JPS59153133U - Heat generating head drive circuit - Google Patents
Heat generating head drive circuitInfo
- Publication number
- JPS59153133U JPS59153133U JP4476683U JP4476683U JPS59153133U JP S59153133 U JPS59153133 U JP S59153133U JP 4476683 U JP4476683 U JP 4476683U JP 4476683 U JP4476683 U JP 4476683U JP S59153133 U JPS59153133 U JP S59153133U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- heat generating
- circuit
- drive circuit
- generating head
- 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
Links
Landscapes
- Electronic Switches (AREA)
- Facsimile Heads (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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の対象とする発熱ヘッドの説明図、第２
図は本考案の一実施例回路図である。
図中、１・・・感熱紙、３・・・発熱素子、１５・・・
トランジスタ、１６・・・電圧制御回路、１７・・・サ
ーミスタ（感温抵抗素子）。Figure 1 is an explanatory diagram of the heat generating head to which the present invention is applied;
The figure is a circuit diagram of an embodiment of the present invention. In the figure, 1... thermal paper, 3... heating element, 15...
Transistor, 16... Voltage control circuit, 17... Thermistor (temperature sensitive resistance element).
Claims (2)
体に熱エネルギーを与え該感熱記録媒体に感熱記録を行
うための発熱ヘッドの駆動回路において、該複数の発熱
素子に印加電圧を与える電圧供給回路と、該複数の発熱
素子をプリントデータに従って選択する選択回路とを有
するとともに周囲温度によってその抵抗値が変化する感
温抵抗素子を該電圧供給回路に設けて、該電圧供給回路
の出力である印加電圧を制御することを特徴とする発熱
ヘッドの駆動回路。(1) In a drive circuit for a heat generating head in which a heat generating head having a plurality of heat generating elements applies thermal energy to a heat sensitive recording medium and performs thermal recording on the heat sensitive recording medium, voltage supply is applied to apply voltage to the plurality of heat generating elements. and a selection circuit for selecting the plurality of heating elements according to print data, and a temperature-sensitive resistance element whose resistance value changes depending on the ambient temperature is provided in the voltage supply circuit, and the output of the voltage supply circuit is A drive circuit for a heating head characterized by controlling applied voltage.
ことを特徴とする実用新案登録請求の範囲第（１）項記
載の発熱ヘッドの駆動回路。 ・（３）前記定電圧回路が、前記印加電圧を変化するた
めのトランジスタと、前記印加電圧の分圧電圧が一定と
なる様に該トランジスタを制御する電圧制御回路とを含
み、前記感温抵抗素子が該分圧電圧を変化する様に接続
されたことを特徴とする実用新案登録請求の範囲第（２
）項記載の発熱ヘッドの駆動回路。(2) A drive circuit for a heat generating head according to claim (1), wherein the voltage supply circuit is constituted by a constant voltage circuit. - (3) The constant voltage circuit includes a transistor for changing the applied voltage and a voltage control circuit that controls the transistor so that the divided voltage of the applied voltage is constant, and Utility model registration claim No. 2, characterized in that the elements are connected so as to change the divided voltage.
) The drive circuit for the heat generating head described in item 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4476683U JPS59153133U (en) | 1983-03-28 | 1983-03-28 | Heat generating head drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4476683U JPS59153133U (en) | 1983-03-28 | 1983-03-28 | Heat generating head drive circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59153133U true JPS59153133U (en) | 1984-10-13 |
Family
ID=30175292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4476683U Pending JPS59153133U (en) | 1983-03-28 | 1983-03-28 | Heat generating head drive circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59153133U (en) |
-
1983
- 1983-03-28 JP JP4476683U patent/JPS59153133U/en active Pending
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