JPS63101545U - - Google Patents

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Publication number
JPS63101545U
JPS63101545U JP20230286U JP20230286U JPS63101545U JP S63101545 U JPS63101545 U JP S63101545U JP 20230286 U JP20230286 U JP 20230286U JP 20230286 U JP20230286 U JP 20230286U JP S63101545 U JPS63101545 U JP S63101545U
Authority
JP
Japan
Prior art keywords
circuit
resistor
thermal head
monomulti
pulse signal
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
JP20230286U
Other languages
Japanese (ja)
Other versions
JPH0611801Y2 (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 JP1986202302U priority Critical patent/JPH0611801Y2/en
Publication of JPS63101545U publication Critical patent/JPS63101545U/ja
Application granted granted Critical
Publication of JPH0611801Y2 publication Critical patent/JPH0611801Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

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

第１図は本考案になるサーマルヘツド駆動装置
を示すブロツク図、第２図は従来のサーマルヘツ
ド駆動装置を示すブロツク図、第３図はその動作
を示すタイミングチヤート、である。図において
、 １はモノマルチ、２はデータラツチ回路、３は
ドライバ回路、４はサーマルヘツド、５は自動選
択抵抗回路、５１，５２は抵抗、５３はダイオー
ド、５４は電圧レベル検出回路、５５は基準電圧
発生部、５６は入力回路、５７は出力部、５８，
５９は出力端子、をそれぞれ表す。 FIG. 1 is a block diagram showing a thermal head driving device according to the present invention, FIG. 2 is a block diagram showing a conventional thermal head driving device, and FIG. 3 is a timing chart showing its operation. In the figure, 1 is a monomulti, 2 is a data latch circuit, 3 is a driver circuit, 4 is a thermal head, 5 is an automatic selection resistor circuit, 51 and 52 are resistors, 53 is a diode, 54 is a voltage level detection circuit, and 55 is a reference. Voltage generation section, 56 is an input circuit, 57 is an output section, 58,
59 represents output terminals.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外付け抵抗と外付けコンデンサを有しパルス信
号を発生するモノマルチ１と、入力された印字デ
ータの幅を該パルス信号により変換するデータラ
ツチ回路２と、該データラツチ回路２から順次出
力される信号に基づいて、サーマルヘツド４に電
圧を印加するドライバ回路３とを具え、複数個の
抵抗５１，５２、ダイオード５３、および電圧レ
ベル検出回路５４からなる自動選択抵抗回路５を
、該モノマルチ１の外付け抵抗としてなることを
特徴とするサーマルヘツド駆動装置。 A monomulti 1 that has an external resistor and an external capacitor and generates a pulse signal, a data latch circuit 2 that converts the width of input print data using the pulse signal, and a signal that is sequentially output from the data latch circuit 2. Based on this, an automatic selection resistor circuit 5 comprising a driver circuit 3 for applying a voltage to the thermal head 4, a plurality of resistors 51, 52, a diode 53, and a voltage level detection circuit 54 is installed outside the monomulti 1. A thermal head driving device characterized in that it serves as an attached resistor.
JP1986202302U 1986-12-24 1986-12-24 Thermal head drive Expired - Lifetime JPH0611801Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986202302U JPH0611801Y2 (en) 1986-12-24 1986-12-24 Thermal head drive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986202302U JPH0611801Y2 (en) 1986-12-24 1986-12-24 Thermal head drive

Publications (2)

Publication Number Publication Date
JPS63101545U true JPS63101545U (en) 1988-07-01
JPH0611801Y2 JPH0611801Y2 (en) 1994-03-30

Family

ID=31166552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986202302U Expired - Lifetime JPH0611801Y2 (en) 1986-12-24 1986-12-24 Thermal head drive

Country Status (1)

Country Link
JP (1) JPH0611801Y2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111681A (en) * 1980-02-08 1981-09-03 Tohoku Oki Denki Kk Adjustment of driving condition of thermal printer head
JPS57110467A (en) * 1980-12-29 1982-07-09 Seiko Epson Corp Thermal printer driving circuit
JPS594267A (en) * 1982-06-30 1984-01-11 Ricoh Co Ltd Density control circuit for temperature compensation in heat-sensing recording

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56111681A (en) * 1980-02-08 1981-09-03 Tohoku Oki Denki Kk Adjustment of driving condition of thermal printer head
JPS57110467A (en) * 1980-12-29 1982-07-09 Seiko Epson Corp Thermal printer driving circuit
JPS594267A (en) * 1982-06-30 1984-01-11 Ricoh Co Ltd Density control circuit for temperature compensation in heat-sensing recording

Also Published As

Publication number Publication date
JPH0611801Y2 (en) 1994-03-30

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