JPS6120337U - Thermal head burnout prevention circuit - Google Patents

Thermal head burnout prevention circuit

Info

Publication number
JPS6120337U
JPS6120337U JP10306684U JP10306684U JPS6120337U JP S6120337 U JPS6120337 U JP S6120337U JP 10306684 U JP10306684 U JP 10306684U JP 10306684 U JP10306684 U JP 10306684U JP S6120337 U JPS6120337 U JP S6120337U
Authority
JP
Japan
Prior art keywords
drive
thermal head
prevention circuit
burnout prevention
control
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
JP10306684U
Other languages
Japanese (ja)
Inventor
康明 渋谷
Original Assignee
富士ゼロックス株式会社
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 富士ゼロックス株式会社 filed Critical 富士ゼロックス株式会社
Priority to JP10306684U priority Critical patent/JPS6120337U/en
Publication of JPS6120337U publication Critical patent/JPS6120337U/en
Pending legal-status Critical Current

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  • Electronic Switches (AREA)
  • Accessory Devices And Overall Control Thereof (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) [Summary] 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]

第１図は従来の回路例を示した図、第２図および第３図
は従来回路例の動作を示すタイミングチャート、第４図
は本考案の実施例の実施回路例を示した図、第５図、第
６図および第７図は本実施例の回路の動作を示すタイミ
ングチャートである。 ０１・・・ＣＰＵ，０２・・・リトリガーワンシヨット
回路、０３・・・ＡＮＤ回路、１・・・ＣＰＵ， ２・
・・Ｄ型フリツプフロツプ、３・・・ＮＯＲ回路、４・
・・トリガーワンショット回路、５・・・リトリガーワ
ンシヨット回路、６・・−ＡＮＤ回路。FIG. 1 is a diagram showing a conventional circuit example, FIGS. 2 and 3 are timing charts showing the operation of the conventional circuit example, FIG. 4 is a diagram showing an implementation circuit example of the embodiment of the present invention, and FIG. 5, 6 and 7 are timing charts showing the operation of the circuit of this embodiment. 01...CPU, 02...Retrigger one-shot circuit, 03...AND circuit, 1...CPU, 2.
・・D flip-flop, 3・NOR circuit, 4・
...Trigger one-shot circuit, 5...Retrigger one-shot circuit, 6...-AND circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 感熱式画像記録装置において、サーマルヘッドの駆動制
御に関し、該駆動を制御する制御信号を出力するコンピ
ュータと、駆動時にその駆動を一定時間のみ補償する駆
動補償手段と、前記コンピュータの暴走による異常信号
に対して駆動を禁止する駆動禁止手段とを備えたことを
特徴とするサーマルヘッド焼損防止回路。In a thermal image recording apparatus, regarding the drive control of the thermal head, there is provided a computer that outputs a control signal to control the drive, a drive compensation means that compensates for the drive only for a certain period of time during drive, and an abnormal signal due to runaway of the computer. A thermal head burnout prevention circuit comprising a drive inhibiting means for inhibiting the thermal head from being driven.
JP10306684U 1984-07-10 1984-07-10 Thermal head burnout prevention circuit Pending JPS6120337U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10306684U JPS6120337U (en) 1984-07-10 1984-07-10 Thermal head burnout prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10306684U JPS6120337U (en) 1984-07-10 1984-07-10 Thermal head burnout prevention circuit

Publications (1)

Publication Number Publication Date
JPS6120337U true JPS6120337U (en) 1986-02-05

Family

ID=30662461

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10306684U Pending JPS6120337U (en) 1984-07-10 1984-07-10 Thermal head burnout prevention circuit

Country Status (1)

Country Link
JP (1) JPS6120337U (en)

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