ltd Printing density control circuit for thermal printer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5219544A (en) * 1975-11-18 1977-02-14 Seiko Epson Corp Voltage compensation control system for the thermal printer
JPS5595584A (en) * 1979-01-16 1980-07-19 Seiko Epson Corp Control of thermal printer
JPS5640572A (en) * 1979-09-12 1981-04-16 Seiko Instr & Electronics Ltd Printing density control circuit for thermal printer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6327272A (en) * 1986-07-21 1988-02-04 Terumo Corp Thermal printer

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