JPS62182742U - - Google Patents

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Publication number
JPS62182742U
JPS62182742U JP6990186U JP6990186U JPS62182742U JP S62182742 U JPS62182742 U JP S62182742U JP 6990186 U JP6990186 U JP 6990186U JP 6990186 U JP6990186 U JP 6990186U JP S62182742 U JPS62182742 U JP S62182742U
Authority
JP
Japan
Prior art keywords
magnetic card
current detection
detection resistor
card reader
closely attached
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
JP6990186U
Other languages
Japanese (ja)
Other versions
JPH0428774Y2 (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 JP1986069901U priority Critical patent/JPH0428774Y2/ja
Publication of JPS62182742U publication Critical patent/JPS62182742U/ja
Application granted granted Critical
Publication of JPH0428774Y2 publication Critical patent/JPH0428774Y2/ja
Expired legal-status Critical Current

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Description

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

第１図は本考案に用いられる抵抗体の配列を示
す図、第２図は本考案による磁気カードリーダに
密着される抵抗体の駆動回路を示す。第３図は従
来の磁気カードリーダに用いられる抵抗体、第４
図はその駆動回路を示す。 図において、１，１１，Ｒ１，Ｒ２，Ｒ３，Ｒ
４：抵抗体、ＲＶ：電流検出用抵抗、Ｖｃｃ：電
源電圧、ＴＲ：スイツチング、トランス、ＳＷ：
制御部、ＣＶ：定電流電源、ＣＭＰ：電圧比較回
路、ＳＩＧ：異常信号。 FIG. 1 is a diagram showing an arrangement of resistors used in the present invention, and FIG. 2 is a diagram showing a drive circuit for the resistors closely attached to a magnetic card reader according to the present invention. Figure 3 shows a resistor used in a conventional magnetic card reader;
The figure shows its driving circuit. In the figure, 1, 11, R 1 , R 2 , R 3 , R
4 : Resistor, RV: Current detection resistor, Vcc: Power supply voltage, TR: Switching, transformer, SW:
Control unit, CV: constant current power supply, CMP: voltage comparison circuit, SIG: abnormal signal.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 並列に多分割され磁気カードに密着された発熱
体と、一定時間スイツチングオンさせるトランジ
スタ並に電流検知用抵抗を夫々直列に接続し、前
記電流検知用抵抗に生ずる電圧値の変化を電圧比
較回路により監視するようにしてなる磁気カード
リーダ。 A voltage comparator circuit connects a heating element that is multi-divided in parallel and closely attached to a magnetic card, a transistor that is switched on for a certain period of time, and a current detection resistor in series, and detects the change in voltage value that occurs in the current detection resistor. A magnetic card reader that can be monitored by
JP1986069901U 1986-05-12 1986-05-12 Expired JPH0428774Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986069901U JPH0428774Y2 (en) 1986-05-12 1986-05-12

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986069901U JPH0428774Y2 (en) 1986-05-12 1986-05-12

Publications (2)

Publication Number Publication Date
JPS62182742U true JPS62182742U (en) 1987-11-19
JPH0428774Y2 JPH0428774Y2 (en) 1992-07-13

Family

ID=30911040

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986069901U Expired JPH0428774Y2 (en) 1986-05-12 1986-05-12

Country Status (1)

Country Link
JP (1) JPH0428774Y2 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6092876A (en) * 1983-10-27 1985-05-24 Tokyo Electric Co Ltd Thermal printer
JPS60159662A (en) * 1984-01-31 1985-08-21 Tokyo Electric Co Ltd Apparatus for detecting fault of heat generating body in thermal head

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6092876A (en) * 1983-10-27 1985-05-24 Tokyo Electric Co Ltd Thermal printer
JPS60159662A (en) * 1984-01-31 1985-08-21 Tokyo Electric Co Ltd Apparatus for detecting fault of heat generating body in thermal head

Also Published As

Publication number Publication date
JPH0428774Y2 (en) 1992-07-13

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